{"id":1502,"date":"2025-05-07T20:05:47","date_gmt":"2025-05-07T12:05:47","guid":{"rendered":"https:\/\/www.ddosidc.com\/wp\/?p=1502"},"modified":"2025-05-07T20:05:47","modified_gmt":"2025-05-07T12:05:47","slug":"linux%e6%9c%8d%e5%8a%a1%e5%99%a8%e7%ab%af%e5%8f%a3%e5%bc%80%e6%94%be%e7%8a%b6%e6%80%81%e6%9f%a5%e8%af%a2%e5%8f%8a%e5%b7%a5%e5%85%b7%e6%8c%87%e5%8d%97","status":"publish","type":"post","link":"https:\/\/www.ddosidc.com\/wp\/1502.html","title":{"rendered":"Linux\u670d\u52a1\u5668\u7aef\u53e3\u5f00\u653e\u72b6\u6001\u67e5\u8be2\u53ca\u5de5\u5177\u6307\u5357"},"content":{"rendered":"<p><p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/www.ddosidc.com\/wp\/wp-content\/uploads\/2025\/05\/O91r5Q.jpg\" alt=\"Linux\u670d\u52a1\u5668\u7aef\u53e3\u5f00\u653e\u72b6\u6001\u67e5\u8be2\u53ca\u5de5\u5177\u6307\u5357\" title=\"Linux\u670d\u52a1\u5668\u7aef\u53e3\u5f00\u653e\u72b6\u6001\u67e5\u8be2\u53ca\u5de5\u5177\u6307\u5357\"><\/p>\n<p><h3>1. \u5982\u4f55\u67e5\u8be2Linux\u670d\u52a1\u5668\u7aef\u53e3\u662f\u5426\u5f00\u653e<\/h3>\n<\/p>\n<p>\u8981\u67e5\u8be2Linux\u670d\u52a1\u5668\u4e0a\u67d0\u4e2a\u7aef\u53e3\u662f\u5426\u5f00\u653e\uff0c\u53ef\u4ee5\u4f7f\u7528\u591a\u79cd\u65b9\u6cd5\uff0c\u6700\u5e38\u7528\u7684\u5305\u62ec\u4f7f\u7528nmap\u547d\u4ee4\u3001netstat\u547d\u4ee4\u4ee5\u53catelnet\u547d\u4ee4\u3002\u8fd9\u4e9b\u5de5\u5177\u867d\u7136\u6709\u4e0d\u540c\u7684\u4f5c\u7528\u548c\u7279\u70b9\uff0c\u4f46\u5b83\u4eec\u90fd\u80fd\u6709\u6548\u5730\u5e2e\u52a9\u7528\u6237\u5224\u65ad\u7aef\u53e3\u72b6\u6001\u3002\u4e00\u822c\u6765\u8bf4\uff0cnmap\u529f\u80fd\u5f3a\u5927\uff0c\u4f46\u9700\u8981\u989d\u5916\u5b89\u88c5\uff1bnetstat\u662f\u5927\u591a\u6570Linux\u53d1\u884c\u7248\u7684\u9ed8\u8ba4\u5de5\u5177\uff0c\u800ctelnet\u5219\u7b80\u5355\u6613\u7528\u3002  <\/p>\n<\/p>\n<p>\n<h3>2. \u67e5\u8be2\u5f00\u653e\u7aef\u53e3\u7684\u5de5\u5177\u4e0e\u547d\u4ee4<\/h3>\n<\/p>\n<p>\u5e38\u7528\u7684\u5de5\u5177\u5982\u4e0b\uff1a  <\/p>\n<p>1. **nmap**\uff1a\u8fd9\u662f\u4e00\u4e2a\u975e\u5e38\u6d41\u884c\u7684\u7f51\u7edc\u626b\u63cf\u5de5\u5177\uff0c\u53ef\u4ee5\u626b\u63cf\u5f00\u653e\u7aef\u53e3\u4ee5\u53ca\u76f8\u5173\u670d\u52a1\u3002\u8981\u4f7f\u7528nmap\uff0c\u9996\u5148\u9700\u8981\u5b89\u88c5\u5b83\uff0c\u53ef\u4ee5\u901a\u8fc7\u5305\u7ba1\u7406\u5668\u8fdb\u5165\u547d\u4ee4\uff1a  <\/p>\n<p><pre><code>sudo apt-get install nmap  # Ubuntu\/Debian<\/p>\r\n<p>sudo yum install nmap      # CentOS\/RHEL<\/p>\r\n<p><\/code><\/pre>\n<\/p>\n<p>\u7136\u540e\u4f7f\u7528\u547d\u4ee4\uff1a  <\/p>\n<p><pre><code>nmap -p [\u7aef\u53e3\u53f7] [\u670d\u52a1\u5668IP\u5730\u5740]<\/p>\r\n<p><\/code><\/pre>\n<\/p>\n<p>\u8fd9\u5c06\u8fd4\u56de\u4e0e\u8be5\u7aef\u53e3\u76f8\u5173\u7684\u6240\u6709\u4fe1\u606f\uff0c\u5305\u62ec\u662f\u5426\u5f00\u653e\u3002  <\/p>\n<p>2. **netstat**\uff1a\u8be5\u547d\u4ee4\u7528\u4e8e\u76d1\u63a7\u7f51\u7edc\u8fde\u63a5\uff0c\u53ef\u4ee5\u67e5\u770b\u672c\u5730\u7cfb\u7edf\u4e0a\u7684\u5f00\u653e\u7aef\u53e3\u3002\u4f7f\u7528\u547d\u4ee4\uff1a  <\/p>\n<p><pre><code>netstat -tuln | grep [\u7aef\u53e3\u53f7]<\/p>\r\n<p><\/code><\/pre>\n<\/p>\n<p>3. **telnet**\uff1a\u8fd9\u662f\u4e00\u4e2a\u7b80\u6613\u7684\u5ba2\u6237\u7aef\u7a0b\u5e8f\uff0c\u53ef\u4ee5\u6d4b\u8bd5\u7279\u5b9a\u7aef\u53e3\u7684\u8fde\u63a5\u3002\u4f7f\u7528\u547d\u4ee4\uff1a  <\/p>\n<p><pre><code>telnet [\u670d\u52a1\u5668IP\u5730\u5740] [\u7aef\u53e3\u53f7]<\/p>\r\n<p><\/code><\/pre>\n<\/p>\n<p>\u5982\u679c\u6210\u529f\u8fde\u63a5\uff0c\u5219\u7aef\u53e3\u5f00\u653e\uff1b\u5982\u679c\u8fde\u63a5\u5931\u8d25\uff0c\u5219\u8bf4\u660e\u7aef\u53e3\u672a\u5f00\u653e\u6216\u88ab\u9632\u706b\u5899\u963b\u6b62\u3002  <\/p>\n<\/p>\n<p>\n<h3>3. \u9632\u706b\u5899\u914d\u7f6e\u7684\u5f71\u54cd<\/h3>\n<\/p>\n<p>\u5728Linux\u670d\u52a1\u5668\u4e2d\uff0c\u9632\u706b\u5899\u914d\u7f6e\u662f\u5f71\u54cd\u7aef\u53e3\u5f00\u653e\u72b6\u6001\u7684\u91cd\u8981\u56e0\u7d20\u3002\u5e38\u89c1\u7684\u9632\u706b\u5899\u5982iptables\u6216firewalld\u90fd\u53ef\u80fd\u963b\u6b62\u67d0\u4e9b\u7aef\u53e3\u7684\u8bbf\u95ee\u3002\u8981\u786e\u8ba4\u9632\u706b\u5899\u7684\u8bbe\u7f6e\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a  <\/p>\n<p><pre><code>sudo iptables -L           # \u67e5\u770biptables\u7684\u89c4\u5219<\/p>\r\n<p>sudo firewall-cmd --list-all  # \u67e5\u770bfirewalld\u7684\u89c4\u5219<\/p>\r\n<p><\/code><\/pre>\n<\/p>\n<p>\u5982\u679c\u53d1\u73b0\u67d0\u4e2a\u7aef\u53e3\u88ab\u963b\u6b62\uff0c\u53ef\u4ee5\u901a\u8fc7\u547d\u4ee4\u5f00\u653e\u8be5\u7aef\u53e3\uff1a  <\/p>\n<p><pre><code>sudo iptables -A INPUT -p tcp --dport [\u7aef\u53e3\u53f7] -j ACCEPT  <\/p>\r\n<p>sudo firewall-cmd --add-port=[\u7aef\u53e3\u53f7]\/tcp --permanent  <\/p>\r\n<p>sudo firewall-cmd --reload  <\/p>\r\n<p><\/code><\/pre>\n<\/p>\n<p>\n<h3>4. \u4e3a\u4ec0\u4e48\u67e5\u8be2\u7aef\u53e3\u5f00\u653e\u6027\u91cd\u8981<\/h3>\n<\/p>\n<p>\u4e86\u89e3\u7aef\u53e3\u662f\u5426\u5f00\u653e\u5bf9\u4e8e\u7f51\u7edc\u5b89\u5168\u548c\u5e94\u7528\u7a0b\u5e8f\u7684\u53ef\u7528\u6027\u81f3\u5173\u91cd\u8981\u3002\u5f00\u653e\u7684\u7aef\u53e3\u53ef\u80fd\u4f1a\u6210\u4e3a\u653b\u51fb\u8005\u7684\u5165\u4fb5\u70b9\uff0c\u5408\u7406\u914d\u7f6e\u5b89\u5168\u7b56\u7565\u53ef\u4ee5\u51cf\u5c11\u98ce\u9669\u3002\u540c\u65f6\uff0c\u786e\u4fdd\u5fc5\u8981\u7684\u7aef\u53e3\u5f00\u653e\u53ef\u4ee5\u4fdd\u8bc1\u5e94\u7528\u7a0b\u5e8f\u7684\u987a\u5229\u8fd0\u884c\uff0c\u6bd4\u5982SSH\u3001HTTP\u3001HTTPS\u7b49\u670d\u52a1\u3002\u8fd9\u6837\u505a\u53ef\u4ee5\u63d0\u9ad8\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u548c\u7a33\u5b9a\u6027\u3002  <\/p>\n<\/p>\n<p>\n<h3>5. \u7aef\u53e3\u5f00\u653e\u4e0e\u5173\u95ed\u7684\u5f71\u54cd<\/h3>\n<\/p>\n<p><b>\u5982\u679c\u6211\u7684\u67d0\u4e2a\u7aef\u53e3\u6ca1\u6709\u5f00\u653e\uff0c\u4f1a\u6709\u4ec0\u4e48\u5f71\u54cd\u5417\uff1f<\/b>  <\/p>\n<p>\u5f53\u7136\uff0c\u5982\u679c\u67d0\u4e2a\u7528\u4e8e\u670d\u52a1\u7684\u7aef\u53e3\u672a\u5f00\u653e\uff0c\u90a3\u4e48\u5916\u90e8\u7528\u6237\u5c06\u65e0\u6cd5\u8bbf\u95ee\u8be5\u670d\u52a1\u3002\u4f8b\u5982\uff0c\u5f00\u653e\u768480\u7aef\u53e3\u7528\u4e8eHTTP\u8bbf\u95ee\uff0c\u82e5\u6b64\u7aef\u53e3\u5173\u95ed\uff0c\u7528\u6237\u5c06\u65e0\u6cd5\u901a\u8fc7\u6d4f\u89c8\u5668\u8bbf\u95ee\u7f51\u9875\uff0c\u5bfc\u81f4\u5e94\u7528\u7a0b\u5e8f\u65e0\u6cd5\u6b63\u5e38\u4f7f\u7528\u3002  <\/p>\n<p><b>\u6211\u5e94\u8be5\u5982\u4f55\u9009\u62e9\u9700\u8981\u5f00\u653e\u7684\u7aef\u53e3\uff1f<\/b>  <\/p>\n<p>\u660e\u786e\u670d\u52a1\u9700\u6c42\u662f\u5173\u952e\u3002\u9996\u5148\uff0c\u786e\u5b9a\u8fd0\u884c\u7684\u670d\u52a1\uff08\u5982Web\u3001FTP\u3001SSH\u7b49\uff09\uff0c\u7136\u540e\u53ea\u5f00\u653e\u8fd9\u4e9b\u670d\u52a1\u6240\u9700\u7684\u7aef\u53e3\uff0c\u5176\u4f59\u7684\u7aef\u53e3\u5e94\u5c3d\u91cf\u5173\u95ed\u3002\u8fd9\u6837\u53ef\u4ee5\u9632\u6b62\u6f5c\u5728\u7684\u5b89\u5168\u98ce\u9669\uff0c\u786e\u4fdd\u670d\u52a1\u5668\u7684\u5065\u5eb7\u8fd0\u884c\u3002  <\/p>\n<p><b>\u5982\u4f55\u5b89\u5168\u5730\u7ba1\u7406\u5f00\u653e\u7aef\u53e3\uff1f<\/b>  <\/p>\n<p>\u5efa\u8bae\u5b9a\u671f\u68c0\u67e5\u5f00\u653e\u7684\u7aef\u53e3\uff0c\u786e\u4fdd\u5b83\u4eec\u4ecd\u7136\u662f\u5fc5\u8981\u7684\u3002\u53ef\u4ee5\u4f7f\u7528\u81ea\u52a8\u5316\u811a\u672c\u5b9a\u671f\u5ba1\u6838\u7aef\u53e3\u72b6\u6001\uff0c\u7ed3\u5408\u76d1\u63a7\u5de5\u5177\u5b9e\u73b0\u5b9e\u65f6\u53cd\u9988\u3002\u540c\u65f6\uff0c\u4f7f\u7528VPN\u6216SSH\u96a7\u9053\u8bbf\u95ee\u7279\u5b9a\u670d\u52a1\uff0c\u4e3a\u5f00\u653e\u7684\u7aef\u53e3\u6dfb\u52a0\u989d\u5916\u7684\u5b89\u5168\u5c42\u3002  <\/p>\n<\/p>\n<p>\n<h3>6. nmap\u547d\u4ee4\u7684\u66f4\u591a\u7528\u6cd5<\/h3>\n<\/p>\n<p>\u9664\u4e86\u7b80\u5355\u7684\u7aef\u53e3\u626b\u63cf\u5916\uff0cnmap\u8fd8\u652f\u6301\u591a\u79cd\u626b\u63cf\u7c7b\u578b\uff0c\u5982SYN\u626b\u63cf\u3001UDP\u626b\u63cf\u7b49\u3002\u901a\u8fc7\u4e0d\u540c\u7684\u9009\u9879\u7ec4\u5408\uff0c\u53ef\u4ee5\u83b7\u53d6\u76ee\u6807\u4e3b\u673a\u7684\u8be6\u7ec6\u4fe1\u606f\uff0c\u4f8b\u5982\u64cd\u4f5c\u7cfb\u7edf\u7c7b\u578b\u3001\u8fd0\u884c\u7684\u670d\u52a1\u7248\u672c\u7b49\u3002\u5bf9\u4e8e\u7f51\u7edc\u7ba1\u7406\u5458\u6765\u8bf4\uff0cnmap\u662f\u975e\u5e38\u5f3a\u5927\u7684\u7f51\u7edc\u5b89\u5168\u5de5\u5177\u3002  <\/p>\n<\/p>\n<p>\n<h3>7. netstat\u7684\u68c0\u7d22\u65b9\u5f0f<\/h3>\n<\/p>\n<p>\u4f7f\u7528netstat\u65f6\uff0c\u53ef\u7ed3\u5408\u5176\u4ed6\u5de5\u5177\u5982grep\u3001awk\u7b49\u5bf9\u8f93\u51fa\u8fdb\u884c\u8fc7\u6ee4\u548c\u7f8e\u5316\u3002\u4f8b\u5982\uff0c\u82e5\u8981\u5217\u51fa\u6240\u6709\u6b63\u5728\u76d1\u542c\u7684TCP\u8fde\u63a5\uff0c\u53ef\u4ee5\u4f7f\u7528\uff1a  <\/p>\n<p><pre><code>netstat -tuln | grep LISTEN<\/p>\r\n<p><\/code><\/pre>\n<\/p>\n<p>\u8fd9\u6837\u53ef\u4ee5\u8fc5\u901f\u5b9a\u4f4d\u5230\u5f53\u524d\u7cfb\u7edf\u4e2d\u6b63\u5728\u8fdb\u884c\u76d1\u542c\u7684\u7aef\u53e3\uff0c\u4fbf\u4e8e\u7ba1\u7406\u548c\u76d1\u63a7\u3002  <\/p>\n<\/p>\n<p>\n<h3>8. telnet\u7684\u66ff\u4ee3\u65b9\u6848<\/h3>\n<\/p>\n<p>\u867d\u7136telnet\u4f7f\u7528\u7b80\u5355\uff0c\u4f46\u5b83\u5e76\u4e0d\u5b89\u5168\uff0c\u56e0\u6b64\u5728\u5b9e\u9645\u8fd0\u7ef4\u4e2d\uff0c\u63a8\u8350\u4f7f\u7528\u66f4\u5b89\u5168\u7684\u5de5\u5177\uff0c\u5982nc\uff08netcat\uff09\u6216ssh\u3002\u4f7f\u7528nc\u6d4b\u8bd5\u7aef\u53e3\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u547d\u4ee4\uff1a  <\/p>\n<p><pre><code>nc -zv [\u670d\u52a1\u5668IP\u5730\u5740] [\u7aef\u53e3\u53f7]<\/p>\r\n<p><\/code><\/pre>\n<\/p>\n<p>\u8fd9\u6837\u80fd\u591f\u66f4\u597d\u5730\u52a0\u5f3a\u8fde\u63a5\u6d4b\u8bd5\u7684\u5b89\u5168\u6027\u548c\u7075\u6d3b\u6027\u3002  <\/p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>1. \u5982\u4f55\u67e5\u8be2Linux\u670d\u52a1\u5668\u7aef\u53e3\u662f\u5426\u5f00\u653e \u8981\u67e5\u8be2Linux\u670d\u52a1\u5668\u4e0a\u67d0\u4e2a\u7aef\u53e3\u662f\u5426\u5f00\u653e\uff0c\u53ef\u4ee5\u4f7f\u7528\u591a\u79cd\u65b9\u6cd5\uff0c\u6700\u5e38\u7528\u7684\u5305\u62ec\u4f7f\u7528nmap\u547d\u4ee4\u3001netstat\u547d\u4ee4\u4ee5\u53catelnet\u547d\u4ee4\u3002\u8fd9\u4e9b\u5de5\u5177\u867d\u7136\u6709\u4e0d\u540c\u7684\u4f5c\u7528\u548c\u7279\u70b9\uff0c\u4f46\u5b83\u4eec\u90fd\u80fd\u6709\u6548\u5730\u5e2e\u52a9\u7528\u6237\u5224\u65ad\u7aef\u53e3\u72b6&#8230;<\/p>\n","protected":false},"author":1,"featured_media":1503,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"topic":[],"class_list":["post-1502","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-baike"],"_links":{"self":[{"href":"https:\/\/www.ddosidc.com\/wp\/wp-json\/wp\/v2\/posts\/1502","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ddosidc.com\/wp\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ddosidc.com\/wp\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ddosidc.com\/wp\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ddosidc.com\/wp\/wp-json\/wp\/v2\/comments?post=1502"}],"version-history":[{"count":1,"href":"https:\/\/www.ddosidc.com\/wp\/wp-json\/wp\/v2\/posts\/1502\/revisions"}],"predecessor-version":[{"id":1505,"href":"https:\/\/www.ddosidc.com\/wp\/wp-json\/wp\/v2\/posts\/1502\/revisions\/1505"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ddosidc.com\/wp\/wp-json\/wp\/v2\/media\/1503"}],"wp:attachment":[{"href":"https:\/\/www.ddosidc.com\/wp\/wp-json\/wp\/v2\/media?parent=1502"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ddosidc.com\/wp\/wp-json\/wp\/v2\/categories?post=1502"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ddosidc.com\/wp\/wp-json\/wp\/v2\/tags?post=1502"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.ddosidc.com\/wp\/wp-json\/wp\/v2\/topic?post=1502"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}