{"id":18802,"date":"2025-04-19T01:11:59","date_gmt":"2025-04-18T17:11:59","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/18802.html"},"modified":"2025-04-19T01:11:59","modified_gmt":"2025-04-18T17:11:59","slug":"%e6%90%ad%e5%bb%ba%e4%b8%80%e4%b8%aa%e8%b7%b3%e6%9d%bf%e6%9c%8d%e5%8a%a1%e5%99%a8%e7%9a%84%e5%85%a8%e8%bf%87%e7%a8%8b","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/18802.html","title":{"rendered":"\u642d\u5efa\u4e00\u4e2a\u8df3\u677f\u670d\u52a1\u5668\u7684\u5168\u8fc7\u7a0b"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418171158-680287de24b0b.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<\/p>\n<h4>\u76ee\u5f55<\/h4>\n<ul>\n<li>**\u4e00\u3001\u8df3\u677f\u673a\u7684\u4f5c\u7528**<\/li>\n<li>**\u4e8c\u3001\u642d\u5efa\u670d\u52a1\u5668\u8df3\u677f&#xff08;Jump Server&#xff09;**<\/li>\n<li>\n<ul>\n<li>**1. \u670d\u52a1\u5668\u67b6\u6784**<\/li>\n<li>**2. \u914d\u7f6e\u8df3\u677f\u673a&#xff08;Jump Server&#xff09;**<\/li>\n<li>\n<ul>\n<li>**&#xff08;1&#xff09;\u5b89\u88c5 OpenSSH \u670d\u52a1\u5668**<\/li>\n<li>**&#xff08;2&#xff09;\u521b\u5efa\u8df3\u677f\u673a\u7528\u6237**<\/li>\n<\/ul>\n<\/li>\n<li>**3. \u914d\u7f6e SSH \u514d\u5bc6\u767b\u5f55**<\/li>\n<li>\n<ul>\n<li>**&#xff08;1&#xff09;\u5728\u5ba2\u6237\u7aef\u751f\u6210 SSH Key**<\/li>\n<li>**&#xff08;2&#xff09;\u4ece\u8df3\u677f\u673a\u8fde\u63a5\u76ee\u6807\u670d\u52a1\u5668**<\/li>\n<\/ul>\n<\/li>\n<li>**4. \u4f7f\u7528 SSH Proxy \u4f5c\u4e3a\u8df3\u677f**<\/li>\n<li>\n<ul>\n<li>**&#xff08;1&#xff09;\u76f4\u63a5\u901a\u8fc7 SSH \u8df3\u677f\u8bbf\u95ee\u76ee\u6807\u670d\u52a1\u5668**<\/li>\n<\/ul>\n<\/li>\n<li>**5. \u8bb0\u5f55 SSH \u767b\u5f55\u65e5\u5fd7**<\/li>\n<li>\n<ul>\n<li>**&#xff08;1&#xff09;\u542f\u7528 SSH \u767b\u5f55\u65e5\u5fd7**<\/li>\n<li>**&#xff08;2&#xff09;\u8bb0\u5f55\u7528\u6237\u547d\u4ee4**<\/li>\n<\/ul>\n<\/li>\n<li>**6. \u9650\u5236\u8df3\u677f\u673a\u8bbf\u95ee\u6743\u9650**<\/li>\n<li>\n<ul>\n<li>**&#xff08;1&#xff09;\u53ea\u5141\u8bb8\u6307\u5b9a\u7528\u6237\u4f7f\u7528\u8df3\u677f**<\/li>\n<li>**&#xff08;2&#xff09;\u4f7f\u7528\u9632\u706b\u5899\u9650\u5236\u8bbf\u95ee**<\/li>\n<li>**&#xff08;3&#xff09;\u542f\u7528 Fail2Ban \u4fdd\u62a4 SSH**<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>**\u4e03\u3001\u603b\u7ed3**<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418171158-680287de4cee1.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<hr \/>\n<h2>\u4e00\u3001\u8df3\u677f\u673a\u7684\u4f5c\u7528<\/h2>\n<li>\u5b89\u5168\u8bbf\u95ee&#xff1a;\u5916\u90e8\u7528\u6237\u4e0d\u80fd\u76f4\u63a5\u8bbf\u95ee\u5185\u90e8\u670d\u52a1\u5668&#xff0c;\u5fc5\u987b\u901a\u8fc7\u8df3\u677f\u673a\u8fdb\u884c\u8fde\u63a5\u3002<\/li>\n<li>\u6743\u9650\u63a7\u5236&#xff1a;\u9650\u5236\u8c01\u53ef\u4ee5\u8bbf\u95ee\u54ea\u4e9b\u670d\u52a1\u5668&#xff0c;\u5e76\u8fdb\u884c\u65e5\u5fd7\u5ba1\u8ba1\u3002<\/li>\n<li>\u9632\u6b62\u76f4\u63a5\u66b4\u9732&#xff1a;\u6838\u5fc3\u670d\u52a1\u5668\u4e0d\u4f1a\u76f4\u63a5\u66b4\u9732\u5728\u516c\u7f51&#xff0c;\u964d\u4f4e\u653b\u51fb\u9762\u3002<\/li>\n<hr \/>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418171158-680287de71711.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h2>\u4e8c\u3001\u642d\u5efa\u670d\u52a1\u5668\u8df3\u677f&#xff08;Jump Server&#xff09;<\/h2>\n<p>\u672c\u65b9\u6848\u57fa\u4e8e Linux&#xff08;Ubuntu 20.04 \/ CentOS 7&#xff09; \u642d\u5efa SSH \u8df3\u677f\u673a&#xff0c;\u5177\u4f53\u6b65\u9aa4\u5982\u4e0b&#xff1a;<\/p>\n<h3>1. \u670d\u52a1\u5668\u67b6\u6784<\/h3>\n<p>\u5047\u8bbe\u73af\u5883\u5982\u4e0b&#xff1a;<\/p>\n<ul>\n<li>\u8df3\u677f\u673a&#xff08;Jump Server&#xff09;&#xff1a;\u516c\u7f51 IP 192.168.1.100<\/li>\n<li>\u76ee\u6807\u670d\u52a1\u5668&#xff08;Target Server&#xff09;&#xff1a;\u5185\u7f51 IP 10.0.0.10<\/li>\n<li>\u5ba2\u6237\u7aef&#xff08;User&#xff09;&#xff1a;IP 203.0.113.50<\/li>\n<\/ul>\n<p>\u8bbf\u95ee\u6d41\u7a0b&#xff1a;<\/p>\n<li>\u7528\u6237\u5148\u8fde\u63a5\u8df3\u677f\u673a&#xff08;\u516c\u7f51 IP&#xff09;<\/li>\n<li>\u518d\u4ece\u8df3\u677f\u673a\u8fde\u63a5\u5230\u5185\u7f51\u670d\u52a1\u5668&#xff08;\u76ee\u6807\u670d\u52a1\u5668&#xff09;<\/li>\n<hr \/>\n<h3>2. \u914d\u7f6e\u8df3\u677f\u673a&#xff08;Jump Server&#xff09;<\/h3>\n<h4>&#xff08;1&#xff09;\u5b89\u88c5 OpenSSH \u670d\u52a1\u5668<\/h4>\n<p>\u5728\u8df3\u677f\u673a&#xff08;Jump Server&#xff09;\u4e0a&#xff0c;\u786e\u4fdd OpenSSH \u670d\u52a1\u5668\u5df2\u5b89\u88c5&#xff1a;<\/p>\n<p><span class=\"token function\">sudo<\/span> <span class=\"token function\">apt<\/span> update <span class=\"token operator\">&amp;&amp;<\/span> <span class=\"token function\">sudo<\/span> <span class=\"token function\">apt<\/span> <span class=\"token function\">install<\/span> <span class=\"token parameter variable\">-y<\/span> openssh-server<\/p>\n<p>\u68c0\u67e5 SSH \u670d\u52a1\u72b6\u6001&#xff1a;<\/p>\n<p><span class=\"token function\">sudo<\/span> systemctl status <span class=\"token function\">ssh<\/span><\/p>\n<h4>&#xff08;2&#xff09;\u521b\u5efa\u8df3\u677f\u673a\u7528\u6237<\/h4>\n<p>\u5728\u8df3\u677f\u673a\u4e0a\u521b\u5efa\u4e13\u7528\u7528\u6237&#xff0c;\u5e76\u8bbe\u7f6e\u5f3a\u5bc6\u7801&#xff1a;<\/p>\n<p><span class=\"token function\">sudo<\/span> adduser jumpuser<br \/>\n<span class=\"token function\">sudo<\/span> <span class=\"token function\">passwd<\/span> jumpuser<\/p>\n<p>\u9650\u5236 root \u767b\u5f55&#xff1a; \u7f16\u8f91 \/etc\/ssh\/sshd_config&#xff1a;<\/p>\n<p>PermitRootLogin no<br \/>\nAllowUsers jumpuser<\/p>\n<p>\u7136\u540e\u91cd\u542f SSH \u670d\u52a1&#xff1a;<\/p>\n<p><span class=\"token function\">sudo<\/span> systemctl restart <span class=\"token function\">ssh<\/span><\/p>\n<hr \/>\n<h3>3. \u914d\u7f6e SSH \u514d\u5bc6\u767b\u5f55<\/h3>\n<p>\u4e3a\u4fbf\u6377\u7ba1\u7406&#xff0c;\u6211\u4eec\u4f7f\u7528 SSH Key \u8ba4\u8bc1\u6765\u51cf\u5c11\u5bc6\u7801\u8f93\u5165&#xff0c;\u5e76\u63d0\u9ad8\u5b89\u5168\u6027\u3002<\/p>\n<h4>&#xff08;1&#xff09;\u5728\u5ba2\u6237\u7aef\u751f\u6210 SSH Key<\/h4>\n<p>\u5728 \u5ba2\u6237\u7aef&#xff08;User&#xff09; \u673a\u5668\u4e0a&#xff0c;\u751f\u6210 SSH \u5bc6\u94a5&#xff1a;<\/p>\n<p>ssh-keygen <span class=\"token parameter variable\">-t<\/span> rsa <span class=\"token parameter variable\">-b<\/span> <span class=\"token number\">4096<\/span> <span class=\"token parameter variable\">-f<\/span> ~\/.ssh\/jump_key<\/p>\n<p>\u7136\u540e&#xff0c;\u5c06\u516c\u94a5\u62f7\u8d1d\u5230\u8df3\u677f\u673a&#xff1a;<\/p>\n<p>ssh-copy-id <span class=\"token parameter variable\">-i<\/span> ~\/.ssh\/jump_key.pub jumpuser&#064;192.168.1.100<\/p>\n<p>\u6d4b\u8bd5\u662f\u5426\u53ef\u4ee5\u65e0\u5bc6\u7801 SSH \u767b\u5f55&#xff1a;<\/p>\n<p><span class=\"token function\">ssh<\/span> <span class=\"token parameter variable\">-i<\/span> ~\/.ssh\/jump_key jumpuser&#064;192.168.1.100<\/p>\n<p>\u5982\u679c\u6210\u529f&#xff0c;\u5219\u8868\u660e SSH Key \u8ba4\u8bc1\u5df2\u6b63\u786e\u914d\u7f6e\u3002<\/p>\n<h4>&#xff08;2&#xff09;\u4ece\u8df3\u677f\u673a\u8fde\u63a5\u76ee\u6807\u670d\u52a1\u5668<\/h4>\n<p>\u5728 \u8df3\u677f\u673a&#xff08;Jump Server&#xff09; \u4e0a&#xff0c;\u914d\u7f6e\u514d\u5bc6 SSH \u767b\u5f55 \u76ee\u6807\u670d\u52a1\u5668&#xff08;10.0.0.10&#xff09;&#xff1a;<\/p>\n<p>ssh-keygen <span class=\"token parameter variable\">-t<\/span> rsa <span class=\"token parameter variable\">-b<\/span> <span class=\"token number\">4096<\/span> <span class=\"token parameter variable\">-f<\/span> ~\/.ssh\/jump_key<br \/>\nssh-copy-id <span class=\"token parameter variable\">-i<\/span> ~\/.ssh\/jump_key.pub user&#064;10.0.0.10<\/p>\n<p>\u7136\u540e\u6d4b\u8bd5&#xff1a;<\/p>\n<p><span class=\"token function\">ssh<\/span> <span class=\"token parameter variable\">-i<\/span> ~\/.ssh\/jump_key user&#064;10.0.0.10<\/p>\n<hr \/>\n<h3>4. \u4f7f\u7528 SSH Proxy \u4f5c\u4e3a\u8df3\u677f<\/h3>\n<h4>&#xff08;1&#xff09;\u76f4\u63a5\u901a\u8fc7 SSH \u8df3\u677f\u8bbf\u95ee\u76ee\u6807\u670d\u52a1\u5668<\/h4>\n<p>\u5728 \u5ba2\u6237\u7aef \u4e0a&#xff0c;\u4f7f\u7528 ProxyJump \u76f4\u63a5\u8fde\u63a5\u76ee\u6807\u670d\u52a1\u5668&#xff1a;<\/p>\n<p><span class=\"token function\">ssh<\/span> <span class=\"token parameter variable\">-J<\/span> jumpuser&#064;192.168.1.100 user&#064;10.0.0.10<\/p>\n<p>\u5982\u679c\u4e0d\u652f\u6301 -J&#xff0c;\u53ef\u4ee5\u4f7f\u7528 ProxyCommand&#xff1a;<\/p>\n<p><span class=\"token function\">ssh<\/span> <span class=\"token parameter variable\">-o<\/span> <span class=\"token assign-left variable\">ProxyCommand<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;ssh -W %h:%p jumpuser&#064;192.168.1.100&#034;<\/span> user&#064;10.0.0.10<\/p>\n<p>\u53ef\u4ee5\u5c06\u5176\u6dfb\u52a0\u5230 ~\/.ssh\/config \u65b9\u4fbf\u7ba1\u7406&#xff1a;<\/p>\n<p>Host target_server<br \/>\n    HostName <span class=\"token number\">10.0<\/span>.0.10<br \/>\n    User user<br \/>\n    ProxyJump jumpuser&#064;192.168.1.100<br \/>\n    IdentityFile ~\/.ssh\/jump_key<\/p>\n<p>\u7136\u540e\u76f4\u63a5\u4f7f\u7528&#xff1a;<\/p>\n<p><span class=\"token function\">ssh<\/span> target_server<\/p>\n<hr \/>\n<h3>5. \u8bb0\u5f55 SSH \u767b\u5f55\u65e5\u5fd7<\/h3>\n<p>\u4e3a\u4e86\u5b89\u5168\u5ba1\u8ba1&#xff0c;\u6211\u4eec\u8bb0\u5f55\u6240\u6709\u7528\u6237\u7684 SSH \u8bbf\u95ee\u65e5\u5fd7\u3002<\/p>\n<h4>&#xff08;1&#xff09;\u542f\u7528 SSH \u767b\u5f55\u65e5\u5fd7<\/h4>\n<p>\u4fee\u6539 \/etc\/rsyslog.conf&#xff0c;\u786e\u4fdd\u542f\u7528 authpriv \u65e5\u5fd7&#xff1a;<\/p>\n<p>authpriv.*    \/var\/log\/secure<\/p>\n<p>\u7136\u540e\u91cd\u542f rsyslog&#xff1a;<\/p>\n<p><span class=\"token function\">sudo<\/span> systemctl restart rsyslog<\/p>\n<p>\u67e5\u770b SSH \u767b\u5f55\u65e5\u5fd7&#xff1a;<\/p>\n<p><span class=\"token function\">sudo<\/span> <span class=\"token function\">tail<\/span> <span class=\"token parameter variable\">-f<\/span> \/var\/log\/auth.log   <span class=\"token comment\"># Ubuntu<\/span><br \/>\n<span class=\"token function\">sudo<\/span> <span class=\"token function\">tail<\/span> <span class=\"token parameter variable\">-f<\/span> \/var\/log\/secure     <span class=\"token comment\"># CentOS<\/span><\/p>\n<h4>&#xff08;2&#xff09;\u8bb0\u5f55\u7528\u6237\u547d\u4ee4<\/h4>\n<p>\u5728 \/etc\/bash.bashrc \u6216 \/etc\/profile \u4e2d\u6dfb\u52a0&#xff1a;<\/p>\n<p><span class=\"token builtin class-name\">export<\/span> <span class=\"token assign-left variable\"><span class=\"token environment constant\">HISTFILE<\/span><\/span><span class=\"token operator\">&#061;<\/span>\/var\/log\/jumpserver_history.log<br \/>\n<span class=\"token builtin class-name\">export<\/span> <span class=\"token assign-left variable\">PROMPT_COMMAND<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;history -a&#039;<\/span><\/p>\n<p>\u8fd9\u6837&#xff0c;\u6240\u6709 SSH \u7528\u6237\u7684\u547d\u4ee4\u90fd\u4f1a\u8bb0\u5f55\u5230 \/var\/log\/jumpserver_history.log\u3002<\/p>\n<hr \/>\n<h3>6. \u9650\u5236\u8df3\u677f\u673a\u8bbf\u95ee\u6743\u9650<\/h3>\n<p>\u4e3a\u4e86\u589e\u5f3a\u5b89\u5168\u6027&#xff0c;\u6211\u4eec\u53ef\u4ee5\u9650\u5236\u8df3\u677f\u673a\u7684 SSH \u8bbf\u95ee\u884c\u4e3a\u3002<\/p>\n<h4>&#xff08;1&#xff09;\u53ea\u5141\u8bb8\u6307\u5b9a\u7528\u6237\u4f7f\u7528\u8df3\u677f<\/h4>\n<p>\u7f16\u8f91 \/etc\/ssh\/sshd_config&#xff1a;<\/p>\n<p>AllowUsers jumpuser<\/p>\n<p>\u7136\u540e\u91cd\u542f SSH&#xff1a;<\/p>\n<p><span class=\"token function\">sudo<\/span> systemctl restart <span class=\"token function\">ssh<\/span><\/p>\n<h4>&#xff08;2&#xff09;\u4f7f\u7528\u9632\u706b\u5899\u9650\u5236\u8bbf\u95ee<\/h4>\n<p>\u9650\u5236 SSH \u53ea\u80fd\u4ece\u7279\u5b9a IP \u767b\u5f55&#xff1a;<\/p>\n<p><span class=\"token function\">sudo<\/span> ufw allow from <span class=\"token number\">203.0<\/span>.113.50 to any port <span class=\"token number\">22<\/span><\/p>\n<p>\u5982\u679c\u4f7f\u7528 iptables&#xff1a;<\/p>\n<p><span class=\"token function\">sudo<\/span> iptables <span class=\"token parameter variable\">-A<\/span> INPUT <span class=\"token parameter variable\">-p<\/span> tcp <span class=\"token parameter variable\">&#8211;dport<\/span> <span class=\"token number\">22<\/span> <span class=\"token parameter variable\">-s<\/span> <span class=\"token number\">203.0<\/span>.113.50 <span class=\"token parameter variable\">-j<\/span> ACCEPT<br \/>\n<span class=\"token function\">sudo<\/span> iptables <span class=\"token parameter variable\">-A<\/span> INPUT <span class=\"token parameter variable\">-p<\/span> tcp <span class=\"token parameter variable\">&#8211;dport<\/span> <span class=\"token number\">22<\/span> <span class=\"token parameter variable\">-j<\/span> DROP<\/p>\n<h4>&#xff08;3&#xff09;\u542f\u7528 Fail2Ban \u4fdd\u62a4 SSH<\/h4>\n<p><span class=\"token function\">sudo<\/span> <span class=\"token function\">apt<\/span> <span class=\"token function\">install<\/span> fail2ban<br \/>\n<span class=\"token function\">sudo<\/span> systemctl <span class=\"token builtin class-name\">enable<\/span> fail2ban<\/p>\n<p>\u7f16\u8f91 \/etc\/fail2ban\/jail.local&#xff1a;<\/p>\n<p>[sshd]<br \/>\nenabled &#061; true<br \/>\nport &#061; 22<br \/>\nfilter &#061; sshd<br \/>\nlogpath &#061; \/var\/log\/auth.log<br \/>\nbantime &#061; 600<br \/>\nfindtime &#061; 300<br \/>\nmaxretry &#061; 5<\/p>\n<p>\u7136\u540e\u91cd\u542f&#xff1a;<\/p>\n<p><span class=\"token function\">sudo<\/span> systemctl restart fail2ban<\/p>\n<p>\u67e5\u770b\u5c01\u7981 IP&#xff1a;<\/p>\n<p><span class=\"token function\">sudo<\/span> fail2ban-client status sshd<\/p>\n<hr \/>\n<h2>\u4e03\u3001\u603b\u7ed3<\/h2>\n<p>\u672c\u6587\u4ecb\u7ecd\u4e86\u5b8c\u6574\u7684 \u670d\u52a1\u5668\u8df3\u677f&#xff08;Jump Server&#xff09; \u65b9\u6848&#xff0c;\u5305\u62ec&#xff1a;<\/p>\n<li>\u642d\u5efa SSH \u8df3\u677f\u673a<\/li>\n<li>\u914d\u7f6e SSH Key \u514d\u5bc6\u767b\u5f55<\/li>\n<li>\u4f7f\u7528 ProxyJump \u8bbf\u95ee\u76ee\u6807\u670d\u52a1\u5668<\/li>\n<li>\u8bb0\u5f55 SSH \u767b\u5f55\u65e5\u5fd7<\/li>\n<li>\u9650\u5236\u8bbf\u95ee\u6743\u9650&#xff0c;\u589e\u5f3a\u5b89\u5168\u6027<\/li>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb5k\u6b21\uff0c\u70b9\u8d5e181\u6b21\uff0c\u6536\u85cf28\u6b21\u3002\u672c\u6587\u4ecb\u7ecd\u4e86\u5b8c\u6574\u7684\u3002_\u8df3\u677f\u673a\u642d\u5efa<\/p>\n","protected":false},"author":2,"featured_media":18799,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[890,72,153,81,1430,847,43,44],"topic":[],"class_list":["post-18802","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-django","tag-fastapi","tag-flask","tag-python","tag-web3-py","tag-847","tag-43","tag-44"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ 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