{"id":26095,"date":"2026-01-01T14:30:37","date_gmt":"2026-01-01T06:30:37","guid":{"rendered":"https:\/\/cn.hostease.com\/blog\/?p=26095"},"modified":"2025-12-22T14:44:39","modified_gmt":"2025-12-22T06:44:39","slug":"initial-security-setup-us-server","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/blog\/us-server\/initial-security-setup-us-server\/","title":{"rendered":"\u79df\u7528\u7f8e\u56fd\u670d\u52a1\u5668\u540e\uff0c\u7b2c\u4e00\u6b65\u5e94\u8be5\u505a\u4ec0\u4e48\uff1f\u7cfb\u7edf\u521d\u59cb\u5316\u4e0e\u5b89\u5168\u8bbe\u7f6e"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u4e3a\u4ec0\u4e48\u7cfb\u7edf\u521d\u59cb\u5316\u548c\u5b89\u5168\u8bbe\u7f6e\u5f88\u91cd\u8981\uff1f<\/h2>\n\n\n\n<p>\u6bcf\u5f53\u4f60\u6210\u529f\u79df\u7528\u4e00\u53f0<a href=\"https:\/\/cn.hostease.com\/dedicated-servers.html\" title=\"\">\u7f8e\u56fd\u670d\u52a1\u5668<\/a>\u5e76\u62ff\u5230\u7ba1\u7406\u6743\u9650\u65f6\uff0c\u8fd9\u53f0\u670d\u52a1\u5668\u5c31\u50cf\u4e00\u6247\u521a\u88c5\u597d\u7684\u65b0\u5927\u95e8\u3002\u9ed8\u8ba4\u914d\u7f6e\u5f80\u5f80\u5b58\u5728\u5b89\u5168\u9690\u60a3\uff0c\u5bb9\u6613\u88ab\u9ed1\u5ba2\u626b\u63cf\u6216\u653b\u51fb\u3002\u53ea\u6709\u7b2c\u4e00\u65f6\u95f4\u5b8c\u6210\u7cfb\u7edf\u521d\u59cb\u5316\u548c\u5b89\u5168\u52a0\u56fa\uff0c\u624d\u80fd\u771f\u6b63\u5b88\u4f4f\u670d\u52a1\u5668\u7684\u201c\u5bb6\u95e8\u53e3\u201d\uff0c\u8ba9\u540e\u7eed\u7f51\u7ad9\u3001\u4e1a\u52a1\u90e8\u7f72\u53d8\u5f97\u66f4\u5b89\u5fc3\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5178\u578b\u573a\u666f\uff1a\u4f60\u62ff\u5230\u65b0\u670d\u52a1\u5668\u540e\u5e94\u8be5\u600e\u4e48\u505a\uff1f<\/h2>\n\n\n\n<p><strong>\u5e38\u89c1\u8d77\u70b9\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u62ff\u5230SSH\u8d26\u53f7\u548c\u5bc6\u7801\u6216\u5bc6\u94a5<\/li>\n\n\n\n<li>\u767b\u5f55\u670d\u52a1\u5668\u51c6\u5907\u642d\u5efa\u7f51\u7ad9\u3001\u5e94\u7528\u6216\u6570\u636e\u5e93<\/li>\n<\/ul>\n\n\n\n<p>\u6b64\u65f6\uff0c\u6700\u63a8\u8350\u7acb\u523b\u505a\u4ee5\u4e0b\u51e0\u6b65\uff1a<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e00\u6b65\u6b65\u5e26\u4f60\u5b8c\u6210\u7cfb\u7edf\u521d\u59cb\u5316\u4e0e\u5b89\u5168\u52a0\u56fa<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u4fee\u6539\u9ed8\u8ba4\u5bc6\u7801\u548cSSH\u7aef\u53e3<\/h3>\n\n\n\n<p><strong>\u4fee\u6539\u5bc6\u7801\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">passwd\n<\/pre>\n\n\n\n<p>\u5efa\u8bae\u65b0\u5bc6\u7801\u5f3a\u5ea6\u9ad8\u4e00\u4e9b\uff0c\u5305\u542b\u5927\u5c0f\u5199\u3001\u6570\u5b57\u548c\u7279\u6b8a\u7b26\u53f7\u3002<\/p>\n\n\n\n<p><strong>\u66f4\u6539SSH\u9ed8\u8ba4\u7aef\u53e3\uff08\u598222022\uff09\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># CentOS\nsed -i 's\/^#Port 22\/Port 22022\/' \/etc\/ssh\/sshd_config\nsystemctl restart sshd\n\n# Ubuntu\nsudo sed -i 's\/^#Port 22\/Port 22022\/' \/etc\/ssh\/sshd_config\nsudo systemctl restart ssh\n<\/pre>\n\n\n\n<p><em>\u5b8c\u6210\u540e\uff0c\u8bb0\u5f97\u7528\u65b0\u7aef\u53e3\u91cd\u65b0\u767b\u5f55\u670d\u52a1\u5668\uff0c\u907f\u514d\u9501\u6b7b\u3002<\/em><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u66f4\u65b0\u7cfb\u7edf\u4e0e\u8f6f\u4ef6\u8865\u4e01<\/h3>\n\n\n\n<p>\u4fdd\u6301\u7cfb\u7edf\u548c\u8f6f\u4ef6\u6700\u65b0\uff0c\u662f\u62b5\u5fa1\u6f0f\u6d1e\u5229\u7528\u7684\u57fa\u7840\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># CentOS\nsudo dnf clean all &amp;&amp; sudo dnf -y update\n\n# Ubuntu\nsudo apt update &amp;&amp; sudo apt -y upgrade\n<\/pre>\n\n\n\n<p><strong>\u5efa\u8bae\u91cd\u542f<\/strong>\u8ba9\u5185\u6838\u8865\u4e01\u751f\u6548\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">sudo reboot\n<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u914d\u7f6e\u9632\u706b\u5899\u89c4\u5219<\/h3>\n\n\n\n<p>\u53ea\u5f00\u653e\u771f\u6b63\u9700\u8981\u7684\u7aef\u53e3\uff0c\u80fd\u6709\u6548\u963b\u65ad\u5f02\u5e38\u8bbf\u95ee\u3002<\/p>\n\n\n\n<p><strong>CentOS\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">sudo firewall-cmd --permanent --add-port=22022\/tcp\nsudo firewall-cmd --permanent --add-service=http\nsudo firewall-cmd --permanent --add-service=https\nsudo firewall-cmd --reload\n<\/pre>\n\n\n\n<p><strong>Ubuntu\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">sudo apt install ufw\nsudo ufw allow 22022\/tcp\nsudo ufw allow http\nsudo ufw allow https\nsudo ufw enable\n<\/pre>\n\n\n\n<p>\u5982\u679c\u4f60\u66f4\u719f\u6089 iptables\uff0c\u4e5f\u53ef\u4ee5\u76f4\u63a5\u914d\u7f6e\u5e76\u4fdd\u5b58\u89c4\u5219\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u521b\u5efa\u975eroot\u7528\u6237\u5e76\u7981\u7528root\u8fdc\u7a0b\u767b\u5f55<\/h3>\n\n\n\n<p>\u4e3a\u4e86\u5b89\u5168\uff0c\u5e94\u8be5\u4f7f\u7528\u666e\u901a\u7528\u6237+sudo\u7ba1\u7406\u670d\u52a1\u5668\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># \u65b0\u5efa\u7528\u6237\u5e76\u8d4b\u4e88\u7ba1\u7406\u6743\u9650\nsudo adduser webmaster\nsudo usermod -aG wheel webmaster   # CentOS\nsudo usermod -aG sudo  webmaster   # Ubuntu\n\n# \u7981\u7528root\u8fdc\u7a0b\u767b\u5f55\nsudo sed -i 's\/^PermitRootLogin yes\/PermitRootLogin no\/' \/etc\/ssh\/sshd_config\nsudo systemctl restart sshd  # Ubuntu\u8bf7\u7528ssh\n<\/pre>\n\n\n\n<p><strong>\u540e\u7eed\u8bf7\u7528\u65b0\u8d26\u53f7\u901a\u8fc7SSH\u5bc6\u94a5\u767b\u5f55\u3002<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5b89\u88c5\u5b89\u5168\u76d1\u63a7\u5de5\u5177<\/h3>\n\n\n\n<p><strong>Fail2Ban\uff08\u9632\u66b4\u529b\u7834\u89e3\uff09\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">sudo dnf install fail2ban -y       # CentOS\nsudo apt install fail2ban -y       # Ubuntu\nsudo systemctl enable --now fail2ban\n<\/pre>\n\n\n\n<p>Fail2Ban\u53ef\u81ea\u52a8\u8bc6\u522b\u5e76\u5c01\u7981\u5f02\u5e38\u767b\u5f55IP\uff0c\u964d\u4f4e\u66b4\u529b\u7834\u89e3\u98ce\u9669\u3002<\/p>\n\n\n\n<p>\u5982\u9700\u8fdb\u4e00\u6b65\u52a0\u5f3a\u5b89\u5168\uff0c\u8fd8\u53ef\u90e8\u7f72\u65e5\u5fd7\u76d1\u63a7\u6216\u5165\u4fb5\u68c0\u6d4b\u5de5\u5177\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u8fdb\u884c\u6027\u80fd\u57fa\u51c6\u6d4b\u8bd5<\/h3>\n\n\n\n<p>\u5b8c\u6210\u5b89\u5168\u914d\u7f6e\u540e\uff0c\u5efa\u8bae\u505a\u4e00\u6b21\u7b80\u5355\u6027\u80fd\u6d4b\u8bd5\uff0c\u4e86\u89e3\u5f53\u524d\u670d\u52a1\u5668\u7684\u201c\u5e95\u5b50\u201d\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># \u5b89\u88c5\u5e38\u7528\u6d4b\u8bd5\u5de5\u5177\nsudo dnf install -y wget curl fio sysbench    # CentOS\nsudo apt install -y wget curl fio sysbench    # Ubuntu\n\n# CPU\u6027\u80fd\u6d4b\u8bd5\nsysbench cpu --threads=$(nproc) run\n\n# \u78c1\u76d8\u987a\u5e8f\u8bfb\u5199\u6d4b\u8bd5\nfio --name=seqwrite --size=1G --filename=\/tmp\/fio_test.bin --direct=1 --sync=1 --rw=write\nfio --name=seqread  --size=1G --filename=\/tmp\/fio_test.bin --direct=1 --sync=1 --rw=read\nrm -f \/tmp\/fio_test.bin\n<\/pre>\n\n\n\n<p>\u628a\u7ed3\u679c\u4fdd\u5b58\u4e0b\u6765\uff0c\u540e\u7eed\u9047\u5230\u6027\u80fd\u6ce2\u52a8\u65f6\u6709\u636e\u53ef\u67e5\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5e38\u89c1\u7591\u95eeFAQ<\/h2>\n\n\n\n<p><strong>Q\uff1aSSH\u9ed8\u8ba422\u7aef\u53e3\u4e3a\u4ec0\u4e48\u8981\u6362\uff1f<\/strong><br>A\uff1a22\u7aef\u53e3\u662f\u7f51\u7edc\u653b\u51fb\u8005\u91cd\u70b9\u626b\u63cf\u76ee\u6807\uff0c\u66f4\u6362\u80fd\u6709\u6548\u51cf\u5c11\u626b\u63cf\u548c\u66b4\u529b\u7834\u89e3\u3002<\/p>\n\n\n\n<p><strong>Q\uff1a\u66f4\u65b0\u7cfb\u7edf\u540e\u8981\u91cd\u542f\u5417\uff1f<\/strong><br>A\uff1a\u5927\u90e8\u5206\u8865\u4e01\u53ef\u70ed\u66f4\u65b0\uff0c\u4f46\u5185\u6838\u5347\u7ea7\u5efa\u8bae\u91cd\u542f\uff0c\u64cd\u4f5c\u524d\u8bf7\u5148\u505a\u597d\u6570\u636e\u5907\u4efd\u3002<\/p>\n\n\n\n<p><strong>Q\uff1aFail2Ban\u4f1a\u8bef\u4f24\u6b63\u5e38\u7528\u6237\u5417\uff1f<\/strong><br>A\uff1aFail2Ban\u57fa\u4e8e\u5931\u8d25\u6b21\u6570\u5c01\u7981IP\uff0c\u53ef\u8bbe\u7f6e\u767d\u540d\u5355\uff0c\u4e00\u822c\u4e0d\u4f1a\u8bef\u4f24\u6b63\u5e38\u767b\u5f55\u3002<\/p>\n\n\n\n<p><strong>Q\uff1a\u7981\u7528root\u8fdc\u7a0b\u767b\u5f55\u5b89\u5168\u5417\uff1f<\/strong><br>A\uff1a\u662f\u7684\uff0c\u666e\u901a\u7528\u6237\u914d\u5408sudo\u6743\u9650\u7ba1\u7406\uff0c\u65e2\u5b89\u5168\u53c8\u65b9\u4fbf\u6eaf\u6e90\u3002<\/p>\n\n\n\n<p><strong>Q\uff1a\u6027\u80fd\u6d4b\u8bd5\u6570\u636e\u8981\u4fdd\u5b58\u5417\uff1f<\/strong><br>A\uff1a\u5efa\u8bae\u4fdd\u5b58\uff0c\u65b9\u4fbf\u540e\u671f\u5bf9\u6bd4\u670d\u52a1\u5668\u72b6\u6001\u53d8\u5316\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5b9e\u7528\u5efa\u8bae<\/h2>\n\n\n\n<p>\u5b8c\u6210\u4e0a\u8ff0\u914d\u7f6e\u540e\uff0c\u4f60\u7684<a href=\"https:\/\/cn.hostease.com\/dedicated-servers.html\" title=\"\">\u7f8e\u56fd\u72ec\u7acb\u670d\u52a1\u5668<\/a>\u5df2\u5177\u5907\u57fa\u7840\u9632\u62a4\u548c\u6027\u80fd\u4fdd\u969c\u3002\u63a5\u4e0b\u6765\u53ef\u4ee5\u6839\u636e\u81ea\u8eab\u9700\u6c42\u642d\u5efaWeb\u73af\u5883\u3001\u90e8\u7f72\u6570\u636e\u5e93\u6216\u4f18\u5316\u66f4\u9ad8\u7ea7\u522b\u5b89\u5168\u7b56\u7565\u3002\u9047\u5230\u6280\u672f\u96be\u9898\u65f6\uff0c\u8bb0\u5f97\u53ca\u65f6\u5bfb\u6c42\u4e13\u4e1a\u56e2\u961f\u534f\u52a9\uff0c\u5b88\u62a4\u4e1a\u52a1\u5b89\u5168\u8fd0\u8425\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u521a\u62ff\u5230\u7f8e\u56fd\u670d\u52a1\u5668\u7684SSH\u767b\u5f55\u4fe1\u606f\uff0c\u4f60\u9700\u8981\u7acb\u5373\u5b8c\u6210\u5bc6\u7801\u4e0e\u7aef\u53e3\u4fee\u6539\u3001\u7cfb\u7edf\u66f4\u65b0\u3001firewalld\/iptables\u89c4\u5219\u3001\u975eroot\u8d26\u53f7\u3001Fail2Ban\u5b89\u88c5\u53ca\u6027\u80fd\u68c0\u6d4b\uff0c\u4ee5\u786e\u4fdd\u957f\u671f\u7a33\u5b9a\u5b89\u5168\u8fd0\u884c\u3002<\/p>\n","protected":false},"author":2,"featured_media":26096,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[417],"tags":[3772,2472,157,3773,298],"class_list":["post-26095","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-us-server","tag-centos","tag-ubuntu","tag-157","tag-3773","tag-298"],"aioseo_notices":[],"jetpack_featured_media_url":"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2025\/12\/\u670d\u52a1\u5668\u5b89\u5168\u521d\u59cb\u5316\u7684\u53ef\u89c6\u5316\u573a\u666f.webp","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts\/26095","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/comments?post=26095"}],"version-history":[{"count":1,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts\/26095\/revisions"}],"predecessor-version":[{"id":26097,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts\/26095\/revisions\/26097"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/media\/26096"}],"wp:attachment":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/media?parent=26095"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/categories?post=26095"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/tags?post=26095"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}