{"id":62228,"date":"2025-04-29T11:16:25","date_gmt":"2025-04-29T03:16:25","guid":{"rendered":"https:\/\/fwq.ai\/blog\/62228\/"},"modified":"2025-04-29T11:16:25","modified_gmt":"2025-04-29T03:16:25","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8%e9%ba%92%e9%ba%9f%e6%93%8d%e4%bd%9c%e7%b3%bb%e7%bb%9f%e4%b8%8a%e8%bf%9b%e8%a1%8c%e7%b3%bb%e7%bb%9f%e7%9a%84%e5%ae%89%e5%85%a8%e5%8a%a0%e5%9b%ba%e5%92%8c%e9%98%b2%e6%8a%a4-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/62228\/","title":{"rendered":"\u5982\u4f55\u5728\u9e92\u9e9f\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u8fdb\u884c\u7cfb\u7edf\u7684\u5b89\u5168\u52a0\u56fa\u548c\u9632\u62a4\uff1f"},"content":{"rendered":"<p>\u5982\u4f55\u5728\u9e92\u9e9f\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u8fdb\u884c\u7cfb\u7edf\u7684\u5b89\u5168\u52a0\u56fa\u548c\u9632\u62a4\uff1f<\/p>\n<p>\u968f\u7740\u6280\u672f\u7684\u53d1\u5c55\u548c\u4e92\u8054\u7f51\u7684\u666e\u53ca\uff0c\u7cfb\u7edf\u7684\u5b89\u5168\u95ee\u9898\u53d8\u5f97\u8d8a\u6765\u8d8a\u91cd\u8981\u3002\u9e92\u9e9f\u64cd\u4f5c\u7cfb\u7edf\u662f\u4e2d\u56fd\u81ea\u4e3b\u7814\u53d1\u7684\u4e00\u6b3e\u64cd\u4f5c\u7cfb\u7edf\uff0c\u5177\u6709\u81ea\u4e3b\u53ef\u63a7\u7684\u7279\u70b9\u3002\u5728\u9e92\u9e9f\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u8fdb\u884c\u7cfb\u7edf\u7684\u5b89\u5168\u52a0\u56fa\u548c\u9632\u62a4\uff0c\u53ef\u4ee5\u6709\u6548\u4fdd\u62a4\u7528\u6237\u7684\u9690\u79c1\u548c\u4fe1\u606f\u5b89\u5168\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u5728\u9e92\u9e9f\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u8fdb\u884c\u7cfb\u7edf\u5b89\u5168\u52a0\u56fa\u548c\u9632\u62a4\u7684\u65b9\u6cd5\uff0c\u5e76\u63d0\u4f9b\u76f8\u5e94\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n<p>\u4e00\u3001\u66f4\u65b0\u7cfb\u7edf\u8865\u4e01<\/p>\n<p>\u53ca\u65f6\u66f4\u65b0\u7cfb\u7edf\u8865\u4e01\u662f\u4fdd\u6301\u7cfb\u7edf\u5b89\u5168\u7684\u57fa\u672c\u6b65\u9aa4\u3002\u4e0d\u8bba\u662fWindows\u3001Linux\u8fd8\u662f\u9e92\u9e9f\u64cd\u4f5c\u7cfb\u7edf\uff0c\u90fd\u4f1a\u4e0d\u5b9a\u671f\u53d1\u5e03\u5b89\u5168\u8865\u4e01\u6765\u4fee\u590d\u7cfb\u7edf\u6f0f\u6d1e\u3002\u56e0\u6b64\uff0c\u5b9a\u671f\u68c0\u67e5\u548c\u66f4\u65b0\u7cfb\u7edf\u8865\u4e01\u662f\u975e\u5e38\u5fc5\u8981\u7684\u3002<\/p>\n<p>\u5728\u9e92\u9e9f\u64cd\u4f5c\u7cfb\u7edf\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u6765\u66f4\u65b0\u7cfb\u7edf\u8865\u4e01\uff1a<\/p>\n<pre>sudo apt update\nsudo apt upgrade<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u4e8c\u3001\u5b89\u88c5\u9632\u706b\u5899<\/p>\n<p>\u9632\u706b\u5899\u662f\u7cfb\u7edf\u5b89\u5168\u7684\u7b2c\u4e00\u9053\u9632\u7ebf\uff0c\u80fd\u591f\u76d1\u63a7\u548c\u8fc7\u6ee4\u8fdb\u51fa\u7cfb\u7edf\u7684\u7f51\u7edc\u6d41\u91cf\uff0c\u9632\u6b62\u6076\u610f\u653b\u51fb\u548c\u975e\u6cd5\u8bbf\u95ee\u3002\u5728\u9e92\u9e9f\u64cd\u4f5c\u7cfb\u7edf\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528iptables\u547d\u4ee4\u6765\u8fdb\u884c\u9632\u706b\u5899\u7684\u8bbe\u7f6e\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u4ee3\u7801\u793a\u4f8b\uff0c\u7528\u4e8e\u8bbe\u7f6e\u9632\u706b\u5899\u89c4\u5219\uff1a<\/p>\n<pre># \u6e05\u7a7a\u5df2\u6709\u89c4\u5219\nsudo iptables -F\nsudo iptables -X\nsudo iptables -Z\n\n# \u5141\u8bb8\u76f8\u5173\u8fde\u63a5\nsudo iptables -A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT\nsudo iptables -A OUTPUT -m state --state RELATED,ESTABLISHED -j ACCEPT\n\n# \u5141\u8bb8\u672c\u5730\u56de\u73af\nsudo iptables -A INPUT -i lo -j ACCEPT\nsudo iptables -A OUTPUT -o lo -j ACCEPT\n\n# \u5141\u8bb8\u5e38\u7528\u670d\u52a1\nsudo iptables -A INPUT -p tcp --dport 22 -j ACCEPT   # \u5141\u8bb8SSH\nsudo iptables -A INPUT -p tcp --dport 80 -j ACCEPT   # \u5141\u8bb8HTTP\nsudo iptables -A INPUT -p tcp --dport 443 -j ACCEPT  # \u5141\u8bb8HTTPS\n\n# \u62d2\u7edd\u5176\u5b83\u8fde\u63a5\nsudo iptables -A INPUT -j DROP\nsudo iptables -A OUTPUT -j DROP<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u4ee5\u4e0a\u4ee3\u7801\u4e2d\u8bbe\u7f6e\u4e86\u5141\u8bb8\u5df2\u5efa\u7acb\u7684\u548c\u76f8\u5173\u7684\u8fde\u63a5\u3001\u672c\u5730\u56de\u73af\u4ee5\u53ca\u5e38\u7528\u7684SSH\u3001HTTP\u3001HTTPS\u670d\u52a1\uff0c\u800c\u5176\u5b83\u8fde\u63a5\u5219\u88ab\u62d2\u7edd\u3002<\/p>\n<p>\u4e09\u3001\u52a0\u5f3a\u7528\u6237\u8eab\u4efd\u9a8c\u8bc1\u63aa\u65bd<\/p>\n<p>\u7528\u6237\u8eab\u4efd\u9a8c\u8bc1\u662f\u9632\u6b62\u672a\u7ecf\u6388\u6743\u8bbf\u95ee\u7684\u91cd\u8981\u624b\u6bb5\u3002\u5728\u9e92\u9e9f\u64cd\u4f5c\u7cfb\u7edf\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4fee\u6539\/etc\/login.defs\u6587\u4ef6\u6765\u52a0\u5f3a\u7528\u6237\u8eab\u4efd\u9a8c\u8bc1\u63aa\u65bd\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4ee3\u7801\u793a\u4f8b\uff0c\u7528\u4e8e\u4fee\u6539\/etc\/login.defs\u6587\u4ef6\u4e2d\u7684\u5bc6\u7801\u7b56\u7565\u8bbe\u7f6e\uff1a<\/p>\n<pre># \u66f4\u6539\u5bc6\u7801\u6709\u6548\u671f\u4e3a90\u5929\nsudo sed -i 's\/PASS_MAX_DAYS    99999\/PASS_MAX_DAYS    90\/g' \/etc\/login.defs\n\n# \u8bbe\u7f6e\u5bc6\u7801\u6700\u77ed\u957f\u5ea6\u4e3a8\nsudo sed -i 's\/PASS_MIN_LEN    5\/PASS_MIN_LEN    8\/g' \/etc\/login.defs\n\n# \u8bbe\u7f6e\u6700\u5927\u5931\u8d25\u767b\u5f55\u6b21\u6570\u4e3a5\u6b21\nsudo sed -i 's\/LOGIN_RETRIES    5\/LOGIN_RETRIES    5\/g' \/etc\/login.defs<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u4ee5\u4e0a\u4ee3\u7801\u4e2d\u7684sed\u547d\u4ee4\u7528\u4e8e\u4fee\u6539\/etc\/login.defs\u6587\u4ef6\u4e2d\u7684\u76f8\u5173\u53c2\u6570\u503c\uff0c\u4ece\u800c\u52a0\u5f3a\u5bc6\u7801\u6709\u6548\u671f\u3001\u5bc6\u7801\u6700\u77ed\u957f\u5ea6\u548c\u6700\u5927\u5931\u8d25\u767b\u5f55\u6b21\u6570\u7684\u9650\u5236\u3002<\/p>\n<p>\u56db\u3001\u5b89\u88c5\u6740\u6bd2\u8f6f\u4ef6\u548c\u5b89\u5168\u5de5\u5177<\/p>\n<p>\u4e3a\u4e86\u4fdd\u62a4\u7cfb\u7edf\u514d\u53d7\u75c5\u6bd2\u548c\u6076\u610f\u8f6f\u4ef6\u7684\u4fb5\u5bb3\uff0c\u5b89\u88c5\u6740\u6bd2\u8f6f\u4ef6\u548c\u5b89\u5168\u5de5\u5177\u662f\u5fc5\u8981\u7684\u63aa\u65bd\u3002\u5728\u9e92\u9e9f\u64cd\u4f5c\u7cfb\u7edf\u4e2d\uff0c\u53ef\u4ee5\u9009\u62e9\u5b89\u88c5\u56fd\u5185\u5916\u51fa\u8272\u7684\u6740\u6bd2\u8f6f\u4ef6\u548c\u5b89\u5168\u5de5\u5177\uff0c\u5982360\u6740\u6bd2\u3001\u817e\u8baf\u7ba1\u5bb6\u7b49\u3002<\/p>\n<p>\u4e94\u3001\u52a0\u5bc6\u91cd\u8981\u6570\u636e<\/p>\n<p>\u5bf9\u4e8e\u7cfb\u7edf\u4e2d\u7684\u91cd\u8981\u6570\u636e\uff0c\u5982\u4e2a\u4eba\u9690\u79c1\u3001\u654f\u611f\u6587\u6863\u7b49\uff0c\u5efa\u8bae\u8fdb\u884c\u52a0\u5bc6\u5904\u7406\u3002\u5728\u9e92\u9e9f\u64cd\u4f5c\u7cfb\u7edf\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528GPG\u5de5\u5177\u6765\u8fdb\u884c\u6570\u636e\u52a0\u5bc6\u548c\u89e3\u5bc6\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u4ee3\u7801\u793a\u4f8b\uff0c\u7528\u4e8e\u4f7f\u7528GPG\u5de5\u5177\u5bf9\u6587\u6863\u8fdb\u884c\u52a0\u5bc6\uff1a<\/p>\n<pre># \u751f\u6210\u5bc6\u94a5\u5bf9\ngpg --gen-key\n\n# \u52a0\u5bc6\u6587\u6863\ngpg -e -r recipient@example.com document.txt\n\n# \u89e3\u5bc6\u6587\u6863\ngpg -d document.txt.gpg &amp;gt; decrypted_document.txt<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u4ee5\u4e0a\u4ee3\u7801\u4e2d\u4f7f\u7528\u4e86gpg\u547d\u4ee4\u751f\u6210\u4e86\u5bc6\u94a5\u5bf9\uff0c\u5e76\u5206\u522b\u7528\u4e8e\u52a0\u5bc6\u548c\u89e3\u5bc6\u6587\u6863\u3002<\/p>\n<p>\u901a\u8fc7\u4ee5\u4e0a\u63aa\u65bd\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u9e92\u9e9f\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u8fdb\u884c\u7cfb\u7edf\u7684\u5b89\u5168\u52a0\u56fa\u548c\u9632\u62a4\u3002\u53ca\u65f6\u66f4\u65b0\u7cfb\u7edf\u8865\u4e01\u3001\u5b89\u88c5\u9632\u706b\u5899\u3001\u52a0\u5f3a\u7528\u6237\u8eab\u4efd\u9a8c\u8bc1\u3001\u5b89\u88c5\u6740\u6bd2\u8f6f\u4ef6\u548c\u5b89\u5168\u5de5\u5177\u4ee5\u53ca\u52a0\u5bc6\u91cd\u8981\u6570\u636e\uff0c\u53ef\u4ee5\u5927\u5927\u63d0\u9ad8\u7cfb\u7edf\u7684\u5b89\u5168\u6027\u3002\u5f53\u7136\uff0c\u8fd9\u4e9b\u53ea\u662f\u4e00\u4e9b\u57fa\u672c\u7684\u5b89\u5168\u63aa\u65bd\uff0c\u6211\u4eec\u8fd8\u9700\u8981\u6839\u636e\u5b9e\u9645\u9700\u6c42\u548c\u60c5\u51b5\uff0c\u4e0d\u65ad\u5b8c\u5584\u548c\u4f18\u5316\u7cfb\u7edf\u7684\u5b89\u5168\u52a0\u56fa\u548c\u9632\u62a4\u63aa\u65bd\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u5728\u9e92\u9e9f\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u8fdb\u884c\u7cfb\u7edf\u7684\u5b89\u5168\u52a0\u56fa\u548c\u9632\u62a4\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8FDCServers\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u5728\u9e92\u9e9f\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u8fdb\u884c\u7cfb\u7edf\u7684\u5b89\u5168\u52a0\u56fa\u548c\u9632\u62a4\uff1f \u968f\u7740\u6280\u672f\u7684\u53d1\u5c55\u548c\u4e92\u8054\u7f51\u7684\u666e\u53ca\uff0c\u7cfb\u7edf\u7684\u5b89\u5168\u95ee\u9898\u53d8\u5f97\u8d8a\u6765\u8d8a\u91cd\u8981\u3002\u9e92\u9e9f\u64cd\u4f5c\u7cfb\u7edf\u662f\u4e2d\u56fd\u81ea\u4e3b\u7814\u53d1\u7684\u4e00\u6b3e\u64cd\u4f5c\u7cfb\u7edf\uff0c\u5177\u6709\u81ea\u4e3b\u53ef\u63a7\u7684\u7279\u70b9\u3002\u5728\u9e92\u9e9f\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u8fdb\u884c\u7cfb\u7edf\u7684\u5b89\u5168\u52a0\u56fa\u548c\u9632\u62a4\uff0c\u53ef\u4ee5\u6709\u6548\u4fdd\u62a4\u7528\u6237\u7684\u9690\u79c1\u548c\u4fe1\u606f\u5b89\u5168\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u5728\u9e92\u9e9f\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u8fdb\u884c\u7cfb\u7edf\u5b89\u5168\u52a0\u56fa\u548c\u9632\u62a4\u7684\u65b9\u6cd5\uff0c\u5e76\u63d0\u4f9b\u76f8\u5e94\u7684\u4ee3\u7801\u793a\u4f8b\u3002 \u4e00\u3001\u66f4\u65b0\u7cfb\u7edf\u8865\u4e01 \u53ca\u65f6\u66f4\u65b0\u7cfb\u7edf\u8865\u4e01\u662f\u4fdd\u6301\u7cfb\u7edf\u5b89\u5168\u7684\u57fa\u672c\u6b65\u9aa4\u3002\u4e0d\u8bba\u662fWindows\u3001Linux\u8fd8\u662f\u9e92\u9e9f\u64cd\u4f5c\u7cfb\u7edf\uff0c\u90fd\u4f1a\u4e0d\u5b9a\u671f\u53d1\u5e03\u5b89\u5168\u8865\u4e01\u6765\u4fee\u590d\u7cfb\u7edf\u6f0f\u6d1e\u3002\u56e0\u6b64\uff0c\u5b9a\u671f\u68c0\u67e5\u548c\u66f4\u65b0\u7cfb\u7edf\u8865\u4e01\u662f\u975e\u5e38\u5fc5\u8981\u7684\u3002 \u5728\u9e92\u9e9f\u64cd\u4f5c\u7cfb\u7edf\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u6765\u66f4\u65b0\u7cfb\u7edf\u8865\u4e01\uff1a sudo apt update sudo apt upgrade \u767b\u5f55\u540e\u590d\u5236 \u4e8c\u3001\u5b89\u88c5\u9632\u706b\u5899 \u9632\u706b\u5899\u662f\u7cfb\u7edf\u5b89\u5168\u7684\u7b2c\u4e00\u9053\u9632\u7ebf\uff0c\u80fd\u591f\u76d1\u63a7\u548c\u8fc7\u6ee4\u8fdb\u51fa\u7cfb\u7edf\u7684\u7f51\u7edc\u6d41\u91cf\uff0c\u9632\u6b62\u6076\u610f\u653b\u51fb\u548c\u975e\u6cd5\u8bbf\u95ee\u3002\u5728\u9e92\u9e9f\u64cd\u4f5c\u7cfb\u7edf\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528iptables\u547d\u4ee4\u6765\u8fdb\u884c\u9632\u706b\u5899\u7684\u8bbe\u7f6e\u3002 \u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u4ee3\u7801\u793a\u4f8b\uff0c\u7528\u4e8e\u8bbe\u7f6e\u9632\u706b\u5899\u89c4\u5219\uff1a # \u6e05\u7a7a\u5df2\u6709\u89c4\u5219 sudo iptables -F sudo iptables -X sudo iptables -Z # \u5141\u8bb8\u76f8\u5173\u8fde\u63a5 sudo iptables -A INPUT -m state &#8211;state RELATED,ESTABLISHED -j ACCEPT sudo iptables -A OUTPUT -m state &#8211;state RELATED,ESTABLISHED -j ACCEPT # \u5141\u8bb8\u672c\u5730\u56de\u73af sudo iptables -A INPUT -i [&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-62228","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/62228","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=62228"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/62228\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=62228"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=62228"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=62228"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}