{"id":930,"date":"2006-06-23T22:01:00","date_gmt":"2006-06-23T14:01:00","guid":{"rendered":""},"modified":"2024-03-19T21:59:19","modified_gmt":"2024-03-19T13:59:19","slug":"%e7%94%a8linux%e5%81%9a%e7%bd%91%e5%90%a7%e5%8f%8c%e7%ba%bf%e6%8e%a5%e5%85%a5%e6%9c%8d%e5%8a%a1%e5%99%a8","status":"publish","type":"post","link":"https:\/\/www.fatesky.com\/?p=930","title":{"rendered":"\u7528LINUX\u505a\u7f51\u5427\u53cc\u7ebf\u63a5\u5165\u670d\u52a1\u5668"},"content":{"rendered":"

network \u8fd9\u4e2a\u6587\u4ef6\u7684\u610f\u601d\u662f\u4e3b\u7f51\u7edc\u8bbe\u7f6e\u6587\u4ef6
\nifcfg-eth0 eth0 \u8fd9\u4e2a\u6587\u4ef6\u7684\u610f\u601d\u662f\u7f51\u5361\u8bbe\u7f6e\u6587\u4ef6
\nifcfg-eth1 eth1 \u8fd9\u4e2a\u6587\u4ef6\u7684\u610f\u601d\u662f\u7f51\u5361\u8bbe\u7f6e\u6587\u4ef6
\nhosts \u8fd9\u4e2a\u6587\u4ef6\u7684\u610f\u601d\u662f\u7f51\u7edc\u4e3b\u673a\u540d\u914d\u7f6e
\nstatic-routes \u8fd9\u4e2a\u6587\u4ef6\u7684\u610f\u601d\u662f\u9759\u6001\u8def\u7531\u8868\u6587\u4ef6
\nrc.local IPTABLES\u3000\u8fd9\u4e2a\u6587\u4ef6\u7684\u610f\u601d\u662f\u811a\u672c
\nsysctl.conf Linux \u8fd9\u4e2a\u6587\u4ef6\u7684\u610f\u601d\u662f\u5185\u6838\uff29\uff30\u8f6c\u53d1\u542f\u7528\u6587\u4ef6
\n\u8fd9\u51e0\u4e2a\u6587\u4ef6\u5bf9\u5e94\u7684\u76ee\u5f55\u662f\uff1a
\n\/etc\/sysconfig\/network
\n\/etc\/sysconfig\/network-scripts\/ifcfg-eth0
\n\/etc\/sysconfig\/network-scripts\/ifcfg-eth1
\n\/etc\/hosts
\n\/etc\/sysconfig\/static-routes
\n\/etc\/rc.d\/rc.local
\n\/etc\/sysctl.conf <\/p>\n

\u9996\u5148\u6211\u4eec\u4fee\u6539\u4e00\u4e0bifcfg-eth2\uff08\u6211\u4eec\u4ee5\u540e\u63a5\u7f51\u901aIP:11.11.11.11\uff09 ifcfg-eth1\uff08\u7535\u4fe1IP:22.22.22.22\uff09\u548cifcfg-eth0\uff08\u5185\u7f51\uff09\u4e09\u4e2a\u6587\u4ef6\u3002\u8fd9\u662f\u7f51\u5361\u7684IP\u5730\u5740\u6587\u4ef6\uff01
\nifcfg-eth0\u5c31\u5bf9\u5e94\u4f60\u5185\u7f51\u7684IP\u548c\u7f51\u5173\uff08\u5f53\u7136\u8fd9\u4e9b\u53ef\u4ee5\u6839\u636e\u4f60\u7684\u5b9e\u9645\u60c5\u51b5\u8fdb\u884c\u8bbe\u7f6e\uff0c\u4f60\u60f3\u8ba9\u90a3\u4e2a\u505a\u5185\u7f51\u90fd\u662f\u6ca1\u6709\u95ee\u9898\u7684\uff09\u800cifcfg-eth1\u8ddfifcfg-eth2\u5c31\u662f\u5916\u7f51\u7684IP\u548c\u7f51\u5173\u3002
\n\u8fd9\u662f\u91cc\u9762\u7684\u5185\u5bb9\uff1a<\/p>\n

DEVICE=eth1\u786c\u4ef6\u8bbe\u5907\u540d
\nBOOTPROTO=static \u914d\u7f6e\u65b9\u5f0f
\nBROADCAST=192.168.0.255 \u5e7f\u64ad\u5730\u5740
\nIPADDR=192.168.0.1 \u662f\u4f60\u7684IP\u5730\u5740
\nNETMASK=255.255.255.0 \u5b50\u7f51\u63a9\u7801
\nNETWORK=192.168.0.0 \u6574\u4e2a\u7f51\u6bb5\u7684\u5730\u5740
\nGATEWAY=192.168.0.1 \u7684\u7f51\u5173
\nONBOOT=yes \u662f\u5426\u542f\u7528\u7f51\u5361\uff08\u4e00\u822c\u9ed8\u8ba4\u662f\u5f00\u542f\u7684\uff09<\/p>\n

\u5176\u4ed6\u7684\u7f51\u5361\u8bbe\u7f6e\u90fd\u662f\u5dee\u4e0d\u591a\u7684\uff0c\u6211\u5c31\u4e0d\u8bf4\u5e9f\u8bdd\u4e86\u3002
\n\u8bbe\u7f6e\u5b8c\u4e86\u4e4b\u540e\u6211\u4eec\u8bbe\u7f6ehost\u6587\u4ef6\uff0c\u4e5f\u5c31\u662f\u8bbe\u7f6e\u597d\u5de5\u4f5c\u7ec4
\n\u4e0a\u9762\u7684\u5de5\u4f5c\u505a\u5b8c\u4e86\u4e4b\u540e\u6211\u4eec\u4fee\u6539sysctl.conf\uff0c\u4e5f\u5c31\u662fIP\u8f6c\u53d1\u6587\u4ef6\u3002\u5728\u8fd9\u91cc\u6211\u4eec\u4e00\u5b9a\u8981\u8d77\u7528IP\u8f6c\u53d1\u624d\u53ef\u4ee5\u3002\u91cc\u9762\u53ef\u4ee5\u8fd9\u6837\u5199\uff1a
\nnet.ipv4.ip_forward=1
\nnet.ipv4.conf.default.rp_filter=1
\nkernel.sysrq=0<\/p>\n

\u7136\u540e\u5c31\u662fstatic-routes\u6587\u4ef6\u3002\u8fd9\u4e2a\u6587\u4ef6\u662f\u9759\u6001\u8def\u7531\u8868\u6587\u4ef6\uff01\u8fd9\u4e2a\u6587\u4ef6\u8bb0\u5f97\u4e00\u5b9a\u6dfb\u52a0\u624d\u53ef\u4ee5\uff01\u91cc\u9762\u7684\u8bed\u6cd5\u662f\u8fd9\u6837\u7684\uff1a
\neth0\uff08\u8bbe\u5907\u540d\uff09 net\uff08\u7f51\u7edc\u5730\u5740\uff09 192.168.0.0 \uff08\u5b50\u7f51\uff09netmask 255.255.255.0 \uff08\u7f51\u5173\u5730\u5740\uff09gw 192.168.0.1<\/p>\n

\u63a5\u4e0b\u6765\u8be5\u4fee\u6539resolv\u6587\u4ef6\u3002\u8fd9\u4e2a\u6587\u4ef6\u662f\u4f60DNS\u670d\u52a1\u5668\u7684\u5730\u5740\u6587\u4ef6,\u8bed\u6cd5\u662f\uff1a<\/p>\n

nameserver\uff08DNS\u670d\u52a1\u5668\uff09 10.0.0.1
\n\u8fd9\u4e0a\u9762\u8fd9\u4e9b\u662f\u5927\u4f53\u4e0a\u7684\u8bbe\u7f6e\u95ee\u9898\uff0c\u5176\u5b9e\u5f88\u7b80\u5355\u3002\u4e0b\u9762\u8fd9\u4e9b\u5c31\u8981\u5927\u5bb6\u597d\u597d\u770b\u4e86\uff0c\u4e5f\u5c31\u662f\u6211\u4eec\u9700\u8981\u7684\u53cc\u7ebf\u63a5\u5165\u7684\u7b56\u7565\u4e86\u3002
\n \u9996\u5148\u5c06\u4ece\u4e24\u4e2aWAN\u53e3\u51fa\u53bb\u7684\u6570\u636e\u5305\u8fdb\u884cIP\u4f2a\u88c5masquerade
\n \/sbin\/iptables -t nat -A postrouting -o eth1 -j masquerade
\n \/sbin\/iptables -t nat -A postrouting -o eth2 -j masquerade
\n\uff08\u4e0a\u9762\u63d0\u5230\u7684A\u7684\u610f\u601d\u662fappend\uff0c\u662f\u8ffd\u52a0\uff0c\u5f53\u7136\u4e5f\u53ef\u4ee5\u7528-I\uff0c\u4e0d\u8fc7I\u662finsert\uff0c\u662f\u63d2\u5165\uff0c\u9ed8\u8ba4\u63d2\u5165\u5230\u7b2c\u4e00\u6761 \uff09<\/p>\n

\u7136\u540e\uff0c\u7ed9\u7cfb\u7edf\u589e\u52a0\u4e00\u4e2a\u6807\u793a\u4e3a11\u7684\u8def\u7531\u8868\uff0c\u589e\u52a0\u4e00\u4e2a\u9ed8\u8ba4\u7f51\u5173\uff0c\u8fd9\u4e2a\u9ed8\u8ba4\u7f51\u5173\u662f\u7f51\u901a\u63d0\u4f9b\u7684\u7f51\u5173\u3002
\n ip route add 0\/0 via 11.11.11.11table 11
\n \u7136\u540e\u7ed9\u7cfb\u7edf\u4e3b\u8def\u7531\u8868\u914d\u7f6e\u7f51\u5173\uff0c\u8fd9\u4e2a\u7f51\u5173\u662f\u7535\u4fe1\u7684\u7f51\u5173
\n ip route add 0\/0 via 22.22.22.22
\n \u7136\u540e\u6dfb\u52a0\u8def\u7531\u89c4\u5219\uff0c\u8ba9\u6240\u6709\u901a\u5411\u7f51\u901a\u7684\u6570\u636e\u67e5\u8be2\u6807\u793a\u4e3a11\u7684\u8def\u7531\u8868\uff1a
\n ip rule add to 60.0.0.0\/13 table 11
\n ip rule add to 60.8.0.0\/15 table 11
\n ip rule add to 60.10.0.0\/16 table 11
\n ……….
\n \u8fd9\u4e9b\u89c4\u5219\uff0c\u5927\u5bb6\u53ef\u4ee5\u501f\u9274\u4e00\u4e0brouteros\u7684\uff0c\u7f51\u4e0a\u5f88\u591a\uff0c\u6211\u5c31\u4e0d\u8bf4\u4e86\uff0c\u6ca1\u6709\u7684\u53ef\u4ee5\u8ddf\u6211\u8981\u3002\u6211\u7684\u662fMMS\u7684\uff0c\u5e94\u8be5\u662f\u6bd4\u8f83\u5168\u4e86
\n \u7ecf\u8fc7\u6211\u4eec\u7684\u8bbe\u7f6e\u6240\u6709\u901a\u5411\u7f51\u901a\u7684\u6570\u636e\u4f1a\u67e5\u8be2\u8def\u7531\u886811\uff0c\u800c\u901a\u5411\u5176\u4ed6\u7684\u5730\u65b9\u7684\u6570\u636e\uff0c\u901a\u5411\u7535\u4fe1\u3002\uff08\u5982\u679c\u8fd8\u6709\u5176\u4ed6\u7684\u7ebf\u8def\uff0c\u518d\u589e\u52a0\u8def\u7531\u8868\uff0c\u518d\u589e\u52a0\u7b56\u7565\u5c31\u53ef\u4ee5\u4e86\uff09
\n \u8981\u6ce8\u610f\u7684\u662f\uff0c\u5728\u914d\u7f6e\u7f51\u5361\u7684\u65f6\u5019\uff0c\u5148\u4e0d\u8981\u914d\u7f6e\u7f51\u5173\uff0c\u4e0d\u8981\u4f7f\u7528\u8001\u7684ifconfig\u547d\u4ee4\u6765\u914d\u7f6e\u7f51\u5173\uff0c\u800c\u8981\u4f7f\u7528iproute2\u6765\u914d\u7f6e\u7f51\u5173\uff0c\u5426\u5219\u4f1a\u9020\u6210\u51b2\u7a81\uff0c\u6216\u8005 \u4f7f\u7528 ip route replace \u547d\u4ee4\u6765\u66ff\u6362 ip route add \u547d\u4ee4\u3002 <\/p>\n

\u8fd8\u6709\u4e00\u4e2a\u505a\u6cd5\u662f\uff1a
\n Internet
\n | |
\n | |
\n \u7535\u4fe1 \u7f51\u901a
\n | |
\n |
\n \u4ea4\u6362\u673a
\n |
\n eth1 eth2
\n Server
\n eth0
\n |
\n _____________
\n \u5ba2\u6237\u673a \u5ba2\u6237\u673a \u5ba2\u6237\u673a \u5ba2\u6237\u673a192.168.0.0\/24 \u7f51\u5173192.168.0.254<\/p>\n

\u5176\u4e2deth0 ip 192.168.0.0\/24
\n eth1 222.168.1.3\/255.255.255.252
\n eth2 218.62.3.3\/255.255.255.252
\n \u9ed8\u8ba4\u7f51\u5173\u4e3a\u7f51\u901a\u7684218.62.3.2
\n \u52a0\u4e0aip route add\u7684\u7535\u4fe1\u7f51\u5173 222.168.1.2<\/p>\n

\u90e8\u5206\u811a\u672c\u4e3a
\niptables -t nat -I POSTROUTING -s 192.168.0.0\/24 -d $\u7535\u4fe1ip -j SNAT –to 222.168.1.3
\n***
\n***
\n***
\niptables -t nat -A POSTROUTING -s 192.168.0.0\/24 -j SNAT –to 218.62.3.3<\/p>\n

\u8fd9\u6837\u5462\u5c31\u5b9e\u73b0\u4e86\u4e00\u4e2a\u7f51\u6bb5\u7684\u7535\u4fe1\u7f51\u901a\u81ea\u52a8\u5207\u6362<\/p>\n

\u524d\u671f\u6d4b\u8bd5:\u5982\u679c\u5355\u72ec\u5207\u6362ip,\u5185\u7f51\u540c\u65f6\u5e76\u5b58192.168.0.254\/24 192.168.2.254\/24\u4e24\u4e2a\u7f51\u5173,\u901f\u5ea6\u5f88\u7a33\u5b9a,\u53ef\u4ee5\u5b9e\u73b0\u9884\u671f\u6548\u679c<\/p>\n

# echo “200 DIANXIN” >;>; \/etc\/iproute2\/rt_table\uff08\u8fd9\u4e2a\u662f\u6dfb\u52a0\u5230\u6587\u4ef6\uff0c\u6267\u884c\u4e00\u6b21\u5373\u53ef\uff09
\n# ip route replace default via 222.168.1.2 table DIANXIN
\n# ip rule add fwmark 1 table DIANXIN\uff08\u8fd9\u4e2a\u6ce8\u610f\u987a\u5e8f\uff0c\u7528ip rule\u53ef\u4ee5\u67e5\u770b\uff09
\n# iptables -t nat -F
\n# iptables -t mangle -F
\n# iptables -t mangle -A PREROUTING -i eth0 -s 192.168.0.0\/24 -d 222.222.5.0\/15 -j MARK –set-mark 1
\n# iptables -t mangle -A PREROUTING -i eth0 -s 192.168.0.0\/24 -d 222.240.0.0\/13 -j MARK –set-mark 1
\n# iptables -t nat -A POSTROUTING -s 192.168.0.0\/24 -d 222.222.5.0\/15 -j SNAT –to $DIANXIN
\n# iptables -t nat -A POSTROUTING -s 192.168.0.0\/24 -d 222.240.0.0\/13 -j SNAT –to $DIANXIN
\n# iptables -t nat -A POSTROUTING -s 192.168.0.0\/24 -j SNAT –to $\u63a5\u7f51\u901a\u7ebf\u8def\u7f51\u5361\u7684\u5730\u5740
\n# ip route flush cache
\n\u8fd9\u6837\u7684\u7ed3\u679c\uff0c\u662f\u8bbf\u95ee222.222.5.0\/15\u548c222.240.0.0\/13\u8d70\u7535\u4fe1\u7f51\u5361\u3001\u7535\u4fe1\u8def\u7531\uff0c\u4f2a\u88c5\u6210\u7535\u4fe1\u51fa\u53e3\u5730\u5740\uff0c\u5176\u4ed6\u9ed8\u8ba4\u7f51\u901a<\/p>\n","protected":false},"excerpt":{"rendered":"

network \u8fd9\u4e2a\u6587\u4ef6\u7684\u610f\u601d\u662f\u4e3b\u7f51\u7edc\u8bbe\u7f6e\u6587\u4ef6 ifcfg-eth0 eth0 \u8fd9\u4e2a\u6587\u4ef6\u7684\u610f\u601d\u662f\u7f51\u5361\u8bbe\u7f6e\u6587\u4ef6 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-930","post","type-post","status-publish","format-standard","hentry","category-2"],"_links":{"self":[{"href":"https:\/\/www.fatesky.com\/index.php?rest_route=\/wp\/v2\/posts\/930","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fatesky.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fatesky.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fatesky.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fatesky.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=930"}],"version-history":[{"count":1,"href":"https:\/\/www.fatesky.com\/index.php?rest_route=\/wp\/v2\/posts\/930\/revisions"}],"predecessor-version":[{"id":4253,"href":"https:\/\/www.fatesky.com\/index.php?rest_route=\/wp\/v2\/posts\/930\/revisions\/4253"}],"wp:attachment":[{"href":"https:\/\/www.fatesky.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=930"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fatesky.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=930"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fatesky.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=930"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}