{"id":26,"date":"2011-06-01T13:31:17","date_gmt":"2011-06-01T05:31:17","guid":{"rendered":"http:\/\/www.kiccleaf.com\/?p=26"},"modified":"2020-08-27T15:42:49","modified_gmt":"2020-08-27T07:42:49","slug":"iptables%e9%98%b2%e7%81%ab%e5%a2%99%e9%85%8d%e7%bd%ae%e8%84%9a%e6%9c%ac","status":"publish","type":"post","link":"http:\/\/www.kiccleaf.com\/?p=26","title":{"rendered":"iptables\u9632\u706b\u5899\u914d\u7f6e\u811a\u672c"},"content":{"rendered":"<p>\u672c\u4eba\u65e5\u5e38\u4f7f\u7528\u7684\u9632\u706b\u5899\u89c4\u5219\uff0c\u4e3a\u4e86\u65b9\u4fbf\u90e8\u7f72\uff0c\u7279\u610f\u5199\u6210\u4e86\u4e00\u4e2a\u811a\u672c\u3002\u6709\u9700\u8981\u7684\u670b\u53cb\u53ef\u4ee5\u590d\u5236\u4e0b\u9762\u7684\u5185\u5bb9\u4fdd\u5b58\u6210\u5982 iptable_install.sh \u6587\u4ef6\u7136\u540e\u518d\u6267\u884c\u3002<br \/>\n\u4ee3\u7801\uff1a<\/p>\n<pre class=\"brush: bash; title: ; notranslate\" title=\"\">\r\n#!\/bin\/bash\r\n# Check if user is root\r\nif &#x5B; $(id -u) != &quot;0&quot; ]; then\r\necho &quot;Error: You must be root to run this script, use sudo sh $0&quot;\r\nexit 1\r\nfi\r\necho &quot;\u8fc7\u8651\u8815\u866b\u75c5\u6bd2&quot;\r\n\/sbin\/iptables -A FORWARD -p tcp --dport 4444 -j DROP\r\n\/sbin\/iptables -A FORWARD -p udp --dport 4444 -j DROP\r\n\/sbin\/iptables -A FORWARD -p tcp --dport 445 -j DROP\r\n\/sbin\/iptables -A FORWARD -p udp --dport 445 -j DROP\r\n\/sbin\/iptables -A FORWARD -p tcp --dport 69 -j DROP\r\n\/sbin\/iptables -A FORWARD -p udp --dport 69 -j DROP\r\n\/sbin\/iptables -A FORWARD -p tcp --dport 135 -j DROP\r\n\/sbin\/iptables -A FORWARD -p udp --dport 135 -j DROP\r\n\/sbin\/iptables -A FORWARD -p tcp --dport 139 -j DROP\r\n\/sbin\/iptables -A FORWARD -p udp --dport 139 -j DROP\r\necho &quot;\u8fdc\u7a0bSSH,WEB,FTP&quot;\r\n\/sbin\/iptables -A INPUT -p tcp --dport 22 -j ACCEPT\r\n\/sbin\/iptables -A OUTPUT -p tcp --sport 22 -j ACCEPT\r\n\/sbin\/iptables -A OUTPUT -p tcp --sport 80 -j ACCEPT\r\n\/sbin\/iptables -A INPUT -p tcp --dport 80 -j ACCEPT\r\n\/sbin\/iptables -A INPUT -p tcp --dport 21 -j ACCEPT\r\n\/sbin\/iptables -A INPUT -p tcp --dport 20 -j ACCEPT\r\n\/sbin\/iptables -A OUTPUT -p icmp -j ACCEPT\r\n\/sbin\/iptables -A INPUT -p icmp -j ACCEPT\r\n\/sbin\/iptables -A INPUT -i lo -p all -j ACCEPT\r\n\/sbin\/iptables -A INPUT -i lo -p all -j ACCEPT\r\n\/sbin\/iptables -A OUTPUT -o lo -p all -j ACCEPT\r\n#\u5173\u95ed\u6728\u9a6c\u7a0b\u5e8fBO2000\u7684\u9ed8\u8ba4\u670d\u52a1\u7aef\u53e3\r\n#\u7981\u6b6231337\u7aef\u53e3\u53d1\u9001TCP\u5305\r\n\/sbin\/iptables -A OUTPUT -p tcp --sport 31337 -j DROP\r\n#\u7981\u6b62\u671d\u5176\u4ed6\u673a\u5668\u768431337\u53d1\u9001\u5305\r\n\/sbin\/iptables -A OUTPUT -p tcp --dport 31337 -j DROP\r\n\/sbin\/iptables -A INPUT -m state --state INVALID -j DROP\r\n\/sbin\/iptables -A OUTPUT -m state --state INVALID -j DROP\r\n\/sbin\/iptables -A FORWARD -m state --state INVALID -j DROP\r\n\/sbin\/iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT\r\n\/sbin\/iptables -A OUTPUT -m state --state ESTABLISHED,RELATED -j ACCEPT\r\n#\u4e0d\u8f6c\u53d1\u4e0d\u6b63\u5e38\u7684\u5305\r\n\/sbin\/iptables -A FORWARD -m conntrack --ctstate INVALID -j DROP\r\n#\u8fde\u7eed\u63a5\u53d710\u4e2aPING\u5305\u4ee5\u540e\uff0c\u9650\u5236\u6bcf\u79d2\u53ea\u63a5\u53d71\u4e2aPING\u5305\r\n\/sbin\/iptables -A INPUT -p icmp -m limit --limit 1\/sec --limit-burst 10 -j ACCEPT\r\n#\u8fde\u7eed\u8f6c\u53d110\u4e2aPING\u5305\u4ee5\u540e\uff0c\u9650\u5236\u6bcf\u79d2\u53ea\u8f6c\u53d11\u4e2aPING\u5305\r\n\/sbin\/iptables -A FORWARD -p icmp -m limit --limit 1\/sec --limit-burst 10 -j ACCEPT\r\n\/etc\/rc.d\/init.d\/iptables save\r\n\/etc\/init.d\/iptables restart\r\n\u6709\u9700\u8981\u811a\u672c\u7684\u8bf7\u70b9\u4e0b\u9762\u94fe\u63a5\u4e0b\u8f7d\r\n\r\n<\/pre>\n<p><a href=\"http:\/\/www.kiccleaf.com\/wp-content\/uploads\/2011\/06\/iptables_install.zip\">\u6211\u7684sh\u811a\u672c<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u4eba\u65e5\u5e38\u4f7f\u7528\u7684\u9632\u706b\u5899\u89c4\u5219\uff0c\u4e3a\u4e86\u65b9\u4fbf\u90e8\u7f72\uff0c\u7279\u610f\u5199\u6210\u4e86&#8230;<\/p>\n<div class=\"more-link-wrapper\"><a class=\"more-link\" href=\"http:\/\/www.kiccleaf.com\/?p=26\">Continue reading<span class=\"screen-reader-text\">iptables\u9632\u706b\u5899\u914d\u7f6e\u811a\u672c<\/span><\/a><\/div>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"iawp_total_views":4,"footnotes":""},"categories":[4],"tags":[11,12],"class_list":["post-26","post","type-post","status-publish","format-standard","hentry","category-linux-","tag-iptables","tag-12","entry"],"views":3503,"_links":{"self":[{"href":"http:\/\/www.kiccleaf.com\/index.php?rest_route=\/wp\/v2\/posts\/26","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.kiccleaf.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.kiccleaf.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.kiccleaf.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.kiccleaf.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=26"}],"version-history":[{"count":1,"href":"http:\/\/www.kiccleaf.com\/index.php?rest_route=\/wp\/v2\/posts\/26\/revisions"}],"predecessor-version":[{"id":690,"href":"http:\/\/www.kiccleaf.com\/index.php?rest_route=\/wp\/v2\/posts\/26\/revisions\/690"}],"wp:attachment":[{"href":"http:\/\/www.kiccleaf.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=26"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.kiccleaf.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=26"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.kiccleaf.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=26"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}