{"id":3582,"date":"2018-07-17T13:08:40","date_gmt":"2018-07-17T05:08:40","guid":{"rendered":"http:\/\/cn.hostease.com\/xueyuan\/?p=3582"},"modified":"2018-07-17T13:08:40","modified_gmt":"2018-07-17T05:08:40","slug":"%e5%b8%b8%e7%94%a8%e5%88%b0%e7%9a%84iptables%e8%84%9a%e6%9c%ac","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/xueyuan\/hemanual\/%e5%b8%b8%e7%94%a8%e5%88%b0%e7%9a%84iptables%e8%84%9a%e6%9c%ac\/","title":{"rendered":"\u5e38\u7528\u5230\u7684iptables\u811a\u672c"},"content":{"rendered":"<p>#!\/bin\/bash<br \/>\nexport PATH=\/sbin:\/usr\/sbin:\/bin:\/usr\/bin<\/p>\n<p>iptables -F<br \/>\niptables -X<br \/>\niptables -Z<\/p>\n<p>#\u8fdc\u7a0bSSH\u767b\u9646,\u6211\u4eec\u8981\u5f00\u542f22\u7aef\u53e3<br \/>\niptables -A INPUT -p tcp &#8211;dport 22 -j ACCEPT<\/p>\n<p>#WEB\u670d\u52a1\u5668,\u5f00\u542f80\u7aef\u53e3<br \/>\niptables -A INPUT -p tcp &#8211;dport 80 -j ACCEPT<\/p>\n<p>#\u90ae\u4ef6\u670d\u52a1\u5668,\u5f00\u542f25,110\u7aef\u53e3.<br \/>\niptables -A INPUT -p tcp &#8211;dport 110 -j ACCEPT<br \/>\niptables -A INPUT -p tcp &#8211;dport 25 -j ACCEPT<\/p>\n<p>#FTP\u670d\u52a1\u5668,\u5f00\u542f20,21\u7aef\u53e3<\/p>\n<p>iptables -A INPUT -p tcp -m multiport &#8211;dport 21,60000:60050 -j ACCEPT<br \/>\n#\u5982\u679c\u505a\u4e86DNS\u670d\u52a1\u5668,\u5f00\u542f53\u7aef\u53e3<\/p>\n<p>iptables -A INPUT -i lo -j ACCEPT<br \/>\niptables -A INPUT -p udp &#8211;sport 53 -j ACCEPT<br \/>\niptables -A INPUT -p udp &#8211;dport 53 -j ACCEPT<br \/>\n#\u5bf9PING\u505a\u8bbe\u7f6e<br \/>\n#iptables -A INPUT -p icmp &#8211;icmp-type 8 -s 0\/0 -j DROP<br \/>\n#\u6240\u4ee5\u5bf9\u522b\u4eba\u7684\u8bf7\u6c42\u4e22\u5f03\u5e94\u8be5\u5c31\u53ef\u4ee5\u8fbe\u5230\u522b\u4eba\u65e0\u6cd5PING\u7684<br \/>\n#iptables -A OUTPUT -p icmp &#8211;icmp-type 0 -s localip -j DROP<br \/>\n#\u5176\u5b9e\u53ef\u4ee5\u4e0d\u8981 \u5305\u90fd\u4e22\u5f03\u4e86 \u8fd8\u600e\u4e48\u4f1a\u53d1\u51fa\u54cd\u5e94\u7684\u5305\u5462<\/p>\n<p>iptables -A INPUT -p icmp &#8211;icmp-type 8 -s 0\/0 -j ACCEPT<br \/>\niptables -A INPUT -p icmp &#8211;icmp-type 0 -s 0\/0 -j ACCEPT<br \/>\niptables -A OUTPUT -p icmp &#8211;icmp-type 0 -s $FW_IP -j ACCEPT<br \/>\niptables -A OUTPUT -p icmp &#8211;icmp-type 8 -s $FW_IP -j ACCEPT<\/p>\n<p>#\u5f00\u653e\u672c\u673a\u5bf9\u5916\u90e880\u7aef\u53e3<br \/>\niptables -A INPUT -p tcp ! &#8211;syn -s any\/0 &#8211;sport 80 &#8211;dport 1024:65535 -j ACCEPT<br \/>\niptables -P INPUT DROP<\/p>\n<p>\/etc\/rc.d\/init.d\/iptables save<br \/>\nservice iptables restart<\/p>\n","protected":false},"excerpt":{"rendered":"<p>#!\/bin\/bash export PATH=\/sbin:\/usr\/sbin:\/bin:\/usr\/bin i &#8230; <a title=\"\u5e38\u7528\u5230\u7684iptables\u811a\u672c\" class=\"read-more\" href=\"https:\/\/cn.hostease.com\/xueyuan\/hemanual\/%e5%b8%b8%e7%94%a8%e5%88%b0%e7%9a%84iptables%e8%84%9a%e6%9c%ac\/\" aria-label=\"\u9605\u8bfb \u5e38\u7528\u5230\u7684iptables\u811a\u672c\">\u9605\u8bfb\u66f4\u591a<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[3,49,5],"tags":[301],"class_list":["post-3582","post","type-post","status-publish","format-standard","hentry","category-hemanual","category-linux","category-jishu","tag-iptables"],"aioseo_notices":[],"jetpack_featured_media_url":"","jetpack-related-posts":[],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/3582","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/comments?post=3582"}],"version-history":[{"count":1,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/3582\/revisions"}],"predecessor-version":[{"id":3583,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/3582\/revisions\/3583"}],"wp:attachment":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/media?parent=3582"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/categories?post=3582"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/tags?post=3582"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}