{"id":16974,"date":"2024-11-18T11:58:22","date_gmt":"2024-11-18T03:58:22","guid":{"rendered":"https:\/\/fwq.ai\/blog\/16974\/"},"modified":"2024-11-18T11:58:22","modified_gmt":"2024-11-18T03:58:22","slug":"%e4%bf%9d%e6%8c%81%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%ae%89%e5%85%a8%e7%9a%8410%e4%b8%aa%e5%bf%85%e5%a4%87linux%e5%91%bd%e4%bb%a4","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/16974\/","title":{"rendered":"\u4fdd\u6301\u670d\u52a1\u5668\u5b89\u5168\u768410\u4e2a\u5fc5\u5907Linux\u547d\u4ee4"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/000\/000\/164\/169424544648336.jpg\" class=\"aligncenter\" title=\"\u4fdd\u6301\u670d\u52a1\u5668\u5b89\u5168\u768410\u4e2a\u5fc5\u5907Linux\u547d\u4ee4\u63d2\u56fe\" alt=\"\u4fdd\u6301\u670d\u52a1\u5668\u5b89\u5168\u768410\u4e2a\u5fc5\u5907Linux\u547d\u4ee4\u63d2\u56fe\" \/><\/p>\n<p>\u4fdd\u6301\u670d\u52a1\u5668\u5b89\u5168\u768410\u4e2a\u5fc5\u5907Linux\u547d\u4ee4<\/p>\n<p>\u4f5c\u4e3a\u4e00\u540d\u670d\u52a1\u5668\u7ba1\u7406\u5458\uff0c\u786e\u4fdd\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002Linux\u4f5c\u4e3a\u4e00\u4e2a\u5f00\u6e90\u64cd\u4f5c\u7cfb\u7edf\uff0c\u5728\u5b89\u5168\u65b9\u9762\u6709\u7740\u8bf8\u591a\u7279\u6027\u548c\u5de5\u5177\u3002\u672c\u6587\u5c06\u4ecb\u7ecd10\u4e2a\u5fc5\u5907\u7684Linux\u547d\u4ee4\u4ee5\u5e2e\u52a9\u60a8\u4fdd\u6301\u670d\u52a1\u5668\u7684\u5b89\u5168\u3002<\/p>\n<ol>\n<li>passwd\u547d\u4ee4\uff1a\u6539\u53d8\u7528\u6237\u5bc6\u7801<\/li>\n<\/ol>\n<p>\u4e3a\u4e86\u4fdd\u62a4\u670d\u52a1\u5668\u7684\u5b89\u5168\uff0c\u5b9a\u671f\u66f4\u6539\u5bc6\u7801\u662f\u5fc5\u8981\u7684\u3002\u53ef\u4ee5\u4f7f\u7528passwd\u547d\u4ee4\u6765\u66f4\u6539\u7528\u6237\u5bc6\u7801\u3002<\/p>\n<pre>$ passwd<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ol>\n<li>su\u547d\u4ee4\uff1a\u5207\u6362\u7528\u6237\u8eab\u4efd<\/li>\n<\/ol>\n<p>\u4f7f\u7528su\u547d\u4ee4\u53ef\u4ee5\u5728\u4e0d\u767b\u51fa\u5f53\u524d\u7528\u6237\u7684\u60c5\u51b5\u4e0b\u5207\u6362\u5230\u5176\u4ed6\u7528\u6237\u8eab\u4efd\u3002\u8fd9\u5bf9\u4e8e\u9650\u5236\u7528\u6237\u8bbf\u95ee\u6743\u9650\u6216\u6267\u884c\u7279\u5b9a\u4efb\u52a1\u975e\u5e38\u6709\u7528\u3002<\/p>\n<pre>$ su - username<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ol>\n<li>chmod\u547d\u4ee4\uff1a\u4fee\u6539\u6587\u4ef6\u6743\u9650<\/li>\n<\/ol>\n<p>\u4fdd\u62a4\u654f\u611f\u6587\u4ef6\u548c\u76ee\u5f55\u7684\u6743\u9650\u662f\u975e\u5e38\u5173\u952e\u7684\u3002chmod\u547d\u4ee4\u53ef\u4ee5\u7528\u6765\u4fee\u6539\u6587\u4ef6\u6216\u76ee\u5f55\u7684\u6743\u9650\uff0c\u4ee5\u9650\u5236\u5bf9\u5176\u8bbf\u95ee\u3002<\/p>\n<pre>$ chmod 600 \/path\/to\/file\n$ chmod 700 \/path\/to\/directory<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ol>\n<li>chown\u547d\u4ee4\uff1a\u4fee\u6539\u6587\u4ef6\u6240\u6709\u8005<\/li>\n<\/ol>\n<p>chown\u547d\u4ee4\u53ef\u4ee5\u7528\u6765\u4fee\u6539\u6587\u4ef6\u6216\u76ee\u5f55\u7684\u6240\u6709\u8005\u3002\u786e\u4fdd\u53ea\u6709\u6388\u6743\u7684\u7528\u6237\u53ef\u4ee5\u4fee\u6539\u654f\u611f\u6587\u4ef6\u3002<\/p>\n<pre>$ chown owner:group \/path\/to\/file<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ol>\n<li>iptables\u547d\u4ee4\uff1a\u914d\u7f6e\u9632\u706b\u5899\u89c4\u5219<\/li>\n<\/ol>\n<p>iptables\u547d\u4ee4\u7528\u4e8e\u914d\u7f6eLinux\u7cfb\u7edf\u7684\u9632\u706b\u5899\u89c4\u5219\uff0c\u53ef\u4ee5\u9650\u5236\u7f51\u7edc\u8bbf\u95ee\u5e76\u63d0\u9ad8\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u3002<\/p>\n<pre>$ iptables -A INPUT -p tcp --dport 22 -j DROP<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ol>\n<li>fail2ban\u547d\u4ee4\uff1a\u9632\u6b62\u66b4\u529b\u7834\u89e3<\/li>\n<\/ol>\n<p>fail2ban\u662f\u4e00\u4e2a\u7528\u4e8e\u4fdd\u62a4\u670d\u52a1\u5668\u514d\u53d7\u66b4\u529b\u7834\u89e3\u7684\u5de5\u5177\u3002\u5b83\u4f1a\u76d1\u89c6\u767b\u5f55\u65e5\u5fd7\u6587\u4ef6\uff0c\u5e76\u5728\u68c0\u6d4b\u5230\u591a\u6b21\u5931\u8d25\u767b\u5f55\u5c1d\u8bd5\u65f6\u6682\u65f6\u7981\u6b62\u76f8\u5173IP\u7684\u8bbf\u95ee\u3002<\/p>\n<pre>$ sudo apt-get install fail2ban<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ol>\n<li>logrotate\u547d\u4ee4\uff1a\u65e5\u5fd7\u8f6e\u8f6c<\/li>\n<\/ol>\n<p>\u65e5\u5fd7\u6587\u4ef6\u53ef\u4ee5\u5360\u7528\u5927\u91cf\u78c1\u76d8\u7a7a\u95f4\uff0c\u56e0\u6b64\u4f7f\u7528logrotate\u547d\u4ee4\u5bf9\u65e5\u5fd7\u8fdb\u884c\u5b9a\u671f\u8f6e\u8f6c\u662f\u5f88\u6709\u5fc5\u8981\u7684\u3002<\/p>\n<pre>$ sudo logrotate \/etc\/logrotate.conf<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ol>\n<li>netstat\u547d\u4ee4\uff1a\u67e5\u770b\u7f51\u7edc\u8fde\u63a5\u72b6\u6001<\/li>\n<\/ol>\n<p>\u4f7f\u7528netstat\u547d\u4ee4\u53ef\u4ee5\u67e5\u770b\u5f53\u524d\u670d\u52a1\u5668\u4e0a\u7684\u7f51\u7edc\u8fde\u63a5\u548c\u7aef\u53e3\u72b6\u6001\u3002\u8fd9\u6709\u52a9\u4e8e\u53d1\u73b0\u5f02\u5e38\u7684\u7f51\u7edc\u6d3b\u52a8\u3002<\/p>\n<pre>$ netstat -tuln<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ol>\n<li>find\u547d\u4ee4\uff1a\u67e5\u627e\u6587\u4ef6<\/li>\n<\/ol>\n<p>\u4f7f\u7528find\u547d\u4ee4\u53ef\u4ee5\u67e5\u627e\u670d\u52a1\u5668\u4e0a\u7684\u6587\u4ef6\uff0c\u5e76\u8fdb\u884c\u5404\u79cd\u64cd\u4f5c\u3002\u8fd9\u5bf9\u4e8e\u67e5\u627e\u6f5c\u5728\u7684\u5b89\u5168\u95ee\u9898\u6216\u6076\u610f\u6587\u4ef6\u975e\u5e38\u6709\u7528\u3002<\/p>\n<pre>$ find \/path\/to\/search -name \"filename\"<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ol>\n<li>ssh\u547d\u4ee4\uff1a\u5b89\u5168\u8fdc\u7a0b\u767b\u5f55<\/li>\n<\/ol>\n<p>ssh\u662f\u4e00\u79cd\u5b89\u5168\u7684\u8fdc\u7a0b\u767b\u5f55\u534f\u8bae\uff0c\u80fd\u591f\u5efa\u7acb\u52a0\u5bc6\u7684\u8fde\u63a5\u3002\u786e\u4fdd\u53ea\u6709\u6388\u6743\u7684\u7528\u6237\u80fd\u591f\u901a\u8fc7ssh\u767b\u5f55\u670d\u52a1\u5668\u3002<\/p>\n<pre>$ ssh user@hostname<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u901a\u8fc7\u4f7f\u7528\u8fd9\u4e9bLinux\u547d\u4ee4\uff0c\u60a8\u53ef\u4ee5\u589e\u5f3a\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\uff0c\u5e76\u6709\u6548\u5730\u4fdd\u62a4\u670d\u52a1\u5668\u514d\u53d7\u6f5c\u5728\u7684\u5b89\u5168\u5a01\u80c1\u3002\u7136\u800c\uff0c\u8fd9\u4e9b\u53ea\u662f\u4e00\u4e9b\u57fa\u7840\u547d\u4ee4\uff0c\u5176\u4ed6\u5b89\u5168\u63aa\u65bd\uff08\u5982\u4f7f\u7528\u5b89\u5168\u8f6f\u4ef6\u3001\u5b9a\u671f\u66f4\u65b0\u7cfb\u7edf\u7b49\uff09\u540c\u6837\u91cd\u8981\u3002<\/p>\n<p>\u603b\u7ed3<br \/>\u672c\u6587\u4ecb\u7ecd\u4e8610\u4e2a\u5fc5\u5907\u7684Linux\u547d\u4ee4\u4ee5\u5e2e\u52a9\u4fdd\u6301\u670d\u52a1\u5668\u7684\u5b89\u5168\u3002\u4ece\u66f4\u6539\u5bc6\u7801\u5230\u914d\u7f6e\u9632\u706b\u5899\u89c4\u5219\uff0c\u8fd9\u4e9b\u547d\u4ee4\u90fd\u662f\u4fdd\u62a4\u670d\u52a1\u5668\u7684\u91cd\u8981\u5de5\u5177\u3002\u901a\u8fc7\u8c28\u614e\u4f7f\u7528\u8fd9\u4e9b\u547d\u4ee4\uff0c\u60a8\u53ef\u4ee5\u63d0\u9ad8\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\uff0c\u5e76\u4fdd\u62a4\u670d\u52a1\u5668\u514d\u53d7\u6f5c\u5728\u7684\u5b89\u5168\u5a01\u80c1\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u4fdd\u6301\u670d\u52a1\u5668\u5b89\u5168\u768410\u4e2a\u5fc5\u5907Linux\u547d\u4ee4\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4fdd\u6301\u670d\u52a1\u5668\u5b89\u5168\u768410\u4e2a\u5fc5\u5907Linux\u547d\u4ee4 \u4f5c\u4e3a\u4e00\u540d\u670d\u52a1\u5668\u7ba1\u7406\u5458\uff0c\u786e\u4fdd\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002Linux\u4f5c\u4e3a\u4e00\u4e2a\u5f00\u6e90\u64cd\u4f5c\u7cfb\u7edf\uff0c\u5728\u5b89\u5168\u65b9\u9762\u6709\u7740\u8bf8\u591a\u7279\u6027\u548c\u5de5\u5177\u3002\u672c\u6587\u5c06\u4ecb\u7ecd10\u4e2a\u5fc5\u5907\u7684Linux\u547d\u4ee4\u4ee5\u5e2e\u52a9\u60a8\u4fdd\u6301\u670d\u52a1\u5668\u7684\u5b89\u5168\u3002 passwd\u547d\u4ee4\uff1a\u6539\u53d8\u7528\u6237\u5bc6\u7801 \u4e3a\u4e86\u4fdd\u62a4\u670d\u52a1\u5668\u7684\u5b89\u5168\uff0c\u5b9a\u671f\u66f4\u6539\u5bc6\u7801\u662f\u5fc5\u8981\u7684\u3002\u53ef\u4ee5\u4f7f\u7528passwd\u547d\u4ee4\u6765\u66f4\u6539\u7528\u6237\u5bc6\u7801\u3002 $ passwd \u767b\u5f55\u540e\u590d\u5236 su\u547d\u4ee4\uff1a\u5207\u6362\u7528\u6237\u8eab\u4efd \u4f7f\u7528su\u547d\u4ee4\u53ef\u4ee5\u5728\u4e0d\u767b\u51fa\u5f53\u524d\u7528\u6237\u7684\u60c5\u51b5\u4e0b\u5207\u6362\u5230\u5176\u4ed6\u7528\u6237\u8eab\u4efd\u3002\u8fd9\u5bf9\u4e8e\u9650\u5236\u7528\u6237\u8bbf\u95ee\u6743\u9650\u6216\u6267\u884c\u7279\u5b9a\u4efb\u52a1\u975e\u5e38\u6709\u7528\u3002 $ su &#8211; username \u767b\u5f55\u540e\u590d\u5236 chmod\u547d\u4ee4\uff1a\u4fee\u6539\u6587\u4ef6\u6743\u9650 \u4fdd\u62a4\u654f\u611f\u6587\u4ef6\u548c\u76ee\u5f55\u7684\u6743\u9650\u662f\u975e\u5e38\u5173\u952e\u7684\u3002chmod\u547d\u4ee4\u53ef\u4ee5\u7528\u6765\u4fee\u6539\u6587\u4ef6\u6216\u76ee\u5f55\u7684\u6743\u9650\uff0c\u4ee5\u9650\u5236\u5bf9\u5176\u8bbf\u95ee\u3002 $ chmod 600 \/path\/to\/file $ chmod 700 \/path\/to\/directory \u767b\u5f55\u540e\u590d\u5236 chown\u547d\u4ee4\uff1a\u4fee\u6539\u6587\u4ef6\u6240\u6709\u8005 chown\u547d\u4ee4\u53ef\u4ee5\u7528\u6765\u4fee\u6539\u6587\u4ef6\u6216\u76ee\u5f55\u7684\u6240\u6709\u8005\u3002\u786e\u4fdd\u53ea\u6709\u6388\u6743\u7684\u7528\u6237\u53ef\u4ee5\u4fee\u6539\u654f\u611f\u6587\u4ef6\u3002 $ chown owner:group \/path\/to\/file \u767b\u5f55\u540e\u590d\u5236 iptables\u547d\u4ee4\uff1a\u914d\u7f6e\u9632\u706b\u5899\u89c4\u5219 iptables\u547d\u4ee4\u7528\u4e8e\u914d\u7f6eLinux\u7cfb\u7edf\u7684\u9632\u706b\u5899\u89c4\u5219\uff0c\u53ef\u4ee5\u9650\u5236\u7f51\u7edc\u8bbf\u95ee\u5e76\u63d0\u9ad8\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u3002 $ iptables -A INPUT -p tcp &#8211;dport 22 -j DROP \u767b\u5f55\u540e\u590d\u5236 fail2ban\u547d\u4ee4\uff1a\u9632\u6b62\u66b4\u529b\u7834\u89e3 fail2ban\u662f\u4e00\u4e2a\u7528\u4e8e\u4fdd\u62a4\u670d\u52a1\u5668\u514d\u53d7\u66b4\u529b\u7834\u89e3\u7684\u5de5\u5177\u3002\u5b83\u4f1a\u76d1\u89c6\u767b\u5f55\u65e5\u5fd7\u6587\u4ef6\uff0c\u5e76\u5728\u68c0\u6d4b\u5230\u591a\u6b21\u5931\u8d25\u767b\u5f55\u5c1d\u8bd5\u65f6\u6682\u65f6\u7981\u6b62\u76f8\u5173IP\u7684\u8bbf\u95ee\u3002 $ sudo apt-get install fail2ban \u767b\u5f55\u540e\u590d\u5236 logrotate\u547d\u4ee4\uff1a\u65e5\u5fd7\u8f6e\u8f6c \u65e5\u5fd7\u6587\u4ef6\u53ef\u4ee5\u5360\u7528\u5927\u91cf\u78c1\u76d8\u7a7a\u95f4\uff0c\u56e0\u6b64\u4f7f\u7528logrotate\u547d\u4ee4\u5bf9\u65e5\u5fd7\u8fdb\u884c\u5b9a\u671f\u8f6e\u8f6c\u662f\u5f88\u6709\u5fc5\u8981\u7684\u3002 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-16974","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/16974","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=16974"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/16974\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=16974"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=16974"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=16974"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}