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\u3002\u6709\u6548\u7684\u7f13\u5b58\u9a8c\u8bc1\u673a\u5236\u5bf9\u4e8e\u4ee3\u7406\u670d\u52a1\u5668\u7684\u5b9e\u7528\u6027\u81f3\u5173\u91cd\u8981&#xff0c;\u56e0\u4e3a\u6ca1\u6709\u5b83\u4eec&#xff0c;\u63d0\u4f9b\u8fc7\u65f6\u5185\u5bb9\u7684\u98ce\u9669\u4f1a\u62b5\u6d88\u6027\u80fd\u4f18\u52bf\u3002 \u00a0<\/p>\n<p>cache_miss_revalidate\u7684\u8bbe\u7f6e\u7a81\u51fa\u4e86\u4e00\u4e2a\u6743\u8861&#xff1a;on\u4f18\u5148\u8003\u8651\u5373\u65f6\u5ba2\u6237\u7aef\u54cd\u5e94&#xff08;\u5373\u4f7f\u4e0d\u53ef\u7f13\u5b58&#xff09;&#xff0c;\u800coff\u5219\u4f18\u5148\u586b\u5145\u7f13\u5b58&#xff0c;\u8fd9\u5728\u521d\u59cb\u90e8\u7f72\u6216\u7f13\u5b58\u6e05\u7a7a\u540e\u5f88\u6709\u76ca\u3002\u8fd9\u610f\u5473\u7740\u7ba1\u7406\u5458\u5fc5\u987b\u6839\u636e\u5185\u5bb9\u52a8\u6001\u6027\u548c\u7f51\u7edc\u6761\u4ef6\u4ed4\u7ec6\u8c03\u6574\u9a8c\u8bc1\u7b56\u7565\u3002<\/p>\n<h5>\u7f13\u5b58\u66ff\u6362\u7b56\u7565<\/h5>\n<p>\u5f53Squid\u7684\u78c1\u76d8\u7f13\u5b58\u7a7a\u95f4\u4e0d\u8db3\u65f6&#xff0c;\u5b83\u9700\u8981\u51b3\u5b9a\u9a71\u9010&#xff08;\u66ff\u6362&#xff09;\u54ea\u4e9b\u73b0\u6709\u5bf9\u8c61\u4ee5\u4e3a\u65b0\u5bf9\u8c61\u817e\u51fa\u7a7a\u95f4\u3002\u8fd9\u4e00\u51b3\u7b56\u7531\u7f13\u5b58\u66ff\u6362\u7b56\u7565\u63a7\u5236 \u3002Squid\u63d0\u4f9b\u4e86\u591a\u79cd\u7b56\u7565\u4ee5\u9002\u5e94\u4e0d\u540c\u7684\u6027\u80fd\u4f18\u5316\u76ee\u6807&#xff1a; \u00a0<\/p>\n<ul>\n<li>\n<p>LRU (Least Recently Used&#xff0c;\u6700\u8fd1\u6700\u5c11\u4f7f\u7528)&#xff1a; \u8fd9\u662fSquid\u7684\u539f\u59cb\u57fa\u4e8e\u5217\u8868\u7684LRU\u7b56\u7565&#xff0c;\u4ee5\u53ca\u540e\u6765\u5b9e\u73b0\u7684\u57fa\u4e8e\u5806\u7684LRU\u7b56\u7565 \u3002\u5b83\u503e\u5411\u4e8e\u4fdd\u7559\u6700\u8fd1\u88ab\u8bbf\u95ee\u8fc7\u7684\u5bf9\u8c61&#xff0c;\u8ba4\u4e3a\u8fd9\u4e9b\u5bf9\u8c61\u5728\u672a\u6765\u88ab\u518d\u6b21\u8bf7\u6c42\u7684\u53ef\u80fd\u6027\u66f4\u5927\u3002 \u00a0<\/p>\n<\/li>\n<li>\n<p>GDSF (Greedy-Dual Size Frequency&#xff0c;\u8d2a\u5a6a\u53cc\u5c3a\u5bf8\u9891\u7387)&#xff1a; \u8fd9\u79cd\u7b56\u7565\u901a\u8fc7\u4f18\u5148\u4fdd\u7559\u8f83\u5c0f\u4e14\u70ed\u95e8\u7684\u5bf9\u8c61\u6765\u4f18\u5316\u5bf9\u8c61\u547d\u4e2d\u7387 \u3002\u5b83\u7684\u76ee\u6807\u662f\u6700\u5927\u5316\u7f13\u5b58\u80fd\u591f\u6ee1\u8db3\u7684\u72ec\u7acb\u8bf7\u6c42\u6570\u91cf\u3002\u7136\u800c&#xff0c;\u7531\u4e8e\u5b83\u53ef\u80fd\u4f1a\u9a71\u9010\u8f83\u5927&#xff08;\u5373\u4f7f\u53ef\u80fd\u70ed\u95e8&#xff09;\u7684\u5bf9\u8c61&#xff0c;\u56e0\u6b64\u53ef\u80fd\u5bfc\u81f4\u8f83\u4f4e\u7684\u5b57\u8282\u547d\u4e2d\u7387&#xff08;\u5373\u4ece\u7f13\u5b58\u4e2d\u63d0\u4f9b\u7684\u603b\u6570\u636e\u91cf\u8f83\u5c11&#xff09; \u3002 \u00a0<\/p>\n<\/li>\n<li>\n<p>LFUDA (Least Frequently Used with Dynamic Aging&#xff0c;\u5e26\u52a8\u6001\u8001\u5316\u529f\u80fd\u7684\u6700\u8fd1\u6700\u4e0d\u5e38\u7528)&#xff1a; LFUDA\u7b56\u7565\u65e8\u5728\u65e0\u8bba\u5bf9\u8c61\u5927\u5c0f\u5982\u4f55&#xff0c;\u90fd\u4fdd\u7559\u90a3\u4e9b\u6700\u70ed\u95e8\u7684\u5bf9\u8c61&#xff0c;\u4ece\u800c\u4f18\u5316\u5b57\u8282\u547d\u4e2d\u7387 \u3002\u8fd9\u610f\u5473\u7740\u5b83\u4f1a\u4f18\u5148\u7f13\u5b58\u90a3\u4e9b\u88ab\u9891\u7e41\u8bbf\u95ee\u7684\u5927\u6587\u4ef6\u3002\u4f46\u8fd9\u79cd\u7b56\u7565\u53ef\u80fd\u5bfc\u81f4\u8f83\u4f4e\u7684\u5bf9\u8c61\u547d\u4e2d\u7387&#xff0c;\u56e0\u4e3a\u4e00\u4e2a\u5927\u578b\u70ed\u95e8\u5bf9\u8c61\u53ef\u80fd\u4f1a\u5360\u636e\u5927\u91cf\u7f13\u5b58\u7a7a\u95f4&#xff0c;\u4ece\u800c\u963b\u6b62\u8bb8\u591a\u8f83\u5c0f\u4f46\u540c\u6837\u70ed\u95e8\u7684\u5bf9\u8c61\u88ab\u7f13\u5b58 \u3002 \u00a0<\/p>\n<\/li>\n<\/ul>\n<p>GDSF\u548cLFUDA\u7b56\u7565\u90fd\u91c7\u7528\u4e86\u52a8\u6001\u8001\u5316\u673a\u5236&#xff0c;\u8fd9\u6709\u52a9\u4e8e\u9632\u6b62\u7f13\u5b58\u6c61\u67d3&#xff0c;\u5373\u7f13\u5b58\u4e2d\u5145\u65a5\u7740\u4e0d\u518d\u6709\u7528\u6216\u4e0d\u518d\u53d7\u6b22\u8fce\u7684\u5bf9\u8c61 \u3002\u503c\u5f97\u6ce8\u610f\u7684\u662f&#xff0c;\u5982\u679c\u4f7f\u7528LFUDA\u66ff\u6362\u7b56\u7565&#xff0c;\u5efa\u8bae\u5c06maximum_object_size\u7684\u503c\u589e\u52a0\u5230\u9ad8\u4e8e\u5176\u9ed8\u8ba4\u503c4 MB&#xff0c;\u4ee5\u6700\u5927\u9650\u5ea6\u5730\u63d0\u9ad8\u5b57\u8282\u547d\u4e2d\u7387\u7684\u6f5c\u5728\u6539\u8fdb \u3002 \u00a0<\/p>\n<p>\u9009\u62e9\u5408\u9002\u7684\u7f13\u5b58\u66ff\u6362\u7b56\u7565\u662f\u4e00\u4e2a\u6218\u7565\u6027\u51b3\u7b56&#xff0c;\u76f4\u63a5\u5f71\u54cd\u4e0d\u540c\u6027\u80fd\u6307\u6807\u3002\u6ca1\u6709\u5355\u4e00\u7684\u201c\u6700\u4f73\u201d\u7f13\u5b58\u66ff\u6362\u7b56\u7565&#xff1b;\u6700\u4f73\u9009\u62e9\u53d6\u51b3\u4e8e\u7279\u5b9a\u7f51\u7edc\u7684\u6d41\u91cf\u6a21\u5f0f\u548c\u6027\u80fd\u76ee\u6807\u3002\u4f8b\u5982&#xff0c;\u4e00\u4e2a\u5904\u7406\u8bb8\u591a\u5c0f\u578b\u3001\u9891\u7e41\u8bbf\u95ee\u6587\u4ef6\u7684\u7f51\u7edc\u53ef\u80fd\u66f4\u503e\u5411\u4e8eGDSF&#xff0c;\u56e0\u4e3a\u5b83\u80fd\u6700\u5927\u5316\u72ec\u7acb\u8bf7\u6c42\u7684\u547d\u4e2d\u7387\u3002\u800c\u4e00\u4e2a\u5904\u7406\u5927\u578b\u5a92\u4f53\u6587\u4ef6&#xff08;\u5982\u89c6\u9891\u6d41&#xff09;\u7684\u7f51\u7edc\u53ef\u80fd\u4eceLFUDA\u4e2d\u53d7\u76ca\u66f4\u591a&#xff0c;\u56e0\u4e3a\u5b83\u80fd\u6700\u5927\u5316\u4ece\u7f13\u5b58\u4e2d\u63d0\u4f9b\u7684\u603b\u6570\u636e\u91cf\u3002\u8fd9\u8981\u6c42\u7ba1\u7406\u5458\u6df1\u5165\u7406\u89e3\u5176\u6d41\u91cf\u7279\u5f81&#xff0c;\u5e76\u5c06\u5176\u4e0e\u7b56\u7565\u7684\u4f18\u5316\u76ee\u6807\u5bf9\u9f50&#xff0c;\u4ece\u800c\u505a\u51fa\u6700\u7b26\u5408\u5176\u7f51\u7edc\u9700\u6c42\u7684\u914d\u7f6e\u3002<\/p>\n<p>\u4e0b\u8868\u603b\u7ed3\u4e86\u8fd9\u4e9b\u5e38\u89c1\u7684\u7f13\u5b58\u66ff\u6362\u7b56\u7565&#xff1a;<\/p>\n<p>\u88681&#xff1a;\u5e38\u89c1\u7f13\u5b58\u66ff\u6362\u7b56\u7565\u5bf9\u6bd4<\/p>\n<table>\n<tr>\n<td>\n<p>\u7b56\u7565\u540d\u79f0<\/p>\n<\/td>\n<td>\n<p>\u4e3b\u8981\u4f18\u5316\u76ee\u6807<\/p>\n<\/td>\n<td>\n<p>\u673a\u5236<\/p>\n<\/td>\n<td>\n<p>\u4f18\u70b9<\/p>\n<\/td>\n<td>\n<p>\u7f3a\u70b9<\/p>\n<\/td>\n<td>\n<p>\u63a8\u8350\u4f7f\u7528\u573a\u666f<\/p>\n<\/td>\n<\/tr>\n<tbody>\n<tr>\n<td>\n<p>LRU<\/p>\n<\/td>\n<td>\n<p>\u5bf9\u8c61\u8fd1\u671f\u6027<\/p>\n<\/td>\n<td>\n<p>\u4fdd\u7559\u6700\u8fd1\u8bbf\u95ee\u5bf9\u8c61<\/p>\n<\/td>\n<td>\n<p>\u5b9e\u73b0\u7b80\u5355&#xff0c;\u5bf9\u8fd1\u671f\u8bbf\u95ee\u6a21\u5f0f\u6709\u6548<\/p>\n<\/td>\n<td>\n<p>\u4e0d\u8003\u8651\u5bf9\u8c61\u5927\u5c0f\u6216\u9891\u7387&#xff0c;\u53ef\u80fd\u7f13\u5b58\u4e0d\u518d\u70ed\u95e8\u7684\u5927\u5bf9\u8c61<\/p>\n<\/td>\n<td>\n<p>\u9002\u7528\u4e8e\u5185\u5bb9\u53d8\u5316\u8f83\u5feb&#xff0c;\u6216\u8fd1\u671f\u8bbf\u95ee\u6a21\u5f0f\u663e\u8457\u7684\u7f51\u7edc<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>GDSF<\/p>\n<\/td>\n<td>\n<p>\u5bf9\u8c61\u547d\u4e2d\u7387<\/p>\n<\/td>\n<td>\n<p>\u4fdd\u7559\u8f83\u5c0f\u3001\u70ed\u95e8\u5bf9\u8c61<\/p>\n<\/td>\n<td>\n<p>\u6700\u5927\u5316\u7f13\u5b58\u6ee1\u8db3\u7684\u8bf7\u6c42\u6570\u91cf<\/p>\n<\/td>\n<td>\n<p>\u5b57\u8282\u547d\u4e2d\u7387\u53ef\u80fd\u8f83\u4f4e&#xff0c;\u53ef\u80fd\u9a71\u9010\u70ed\u95e8\u4f46\u8f83\u5927\u7684\u5bf9\u8c61<\/p>\n<\/td>\n<td>\n<p>\u9002\u7528\u4e8e\u6709\u5927\u91cf\u5c0f\u6587\u4ef6\u8bf7\u6c42&#xff0c;\u8ffd\u6c42\u9ad8\u8bf7\u6c42\u547d\u4e2d\u7387\u7684\u7f51\u7edc<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>LFUDA<\/p>\n<\/td>\n<td>\n<p>\u5b57\u8282\u547d\u4e2d\u7387<\/p>\n<\/td>\n<td>\n<p>\u4fdd\u7559\u70ed\u95e8\u5bf9\u8c61&#xff08;\u4e0d\u9650\u5927\u5c0f&#xff09;<\/p>\n<\/td>\n<td>\n<p>\u6700\u5927\u5316\u4ece\u7f13\u5b58\u63d0\u4f9b\u7684\u603b\u6570\u636e\u91cf<\/p>\n<\/td>\n<td>\n<p>\u5bf9\u8c61\u547d\u4e2d\u7387\u53ef\u80fd\u8f83\u4f4e&#xff0c;\u5927\u5bf9\u8c61\u53ef\u80fd\u5360\u7528\u8fc7\u591a\u7f13\u5b58\u7a7a\u95f4<\/p>\n<\/td>\n<td>\n<p>\u9002\u7528\u4e8e\u6709\u5927\u91cf\u5927\u6587\u4ef6\u8bf7\u6c42&#xff08;\u5982\u6d41\u5a92\u4f53&#xff09;&#xff0c;\u8ffd\u6c42\u9ad8\u5e26\u5bbd\u8282\u7701\u7684\u7f51\u7edc<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>\u652f\u6301\u7684\u534f\u8bae<\/h4>\n<p>Squid\u4e3b\u8981\u4f5c\u4e3aHTTP\u8fde\u63a5\u7684\u4ee3\u7406\u7f13\u5b58 \u3002\u5b83\u88ab\u8bbe\u8ba1\u4e3a\u9ad8\u6548\u5904\u7406Web\u6d41\u91cf&#xff0c;\u56e0\u6b64\u5bf9HTTP\u534f\u8bae\u7684\u652f\u6301\u6700\u4e3a\u5168\u9762\u548c\u4f18\u5316\u3002 \u00a0<\/p>\n<p>\u9664\u4e86HTTP&#xff0c;Squid\u8fd8\u652f\u6301\u4ee5\u4e0b\u534f\u8bae&#xff1a;<\/p>\n<ul>\n<li>\n<p>FTP (\u6587\u4ef6\u4f20\u8f93\u534f\u8bae)&#xff1a; \u5141\u8bb8\u4ee3\u7406\u548c\u7f13\u5b58FTP\u6d41\u91cf \u3002 \u00a0<\/p>\n<\/li>\n<li>\n<p>Gopher&#xff1a; \u4e00\u79cd\u65e9\u671f\u7684\u5206\u5e03\u5f0f\u6587\u6863\u68c0\u7d22\u534f\u8bae&#xff0c;Squid\u4e5f\u5bf9\u5176\u63d0\u4f9b\u652f\u6301 \u3002 \u00a0<\/p>\n<\/li>\n<li>\n<p>SSL\/TLS (\u5b89\u5168\u5957\u63a5\u5b57\u5c42\/\u4f20\u8f93\u5c42\u5b89\u5168)&#xff1a; Squid\u652f\u6301SSL\u548cTLS\u534f\u8bae&#xff0c;\u53ef\u4ee5\u4ee3\u7406HTTPS\u6d41\u91cf \u3002 \u00a0<\/p>\n<\/li>\n<\/ul>\n<p>\u7136\u800c&#xff0c;Squid\u5e76\u975e\u4e00\u4e2a\u901a\u7528\u7684\u4ee3\u7406\u670d\u52a1\u5668&#xff0c;\u5176\u534f\u8bae\u7126\u70b9\u51b3\u5b9a\u4e86\u5176\u5b9a\u4f4d\u548c\u5c40\u9650\u6027\u3002\u5b83\u4e0d\u652f\u6301\u5176\u4ed6\u591a\u79cd\u4e92\u8054\u7f51\u534f\u8bae&#xff0c;\u4f8b\u5982\u65b0\u95fb\u534f\u8bae&#xff08;NNTP&#xff09;\u3001Real Audio\u6d41\u5a92\u4f53\u534f\u8bae\u6216\u89c6\u9891\u4f1a\u8bae\u534f\u8bae&#xff08;\u9664\u975e\u8fd9\u4e9b\u534f\u8bae\u7684\u6d41\u91cf\u88ab\u5c01\u88c5\u5728HTTP\/HTTPS\u6d41\u4e2d&#xff09; \u3002\u6b64\u5916&#xff0c;\u7531\u4e8eSquid\u4e3b\u8981\u901a\u8fc7UDP\u534f\u8bae\u5728\u4e0d\u540c\u7f13\u5b58\u4e4b\u95f4\u8fdb\u884c\u901a\u4fe1&#xff0c;\u5b83\u5bf9\u8bb8\u591a\u901a\u7528\u7684\u57fa\u4e8eUDP\u7684\u591a\u5a92\u4f53\u7a0b\u5e8f\u4e5f\u7f3a\u4e4f\u652f\u6301 \u3002\u8fd9\u610f\u5473\u7740&#xff0c;\u5c3d\u7ba1Squid\u5bf9\u4e8eWeb&#xff08;HTTP\/HTTPS&#xff09;\u548cFTP\u6d41\u91cf\u975e\u5e38\u5f3a\u5927&#xff0c;\u4f46\u5b83\u4e0d\u662f\u4e00\u4e2a\u201c\u901a\u7528\u201d\u6216\u201c\u4e07\u80fd\u201d\u4ee3\u7406\u3002\u5bf9\u4e8e\u9700\u8981\u4ee3\u7406\u66f4\u5e7f\u6cdb\u534f\u8bae&#xff08;\u4f8b\u5982&#xff0c;\u7279\u5b9aVoIP\u3001\u975eHTTP\u5c01\u88c5\u7684\u6d41\u5a92\u4f53\u534f\u8bae\u6216P2P&#xff09;\u7684\u7ec4\u7ec7&#xff0c;Squid\u53ef\u80fd\u4e0d\u8db3\u4ee5\u6ee1\u8db3\u9700\u6c42&#xff0c;\u9700\u8981\u8865\u5145\u89e3\u51b3\u65b9\u6848\u6216\u66ff\u4ee3\u4ee3\u7406\u6280\u672f\u3002\u8fd9\u660e\u786e\u4e86Squid\u5728\u66f4\u5e7f\u6cdb\u7f51\u7edc\u67b6\u6784\u4e2d\u7684\u5b9a\u4f4d\u3002 \u00a0<\/p>\n<p>\u4e0b\u8868\u5217\u51fa\u4e86Squid\u652f\u6301\u7684\u534f\u8bae\u53ca\u5176\u5e94\u7528\u573a\u666f&#xff1a;<\/p>\n<p>\u88682&#xff1a;Squid\u652f\u6301\u7684\u534f\u8bae\u53ca\u5176\u5e94\u7528\u573a\u666f<\/p>\n<table>\n<tr>\n<td>\n<p>\u534f\u8bae<\/p>\n<\/td>\n<td>\n<p>\u652f\u6301\u7ea7\u522b<\/p>\n<\/td>\n<td>\n<p>\u4e3b\u8981\u7528\u4f8b<\/p>\n<\/td>\n<td>\n<p>\u6ce8\u610f\u4e8b\u9879\/\u9650\u5236<\/p>\n<\/td>\n<\/tr>\n<tbody>\n<tr>\n<td>\n<p>HTTP<\/p>\n<\/td>\n<td>\n<p>\u5b8c\u5168\u652f\u6301<\/p>\n<\/td>\n<td>\n<p>Web\u6d4f\u89c8\u52a0\u901f\u3001\u5185\u5bb9\u8fc7\u6ee4\u3001\u8bbf\u95ee\u63a7\u5236<\/p>\n<\/td>\n<td>\n<p>Squid\u7684\u6838\u5fc3\u529f\u80fd\u5728\u6b64\u534f\u8bae\u4e0a\u6700\u4f18\u5316<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>FTP<\/p>\n<\/td>\n<td>\n<p>\u5b8c\u5168\u652f\u6301<\/p>\n<\/td>\n<td>\n<p>FTP\u6587\u4ef6\u4e0b\u8f7d\/\u4e0a\u4f20\u4ee3\u7406\u4e0e\u7f13\u5b58<\/p>\n<\/td>\n<td>\n<p>&#8211;<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>Gopher<\/p>\n<\/td>\n<td>\n<p>\u6709\u9650\u652f\u6301<\/p>\n<\/td>\n<td>\n<p>\u8bbf\u95eeGopher\u534f\u8bae\u5185\u5bb9&#xff08;\u5386\u53f2\u6027\u534f\u8bae&#xff09;<\/p>\n<\/td>\n<td>\n<p>\u5728Squid-6\u4e4b\u540e\u4e0d\u518d\u652f\u6301 \u00a0<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>SSL\/TLS<\/p>\n<\/td>\n<td>\n<p>\u6709\u9650\u652f\u6301<\/p>\n<\/td>\n<td>\n<p>HTTPS\u6d41\u91cf\u4ee3\u7406\u3001SSL Bump&#xff08;\u9700\u989d\u5916\u914d\u7f6e&#xff09;<\/p>\n<\/td>\n<td>\n<p>\u9ed8\u8ba4\u4ee5CONNECT\u96a7\u9053\u5f62\u5f0f\u8f6c\u53d1&#xff0c;\u5185\u5bb9\u4e0d\u53ef\u89c1&#xff1b;SSL Bump\u53ef\u89e3\u5bc6\u4f46\u6709\u5b89\u5168\u548c\u9053\u5fb7\u8003\u91cf \u00a0<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>\u5176\u4ed6&#xff08;\u5982SNMP, ICP, HTCP&#xff09;<\/p>\n<\/td>\n<td>\n<p>\u652f\u6301<\/p>\n<\/td>\n<td>\n<p>\u7f13\u5b58\u534f\u540c\u3001\u7f51\u7edc\u7ba1\u7406<\/p>\n<\/td>\n<td>\n<p>\u4e3b\u8981\u7528\u4e8e\u5185\u90e8\u7ba1\u7406\u548c\u7f13\u5b58\u5c42\u6b21\u7ed3\u6784 \u00a0<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>\u65b0\u95fb\u534f\u8bae (NNTP)<\/p>\n<\/td>\n<td>\n<p>\u4e0d\u652f\u6301<\/p>\n<\/td>\n<td>\n<p>&#8211;<\/p>\n<\/td>\n<td>\n<p>Squid\u4e0d\u652f\u6301\u6b64\u534f\u8bae \u00a0<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>Real Audio\/\u89c6\u9891\u4f1a\u8bae\u534f\u8bae<\/p>\n<\/td>\n<td>\n<p>\u4e0d\u652f\u6301<\/p>\n<\/td>\n<td>\n<p>&#8211;<\/p>\n<\/td>\n<td>\n<p>\u9664\u975e\u5c01\u88c5\u5728HTTP\/HTTPS\u4e2d&#xff0c;\u5426\u5219\u4e0d\u652f\u6301 \u00a0<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>\u901a\u7528UDP\u591a\u5a92\u4f53\u7a0b\u5e8f<\/p>\n<\/td>\n<td>\n<p>\u4e0d\u652f\u6301<\/p>\n<\/td>\n<td>\n<p>&#8211;<\/p>\n<\/td>\n<td>\n<p>Squid\u4e3b\u8981\u901a\u8fc7UDP\u8fdb\u884c\u7f13\u5b58\u95f4\u901a\u4fe1&#xff0c;\u4f46\u4e0d\u652f\u6301\u901a\u7528\u591a\u5a92\u4f53UDP\u6d41 \u00a0<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>\u8bbf\u95ee\u63a7\u5236\u5217\u8868 (ACLs)<\/h4>\n<p>Squid\u7684\u8bbf\u95ee\u63a7\u5236\u65b9\u6848\u975e\u5e38\u5168\u9762\u4e14\u7075\u6d3b&#xff0c;\u5141\u8bb8\u7f51\u7edc\u7ba1\u7406\u5458\u5bf9\u4ee3\u7406\u7684\u4f7f\u7528\u8fdb\u884c\u7ec6\u7c92\u5ea6\u63a7\u5236 \u3002\u5b83\u4e3b\u8981\u5305\u542b\u4e24\u4e2a\u6838\u5fc3\u7ec4\u6210\u90e8\u5206&#xff1a;ACL\u5143\u7d20\u548c\u8bbf\u95ee\u5217\u8868 \u3002 \u00a0<\/p>\n<ul>\n<li>\n<p>ACL\u5143\u7d20&#xff1a; \u8fd9\u4e9b\u662f\u5728\u52a0\u8f7d\u914d\u7f6e\u6587\u4ef6\u65f6\u88abSquid\u5904\u7406\u4e3a\u5185\u5b58\u4e2d\u7684\u6d4b\u8bd5\u6761\u4ef6 \u3002\u5b83\u4eec\u672c\u8eab\u4e0d\u6267\u884c\u4efb\u4f55\u64cd\u4f5c&#xff0c;\u53ea\u662f\u5b9a\u4e49\u4e86\u53ef\u4ee5\u5bf9\u8bf7\u6c42\u4e8b\u52a1\u6267\u884c\u7684\u5404\u79cd\u6d4b\u8bd5&#xff0c;\u4f8b\u5982\u68c0\u67e5\u6e90IP\u5730\u5740\u3001\u76ee\u6807URL\u3001\u8bf7\u6c42\u65f6\u95f4\u3001HTTP\u5934\u5b57\u6bb5\u6216\u7528\u6237\u8eab\u4efd\u7b49 \u3002 \u00a0<\/p>\n<\/li>\n<li>\n<p>\u8bbf\u95ee\u5217\u8868&#xff1a; \u4e00\u4e2a\u8bbf\u95ee\u5217\u8868\u7531\u4e00\u4e2aallow&#xff08;\u5141\u8bb8&#xff09;\u6216deny&#xff08;\u62d2\u7edd&#xff09;\u52a8\u4f5c&#xff0c;\u540e\u8ddf\u4e00\u4e2a\u6216\u591a\u4e2aACL\u5143\u7d20\u7ec4\u6210 \u3002\u8fd9\u4e9b\u89c4\u5219\u6309\u7167\u5176\u5728squid.conf\u914d\u7f6e\u6587\u4ef6\u4e2d\u51fa\u73b0\u7684\u987a\u5e8f\u8fdb\u884c\u68c0\u67e5 \u3002\u4e00\u65e6\u8bf7\u6c42\u5339\u914d\u5230\u5217\u8868\u4e2d\u7684\u7b2c\u4e00\u4e2a\u89c4\u5219&#xff0c;\u5217\u8868\u641c\u7d22\u5c31\u4f1a\u7acb\u5373\u7ec8\u6b62&#xff0c;\u5e76\u6267\u884c\u8be5\u89c4\u5219\u5b9a\u4e49\u7684\u52a8\u4f5c \u3002\u5982\u679c\u4e00\u4e2a\u89c4\u5219\u5305\u542b\u591a\u4e2aACL\u5143\u7d20&#xff0c;\u5b83\u4eec\u4e4b\u95f4\u91c7\u7528AND\u903b\u8f91&#xff0c;\u8fd9\u610f\u5473\u7740\u53ea\u6709\u5f53\u8be5\u89c4\u5219\u4e2d\u7684\u6240\u6709ACL\u5143\u7d20\u90fd\u5339\u914d\u65f6&#xff0c;\u6574\u4e2a\u89c4\u5219\u624d\u4f1a\u88ab\u89c6\u4e3a\u5339\u914d \u3002\u76f8\u53cd&#xff0c;\u5982\u679c\u4e00\u4e2aACL\u5143\u7d20\u5b9a\u4e49\u4e86\u591a\u4e2a\u503c&#xff08;\u4f8b\u5982&#xff0c;\u4e00\u4e2aACL\u540d\u79f0\u4e0b\u6709\u591a\u4e2aIP\u5730\u5740&#xff09;&#xff0c;\u5219\u8fd9\u4e9b\u503c\u4e4b\u95f4\u91c7\u7528OR\u903b\u8f91&#xff0c;\u5373\u53ea\u8981\u5176\u4e2d\u4efb\u4f55\u4e00\u4e2a\u503c\u5339\u914d&#xff0c;\u8be5ACL\u5143\u7d20\u5c31\u88ab\u89c6\u4e3a\u5339\u914d \u3002 \u00a0<\/p>\n<\/li>\n<\/ul>\n<p>ACL\u987a\u5e8f\u5728Squid\u7684\u5b89\u5168\u6001\u52bf\u4e2d\u5177\u6709\u5173\u952e\u6027\u3002\u914d\u7f6e\u6587\u4ef6\u7684\u5904\u7406\u987a\u5e8f\u81f3\u5173\u91cd\u8981&#xff0c;\u56e0\u4e3a\u89c4\u5219\u662f\u6309\u987a\u5e8f\u8bc4\u4f30\u7684&#xff0c;\u5e76\u4e14\u7b2c\u4e00\u4e2a\u5339\u914d\u7684\u89c4\u5219\u5c06\u51b3\u5b9a\u8bf7\u6c42\u7684\u5904\u7406\u65b9\u5f0f \u3002\u4f8b\u5982&#xff0c;http_access\u6307\u4ee4\u7684\u987a\u5e8f\u76f4\u63a5\u5f71\u54cd\u6b63\u5411\u4ee3\u7406\u548c\u53cd\u5411\u4ee3\u7406\u7f51\u7ad9\u8bbf\u95ee\u8005\u662f\u5426\u80fd\u591f\u8bbf\u95ee\u7f51\u7ad9&#xff0c;\u4ee5\u53ca\u7f51\u7ad9\u662f\u5426\u80fd\u591f\u6267\u884cHTTPS\u3001AJAX\u3001JSON\u6216\u5176\u4ed6\u9ad8\u7ea7Web\u64cd\u4f5c \u3002\u9519\u8bef\u914d\u7f6eACL\u987a\u5e8f\u662f\u5e38\u89c1\u7684\u914d\u7f6e\u9519\u8bef\u548c\u5b89\u5168\u6f0f\u6d1e\u6765\u6e90\u3002\u4e00\u4e2a\u8fc7\u4e8e\u5bbd\u677e\u7684\u89c4\u5219\u5982\u679c\u653e\u7f6e\u5728\u5217\u8868\u9760\u524d\u7684\u4f4d\u7f6e&#xff0c;\u53ef\u80fd\u4f1a\u65e0\u610f\u4e2d\u7ed5\u8fc7\u540e\u7eed\u66f4\u4e25\u683c\u7684\u89c4\u5219&#xff0c;\u4ece\u800c\u5bfc\u81f4\u672a\u6388\u6743\u8bbf\u95ee\u6216\u5b89\u5168\u6f0f\u6d1e\u3002\u56e0\u6b64&#xff0c;\u7ba1\u7406\u5458\u5fc5\u987b\u4ed4\u7ec6\u89c4\u5212\u548c\u6d4b\u8bd5\u5176ACL\u987a\u5e8f&#xff0c;\u4ee5\u786e\u4fdd\u6b63\u786e\u6267\u884c\u9884\u671f\u7684\u8bbf\u95ee\u7b56\u7565&#xff0c;\u8fd9\u7a81\u663e\u4e86\u4ed4\u7ec6\u914d\u7f6e\u7684\u590d\u6742\u6027\u548c\u91cd\u8981\u6027\u3002\u00a0\u00a0<\/p>\n<h5>\u7528\u6237\u8ba4\u8bc1\u673a\u5236<\/h5>\n<p>Squid\u652f\u6301\u591a\u79cd\u7528\u6237\u8ba4\u8bc1\u673a\u5236&#xff0c;\u4ee5\u9650\u5236\u5bf9\u4ee3\u7406\u670d\u52a1\u5668\u7684\u8bbf\u95ee&#xff0c;\u786e\u4fdd\u53ea\u6709\u6388\u6743\u7528\u6237\u624d\u80fd\u4f7f\u7528 \u3002\u8fd9\u4e9b\u673a\u5236\u5305\u62ec&#xff1a; \u00a0<\/p>\n<ul>\n<li>\n<p>\u57fa\u672c\u8ba4\u8bc1 (Basic Authentication)<\/p>\n<\/li>\n<li>\n<p>\u6458\u8981\u8ba4\u8bc1 (Digest Authentication)<\/p>\n<\/li>\n<li>\n<p>NTLM\u8ba4\u8bc1 (NTLM Authentication)<\/p>\n<\/li>\n<\/ul>\n<p>Squid\u7684\u8ba4\u8bc1\u8fc7\u7a0b\u901a\u5e38\u901a\u8fc7\u5916\u90e8\u7a0b\u5e8f\u6765\u5904\u7406 \u3002\u8fd9\u610f\u5473\u7740Squid\u672c\u8eab\u4e0d\u5d4c\u5165\u5b8c\u6574\u7684\u8ba4\u8bc1\u903b\u8f91&#xff0c;\u800c\u662f\u4e0e\u5916\u90e8\u8ba4\u8bc1\u8f85\u52a9\u7a0b\u5e8f\u96c6\u6210\u3002\u8fd9\u79cd\u8bbe\u8ba1\u4f7f\u5f97Squid\u80fd\u591f\u4e0e\u73b0\u6709\u7684\u4f01\u4e1a\u8ba4\u8bc1\u7cfb\u7edf&#xff08;\u4f8b\u5982&#xff0c;\u901a\u8fc7\u5916\u90e8\u8f85\u52a9\u7a0b\u5e8f\u4e0eLDAP\u6216Active Directory&#xff09;\u96c6\u6210&#xff0c;\u907f\u514d\u5728Squid\u5185\u90e8\u91cd\u590d\u7528\u6237\u6570\u636e\u5e93&#xff0c;\u4ece\u800c\u5b9e\u73b0\u4e86\u663e\u8457\u7684\u7075\u6d3b\u6027 \u3002\u8fd9\u79cd\u6a21\u5757\u5316\u8bbe\u8ba1\u589e\u5f3a\u4e86\u53ef\u4f38\u7f29\u6027\u548c\u5b89\u5168\u7ba1\u7406&#xff0c;\u5b9e\u73b0\u4e86\u7528\u6237\u51ed\u636e\u7684\u96c6\u4e2d\u7ba1\u7406\u3002 \u00a0<\/p>\n<p>\u6b64\u5916&#xff0c;Squid\u8fd8\u53ef\u4ee5\u4f7f\u7528ident\u67e5\u627e\u6765\u5141\u8bb8\u7279\u5b9a\u7528\u6237\u8bbf\u95ee\u7f13\u5b58&#xff0c;\u4f46\u8fd9\u8981\u6c42\u7528\u6237\u7684\u673a\u5668\u4e0a\u8fd0\u884cident\u670d\u52a1\u5668\u8fdb\u7a0b \u3002 \u00a0<\/p>\n<p>ident_lookup_access\u6307\u4ee4\u5219\u7528\u4e8e\u63a7\u5236Squid\u4f55\u65f6\u5bf9\u4e3b\u673a\u6267\u884cident\u67e5\u627e\u8bf7\u6c42 \u3002\u00a0\u00a0<\/p>\n<h4>\u5185\u5bb9\u8fc7\u6ee4\u4e0e\u9002\u914d<\/h4>\n<p>Squid\u4e0d\u4ec5\u662f\u4e00\u4e2a\u7f13\u5b58\u548c\u8f6c\u53d1\u4ee3\u7406&#xff0c;\u8fd8\u5177\u5907\u5f3a\u5927\u7684\u5185\u5bb9\u8fc7\u6ee4\u548c\u9002\u914d\u80fd\u529b&#xff0c;\u5141\u8bb8\u4ee3\u7406\u5206\u6790\u3001\u6355\u83b7\u3001\u963b\u6b62\u3001\u66ff\u6362\u6216\u4fee\u6539\u5176\u4ee3\u7406\u7684\u6d88\u606f \u3002\u8fd9\u4e9b\u64cd\u4f5c\u7edf\u79f0\u4e3a\u5185\u5bb9\u9002\u914d&#xff0c;\u5373\u4f7f\u67d0\u4e9b\u64cd\u4f5c\u5e76\u672a\u5b9e\u9645\u6539\u53d8\u5185\u5bb9\u3002 \u00a0<\/p>\n<p>\u5185\u5bb9\u9002\u914d\u7684\u5177\u4f53\u5e94\u7528\u5305\u62ec&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u6dfb\u52a0\u3001\u5220\u9664\u6216\u4fee\u6539HTTP\u5934\u5b57\u6bb5&#xff08;\u4f8b\u5982&#xff0c;Cookie\u4fe1\u606f&#xff09; \u3002 \u00a0<\/p>\n<\/li>\n<li>\n<p>\u57fa\u4e8e\u8bf7\u6c42URL\u963b\u6b62\u6d88\u606f \u3002 \u00a0<\/p>\n<\/li>\n<li>\n<p>\u57fa\u4e8e\u5185\u5bb9\u963b\u6b62\u6d88\u606f \u3002 \u00a0<\/p>\n<\/li>\n<li>\n<p>\u5c06\u67d0\u4e9b\u8bf7\u6c42\u91cd\u5b9a\u5411\u5230\u81ea\u5b9a\u4e49\u9875\u9762\u6216\u670d\u52a1\u5668 \u3002 \u00a0<\/p>\n<\/li>\n<li>\n<p>\u5bf9\u67d0\u4e9b\u8bf7\u6c42\u8fd4\u56de\u81ea\u5b9a\u4e49\u9875\u9762 \u3002 \u00a0<\/p>\n<\/li>\n<li>\n<p>\u4fee\u6539\u9875\u9762\u4ee5\u63d2\u5165\u65b0\u5185\u5bb9&#xff08;\u4f8b\u5982&#xff0c;\u8b66\u544a\u4fe1\u606f\u6216\u5e7f\u544a&#xff09; \u3002 \u00a0<\/p>\n<\/li>\n<\/ul>\n<h5>ICAP (Internet Content Adaptation Protocol)\u4e0eeCAP<\/h5>\n<p>\u4e3a\u4e86\u5b9e\u73b0\u66f4\u590d\u6742\u7684\u5185\u5bb9\u9002\u914d&#xff0c;Squid\u652f\u6301\u4e0e\u5916\u90e8\u670d\u52a1\u96c6\u6210&#xff0c;\u4e3b\u8981\u901a\u8fc7ICAP\u548ceCAP\u534f\u8bae&#xff1a;<\/p>\n<ul>\n<li>\n<p>ICAP (Internet Content Adaptation Protocol)&#xff1a; \u6839\u636eRFC 3507\u7684\u89c4\u5b9a&#xff0c;ICAP\u5141\u8bb8HTTP\u4ee3\u7406&#xff08;\u4f5c\u4e3aICAP\u5ba2\u6237\u7aef&#xff09;\u5c06\u5185\u5bb9\u9002\u914d\u4efb\u52a1\u5916\u5305\u7ed9\u5916\u90e8\u7684ICAP\u670d\u52a1\u5668 \u3002\u8fd9\u610f\u5473\u7740\u5b9e\u9645\u7684\u9002\u914d\u7b97\u6cd5\u548c\u903b\u8f91\u9a7b\u7559\u5728\u72ec\u7acb\u7684\u670d\u52a1\u5668\u4e0a\u3002 \u00a0<\/p>\n<ul>\n<li>\n<p>\u4f18\u70b9&#xff1a; ICAP\u7684\u4f18\u52bf\u5728\u4e8e\u5176\u4ee3\u7406\u72ec\u7acb\u6027&#xff0c;\u9002\u914d\u903b\u8f91\u53ef\u4ee5\u72ec\u7acb\u4e8eSquid\u8fd0\u884c&#xff0c;\u5e76\u4e14\u9002\u914dAPI\u4e13\u6ce8\u4e8e\u5185\u5bb9\u9002\u914d\u672c\u8eab\u3002\u5b83\u901a\u5e38\u65e0\u9700\u4fee\u6539Squid\u7684\u6838\u5fc3\u4ee3\u7801\u5373\u53ef\u5b9e\u73b0\u5927\u591a\u6570\u9002\u914d\u529f\u80fd&#xff0c;\u652f\u6301\u8fdc\u7a0b\u9002\u914d\u670d\u52a1\u5668&#xff0c;\u5e76\u4e14\u5177\u6709\u826f\u597d\u7684\u53ef\u4f38\u7f29\u6027 \u3002 \u00a0<\/p>\n<\/li>\n<li>\n<p>\u7f3a\u70b9&#xff1a; ICAP\u7684\u4e3b\u8981\u7f3a\u70b9\u662f\u4f1a\u5f15\u5165\u989d\u5916\u7684\u901a\u4fe1\u5ef6\u8fdf&#xff0c;\u534f\u8bae\u529f\u80fd\u5b58\u5728\u4e00\u5b9a\u9650\u5236&#xff0c;\u5e76\u4e14\u9700\u8981\u90e8\u7f72\u72ec\u7acb\u7684ICAP\u670d\u52a1\u5668\u8fdb\u7a0b\u6216\u8bbe\u5907 \u3002 \u00a0<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>eCAP&#xff1a; eCAP\u670d\u52a1\u7c7b\u4f3c\u4e8e\u5d4c\u5165\u5728Squid\u5185\u90e8\u7684ICAP\u670d\u52a1 \u3002\u5b83\u63d0\u4f9b\u4e86\u4e00\u4e2a\u63a5\u53e3&#xff0c;\u5141\u8bb8Squid\u548c\u5176\u4ed6\u670d\u52a1\u5668\u4f7f\u7528\u52a8\u6001\u6216\u9759\u6001\u52a0\u8f7d\u5230\u5bbf\u4e3b\u5e94\u7528\u7a0b\u5e8f\u4e2d\u7684\u5d4c\u5165\u5f0f\u9002\u914d\u6a21\u5757 \u3002 \u00a0<\/p>\n<ul>\n<li>\n<p>\u4f18\u70b9&#xff1a; eCAP\u7684\u4f18\u52bf\u5728\u4e8e\u5176\u901f\u5ea6\u66f4\u5feb&#xff0c;\u4e0eSquid\u96c6\u6210\u5ea6\u66f4\u9ad8&#xff0c;\u5e76\u4e14\u540c\u6837\u63d0\u4f9b\u4e13\u6ce8\u4e8e\u9002\u914d\u7684API&#xff0c;\u901a\u5e38\u4e5f\u65e0\u9700\u4fee\u6539Squid\u4ee3\u7801 \u3002 \u00a0<\/p>\n<\/li>\n<li>\n<p>\u7f3a\u70b9&#xff1a; eCAP\u7684\u4e3b\u8981\u7f3a\u70b9\u662f\u5b83\u5728\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u4f9d\u8d56\u4e8eSquid\u7684\u5b89\u88c5\u73af\u5883&#xff08;\u81f3\u5c11\u5728\u521d\u671f&#xff09;&#xff0c;\u5e76\u4e14\u4eceSquid 3.1\u7248\u672c\u5f00\u59cb\u624d\u63d0\u4f9b\u521d\u6b65\u652f\u6301 \u3002 \u00a0<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>\u5728\u5185\u5bb9\u9002\u914d\u4e2d&#xff0c;\u7ec4\u7ec7\u9762\u4e34\u7740\u96c6\u6210\u6df1\u5ea6\u4e0e\u67b6\u6784\u7075\u6d3b\u6027\u4e4b\u95f4\u7684\u6743\u8861\u3002ICAP\u63d0\u4f9b\u4e86\u201c\u4ee3\u7406\u72ec\u7acb\u201d\u7684\u9002\u914d&#xff0c;\u4f46\u5f15\u5165\u4e86\u201c\u901a\u4fe1\u5ef6\u8fdf\u201d\u5e76\u9700\u8981\u5355\u72ec\u7684\u670d\u52a1\u5668\u3002eCAP\u5219\u201c\u5feb\u901f\u3001\u96c6\u6210\u201d&#xff0c;\u4f46\u201c\u4f9d\u8d56\u4e8eSquid\u5b89\u88c5\u201d \u3002\u8fd9\u4ee3\u8868\u4e86\u7ecf\u5178\u7684\u67b6\u6784\u6743\u8861&#xff1a;\u7ec4\u7ec7\u5fc5\u987b\u5728ICAP\u7684\u7075\u6d3b\u6027\u548c\u5206\u5e03\u5f0f\u7279\u6027&#xff08;\u9002\u7528\u4e8e\u9ad8\u5ea6\u4e13\u4e1a\u5316\u6216\u5171\u4eab\u7684\u9002\u914d\u670d\u52a1&#xff09;\u4e0eeCAP\u7684\u6027\u80fd\u548c\u66f4\u7d27\u5bc6\u96c6\u6210&#xff08;\u9002\u7528\u4e8e\u5173\u952e\u3001\u9ad8\u6d41\u91cf\u3001Squid\u7279\u5b9a\u7684\u9002\u914d&#xff09;\u4e4b\u95f4\u505a\u51fa\u9009\u62e9\u3002\u8fd9\u79cd\u9009\u62e9\u4f1a\u5f71\u54cd\u5ef6\u8fdf\u3001\u90e8\u7f72\u590d\u6742\u6027\u4ee5\u53ca\u4e0eSquid\u6838\u5fc3\u7684\u8026\u5408\u7a0b\u5ea6\u3002\u00a0\u00a0<\/p>\n<h5>\u4e0eSquidGuard\u7684\u96c6\u6210<\/h5>\n<p>SquidGuard\u662f\u4e00\u6b3e\u4e13\u95e8\u7528\u4e8eWeb\u5185\u5bb9\u8fc7\u6ee4\u7684\u8f6f\u4ef6&#xff0c;\u5b83\u4e0eSquid\u534f\u540c\u5de5\u4f5c&#xff0c;\u800c\u975e\u4f5c\u4e3a\u72ec\u7acb\u7684\u4ee3\u7406\u670d\u52a1\u5668\u8fd0\u884c \u3002SquidGuard\u5229\u7528\u53ef\u5b9a\u5236\u7684\u201c\u9ed1\u540d\u5355\u201d\u6765\u9650\u5236\u7528\u6237\u5bf9\u4e0d\u5b89\u5168\u6216\u4e0d\u9002\u5f53\u7f51\u7ad9\u7684\u8bbf\u95ee&#xff0c;\u5e76\u80fd\u591f\u5c06\u7528\u6237\u91cd\u5b9a\u5411\u5230\u81ea\u5b9a\u4e49\u7684\u963b\u6b62\u9875\u9762 \u3002 \u00a0<\/p>\n<p>SquidGuard\u7684\u529f\u80fd\u7279\u6027\u5305\u62ec&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u4f7f\u7528\u9ed1\u540d\u5355\u6765\u9650\u5236\u5bf9\u7279\u5b9a\u7f51\u7ad9\u7684\u8bbf\u95ee&#xff0c;\u5e76\u6307\u5b9a\u91cd\u5b9a\u5411URL\u3002\u7ba1\u7406\u5458\u53ef\u4ee5\u521b\u5efa\u81ea\u5df1\u7684\u9ed1\u540d\u5355&#xff0c;\u4e5f\u53ef\u4ee5\u4f7f\u7528\u73b0\u6709\u7684\u9ed1\u540d\u5355\u6570\u636e\u5e93 \u3002 \u00a0<\/p>\n<\/li>\n<li>\n<p>\u5141\u8bb8\u5b9a\u4e49\u5404\u79cd\u590d\u6742\u7684\u8bbf\u95ee\u89c4\u5219&#xff0c;\u4f8b\u5982\u5c06\u7528\u6237\u9650\u5236\u5728\u8bbf\u95ee\u7279\u5b9aWeb\u670d\u52a1\u5668\u7684\u8303\u56f4\u5185&#xff0c;\u6839\u636e\u7f51\u9875\u4e2d\u662f\u5426\u5b58\u5728\u7279\u5b9a\u5173\u952e\u8bcd\u6216\u77ed\u8bed\u6765\u963b\u6b62\u7f51\u7ad9&#xff0c;\u6216\u8005\u5c06\u672a\u6ce8\u518c\u7528\u6237\u91cd\u5b9a\u5411\u5230\u6ce8\u518c\u9875\u9762\u7b49 \u3002 \u00a0<\/p>\n<\/li>\n<li>\n<p>SquidGuard\u662f\u514d\u8d39\u4e14\u5f00\u6e90\u7684&#xff0c;\u652f\u6301Unix\u548cLinux\u64cd\u4f5c\u7cfb\u7edf \u3002 \u00a0<\/p>\n<\/li>\n<\/ul>\n<p>Squid\u672c\u8eab\u53ef\u4ee5\u88ab\u89c6\u4e3a\u4e00\u4e2a\u201c\u88f8\u673a\u4ee3\u7406\u201d&#xff0c;\u63d0\u4f9b\u6838\u5fc3\u7684\u4ee3\u7406\u548c\u7f13\u5b58\u529f\u80fd\u3002\u800cSquidGuard\u5219\u5728\u6b64\u57fa\u7840\u4e0a&#xff0c;\u63d0\u4f9b\u4e86\u201c\u5728\u8ba4\u8bc1\u548c\u5b9e\u9645\u963b\u6b62\u9875\u9762\u65b9\u9762\u7684\u66f4\u591a\u4ea4\u4e92\u201d\u80fd\u529b \u3002\u8fd9\u79cd\u96c6\u6210\u901a\u8fc7\u4fee\u6539Squid\u7684\u4e3b\u914d\u7f6e\u6587\u4ef6&#xff08; \u00a0squid.conf&#xff09;\u6765\u5b9e\u73b0&#xff0c;\u901a\u5e38\u4f7f\u7528url_rewrite_program\u6307\u4ee4\u6307\u5411SquidGuard\u7684\u53ef\u6267\u884c\u7a0b\u5e8f&#xff0c;\u4ece\u800c\u4f7fSquid\u5728\u5904\u7406URL\u65f6\u8c03\u7528SquidGuard\u8fdb\u884c\u8fc7\u6ee4\u51b3\u7b56 \u3002 \u00a0<\/p>\n<p>Squid\u901a\u8fc7\u4e13\u4e1a\u914d\u5957\u5de5\u5177\u5b9e\u73b0\u53ef\u6269\u5c55\u6027\u3002Squid\u7684\u6a21\u5757\u5316\u548c\u53ef\u6269\u5c55\u6027\u662f\u5176\u5173\u952e\u4f18\u52bf\u3002\u5b83\u6ca1\u6709\u5c06\u6240\u6709\u53ef\u80fd\u7684\u529f\u80fd\u90fd\u96c6\u6210\u5230\u6838\u5fc3\u4e2d&#xff0c;\u800c\u662f\u63d0\u4f9b\u4e86\u94a9\u5b50&#xff08;\u4f8b\u5982&#xff0c;\u7528\u4e8eSquidGuard\u7684url_rewrite_program&#xff0c;\u6216ICAP\/eCAP\u63a5\u53e3&#xff09;\u4ee5\u652f\u6301\u4e13\u4e1a\u7684\u89e3\u51b3\u65b9\u6848 \u3002\u8fd9\u4f7f\u5f97\u7ba1\u7406\u5458\u80fd\u591f\u901a\u8fc7\u5c06Squid\u4e0e\u9488\u5bf9\u7279\u5b9a\u9700\u6c42&#xff08;\u4f8b\u5982&#xff0c;\u9ad8\u7ea7\u5185\u5bb9\u8fc7\u6ee4\u3001\u75c5\u6bd2\u626b\u63cf&#xff09;\u7684\u6700\u4f73\u5de5\u5177\u76f8\u7ed3\u5408&#xff0c;\u6784\u5efa\u5b9a\u5236\u7684\u4ee3\u7406\u73af\u5883&#xff0c;\u4ece\u800c\u5728\u4e0d\u727a\u7272\u6838\u5fc3\u6027\u80fd\u7684\u60c5\u51b5\u4e0b\u589e\u5f3a\u5176\u591a\u529f\u80fd\u6027\u3002\u00a0\u00a0<\/p>\n<h3>Squid\u7684\u67b6\u6784\u4e0e\u8bf7\u6c42\u5904\u7406\u6d41\u7a0b<\/h3>\n<p>\u6df1\u5165\u7406\u89e3Squid\u7684\u5185\u90e8\u67b6\u6784\u53ca\u5176\u8bf7\u6c42\u5904\u7406\u6d41\u7a0b&#xff0c;\u5bf9\u4e8e\u6709\u6548\u90e8\u7f72\u3001\u4f18\u5316\u548c\u6545\u969c\u6392\u9664\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<h4>\u67b6\u6784\u6982\u89c8<\/h4>\n<p>Squid\u5728OSI&#xff08;\u5f00\u653e\u7cfb\u7edf\u4e92\u8fde&#xff09;\u6a21\u578b\u7684\u7b2c4\u5c42\u5230\u7b2c7\u5c42&#xff08;\u5373\u4f20\u8f93\u5c42\u5230\u5e94\u7528\u5c42&#xff09;\u4e0a\u8fd0\u884c 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\u3002\u00a0\u00a0<\/p>\n<h4>\u4e8b\u4ef6\u5faa\u73af\u4e0e\u7f13\u5b58\u7ba1\u7406\u5668<\/h4>\n<p>Squid\u7684\u9ad8\u6548\u8fd0\u884c\u79bb\u4e0d\u5f00\u5176\u6838\u5fc3\u7684\u4e8b\u4ef6\u9a71\u52a8\u673a\u5236&#xff0c;\u7279\u522b\u662f\u4e8b\u4ef6\u5faa\u73af\u548c\u7f13\u5b58\u7ba1\u7406\u5668\u3002<\/p>\n<ul>\n<li>\n<p>\u4e8b\u4ef6\u5faa\u73af (Event Loop)&#xff1a; \u88ab\u79f0\u4e3aSquid\u64cd\u4f5c\u7684\u201c\u4e3b\u5faa\u73af\u201d\u6216\u201c\u6307\u6325\u8005\u201d \u3002\u5b83\u6301\u7eed\u76d1\u542c\u4f20\u5165\u7684\u8bf7\u6c42&#xff0c;\u5e76\u5c06\u5176\u8def\u7531\u5230\u76f8\u5e94\u7684\u6a21\u5757\u8fdb\u884c\u5904\u7406 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\u00a0<\/p>\n<\/li>\n<p>\u8fd9\u79cd\u590d\u6742\u7684\u591a\u9636\u6bb5\u5904\u7406\u6d41\u7a0b\u5141\u8bb8Squid\u5728\u8bf7\u6c42\u751f\u547d\u5468\u671f\u7684\u5404\u4e2a\u70b9\u5e94\u7528\u7cbe\u7ec6\u63a7\u5236\u548c\u4f18\u5316\u3002\u7136\u800c&#xff0c;\u6bcf\u4e2a\u9636\u6bb5\u90fd\u53ef\u80fd\u589e\u52a0\u6f5c\u5728\u7684\u5ef6\u8fdf\u548c\u590d\u6742\u6027\u3002\u4efb\u4f55\u9636\u6bb5\u7684\u914d\u7f6e\u9519\u8bef\u6216\u6027\u80fd\u74f6\u9888&#xff08;\u4f8b\u5982&#xff0c;\u7f13\u6162\u7684DNS\u67e5\u627e\u3001\u4f4e\u6548\u7684ACL\u6216ICAP\u670d\u52a1\u5668\u5ef6\u8fdf&#xff09;\u90fd\u53ef\u80fd\u663e\u8457\u964d\u4f4e\u6574\u4f53\u4ee3\u7406\u6027\u80fd\u3002\u8fd9\u79cd\u8be6\u7ec6\u7684\u7406\u89e3\u5bf9\u4e8e\u6709\u6548\u7684\u6545\u969c\u6392\u9664\u548c\u4f18\u5316\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<h4>HTTPS\u4e0eSSL 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\u3002\u7531\u4e8eCONNECT\u96a7\u9053\u53ef\u4ee5\u4f20\u8f93\u4efb\u4f55\u57fa\u4e8eTCP\u7684\u534f\u8bae&#xff0c;\u8fd9\u53ef\u80fd\u5e26\u6765\u5b89\u5168\u9690\u60a3\u3002\u56e0\u6b64&#xff0c;Squid\u7684\u9ed8\u8ba4ACL\u901a\u5e38\u4f1a\u62d2\u7edd\u975eSSL\u7aef\u53e3\u7684CONNECT\u8bf7\u6c42&#xff0c;\u4ee5\u9632\u6b62\u6ee5\u7528 \u3002\u00a0\u00a0<\/p>\n<h5>SSL Bump\u7684\u5de5\u4f5c\u539f\u7406\u4e0e\u5b89\u5168\u8003\u91cf<\/h5>\n<p>\u4e3a\u4e86\u80fd\u591f\u68c0\u67e5\u548c\u63a7\u5236HTTPS\u96a7\u9053\u4e2d\u7684\u52a0\u5bc6\u6d41\u91cf&#xff0c;Squid\u63d0\u4f9b\u4e86SslBump\u529f\u80fd \u3002 \u00a0<\/p>\n<ul>\n<li>\n<p>\u5de5\u4f5c\u539f\u7406&#xff1a; SslBump\u5141\u8bb8Squid\u89e3\u5bc6HTTPS CONNECT\u96a7\u9053\u3002\u901a\u8fc7\u89e3\u5bc6&#xff0c;Squid\u80fd\u591f\u50cf\u5904\u7406\u5e38\u89c4HTTP\u6d88\u606f\u4e00\u6837\u68c0\u67e5\u96a7\u9053\u4e2d\u7684HTTP\u6d88\u606f&#xff0c;\u4ece\u800c\u5b9e\u73b0\u5bf9HTTPS\u6d41\u91cf\u7684\u8be6\u7ec6\u8bbf\u95ee\u63a7\u5236\u3001\u5185\u5bb9\u9002\u914d&#xff08;\u4f8b\u5982&#xff0c;\u68c0\u67e5\u75c5\u6bd2\u3001\u9632\u6b62\u6570\u636e\u6cc4\u9732&#xff09;\u4ee5\u53ca\u5bf9HTTPS\u5185\u5bb9\u7684\u7f13\u5b58 \u3002 \u00a0<\/p>\n<\/li>\n<li>\n<p>\u673a\u5236&#xff1a; \u5b9e\u73b0SslBump\u6d89\u53caSquid\u5145\u5f53\u201c\u4e2d\u95f4\u4eba\u201d&#xff08;Man-in-the-Middle, MITM&#xff09;\u3002Squid\u4f1a\u52a8\u6001\u751f\u6210\u6240\u8bbf\u95ee\u57df\u7684SSL\/TLS\u8bc1\u4e66&#xff0c;\u5e76\u4f7f\u7528\u4e00\u4e2a\u53d7\u4fe1\u4efb\u7684\u6839CA\u8bc1\u4e66&#xff08;\u8be5\u6839CA\u8bc1\u4e66\u5fc5\u987b\u9884\u5148\u5b89\u88c5\u5e76\u88ab\u5ba2\u6237\u7aef\u673a\u5668\u4fe1\u4efb&#xff09;\u5bf9\u8fd9\u4e9b\u52a8\u6001\u751f\u6210\u7684\u8bc1\u4e66\u8fdb\u884c\u7b7e\u540d\u3002\u5ba2\u6237\u7aef\u5728\u8fde\u63a5\u65f6\u4f1a\u6536\u5230Squid\u751f\u6210\u7684\u8bc1\u4e66&#xff0c;\u7531\u4e8e\u5176\u6839CA\u662f\u53d7\u4fe1\u4efb\u7684&#xff0c;\u5ba2\u6237\u7aef\u4f1a\u4fe1\u4efb\u8fd9\u4e2a\u8fde\u63a5&#xff0c;\u4ece\u800c\u5141\u8bb8Squid\u89e3\u5bc6\u6d41\u91cf \u3002 \u00a0<\/p>\n<\/li>\n<li>\n<p>\u914d\u7f6e&#xff1a; \u914d\u7f6eSslBump\u9700\u8981Squid\u670d\u52a1\u5728\u7f16\u8bd1\u65f6\u652f\u6301\u7279\u5b9a\u7684\u9009\u9879&#xff08;\u4f8b\u5982&#8211;enable-ssl-crtd\u548c&#8211;with-openssl&#xff09; \u3002\u6b64\u5916&#xff0c;\u8fd8\u9700\u8981\u590d\u5236SSL\u8bc1\u4e66\u548c\u79c1\u94a5&#xff0c;\u751f\u6210Diffie-Hellman\u53c2\u6570&#xff0c;\u5e76\u5728squid.conf\u4e2d\u914d\u7f6esslcrtd_program\u548c\u5e26\u6709ssl-bump\u9009\u9879\u7684http_port\u6307\u4ee4 \u3002 \u00a0<\/p>\n<\/li>\n<li>\n<p>\u5b89\u5168\u4e0e\u9053\u5fb7\u8003\u91cf&#xff1a; \u8fd9\u662f\u4e00\u4e2a\u5173\u952e\u4e14\u654f\u611f\u7684\u65b9\u9762\u3002\u5728\u672a\u7ecf\u7528\u6237\u660e\u786e\u540c\u610f\u6216\u4e0d\u77e5\u60c5\u7684\u60c5\u51b5\u4e0b\u89e3\u5bc6HTTPS\u96a7\u9053&#xff0c;\u4ece\u6574\u4f53\u7f51\u7edc\u5b89\u5168\u89d2\u5ea6\u770b&#xff0c;\u6784\u6210\u4e86\u4e00\u79cd\u201c\u4e2d\u95f4\u4eba\u653b\u51fb\u201d \u3002\u8fd9\u79cd\u884c\u4e3a\u53ef\u80fd\u8fdd\u53cd\u9053\u5fb7\u89c4\u8303&#xff0c;\u751a\u81f3\u5728\u67d0\u4e9b\u53f8\u6cd5\u7ba1\u8f96\u533a\u662f\u975e\u6cd5\u7684 \u3002Squid\u7684\u6b64\u529f\u80fd\u8bbe\u8ba1\u7528\u4e8e\u5728\u7528\u6237\u540c\u610f\u6216\u81f3\u5c11\u5728\u89e3\u5bc6\u5408\u6cd5\u4e14\u88ab\u63a5\u53d7\u7684\u73af\u5883\u4e2d\u90e8\u7f72\u3002\u8fd9\u7a81\u51fa\u4e86SslBump\u4e2d\u5b89\u5168\u68c0\u67e5\u4e0e\u9690\u79c1\/\u4fe1\u4efb\u4e4b\u95f4\u7684\u5185\u5728\u5f20\u529b\u3002\u5c3d\u7ba1SslBump\u4e3aHTTPS\u6d41\u91cf\u4e2d\u7684\u5185\u5bb9\u8fc7\u6ee4\u548c\u5a01\u80c1\u68c0\u6d4b\u63d0\u4f9b\u4e86\u5f3a\u5927\u529f\u80fd&#xff0c;\u4f46\u5176\u5b9e\u73b0\u6d89\u53ca\u91cd\u5927\u7684\u9053\u5fb7\u3001\u6cd5\u5f8b\u548c\u4fe1\u4efb\u95ee\u9898\u3002\u7ec4\u7ec7\u5fc5\u987b\u786e\u4fdd\u5bf9\u7528\u6237\u5b8c\u5168\u900f\u660e&#xff0c;\u5e76\u9075\u5b88\u6240\u6709\u76f8\u5173\u6cd5\u89c4\u3002<\/p>\n<\/li>\n<li>\n<p>\u6311\u6218&#xff1a; \u5b9e\u65bdSslBump\u4e5f\u9762\u4e34\u5b9e\u9645\u6311\u6218\u3002\u5728\u900f\u660e\u6a21\u5f0f\u4e0b&#xff0c;\u5982\u679c\u5ba2\u6237\u7aef\u672a\u5b89\u88c5Squid\u7684SSL\u8bc1\u4e66&#xff0c;\u5c06\u9650\u5236\u5bf9HTTPS\u6d41\u91cf\u7684\u63a7\u5236&#xff0c;\u4f8b\u5982\u65e0\u6cd5\u8fdb\u884cURL\u8fc7\u6ee4 \u3002\u800c\u5e26\u6709SSL\u8bc1\u4e66\u7684\u975e\u900f\u660e\u6a21\u5f0f&#xff08;\u7528\u4e8eSSL\u68c0\u67e5&#xff09;\u8bbe\u7f6e\u66f4\u4e3a\u590d\u6742&#xff0c;\u9700\u8981\u5728\u6bcf\u4e2a\u5ba2\u6237\u7aef\u7aef\u70b9\u4e0a\u624b\u52a8\u914d\u7f6e\u6216\u5b89\u88c5\u8bc1\u4e66&#xff0c;\u5e76\u4e14\u4e0d\u9002\u7528\u4e8e\u7269\u8054\u7f51&#xff08;IoT&#xff09;\u8bbe\u5907&#xff0c;\u56e0\u4e3a\u8fd9\u4e9b\u8bbe\u5907\u901a\u5e38\u4e0d\u652f\u6301\u624b\u52a8\u8bc1\u4e66\u5b89\u88c5 \u3002\u8fd9\u4e9b\u6280\u672f\u590d\u6742\u6027\u8fdb\u4e00\u6b65\u5f3a\u8c03\u4e86\u5b83\u662f\u4e00\u4e2a\u9002\u7528\u4e8e\u7279\u5b9a\u53d7\u63a7\u73af\u5883&#xff08;\u4f8b\u5982&#xff0c;\u5177\u6709\u660e\u786e\u7b56\u7565\u7684\u4f01\u4e1a\u7f51\u7edc&#xff09;\u7684\u529f\u80fd&#xff0c;\u800c\u975e\u666e\u904d\u516c\u5171\u4f7f\u7528\u3002 \u00a0<\/p>\n<\/li>\n<\/ul>\n<h3>\u90e8\u7f72\u573a\u666f\u4e0e\u914d\u7f6e\u5b9e\u8df5<\/h3>\n<p>Squid\u4f5c\u4e3a\u6b63\u5411\u4ee3\u7406&#xff0c;\u5176\u90e8\u7f72\u5177\u6709\u9ad8\u5ea6\u7075\u6d3b\u6027&#xff0c;\u80fd\u591f\u9002\u5e94\u591a\u79cd\u7f51\u7edc\u73af\u5883\u548c\u5e94\u7528\u9700\u6c42\u3002<\/p>\n<h4>\u5178\u578b\u5e94\u7528\u573a\u666f<\/h4>\n<p>Squid\u5728\u4e0d\u540c\u7f51\u7edc\u73af\u5883\u4e2d\u53d1\u6325\u7740\u5173\u952e\u4f5c\u7528&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u4e92\u8054\u7f51\u670d\u52a1\u63d0\u4f9b\u5546 (ISPs)&#xff1a; ISP\u53ef\u4ee5\u90e8\u7f72Squid\u6765\u7f13\u5b58\u9891\u7e41\u8bf7\u6c42\u7684Web\u5185\u5bb9&#xff0c;\u4ece\u800c\u63d0\u9ad8\u5ba2\u6237\u7684\u4e0a\u7f51\u901f\u5ea6&#xff0c;\u5e76\u6709\u6548\u964d\u4f4e\u51fa\u7ad9\u5e26\u5bbd\u7684\u6d88\u8017&#xff0c;\u4f18\u5316\u7f51\u7edc\u8d44\u6e90\u5229\u7528 \u3002 \u00a0<\/p>\n<\/li>\n<li>\n<p>\u5c40\u57df\u7f51 (LANs)&#xff1a; \u5728\u4f01\u4e1a\u3001\u5b66\u6821\u6216\u516c\u5171\u56fe\u4e66\u9986\u7b49\u5171\u4eab\u7f51\u7edc\u8d44\u6e90\u7684\u5c40\u57df\u7f51\u73af\u5883\u4e2d&#xff0c;Squid\u80fd\u591f\u663e\u8457\u52a0\u901fWeb\u8bbf\u95ee&#xff0c;\u51cf\u5c11\u91cd\u590d\u8bf7\u6c42\u5bf9\u5916\u90e8\u5e26\u5bbd\u7684\u9700\u6c42&#xff0c;\u63d0\u5347\u7528\u6237\u4f53\u9a8c \u3002 \u00a0<\/p>\n<\/li>\n<li>\n<p>\u4f01\u4e1a\u73af\u5883&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u5b89\u5168\u589e\u5f3a&#xff1a; \u5c06Squid\u4e0e\u9632\u706b\u5899\u7ed3\u5408\u4f7f\u7528&#xff0c;\u53ef\u4ee5\u6784\u5efa\u5f3a\u5927\u7684\u5b89\u5168\u5c4f\u969c \u3002\u9632\u706b\u5899\u53ef\u4ee5\u914d\u7f6e\u4e3a\u62d2\u7edd\u6240\u6709\u5ba2\u6237\u7aef\u76f4\u63a5\u8bbf\u95ee\u5916\u90e8\u670d\u52a1&#xff0c;\u5f3a\u5236\u6240\u6709Web\u8fde\u63a5\u5fc5\u987b\u901a\u8fc7Squid\u4ee3\u7406\u3002\u8fd9\u79cd\u914d\u7f6e\u4f7fSquid\u80fd\u591f\u5b8c\u5168\u63a7\u5236Web\u8bbf\u95ee&#xff0c;\u5e76\u53ef\u901a\u8fc7\u5728DMZ&#xff08;\u975e\u519b\u4e8b\u533a&#xff09;\u4e2d\u8fd0\u884c\u4ee3\u7406\u6765\u8fdb\u4e00\u6b65\u589e\u5f3a\u5b89\u5168\u6027 \u3002 \u00a0<\/p>\n<\/li>\n<li>\n<p>\u5185\u5bb9\u8fc7\u6ee4&#xff1a; \u7ed3\u5408SquidGuard\u7b49\u5de5\u5177&#xff0c;Squid\u80fd\u591f\u5b9e\u73b0\u7ec6\u7c92\u5ea6\u7684\u5185\u5bb9\u8fc7\u6ee4&#xff0c;\u5141\u8bb8\u6216\u62d2\u7edd\u8bbf\u95ee\u7279\u5b9a\u7f51\u9875&#xff0c;\u963b\u6b62\u6076\u610f\u5185\u5bb9&#xff0c;\u6216\u6267\u884c\u4f01\u4e1a\u53ef\u63a5\u53d7\u4f7f\u7528\u7b56\u7565 \u3002 \u00a0<\/p>\n<\/li>\n<li>\n<p>\u6d41\u91cf\u76d1\u63a7&#xff1a; Squid\u80fd\u591f\u751f\u6210\u5173\u4e8eWeb\u4f7f\u7528\u6a21\u5f0f\u7684\u8be6\u7ec6\u7edf\u8ba1\u6570\u636e&#xff0c;\u5e2e\u52a9\u4f01\u4e1a\u8bc4\u4f30\u7528\u6237\u6d4f\u89c8\u4e60\u60ef&#xff0c;\u8fdb\u884c\u7f51\u7edc\u5ba1\u8ba1\u548c\u89c4\u5212 \u3002 \u00a0<\/p>\n<\/li>\n<li>\n<p>\u5185\u90e8\u8d44\u6e90\u8bbf\u95ee&#xff1a; \u5bf9\u4e8e\u9700\u8981\u4ece\u516c\u5171\u7f51\u7edc\u8bbf\u95ee\u5177\u6709\u5185\u90e8IP\u5730\u5740\u7684\u5185\u90e8\u8d44\u6e90\u7684\u7528\u6237&#xff08;\u4f8b\u5982\u8fdc\u7a0b\u5f00\u53d1\u8005&#xff09;&#xff0c;Squid\u53ef\u4ee5\u4f5c\u4e3a\u4e2d\u95f4\u4ee3\u7406&#xff0c;\u5b9e\u73b0\u5b89\u5168\u7684\u95f4\u63a5\u8bbf\u95ee \u3002 \u00a0<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>Web\u670d\u52a1\u5668\u52a0\u901f&#xff08;\u4f5c\u4e3a\u53cd\u5411\u4ee3\u7406&#xff09;&#xff1a; \u5c3d\u7ba1Squid\u4e3b\u8981\u8bbe\u8ba1\u4e3a\u6b63\u5411\u4ee3\u7406&#xff0c;\u4f46\u5b83\u4e5f\u5177\u5907\u4f5c\u4e3a\u53cd\u5411\u4ee3\u7406\u7684\u80fd\u529b&#xff0c;\u7528\u4e8e\u52a0\u901fWeb\u670d\u52a1\u5668 \u3002\u5728\u8fd9\u79cd\u6a21\u5f0f\u4e0b&#xff0c;Squid\u4f4d\u4e8eWeb\u670d\u52a1\u5668\u4e4b\u524d&#xff0c;\u901a\u8fc7\u7f13\u5b58\u52a8\u6001\u751f\u6210\u7684\u5185\u5bb9\u6765\u51cf\u5c11\u6e90\u670d\u52a1\u5668\u7684\u8d1f\u8f7d&#xff0c;\u4ece\u800c\u63d0\u9ad8\u9875\u9762\u4ea4\u4ed8\u901f\u5ea6 \u3002\u7136\u800c&#xff0c;\u9700\u8981\u6ce8\u610f\u7684\u662f&#xff0c;Nginx\u7b49\u5de5\u5177\u901a\u5e38\u88ab\u8ba4\u4e3a\u5728\u53cd\u5411\u4ee3\u7406\u548c\u8d1f\u8f7d\u5747\u8861\u65b9\u9762\u8868\u73b0\u66f4\u4f18&#xff0c;\u800cSquid\u7684\u6838\u5fc3\u4f18\u52bf\u4ecd\u5728\u4e8e\u5176\u4f5c\u4e3a\u6b63\u5411\u4ee3\u7406\u7684\u7f13\u5b58\u548c\u8fc7\u6ee4\u80fd\u529b \u3002 \u00a0<\/p>\n<\/li>\n<\/ul>\n<h4>\u5ba2\u6237\u7aef\u914d\u7f6e<\/h4>\n<p>\u8981\u4f7f\u5ba2\u6237\u7aef&#xff08;\u5982Web\u6d4f\u89c8\u5668&#xff09;\u4f7f\u7528Squid\u4ee3\u7406&#xff0c;\u6709\u591a\u79cd\u914d\u7f6e\u65b9\u6cd5&#xff0c;\u6bcf\u79cd\u65b9\u6cd5\u90fd\u6709\u5176\u9002\u7528\u573a\u666f\u548c\u6743\u8861&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u624b\u52a8\u914d\u7f6e&#xff1a; \u8fd9\u662f\u6700\u76f4\u63a5\u7684\u65b9\u6cd5&#xff0c;\u6d89\u53ca\u5728\u6bcf\u4e2aWeb\u6d4f\u89c8\u5668\u6216\u5176\u4ed6\u5e94\u7528\u7a0b\u5e8f\u4e2d\u624b\u52a8\u6307\u5b9aSquid\u670d\u52a1\u5668\u7684\u4e3b\u673a\u540d\u6216IP\u5730\u5740\u4ee5\u53caHTTP\u7aef\u53e3&#xff08;\u9ed8\u8ba4\u901a\u5e38\u662f3128&#xff09; \u3002\u5bf9\u4e8eSquid\u4e0d\u652f\u6301\u7684\u534f\u8bae&#xff0c;\u76f8\u5173\u5b57\u6bb5\u53ef\u4ee5\u7559\u7a7a \u3002\u8fd9\u79cd\u65b9\u6cd5\u867d\u7136\u7b80\u5355&#xff0c;\u4f46\u5728\u5927\u578b\u7f51\u7edc\u4e2d\u4e3a\u6bcf\u53f0\u8bbe\u5907\u548c\u6bcf\u4e2a\u5e94\u7528\u7a0b\u5e8f\u624b\u52a8\u914d\u7f6e\u4f1a\u975e\u5e38\u7e41\u7410&#xff0c;\u4e14\u4e0d\u5207\u5b9e\u9645 \u3002 \u00a0<\/p>\n<\/li>\n<li>\n<p>\u81ea\u52a8\u914d\u7f6e&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u4ee3\u7406\u81ea\u52a8\u914d\u7f6e (PAC) \u6587\u4ef6&#xff1a; \u5ba2\u6237\u7aef\u53ef\u4ee5\u914d\u7f6e\u4e3a\u4f7f\u7528PAC\u6587\u4ef6&#xff0c;\u8fd9\u662f\u4e00\u4e2aJavaScript\u6587\u4ef6&#xff0c;\u5176\u4e2d\u5305\u542b\u786e\u5b9a\u5982\u4f55\u5904\u7406\u7279\u5b9aURL\u8bf7\u6c42\u7684\u903b\u8f91&#xff08;\u4f8b\u5982&#xff0c;\u76f4\u63a5\u8fde\u63a5\u3001\u901a\u8fc7\u4ee3\u7406\u8fde\u63a5\u6216\u4e0d\u8fde\u63a5&#xff09; 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Squid\u7684\u914d\u7f6e\u4f53\u7cfb&#xff0c;\u7279\u522b\u662f\u5176\u8bbf\u95ee\u63a7\u5236\u5217\u8868&#xff08;ACL&#xff09;\u65b9\u6848&#xff0c;\u76f8\u5bf9\u590d\u6742\u4e14\u96be\u4ee5\u7406\u89e3 \u3002\u5fae\u8c03\u914d\u7f6e\u9700\u8981\u8fed\u4ee3\u548c\u7ec6\u81f4\u7684\u6d4b\u8bd5&#xff0c;\u4ee5\u786e\u4fdd\u6bcf\u6b21\u66f4\u6539\u7684\u6709\u6548\u6027&#xff0c;\u5e76\u9700\u8981\u7ef4\u62a4\u4e00\u4e2a\u5df2\u77e5\u826f\u597d\u7684\u914d\u7f6e\u7248\u672c\u4ee5\u4fbf\u56de\u6eda \u3002 \u00a0<\/p>\n<\/li>\n<li>\n<p>\u5bf9\u78c1\u76d8\u7a7a\u95f4\u7684\u654f\u611f\u6027&#xff1a; Squid\u5bf9\u78c1\u76d8\u7a7a\u95f4\u4e0d\u8db3\u7684\u5bb9\u5fcd\u5ea6\u8f83\u4f4e\u3002\u5982\u679c\u78c1\u76d8\u7a7a\u95f4\u8017\u5c3d&#xff0c;\u53ef\u80fd\u5bfc\u81f4\u6027\u80fd\u6025\u5267\u4e0b\u964d&#xff0c;\u751a\u81f3\u7f13\u5b58\u635f\u574f \u3002\u9664\u4e86cache_dir\u7684\u5927\u5c0f&#xff0c;Squid\u8fd8\u9700\u8981\u989d\u5916\u7684\u7a7a\u95f4\u7528\u4e8e\u4ea4\u6362\u6587\u4ef6\u548c\u6587\u4ef6\u7cfb\u7edf\u81ea\u8eab\u7684\u4f18\u5316&#xff08;\u5982\u907f\u514d\u788e\u7247\u5316&#xff09;&#xff0c;\u56e0\u6b64\u4e0d\u5efa\u8bae\u5c06cache_dir\u8bbe\u7f6e\u4e3a\u78c1\u76d8\u5206\u533a\u7684\u5168\u90e8\u5927\u5c0f \u3002 \u00a0<\/p>\n<\/li>\n<li>\n<p>\u7ef4\u62a4\u4e0e\u652f\u6301&#xff1a; \u6709\u89c2\u70b9\u8ba4\u4e3aSquid\u9879\u76ee\u5f53\u524d\u7684\u6d3b\u8dc3\u5ea6\u6709\u6240\u964d\u4f4e&#xff0c;\u5b98\u65b9\u7f51\u7ad9\u7684\u66f4\u65b0\u9891\u7387\u4e0d\u9ad8 \u3002\u8fd9\u53ef\u80fd\u5bf9\u5bfb\u6c42\u6700\u65b0\u529f\u80fd\u3001\u5b89\u5168\u8865\u4e01\u6216\u793e\u533a\u652f\u6301\u7684\u7528\u6237\u6784\u6210\u6311\u6218\u3002 \u00a0<\/p>\n<\/li>\n<li>\n<p>HTTPS\u8fc7\u6ee4\u6311\u6218&#xff1a; \u5728\u900f\u660e\u6a21\u5f0f\u4e0b&#xff0c;\u5982\u679c\u5ba2\u6237\u7aef\u672a\u5b89\u88c5SSL\u8bc1\u4e66&#xff0c;Squid\u5bf9HTTPS\u6d41\u91cf\u7684\u63a7\u5236\u80fd\u529b\u4f1a\u53d7\u5230\u9650\u5236&#xff0c;\u4f8b\u5982\u65e0\u6cd5\u8fdb\u884c\u7ec6\u7c92\u5ea6\u7684URL\u8fc7\u6ee4 \u3002\u800c\u91c7\u7528\u5e26\u6709SSL\u8bc1\u4e66\u7684\u975e\u900f\u660e\u6a21\u5f0f&#xff08;\u7528\u4e8eSSL\u68c0\u67e5&#xff09;\u5219\u8bbe\u7f6e\u66f4\u4e3a\u590d\u6742&#xff0c;\u9700\u8981\u5728\u6bcf\u4e2a\u7aef\u70b9\u4e0a\u624b\u52a8\u914d\u7f6e\u548c\u5b89\u88c5\u8bc1\u4e66&#xff0c;\u8fd9\u5bf9\u4e8e\u7269\u8054\u7f51&#xff08;IoT&#xff09;\u8bbe\u5907\u800c\u8a00\u901a\u5e38\u4e0d\u53ef\u884c \u3002 \u00a0<\/p>\n<\/li>\n<li>\n<p>\u90e8\u5206\u4e0b\u8f7d\u7f13\u5b58\u9650\u5236&#xff1a; \u9ed8\u8ba4\u60c5\u51b5\u4e0b&#xff0c;\u5982\u679c\u90e8\u5206\u4e0b\u8f7d\u672a\u5b8c\u6210&#xff0c;Squid\u4e0d\u4f1a\u4fdd\u7559\u8fd9\u4e9b\u4e0d\u5b8c\u6574\u7684\u6570\u636e&#xff0c;\u800c\u662f\u76f4\u63a5\u4e22\u5f03 \u3002\u8981\u5f3a\u5236Squid\u7f13\u5b58\u90e8\u5206\u4e0b\u8f7d&#xff0c;\u9700\u8981\u8fdb\u884c\u7279\u6b8a\u7684\u914d\u7f6e \u3002 \u00a0<\/p>\n<\/li>\n<\/ul>\n<h4>\u4e0eNginx\u7684\u6bd4\u8f83<\/h4>\n<p>Nginx\u662f\u4e00\u6b3e\u591a\u529f\u80fd\u7684Web\u670d\u52a1\u5668&#xff0c;\u540c\u65f6\u4e5f\u53ef\u4ee5\u7528\u4f5c\u53cd\u5411\u4ee3\u7406\u3001\u8d1f\u8f7d\u5747\u8861\u5668\u3001\u90ae\u4ef6\u4ee3\u7406\u548cHTTP\u7f13\u5b58 \u3002\u5728\u67d0\u4e9b\u4ee3\u7406\u573a\u666f\u4e0b&#xff0c;Nginx\u53ef\u80fd\u4f1a\u88ab\u89c6\u4e3aSquid\u7684\u66ff\u4ee3\u6216\u8865\u5145\u3002 \u00a0<\/p>\n<p>\u4e3b\u8981\u533a\u522b&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u89d2\u8272\u5b9a\u4f4d&#xff1a; Squid\u4e3b\u8981\u8bbe\u8ba1\u5e76\u4f18\u5316\u4e3a\u6b63\u5411\u4ee3\u7406&#xff0c;\u5373\u4e3a\u5185\u90e8\u5ba2\u6237\u7aef\u63d0\u4f9b\u5bf9\u5916\u4e92\u8054\u7f51\u8bbf\u95ee\u7684\u7f13\u5b58\u548c\u8fc7\u6ee4 \u3002Nginx\u5219\u4e3b\u8981\u4f5c\u4e3a\u53cd\u5411\u4ee3\u7406&#xff0c;\u4f4d\u4e8eWeb\u670d\u52a1\u5668\u524d\u7aef&#xff0c;\u5904\u7406\u6765\u81ea\u4e92\u8054\u7f51\u7684\u8bf7\u6c42\u5e76\u5c06\u5176\u8f6c\u53d1\u7ed9\u540e\u7aef\u670d\u52a1\u5668&#xff0c;\u540c\u65f6\u63d0\u4f9b\u8d1f\u8f7d\u5747\u8861\u548c\u7f13\u5b58\u529f\u80fd \u3002\u5c3d\u7ba1Nginx\u4e5f\u53ef\u4ee5\u914d\u7f6e\u4e3a\u6b63\u5411\u4ee3\u7406 &#xff0c;\u4f46\u5176\u6838\u5fc3\u4f18\u52bf\u548c\u8bbe\u8ba1\u7406\u5ff5\u5728\u4e8e\u53cd\u5411\u4ee3\u7406\u573a\u666f \u3002 \u00a0<\/p>\n<\/li>\n<li>\n<p>\u6027\u80fd&#xff1a; \u5728\u5904\u7406\u9ad8\u6d41\u91cf\u8d1f\u8f7d\u65b9\u9762&#xff0c;Nginx\u901a\u5e38\u8868\u73b0\u51fa\u66f4\u9ad8\u7684\u6027\u80fd\u548c\u53ef\u9760\u6027 \u3002\u6d4b\u8bd5\u8868\u660eNginx\u5728\u9875\u9762\u52a0\u8f7d\u901f\u5ea6\u4e0a\u901a\u5e38\u4f18\u4e8e\u5176\u4ed6Web\u670d\u52a1\u5668 \u3002 \u00a0<\/p>\n<\/li>\n<li>\n<p>\u6613\u7528\u6027&#xff1a; Nginx\u901a\u5e38\u88ab\u8ba4\u4e3a\u8bbe\u7f6e\u76f8\u5bf9\u7b80\u5355&#xff0c;\u5c24\u5176\u662f\u5728\u5176\u4e3b\u8981\u7528\u4f8b\u4e2d \u3002\u76f8\u6bd4\u4e4b\u4e0b&#xff0c;Squid\u7684\u914d\u7f6e\u590d\u6742\u6027\u8f83\u9ad8 \u3002 \u00a0<\/p>\n<\/li>\n<li>\n<p>\u5b89\u5168\u76d1\u63a7\u4e0e\u65e5\u5fd7&#xff1a; Nginx\u5728\u5b89\u5168\u76d1\u63a7\u3001\u65e5\u5fd7\u8bb0\u5f55\u548c\u62a5\u544a\u65b9\u9762\u901a\u5e38\u63d0\u4f9b\u66f4\u5f3a\u5927\u7684\u529f\u80fd\u548c\u66f4\u597d\u7684\u53ef\u89c1\u6027 \u3002 \u00a0<\/p>\n<\/li>\n<li>\n<p>\u96c6\u6210\u4e0e\u4e91\u90e8\u7f72&#xff1a; Nginx\u5728API\u96c6\u6210\u548c\u4e91\u90e8\u7f72\u652f\u6301\u65b9\u9762\u901a\u5e38\u8868\u73b0\u66f4\u4f18&#xff0c;\u4f7f\u5176\u66f4\u9002\u5408\u73b0\u4ee3\u4e91\u57fa\u7840\u8bbe\u65bd\u548c\u5fae\u670d\u52a1\u67b6\u6784 \u3002 \u00a0<\/p>\n<\/li>\n<li>\n<p>\u7f13\u5b58\u80fd\u529b&#xff1a; Nginx\u4e5f\u652f\u6301\u5185\u5bb9\u7f13\u5b58&#xff0c;\u80fd\u591f\u5c06\u54cd\u5e94\u4fdd\u5b58\u5728\u78c1\u76d8\u7f13\u5b58\u4e2d&#xff0c;\u5e76\u7528\u4e8e\u54cd\u5e94\u5ba2\u6237\u7aef&#xff0c;\u4ece\u800c\u51cf\u5c11\u5bf9\u540e\u7aef\u670d\u52a1\u5668\u7684\u8bf7\u6c42 \u3002Nginx\u7684\u7f13\u5b58\u53ef\u4ee5\u914d\u7f6e\u7f13\u5b58\u5927\u5c0f\u3001\u5b58\u50a8\u4f4d\u7f6e\u548c\u7b56\u7565&#xff0c;\u5e76\u652f\u6301\u5b57\u8282\u8303\u56f4\u7f13\u5b58 \u3002 \u00a0<\/p>\n<\/li>\n<\/ul>\n<p>\u4f55\u65f6\u9009\u62e9Squid vs Nginx&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u9009\u62e9Squid&#xff1a; \u5f53\u6838\u5fc3\u9700\u6c42\u662f\u4e3a\u5185\u90e8\u7528\u6237\u63d0\u4f9bWeb\u7f13\u5b58\u3001\u7ec6\u7c92\u5ea6\u7684\u8bbf\u95ee\u63a7\u5236\u3001\u5185\u5bb9\u8fc7\u6ee4&#xff08;\u7279\u522b\u662f\u4e0eSquidGuard\u96c6\u6210&#xff09;\u548c\u5e26\u5bbd\u7ba1\u7406\u65f6&#xff0c;Squid\u662f\u66f4\u4e13\u4e1a\u7684\u9009\u62e9 \u3002 \u00a0<\/p>\n<\/li>\n<li>\n<p>\u9009\u62e9Nginx&#xff1a; \u5f53\u9700\u6c42\u6d89\u53caWeb\u670d\u52a1\u5668\u3001\u8d1f\u8f7d\u5747\u8861\u3001API\u7f51\u5173\u3001Web\u5e94\u7528\u7a0b\u5e8f\u9632\u706b\u5899&#xff08;WAF&#xff09;\u529f\u80fd\u4ee5\u53ca\u9ad8\u6027\u80fd\u53cd\u5411\u4ee3\u7406\u65f6&#xff0c;\u6216\u8005\u9700\u8981\u66f4\u5e7f\u6cdb\u7684\u4e91\u90e8\u7f72\u548c\u96c6\u6210\u80fd\u529b\u65f6&#xff0c;Nginx\u901a\u5e38\u662f\u66f4\u5408\u9002\u7684\u9009\u62e9 \u3002 \u00a0<\/p>\n<\/li>\n<\/ul>\n<h4>\u4e0eSOCKS\u4ee3\u7406\u7684\u6bd4\u8f83<\/h4>\n<p>SOCKS&#xff08;Socket Secure&#xff09;\u4ee3\u7406\u662f\u53e6\u4e00\u79cd\u5e38\u89c1\u7684\u4ee3\u7406\u7c7b\u578b&#xff0c;\u5b83\u4e0eHTTP\u4ee3\u7406&#xff08;\u5982Squid&#xff09;\u5728\u529f\u80fd\u548c\u5e94\u7528\u573a\u666f\u4e0a\u5b58\u5728\u663e\u8457\u5dee\u5f02\u3002<\/p>\n<p>SOCKS\u4ee3\u7406\u7684\u5de5\u4f5c\u539f\u7406&#xff1a; SOCKS\u4ee3\u7406\u901a\u8fc7TCP\u8fde\u63a5\u8def\u7531\u4e92\u8054\u7f51\u6d41\u91cf&#xff0c;\u4ee3\u8868\u5ba2\u6237\u7aef\u8f6c\u53d1\u6570\u636e\u5305 \u3002\u4e0e\u5927\u591a\u6570\u5176\u4ed6\u4ee3\u7406\u7c7b\u578b\u4e00\u6837&#xff0c;SOCKS\u4ee3\u7406\u80fd\u591f\u9690\u85cf\u5ba2\u6237\u7aef\u7684IP\u5730\u5740&#xff0c;\u5e76\u5e38\u7528\u4e8e\u7ed5\u8fc7\u5730\u7406\u9650\u5236 \u3002SOCKS\u4ee3\u7406\u7684\u5173\u952e\u7279\u70b9\u662f\u5b83\u4e0d\u89e3\u91caWeb\u6570\u636e&#xff08;\u5982HTTP\u534f\u8bae\u5934&#xff09;&#xff0c;\u4f46\u5b83\u80fd\u591f\u5904\u7406\u4efb\u4f55\u7c7b\u578b\u7684\u7f51\u7edc\u534f\u8bae&#xff0c;\u5e76\u5728\u4efb\u4f55\u7aef\u53e3\u4e0a\u5de5\u4f5c \u3002\u8fd9\u4f7f\u5f97SOCKS\u4ee3\u7406\u5728\u8bbf\u95ee\u53d7\u9632\u706b\u5899\u9650\u5236\u7684\u7f51\u7ad9\u65f6\u7279\u522b\u6709\u7528 \u3002 \u00a0<\/p>\n<p>\u4e3b\u8981\u533a\u522b&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u534f\u8bae\u652f\u6301\u4e0e\u529f\u80fd&#xff1a; Squid\u4f5c\u4e3aHTTP\u4ee3\u7406&#xff0c;\u4e3b\u8981\u5904\u7406HTTP(S)\u6d41\u91cf&#xff0c;\u80fd\u591f\u7406\u89e3\u548c\u89e3\u91ca\u6570\u636e\u5305&#xff0c;\u56e0\u6b64\u53ef\u4ee5\u6267\u884c\u7f13\u5b58\u3001\u5185\u5bb9\u8fc7\u6ee4\u3001\u52a0\u901f\u52a0\u8f7d\u7b49\u7279\u5b9a\u4e8eHTTP\u7684\u529f\u80fd \u3002SOCKS\u4ee3\u7406\u5219\u662f\u534f\u8bae\u65e0\u5173\u7684&#xff0c;\u5b83\u4e0d\u76f4\u63a5\u89e3\u91ca\u6216\u64cd\u4f5c\u4ee3\u7406\u6d41\u91cf&#xff0c;\u8fd9\u4f7f\u5176\u66f4\u4e3a\u7075\u6d3b&#xff0c;\u4f46\u7f3a\u4e4fHTTP\u4ee3\u7406\u6240\u63d0\u4f9b\u7684\u7279\u5b9a\u529f\u80fd&#xff0c;\u5982\u5185\u5bb9\u7f13\u5b58\u6216\u8fc7\u6ee4 \u3002SOCKS\u4ee3\u7406\u66f4\u5e38\u7528\u4e8e\u901a\u7528\u76ee\u7684&#xff0c;\u4f8b\u5982\u5185\u5bb9\u6d41\u548cP2P\u6587\u4ef6\u5171\u4eab&#xff0c;\u6216\u8bbf\u95ee\u9632\u706b\u5899\u540e\u7684\u8fde\u63a5 \u3002 \u00a0<\/p>\n<\/li>\n<li>\n<p>\u5b89\u5168\u6027&#xff1a; HTTP\u4ee3\u7406&#xff08;\u5982Squid&#xff09;\u53ef\u4ee5\u5728\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u4e4b\u95f4\u6dfb\u52a0\u4e00\u5c42\u5b89\u5168&#xff0c;\u80fd\u591f\u68c0\u6d4b\u5e76\u62d2\u7edd\u53ef\u7591\u6570\u636e\u5305\u6216\u6076\u610f\u8f6f\u4ef6 \u3002SOCKS\u4ee3\u7406\u901a\u5e38\u4e0d\u63d0\u4f9b\u6807\u51c6\u96a7\u9053\u52a0\u5bc6 \u3002 \u00a0<\/p>\n<\/li>\n<li>\n<p>\u6027\u80fd&#xff1a; HTTP\u4ee3\u7406\u901a\u8fc7\u7f13\u5b58\u9891\u7e41\u8bf7\u6c42\u7684Web\u9875\u9762\u6765\u63d0\u9ad8\u6027\u80fd&#xff0c;\u4ece\u800c\u80fd\u591f\u7ba1\u7406\u66f4\u591a\u7684\u6bcf\u79d2\u8bf7\u6c42 \u3002SOCKS\u4ee3\u7406\u56e0\u5176\u7b80\u5355\u6027\u548c\u534f\u8bae\u65e0\u5173\u6027&#xff0c;\u5728\u4e0b\u8f7d\u548c\u4f20\u8f93\u5927\u91cf\u6570\u636e\u65f6\u53ef\u80fd\u8868\u73b0\u51fa\u66f4\u5feb\u7684\u901f\u5ea6 \u3002\u00a0<\/p>\n<\/li>\n<\/ul>\n<p>\u4f55\u65f6\u9009\u62e9Squid vs SOCKS&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u9009\u62e9Squid&#xff1a; \u5f53\u6838\u5fc3\u9700\u6c42\u662fWeb\u7f13\u5b58\u3001\u5185\u5bb9\u8fc7\u6ee4\u3001\u8be6\u7ec6\u8bbf\u95ee\u63a7\u5236\u4ee5\u53ca\u5bf9HTTP\/HTTPS\u6d41\u91cf\u8fdb\u884c\u4f18\u5316\u65f6&#xff0c;Squid\u662f\u7406\u60f3\u7684\u9009\u62e9 \u3002 \u00a0<\/p>\n<\/li>\n<li>\n<p>\u9009\u62e9SOCKS&#xff1a; \u5f53\u9700\u8981\u4e00\u4e2a\u534f\u8bae\u65e0\u5173\u7684\u901a\u7528\u4ee3\u7406&#xff0c;\u7528\u4e8eP2P\u6587\u4ef6\u5171\u4eab\u3001\u6d41\u5a92\u4f53\u6216\u7ed5\u8fc7\u9632\u706b\u5899&#xff0c;\u4e14\u4e0d\u9700\u8981\u5185\u5bb9\u68c0\u67e5\u6216\u7f13\u5b58\u529f\u80fd\u65f6&#xff0c;SOCKS\u4ee3\u7406\u53ef\u80fd\u66f4\u4e3a\u5408\u9002 \u3002 \u00a0<\/p>\n<\/li>\n<\/ul>\n<h3 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