![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/08\/20250815223957-689fb73d1bff0.png\")
<\/p>\n
\u4e09\u3001\u4e3b\u8981\u7c7b\u522b<\/h4>\n
\u4f20\u8f93\u5c42\u96a7\u9053\u6280\u672f\u7684\u5206\u7c7b\u4ee5 \u201c\u5916\u5c42\u8f7d\u4f53\u534f\u8bae\u201d \u4e3a\u6838\u5fc3，\u4e3b\u8981\u5206\u4e3a\u4e09\u7c7b：<\/p>\n
1. TCP \u96a7\u9053<\/h6>\n
\u4ee5 TCP \u534f\u8bae\u4f5c\u4e3a\u5916\u5c42\u8f7d\u4f53，\u5c01\u88c5\u539f\u59cb\u6570\u636e（\u53ef\u662f TCP\u3001UDP\u3001ICMP \u7b49\u4efb\u610f\u6d41\u91cf）\u3002\u7531\u4e8e TCP \u662f\u9762\u5411\u8fde\u63a5\u7684\u53ef\u9760\u534f\u8bae，\u4e14\u5e38\u7528\u7aef\u53e3（\u5982 80\u3001443\u300122）\u901a\u5e38\u88ab\u7f51\u7edc\u5141\u8bb8，\u56e0\u6b64 TCP \u96a7\u9053\u9690\u853d\u6027\u8f83\u5f3a\u3002<\/p>\n
\u5178\u578b\u573a\u666f：<\/p>\n
- \n
- \u5229\u7528 80\/443 \u7aef\u53e3（\u6a21\u62df HTTP\/HTTPS \u6d41\u91cf）：\u5c06\u5185\u7f51\u6d41\u91cf\u5c01\u88c5\u5230 TCP 443 \u7aef\u53e3，\u4f2a\u88c5\u6210\u52a0\u5bc6\u7f51\u9875\u901a\u4fe1，\u7ed5\u8fc7\u9632\u706b\u5899\u5bf9\u975e\u6807\u51c6\u7aef\u53e3\u7684\u9650\u5236\u3002<\/li>\n
- SSH \u96a7\u9053（\u57fa\u4e8e TCP）：\u901a\u8fc7 SSH \u534f\u8bae（TCP 22 \u7aef\u53e3）\u5c01\u88c5\u6d41\u91cf，\u5b9e\u73b0\u7aef\u53e3\u8f6c\u53d1（\u5982\u5c06\u5185\u7f51 3306 \u7aef\u53e3\u8f6c\u53d1\u5230\u5916\u90e8），\u540c\u65f6\u5229\u7528 SSH \u52a0\u5bc6\u7279\u6027\u8fdb\u4e00\u6b65\u9690\u85cf\u5185\u5bb9\u3002<\/li>\n<\/ul>\n
2. UDP \u96a7\u9053<\/h6>\n
\u4ee5 UDP \u534f\u8bae\u4f5c\u4e3a\u5916\u5c42\u8f7d\u4f53，\u5c01\u88c5\u539f\u59cb\u6570\u636e\u3002UDP \u662f\u65e0\u8fde\u63a5\u7684\u4e0d\u53ef\u9760\u534f\u8bae，\u4f46\u5e38\u7528\u7aef\u53e3（\u5982 53 \u7aef\u53e3，DNS \u670d\u52a1）\u901a\u5e38\u88ab\u7f51\u7edc\u5141\u8bb8，\u56e0\u6b64\u9002\u5408\u5feb\u901f\u4f20\u8f93\u6216\u4f2a\u88c5\u6210 DNS \u6d41\u91cf\u3002<\/p>\n
\u5178\u578b\u573a\u666f：<\/p>\n
- \n
- DNS \u96a7\u9053（\u57fa\u4e8e UDP 53）：\u5c06\u539f\u59cb\u6570\u636e\u7f16\u7801\u4e3a DNS \u67e5\u8be2 \/ \u54cd\u5e94\u62a5\u6587（\u5982\u5c06\u6307\u4ee4\u5d4c\u5165\u57df\u540d），\u901a\u8fc7 UDP 53 \u7aef\u53e3\u4f20\u8f93，\u5229\u7528 \u201cDNS \u662f\u7f51\u7edc\u57fa\u7840\u670d\u52a1\u201d \u7684\u7279\u6027\u7ed5\u8fc7\u9650\u5236\u3002<\/li>\n
- UDP \u7aef\u53e3\u8f6c\u53d1：\u5c06\u5185\u7f51 UDP \u6d41\u91cf（\u5982 SNMP\u3001NTP）\u5c01\u88c5\u5230\u5141\u8bb8\u7684 UDP \u7aef\u53e3（\u5982 161），\u5b9e\u73b0\u8de8\u7f51\u6bb5\u901a\u4fe1\u3002<\/li>\n<\/ul>\n
3.\u5e38\u89c4\u7aef\u53e3\u8f6c\u53d1<\/h6>\n
\u5e38\u89c4\u7aef\u53e3\u8f6c\u53d1\u7684\u672c\u8d28\u662f \u201c\u6d41\u91cf\u8def\u7531\u89c4\u5219\u7684\u5efa\u7acb\u4e0e\u6267\u884c\u201d，\u57fa\u4e8e TCP\/UDP \u7684\u4f20\u8f93\u5c42\u7279\u6027\u5b9e\u73b0，\u6b65\u9aa4\u5982\u4e0b：<\/p>\n
- \u5efa\u7acb\u8f6c\u53d1\u89c4\u5219：\u901a\u8fc7\u5de5\u5177\u6216\u7cfb\u7edf\u914d\u7f6e\u5b9a\u4e49 \u201c\u6e90\u7aef\u53e3\u201d\u201c\u76ee\u6807\u5730\u5740 + \u76ee\u6807\u7aef\u53e3\u201d\u201c\u8f6c\u53d1\u65b9\u5411\u201d（\u672c\u5730 \/ \u8fdc\u7a0b）\u3002\u4f8b\u5982，\u89c4\u5219\u4e3a \u201c\u5c06\u672c\u5730 192.168.1.100:8080 \u7684 TCP \u6d41\u91cf\u8f6c\u53d1\u5230 10.0.0.5:3389\u201d\u3002<\/li>\n
- \u63a5\u6536\u539f\u59cb\u6d41\u91cf：\u5f53\u5916\u90e8\u8bbe\u5907\u5411 \u201c\u6e90\u7aef\u53e3\u201d \u53d1\u9001 TCP\/UDP \u6570\u636e\u5305\u65f6，\u8f6c\u53d1\u5de5\u5177\u6216\u7cfb\u7edf\u5185\u6838\u62e6\u622a\u8be5\u6d41\u91cf\u3002<\/li>\n
- \u8f6c\u53d1\u6d41\u91cf：\u6309\u7167\u89c4\u5219\u5c06\u6570\u636e\u5305\u7684 \u201c\u76ee\u7684\u5730\u5740 + \u7aef\u53e3\u201d \u4fee\u6539\u4e3a \u201c\u76ee\u6807\u5730\u5740 + \u76ee\u6807\u7aef\u53e3\u201d，\u5e76\u8f6c\u53d1\u5230\u76ee\u6807\u7aef\u70b9（\u53ef\u80fd\u901a\u8fc7\u672c\u5730\u7f51\u7edc\u6216\u8fdc\u7a0b\u7f51\u7edc）\u3002<\/li>\n
- \u53cd\u5411\u56de\u4f20：\u76ee\u6807\u7aef\u70b9\u7684\u54cd\u5e94\u6570\u636e\u5305\u6309\u539f\u8def\u8fd4\u56de，\u7ecf\u8fc7\u8f6c\u53d1\u89c4\u5219\u8fd8\u539f \u201c\u6e90\u5730\u5740 + \u7aef\u53e3\u201d \u540e，\u56de\u4f20\u7ed9\u539f\u59cb\u53d1\u9001\u7aef，\u5b8c\u6210\u53cc\u5411\u901a\u4fe1\u3002<\/li>\n
\u6839\u636e\u8f6c\u53d1\u7684 \u201c\u65b9\u5411\u201d \u548c \u201c\u8303\u56f4\u201d，\u5e38\u89c4\u7aef\u53e3\u8f6c\u53d1\u53ef\u5206\u4e3a\u4e24\u7c7b：<\/p>\n
1. \u672c\u5730\u7aef\u53e3\u8f6c\u53d1（Local Port Forwarding）<\/h5>\n
\u5b9a\u4e49：\u5c06 \u201c\u672c\u5730\u4e3b\u673a\u7684\u7aef\u53e3\u201d \u6d41\u91cf\u8f6c\u53d1\u5230 \u201c\u8fdc\u7a0b\u76ee\u6807（\u53ef\u5185\u7f51\u6216\u5916\u7f51）\u7684\u7aef\u53e3\u201d\u3002
\n\u573a\u666f：\u672c\u5730\u4e3b\u673a\u65e0\u6cd5\u76f4\u63a5\u8bbf\u95ee\u76ee\u6807\u670d\u52a1（\u5982\u56e0\u9632\u706b\u5899\u9650\u5236），\u901a\u8fc7\u672c\u5730\u7aef\u53e3\u4f5c\u4e3a \u201c\u8df3\u677f\u201d \u95f4\u63a5\u8bbf\u95ee\u3002
\n\u793a\u4f8b：<\/p>\n\n\u653b\u51fb\u8005\u7684\u672c\u5730\u4e3b\u673a（A）\u65e0\u6cd5\u76f4\u63a5\u8bbf\u95ee\u5185\u7f51\u4e3b\u673a C \u7684 3306 \u7aef\u53e3（\u88ab\u9632\u706b\u5899\u62e6\u622a），\u4f46\u53ef\u8bbf\u95ee\u5185\u7f51\u8df3\u677f\u673a B（192.168.1.10）\u3002\u6b64\u65f6\u53ef\u5728 A \u4e0a\u914d\u7f6e\u89c4\u5219：\u201c\u5c06 A \u7684 8888 \u7aef\u53e3\u6d41\u91cf\u8f6c\u53d1\u5230 B \u7684 3306 \u7aef\u53e3（\u518d\u7531 B \u8f6c\u53d1\u5230 C \u7684 3306）\u201d，\u8bbf\u95ee A:8888 \u5373\u7b49\u540c\u4e8e\u8bbf\u95ee C:3306\u3002<\/p>\n<\/p>\n
2. \u8fdc\u7a0b\u7aef\u53e3\u8f6c\u53d1（Remote Port Forwarding）<\/h5>\n
\u5b9a\u4e49：\u5c06 \u201c\u8fdc\u7a0b\u4e3b\u673a\u7684\u7aef\u53e3\u201d \u6d41\u91cf\u8f6c\u53d1\u5230 \u201c\u672c\u5730\u4e3b\u673a（\u6216\u672c\u5730\u53ef\u8fbe\u7684\u5176\u4ed6\u4e3b\u673a）\u7684\u7aef\u53e3\u201d\u3002
\n\u573a\u666f：\u9700\u8981\u8ba9\u5916\u90e8\u4e3b\u673a\u8bbf\u95ee\u5185\u7f51\u670d\u52a1（\u4f46\u5185\u7f51\u670d\u52a1\u65e0\u516c\u7f51 IP），\u901a\u8fc7\u8fdc\u7a0b\u4e3b\u673a\u7684\u516c\u7f51\u7aef\u53e3\u4f5c\u4e3a \u201c\u5165\u53e3\u201d\u3002
\n\u793a\u4f8b：<\/p>\n\u6574\u4e2a\u8fc7\u7a0b\u4e2d，\u539f\u59cb\u6570\u636e\u7684\u4f20\u8f93\u5c42\u534f\u8bae（TCP\/UDP）\u4fdd\u6301\u4e0d\u53d8，\u4ec5\u901a\u8fc7\u7aef\u53e3 \/ \u5730\u5740\u6620\u5c04\u5b9e\u73b0 \u201c\u95f4\u63a5\u901a\u4fe1\u201d，\u56e0\u6b64\u5c5e\u4e8e\u4f20\u8f93\u5c42\u96a7\u9053\u6280\u672f\u4e2d \u201c\u57fa\u4e8e\u7aef\u53e3\u6620\u5c04\u7684\u7b80\u5316\u5c01\u88c5\u201d\u3002<\/p>\n
- \u5185\u7f51\u4e3b\u673a B（10.0.0.2）\u8fd0\u884c Web \u670d\u52a1（80 \u7aef\u53e3），\u4f46\u65e0\u516c\u7f51 IP；\u653b\u51fb\u8005\u63a7\u5236\u4e86\u4e00\u53f0\u516c\u7f51\u4e3b\u673a A（203.0.113.5）\u3002\u53ef\u5728 B \u4e0a\u914d\u7f6e\u89c4\u5219：\u201c\u5c06 A \u7684 8080 \u7aef\u53e3\u6d41\u91cf\u8f6c\u53d1\u5230 B \u7684 80 \u7aef\u53e3\u201d，\u5916\u90e8\u7528\u6237\u8bbf\u95ee A:8080 \u65f6，\u5b9e\u9645\u8bbf\u95ee\u7684\u662f B:80\u3002<\/li>\n
\u56db\u3001\u5728\u5185\u7f51\u6e17\u900f\u4e2d\u7684\u4f5c\u7528<\/h4>\n
\u5185\u7f51\u6e17\u900f\u4e2d，\u653b\u51fb\u8005\u5e38\u9762\u4e34 \u201c\u7f51\u7edc\u9694\u79bb\u201d\u201c\u7aef\u53e3\u9650\u5236\u201d\u201c\u6d41\u91cf\u76d1\u63a7\u201d \u7b49\u969c\u788d，\u4f20\u8f93\u5c42\u96a7\u9053\u6280\u672f\u662f\u7a81\u7834\u8fd9\u4e9b\u969c\u788d\u7684\u6838\u5fc3\u5de5\u5177，\u5177\u4f53\u4f5c\u7528\u5982\u4e0b：<\/p>\n
1. \u7ed5\u8fc7\u7aef\u53e3\u4e0e\u534f\u8bae\u8fc7\u6ee4<\/h6>\n
\u5185\u7f51\u9632\u706b\u5899\u901a\u5e38\u4f1a\u9650\u5236\u975e\u6807\u51c6\u7aef\u53e3（\u5982 3389\u30013306）\u6216\u7279\u6b8a\u534f\u8bae（\u5982 ICMP）\u7684\u6d41\u91cf，\u800c\u4f20\u8f93\u5c42\u96a7\u9053\u53ef\u5c06\u88ab\u9650\u5236\u7684\u6d41\u91cf\u5c01\u88c5\u5230\u5141\u8bb8\u7684\u7aef\u53e3 \/ \u534f\u8bae\u4e2d\u3002\u4f8b\u5982：<\/p>\n
- \n
- \u653b\u51fb\u8005\u63a7\u5236\u5185\u7f51\u4e00\u53f0 Web \u670d\u52a1\u5668（\u5f00\u653e 80\/443 \u7aef\u53e3），\u53ef\u901a\u8fc7 TCP 443 \u96a7\u9053\u5c06\u5185\u7f51\u5176\u4ed6\u4e3b\u673a\u7684 3389 \u7aef\u53e3（\u8fdc\u7a0b\u684c\u9762）\u6d41\u91cf\u8f6c\u53d1\u5230\u5916\u90e8，\u7ed5\u8fc7\u9632\u706b\u5899\u5bf9 3389 \u7aef\u53e3\u7684\u62e6\u622a\u3002<\/li>\n<\/ul>\n
2. \u9690\u85cf\u6076\u610f\u901a\u4fe1\u7279\u5f81<\/h6>\n
IDS\/IPS \u4f1a\u901a\u8fc7\u7279\u5f81\u7801（\u5982\u653b\u51fb\u6307\u4ee4\u3001\u5f02\u5e38\u7aef\u53e3）\u8bc6\u522b\u6076\u610f\u6d41\u91cf，\u800c\u4f20\u8f93\u5c42\u96a7\u9053\u901a\u8fc7\u5c01\u88c5\u53ef\u63a9\u76d6\u8fd9\u4e9b\u7279\u5f81\u3002\u4f8b\u5982：<\/p>\n
- \n
- \u653b\u51fb\u8005\u7684 C2（\u547d\u4ee4\u4e0e\u63a7\u5236）\u6d41\u91cf\u82e5\u76f4\u63a5\u4f20\u8f93，\u53ef\u80fd\u56e0 \u201c\u975e\u6807\u51c6\u7aef\u53e3 + \u660e\u6587\u6307\u4ee4\u201d \u88ab\u68c0\u6d4b；\u4f46\u901a\u8fc7 TCP 443 \u96a7\u9053\u5c01\u88c5\u540e，\u6d41\u91cf\u4f1a\u88ab\u8bc6\u522b\u4e3a \u201cHTTPS \u52a0\u5bc6\u901a\u4fe1\u201d，\u89c4\u907f\u7279\u5f81\u68c0\u6d4b\u3002<\/li>\n<\/ul>\n
3. \u7ef4\u6301\u7a33\u5b9a\u7684 C2 \u8fde\u63a5<\/h6>\n
\u5185\u7f51\u6e17\u900f\u4e2d，\u653b\u51fb\u8005\u9700\u8981\u4e0e\u63a7\u5236\u7aef（C2 \u670d\u52a1\u5668）\u4fdd\u6301\u957f\u671f\u901a\u4fe1，\u4f20\u8f93\u5c42\u96a7\u9053\u53ef\u5229\u7528 TCP \u7684 \u201c\u53ef\u9760\u8fde\u63a5\u201d \u7279\u6027\u6216 UDP \u7684 \u201c\u7a7f\u900f\u6027\u201d（\u5982 NAT \u73af\u5883），\u786e\u4fdd\u8fde\u63a5\u4e0d\u88ab\u8f7b\u6613\u4e2d\u65ad\u3002<\/p>\n
4. \u5b9e\u73b0\u5185\u7f51\u6a2a\u5411\u79fb\u52a8<\/h6>\n
\u5f53\u5185\u7f51\u5b58\u5728\u591a\u7f51\u6bb5\u9694\u79bb（\u5982 DMZ \u533a\u4e0e\u6838\u5fc3\u4e1a\u52a1\u533a\u3001VLAN \u5212\u5206）\u65f6，\u4f20\u8f93\u5c42\u96a7\u9053\u53ef\u4f5c\u4e3a\u8de8\u7f51\u6bb5\u7684 \u201c\u6865\u6881\u201d\u3002\u4f8b\u5982：<\/p>\n
- \n
- \u653b\u51fb\u8005\u5df2\u63a7\u5236 DMZ \u533a\u7684\u670d\u52a1\u5668，\u53ef\u901a\u8fc7\u8be5\u670d\u52a1\u5668\u5efa\u7acb TCP \u96a7\u9053，\u5c06\u6838\u5fc3\u4e1a\u52a1\u533a\u7684\u6570\u636e\u5e93\u7aef\u53e3（3306）\u6d41\u91cf\u8f6c\u53d1\u5230 DMZ \u533a，\u5b9e\u73b0\u5bf9\u6838\u5fc3\u533a\u7684\u6a2a\u5411\u8bbf\u95ee\u3002<\/li>\n<\/ul>\n
\u4e94\u3001\u5de5\u5177<\/h4>\n
\u5728\u4f20\u8f93\u5c42\u96a7\u9053\u6280\u672f\u4e2d，\u5de5\u5177\u6ca1\u6709\u592a\u591a\u7684\u5206\u7c7b，\u4e3b\u8981\u6709\u7aef\u53e3\u8f6c\u53d1\u5de5\u5177，\u5176\u5b83\u7684\u5de5\u5177\u90fd\u80fd\u591f\u5229\u7528TCP\u3001UDP\u534f\u8bae\u3002\u8fd9\u91cc\u5de5\u5177\u4e3b\u8981\u6709lcx\u7aef\u53e3\u8f6c\u53d1\u5de5\u5177，netcat\u5de5\u5177，\u4ee5\u53caPowerCat\u5de5\u5177\u3002\u8fd9\u4e9b\u5de5\u5177\u7684\u5b89\u88c5，\u4f7f\u7528，\u6211\u4eec\u4f1a\u5728\u4e0b\u4e00\u7bc7\u6587\u7ae0\u8fdb\u884c\u8bb2\u89e3\u3002<\/p><\/p>\n","protected":false},"excerpt":{"rendered":"
\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb156\u6b21\uff0c\u70b9\u8d5e6\u6b21\uff0c\u6536\u85cf2\u6b21\u3002\u4e3b\u8981\u4ecb\u7ecd\u4f20\u8f93\u5c42\u96a7\u9053\u6280\u672f\u76f8\u5173\u77e5\u8bc6\u70b9<\/p>\n","protected":false},"author":2,"featured_media":58219,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[1047,122,6133],"topic":[],"class_list":["post-58220","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-1047","tag-122","tag-6133"],"yoast_head":"\n
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