{"id":673,"date":"2017-09-13T13:27:36","date_gmt":"2017-09-13T05:27:36","guid":{"rendered":"http:\/\/www.xiaobo.li\/?p=673"},"modified":"2018-04-24T15:59:44","modified_gmt":"2018-04-24T07:59:44","slug":"iptables-cases","status":"publish","type":"post","link":"https:\/\/www.xiaobo.li\/notes\/archives\/673","title":{"rendered":"iptables cases"},"content":{"rendered":"

#\u67e5\u770biptables\u73b0\u6709\u89c4\u5219
\niptables -L -n
\n#\u5148\u5141\u8bb8\u6240\u6709,\u4e0d\u7136\u6709\u53ef\u80fd\u4f1a\u676f\u5177
\niptables -P INPUT ACCEPT
\n#\u6e05\u7a7a\u6240\u6709\u9ed8\u8ba4\u89c4\u5219
\niptables -F
\n#\u6e05\u7a7a\u6240\u6709\u81ea\u5b9a\u4e49\u89c4\u5219
\niptables -X
\n#\u6240\u6709\u8ba1\u6570\u5668\u5f520
\niptables -Z
\n#\u5141\u8bb8\u6765\u81ea\u4e8elo\u63a5\u53e3\u7684\u6570\u636e\u5305(\u672c\u5730\u8bbf\u95ee)
\niptables -A INPUT -i lo -j ACCEPT
\n#\u5f00\u653e22\u7aef\u53e3
\niptables -A INPUT -p tcp --dport 22 -j ACCEPT
\n#\u5f00\u653e21\u7aef\u53e3(FTP)
\niptables -A INPUT -p tcp --dport 21 -j ACCEPT
\n#\u5f00\u653e80\u7aef\u53e3(HTTP)
\niptables -A INPUT -p tcp --dport 80 -j ACCEPT
\n#\u5f00\u653e443\u7aef\u53e3(HTTPS)
\niptables -A INPUT -p tcp --dport 443 -j ACCEPT
\n#\u5141\u8bb8ping
\niptables -A INPUT -p icmp --icmp-type 8 -j ACCEPT
\n#\u5141\u8bb8\u63a5\u53d7\u672c\u673a\u8bf7\u6c42\u4e4b\u540e\u7684\u8fd4\u56de\u6570\u636e RELATED,\u662f\u4e3aFTP\u8bbe\u7f6e\u7684
\niptables -A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
\n#\u5176\u4ed6\u5165\u7ad9\u4e00\u5f8b\u4e22\u5f03
\niptables -P INPUT DROP
\n#\u6240\u6709\u51fa\u7ad9\u4e00\u5f8b\u7eff\u706f
\niptables -P OUTPUT ACCEPT
\n#\u6240\u6709\u8f6c\u53d1\u4e00\u5f8b\u4e22\u5f03
\niptables -P FORWARD DROP<\/p>\n

 <\/p>\n

#\u5982\u679c\u8981\u6dfb\u52a0\u5185\u7f51ip\u4fe1\u4efb\uff08\u63a5\u53d7\u5176\u6240\u6709TCP\u8bf7\u6c42\uff09
\niptables -A INPUT -p tcp -s 45.96.174.68 -j ACCEPT
\n#\u8fc7\u6ee4\u6240\u6709\u975e\u4ee5\u4e0a\u89c4\u5219\u7684\u8bf7\u6c42
\niptables -P INPUT DROP
\n#\u8981\u5c01\u505c\u4e00\u4e2aIP\uff0c\u4f7f\u7528\u4e0b\u9762\u8fd9\u6761\u547d\u4ee4\uff1a
\niptables -I INPUT -s ***.***.***.*** -j DROP
\n#\u8981\u89e3\u5c01\u4e00\u4e2aIP\uff0c\u4f7f\u7528\u4e0b\u9762\u8fd9\u6761\u547d\u4ee4:
\niptables -D INPUT -s ***.***.***.*** -j DROP
\nIPSEC NAT \u7b56\u7565
\niptables -I PFWanPriv -d 192.168.100.2 -j ACCEPT
\niptables -t nat -A PREROUTING -p tcp --dport 80 -d $INTERNET_ADDR -j DNAT --to-destination 192.168.100.2:80
\niptables -t nat -A PREROUTING -p tcp --dport 1723 -d $INTERNET_ADDR -j DNAT --to-destination 192.168.100.2:1723
\niptables -t nat -A PREROUTING -p udp --dport 1723 -d $INTERNET_ADDR -j DNAT --to-destination 192.168.100.2:1723
\niptables -t nat -A PREROUTING -p udp --dport 500 -d $INTERNET_ADDR -j DNAT --to-destination 192.168.100.2:500
\niptables -t nat -A PREROUTING -p udp --dport 4500 -d $INTERNET_ADDR -j DNAT --to-destination 192.168.100.2:4500<\/p>\n

FTP\u670d\u52a1\u5668\u7684NAT
\niptables -I PFWanPriv -p tcp --dport 21 -d 192.168.1.22 -j ACCEPT
\niptables -t nat -A PREROUTING -p tcp --dport 21 -d $INTERNET_ADDR -j DNAT --to-destination 192.168.1.22:21<\/p>\n

\u53ea\u5141\u8bb8\u8bbf\u95ee\u6307\u5b9a\u7f51\u5740
\niptables -A Filter -p udp --dport 53 -j ACCEPT
\niptables -A Filter -p tcp --dport 53 -j ACCEPT
\niptables -A Filter -d www.ctohome.com -j ACCEPT
\niptables -A Filter -d www.guowaivps.com -j ACCEPT
\niptables -A Filter -j DROP<\/p>\n

\u5f00\u653e\u4e00\u4e2aIP\u7684\u4e00\u4e9b\u7aef\u53e3\uff0c\u5176\u5b83\u90fd\u5c01\u95ed
\niptables -A Filter -p tcp --dport 80 -s 192.168.1.22 -d www.pconline.com.cn -j ACCEPT
\niptables -A Filter -p tcp --dport 25 -s 192.168.1.22 -j ACCEPT
\niptables -A Filter -p tcp --dport 109 -s 192.168.1.22 -j ACCEPT
\niptables -A Filter -p tcp --dport 110 -s 192.168.1.22 -j ACCEPT
\niptables -A Filter -p tcp --dport 53 -j ACCEPT
\niptables -A Filter -p udp --dport 53 -j ACCEPT
\niptables -A Filter -j DROP<\/p>\n

\u591a\u4e2a\u7aef\u53e3
\niptables -A Filter -p tcp -m multiport --destination-port 22,53,80,110 -s 192.168.20.3 -j REJECT<\/p>\n

\u8fde\u7eed\u7aef\u53e3
\niptables -A Filter -p tcp -m multiport --source-port 22,53,80,110 -s 192.168.20.3 -j REJECT iptables -A Filter -p tcp --source-port 2:80 -s 192.168.20.3 -j REJECT<\/p>\n

\u6307\u5b9a\u65f6\u95f4\u4e0a\u7f51
\niptables -A Filter -s 10.10.10.253 -m time --timestart 6:00 --timestop 11:00 --days Mon,Tue,Wed,Thu,Fri,Sat,Sun -j DROP
\niptables -A Filter -m time --timestart 12:00 --timestop 13:00 --days Mon,Tue,Wed,Thu,Fri,Sat,Sun -j ACCEPT
\niptables -A Filter -m time --timestart 17:30 --timestop 8:30 --days Mon,Tue,Wed,Thu,Fri,Sat,Sun -j ACCEPT<\/p>\n

\u7981\u6b62\u591a\u4e2a\u7aef\u53e3\u670d\u52a1
\niptables -A Filter -m multiport -p tcp --dport 21,23,80 -j ACCEPT<\/p>\n

\u5c06WAN \u53e3NAT\u5230PC
\niptables -t nat -A PREROUTING -i $INTERNET_IF -d $INTERNET_ADDR -j DNAT --to-destination 192.168.0.1<\/p>\n

\u5c06WAN\u53e38000\u7aef\u53e3NAT\u5230192\u3002168\u3002100\u3002200\u768480\u7aef\u53e3
\niptables -t nat -A PREROUTING -p tcp --dport 8000 -d $INTERNET_ADDR -j DNAT --to-destination 192.168.1.22:80<\/p>\n

MAIL\u670d\u52a1\u5668\u8981\u8f6c\u7684\u7aef\u53e3
\niptables -t nat -A PREROUTING -p tcp --dport 110 -d $INTERNET_ADDR -j DNAT --to-destination 192.168.1.22:110
\niptables -t nat -A PREROUTING -p tcp --dport 25 -d $INTERNET_ADDR -j DNAT --to-destination 192.168.1.22:25<\/p>\n

\u53ea\u5141\u8bb8PING 202\u300296\u3002134\u3002133,\u522b\u7684\u670d\u52a1\u90fd\u7981\u6b62
\niptables -A Filter -p icmp -s 192.168.1.22 -d 202.96.134.133 -j ACCEPT
\niptables -A Filter -j DROP<\/p>\n

\u7981\u7528BT\u914d\u7f6e
\niptables \u2013A Filter \u2013p tcp \u2013dport 6000:20000 \u2013j DROP<\/p>\n

\u7981\u7528QQ\u9632\u706b\u5899\u914d\u7f6e
\niptables -A Filter -p udp --dport ! 53 -j DROP
\niptables -A Filter -d 218.17.209.0\/24 -j DROP
\niptables -A Filter -d 218.18.95.0\/24 -j DROP
\niptables -A Filter -d 219.133.40.177 -j DROP<\/p>\n

\u57fa\u4e8eMAC\uff0c\u53ea\u80fd\u6536\u53d1\u90ae\u4ef6\uff0c\u5176\u5b83\u90fd\u62d2\u7edd
\niptables -I Filter -m mac --mac-source 00:0A:EB:97:79:A1 -j DROP
\niptables -I Filter -m mac --mac-source 00:0A:EB:97:79:A1 -p tcp --dport 25 -j ACCEPT
\niptables -I Filter -m mac --mac-source 00:0A:EB:97:79:A1 -p tcp --dport 110 -j ACCEPT<\/p>\n

\u7981\u7528MSN\u914d\u7f6e
\niptables -A Filter -p udp --dport 9 -j DROP
\niptables -A Filter -p tcp --dport 1863 -j DROP
\niptables -A Filter -p tcp --dport 80 -d 207.68.178.238 -j DROP
\niptables -A Filter -p tcp --dport 80 -d 207.46.110.0\/24 -j DROP<\/p>\n

\u53ea\u5141\u8bb8PING 202\u300296\u3002134\u3002133 \u5176\u5b83\u516c\u7f51IP\u90fd\u4e0d\u8bb8PING
\niptables -A Filter -p icmp -s 192.168.1.22 -d 202.96.134.133 -j ACCEPT
\niptables -A Filter -p icmp -j DROP<\/p>\n

\u7981\u6b62\u67d0\u4e2aMAC\u5730\u5740\u8bbf\u95eeinternet:
\niptables -I Filter -m mac --mac-source 00:20:18:8F:72:F8 -j DROP<\/p>\n

\u7981\u6b62\u67d0\u4e2aIP\u5730\u5740\u7684PING:
\niptables \u2013A Filter \u2013p icmp \u2013s 192.168.0.1 \u2013j DROP<\/p>\n

\u7981\u6b62\u67d0\u4e2aIP\u5730\u5740\u670d\u52a1\uff1a
\niptables \u2013A Filter -p tcp -s 192.168.0.1 --dport 80 -j DROP
\niptables \u2013A Filter -p udp -s 192.168.0.1 --dport 53 -j DROP<\/p>\n

\u53ea\u5141\u8bb8\u67d0\u4e9b\u670d\u52a1\uff0c\u5176\u4ed6\u90fd\u62d2\u7edd(2\u6761\u89c4\u5219)
\niptables -A Filter -p tcp -s 192.168.0.1 --dport 1000 -j ACCEPT
\niptables -A Filter -j DROP<\/p>\n

\u7981\u6b62\u67d0\u4e2aIP\u5730\u5740\u7684\u67d0\u4e2a\u7aef\u53e3\u670d\u52a1
\niptables -A Filter -p tcp -s 10.10.10.253 --dport 80 -j ACCEPT
\niptables -A Filter -p tcp -s 10.10.10.253 --dport 80 -j DROP<\/p>\n

\u7981\u6b62\u67d0\u4e2aMAC\u5730\u5740\u7684\u67d0\u4e2a\u7aef\u53e3\u670d\u52a1<\/p>\n

iptables -I Filter -p tcp -m mac --mac-source 00:20:18:8F:72:F8 --dport 80 -j DROP<\/p>\n

\u7981\u6b62\u67d0\u4e2aMAC\u5730\u5740\u8bbf\u95eeinternet:
\niptables -I Filter -m mac --mac-source 00:11:22:33:44:55 -j DROP<\/p>\n

\u7981\u6b62\u67d0\u4e2aIP\u5730\u5740\u7684PING:
\niptables \u2013A Filter \u2013p icmp \u2013s 192.168.0.1 \u2013j DROP<\/p>\n","protected":false},"excerpt":{"rendered":"

#\u67e5\u770biptables\u73b0\u6709\u89c4\u5219 iptables -L -n #\u5148\u5141\u8bb8\u6240\u6709,\u4e0d\u7136 … \u7ee7\u7eed\u9605\u8bfb →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[287],"tags":[7],"class_list":["post-673","post","type-post","status-publish","format-standard","hentry","category-linux","tag-IPTABLES"],"_links":{"self":[{"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/posts\/673","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/comments?post=673"}],"version-history":[{"count":0,"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/posts\/673\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/media?parent=673"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/categories?post=673"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/tags?post=673"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}