{"id":11045,"date":"2025-04-18T18:23:45","date_gmt":"2025-04-18T10:23:45","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/11045.html"},"modified":"2025-04-18T18:23:45","modified_gmt":"2025-04-18T10:23:45","slug":"%e3%80%90%e5%8d%8e%e4%b8%baensp%e9%98%b2%e7%81%ab%e5%a2%99%e3%80%91%e5%8f%8c%e6%9c%ba%e7%83%ad%e5%a4%87nat%e5%a4%96%e7%bd%91%e8%ae%bf%e9%97%ae%e5%86%85%e9%83%a8%e6%9c%8d%e5%8a%a1%e5%99%a8%ef%bc%88ht","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/11045.html","title":{"rendered":"\u3010\u534e\u4e3aensp\u9632\u706b\u5899\u3011\u53cc\u673a\u70ed\u5907+NAT+\u5916\u7f51\u8bbf\u95ee\u5185\u90e8\u670d\u52a1\u5668\uff08http\u3001ftp\uff09"},"content":{"rendered":"

\u9632\u706b\u5899\u7406\u8bba：<\/h2>\n

1\u3001\u8def\u7531\u3001\u900f\u660e\u3001\u6df7\u5408 2\u3001\u533a\u57df：Local\u3001Trust\u3001Dmz\u3001Untrust 3\u3001\u5b89\u5168\u7b56\u7565，\u533a\u57df\u64cd\u4f5c，IP \u00a0 \u00a0\u6761\u4ef6\u3001\u64cd\u4f5c\u3001\u914d\u7f6e\u6587\u4ef6（\u6839\u636e\u73b0\u4eca\u60c5\u51b5，\u53e6\u5916\u7684\u5b89\u5168\u4ea7\u54c1\u66ff\u4ee3） \u00a0 \u00a0NAT\u7b56\u7565：\u6e90\u5730\u5740\u3001\u76ee\u7684\u5730\u5740\u3001\u53cc\u5411 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u9759\u6001\u3001\u52a8\u6001\u3001NAPT\u3001Easy-IP \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 Nat Server<\/p>\n

\u53cc\u673a\u70ed\u5907+NAT+\u5916\u7f51\u8bbf\u95ee\u5185\u90e8\u670d\u52a1\u5668\u5b9e\u9a8c\u8981\u6c42：<\/h2>\n

1\u3001PC1\u3001Server \u6a21\u62df\u5185\u7f51\u8bbe\u5907，\u4f4d\u4e8e\u9632\u706b\u5899\u7684Trust\u533a\u57df； 2\u3001Client1\u6a21\u62dfInternet，\u4f4d\u4e8e\u9632\u706b\u5899\u7684Untrust\u533a\u57df； 3\u3001\u9632\u706b\u5899\u90e8\u7f72\u53cc\u673a\u70ed\u5907，\u5de5\u4f5c\u65b9\u5f0f\u4e3a\u4e3b\u5907，\u6b63\u5e38\u60c5\u51b5\u4e0bFW1\u4e3a\u4e3b，FW2\u4e3a\u5907； 4\u3001\u8981\u6c42PC1\u80fd\u591f\u8bbf\u95ee\u4f4d\u4e8e\u5916\u7f51\u7684PC2，\u5e76\u4e14\u8bbf\u95ee\u65f6\u9700\u8fdb\u884cNAT\u6e90\u5730\u5740\u8f6c\u6362， \u4f7f\u7528\u7684\u5730\u5740\u6c60\u533a\u95f4\u662f200.1.1.10\u81f3200.1.1.20；PC2\u80fd\u591f\u4ee5200.1.1.29\u4e3a\u76ee\u7684\u5730\u5740\u8bbf\u95eeServer\u7684FTP\u670d\u52a1 5\u3001\u8981\u6c42Client1\u8bbf\u95eeDMZ\u533a\u57dfServer3 HTTP\u670d\u52a1，\u4ee5200.1.1.100\u4e3a\u76ee\u7684\u5730\u5740<\/p>\n

\u4ee5\u4e0b\u662f\u62d3\u6251\u56fe：<\/p>\n

\"\"<\/p>\n

\u57fa\u7840\u914d\u7f6e：<\/h2>\n

FW1<\/p>\n

sys<\/p>\n

sysname FW1<\/p>\n

undo info en<\/p>\n

#VRRP\u914d\u7f6e，\u9488\u5bf9trust<\/p>\n

int g1\/0\/0<\/p>\n

ip add 192.168.1.253 24<\/p>\n

vrrp vrid 1 virtual-ip 192.168.1.254 24 active<\/p>\n

q<\/p>\n

#VRRP\u914d\u7f6e，\u9488\u5bf9untrust<\/p>\n

int g1\/0\/5<\/p>\n

ip add 200.1.1.3 24<\/p>\n

vrrp vrid 3 virtual-ip 200.1.1.1 24 active<\/p>\n

q<\/p>\n

int g1\/0\/6<\/p>\n

ip add 1.1.1.1 24<\/p>\n

\"\"<\/p>\n

#\u9632\u706b\u5899\u53cc\u673a\u70ed\u5907，\u65b0\u5efa\u533a\u57dfha<\/p>\n

firewall zone name ha<\/p>\n

set priority 99<\/p>\n

add interface g 1\/0\/6<\/p>\n

q<\/p>\n

firewall zone trust<\/p>\n

add interface g 1\/0\/0<\/p>\n

q<\/p>\n

firewall zone untrust<\/p>\n

add interface g 1\/0\/5<\/p>\n

q<\/p>\n

\"\"<\/p>\n

FW2：<\/p>\n

sys<\/p>\n

sysname FW2<\/p>\n

undo info en<\/p>\n

#VRRP\u914d\u7f6e，\u9488\u5bf9trust<\/p>\n

int g1\/0\/0<\/p>\n

ip add 192.168.1.252 24<\/p>\n

vrrp vrid 1 virtual-ip 192.168.1.254 24 active<\/p>\n

q<\/p>\n

#VRRP\u914d\u7f6e，\u9488\u5bf9untrust<\/p>\n

int g1\/0\/5<\/p>\n

ip add 200.1.1.2 24<\/p>\n

vrrp vrid 3 virtual-ip 200.1.1.1 24 active\u3010active\u662f\u62a2\u5360\u5f0f，\u8fd9\u91cc\u4e5f\u53ef\u4ee5\u8bbe\u7f6estandy\u3011<\/p>\n

q<\/p>\n

int g1\/0\/6<\/p>\n

ip add 1.1.1.2 24<\/p>\n

\"\"<\/p>\n

hrp int g1\/0\/6 remote 1.1.1.2<\/p>\n

hrp enable<\/p>\n

\"\"<\/p>\n

\u6211\u8fd9\u662f<\/span>FW1<\/span>\u662f\u4e3b（<\/span>M<\/span>），<\/span>FW2<\/span>\u662f\u5907（<\/span>S<\/span>）<\/span><\/p>\n

\u3010\u5982\u679c\u4f60\u7684\u4e3b\u5907\u673a\u548c\u6211\u7684\u4e0d\u4e00\u6837，\u5219\u662f\u56e0\u4e3a\u524d\u9762\u6211\u4eec\u524d\u9762\u8bbe\u7f6e<\/span>vrrp<\/span>\u7684\u65f6\u5019，<\/span>vrid1<\/span>\u548c<\/span>vrid3<\/span>\u90fd\u8bbe\u7f6e\u7684<\/span>active<\/span>，\u8fd9\u662f\u62a2\u5360\u5f0f，\u5982\u679c\u4f60\u7684<\/span>FW2<\/span>\u662f\u4e3b，\u4e0d\u7528\u62c5\u5fc3，\u8fd9\u53ea\u662f\u56e0\u4e3a\u4f60\u7684<\/span>FW2<\/span>\u5148\u62a2\u5230\u4e86\u4e3b\u800c\u5df2\u3011<\/span><\/p>\n

\u6b64\u65f6disable\u754c\u9762\u662f\u56e0\u4e3a\u53e6\u4e00\u7aef\u6ca1\u6709\u8fdb\u884c\u53cc\u673a\u70ed\u5907，\u6b64\u65f6\u6211\u4eec\u53bb\u53e6\u4e00\u7aef\u8fdb\u884c\u914d\u7f6e<\/p>\n

hrp int g1\/0\/6 remote 1.1.1.1<\/p>\n

hrp enable<\/p>\n

\"\"<\/p>\n

dis hrp state\u67e5\u770b\u60c5\u51b5\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/p>\n

\"\"<\/p>\n

FW1<\/p>\n

security-policy（\u53ea\u80fd\u5728\u4e3b\u4e0a\u6267\u884c，\u5907\u4e0a\u4e0d\u884c）<\/p>\n

rule name TtoU<\/p>\n

source-zone trust<\/p>\n

source-address 192.168.1.0 24<\/p>\n

destination-zone untrust<\/p>\n

action permit<\/p>\n

int g1\/0\/0<\/p>\n

service-manage ping permit（\u6ca1\u5f00\u4e4b\u524d\u4e0d\u5141\u8bb8）<\/p>\n

\u73b0\u5728\u5c1d\u8bd5\u7528PC1ping\u7f51\u5173（192.168.1.254）\u770b\u770b<\/p>\n

PC1 ping Client（200.1.1.30）\u8bd5\u8bd5<\/p>\n

\u53d1\u73b0ping\u4e0d\u901a，\u5230g1\/0\/5\u5f00\u542f\u6743\u9650<\/p>\n

int g1\/0\/5<\/p>\n

service-manage ping permit<\/p>\n

\"\"<\/p>\n

\"\"<\/p>\n

\u73b0\u5728\u6211\u4eec\u5c1d\u8bd5\u4e00\u4e0b\u4e3b\u5907\u5207\u6362<\/p>\n

\u539f\u672cFW1\u662f\u4e3b（M），FW2\u662f\u5907（S）–\u3010\u5982\u679c\u4f60\u7684\u4e3b\u5907\u673a\u548c\u6211\u7684\u4e0d\u4e00\u6837，\u5219\u662f\u56e0\u4e3a\u524d\u9762\u6211\u4eec\u524d\u9762\u8bbe\u7f6e<\/span>vrrp<\/span>\u7684\u65f6\u5019，<\/span>vrid1<\/span>\u548c<\/span>vrid3<\/span>\u90fd\u8bbe\u7f6e\u7684<\/span>active<\/span>，\u8fd9\u662f\u62a2\u5360\u5f0f，\u5982\u679c\u4f60\u7684<\/span>FW2<\/span>\u662f\u4e3b，\u4e0d\u7528\u62c5\u5fc3，\u8fd9\u53ea\u662f\u56e0\u4e3a\u4f60\u7684<\/span>FW2<\/span>\u5148\u62a2\u5230\u4e86\u4e3b\u800c\u5df2\u3011<\/span><\/p>\n

\u73b0\u5728\u6211\u4eec\u5c06FW1\u53d8\u6210S（\u5907），FW2\u53d8\u6210M（\u4e3b）<\/p>\n

\"\"<\/p>\n

\u73b0\u5728\u518d\u770bFW1\u548cFW2<\/p>\n

\"\"<\/p>\n

\"\"<\/p>\n

undo shutdown\u5c31\u53ef\u4ee5\u5f00\u542fg1\/0\/5，\u53d6\u6d88\u4e3b\u5907\u5207\u6362<\/p>\n

\"\"<\/p>\n

\"\"<\/p>\n

FTP\u914d\u7f6e：<\/h2>\n

NAT\u6e90\u5730\u5740\u8f6c\u6362 \u5148\u914d\u7f6e\u6e90\u5730\u5740\u6c60<\/p>\n

nat address-group 1<\/p>\n

section 200.1.1.10 200.1.1.20\u00a0 #\u5730\u5740\u533a\u95f4<\/p>\n

q<\/p>\n

nat-policy<\/p>\n

rule name TtoU<\/p>\n

source-zone trust<\/p>\n

source-address 192.168.1.0 24<\/p>\n

destination-zone untrust<\/p>\n

action source-nat address-group 1<\/p>\n

q<\/p>\n

\"\"<\/p>\n

nat server zone untrust protocol tcp global 200.1.1.29 21 inside 192.168.1.100 21<\/p>\n

firewall zone untrust<\/p>\n

detect ftp<\/p>\n

\"\"<\/p>\n

security-policy<\/p>\n

rule name toFTP<\/p>\n

source-zone untrust<\/p>\n

destination-zone trust<\/p>\n

destination-address 192.168.1.100 32<\/p>\n

action permit<\/p>\n

q<\/p>\n

\"\"<\/p>\n

\u7136\u540e\u6211\u4eec\u6253\u5f00server1\u7684ftp\u670d\u52a1，\u4f7f\u7528Client\u8fdb\u884c\u767b\u5f55，\u4ee5\u4e0b\u662f\u767b\u5f55\u6210\u529f\u7684\u9875\u9762<\/p>\n

\"\"<\/p>\n

HTP\u914d\u7f6e：<\/h2>\n

FW1:<\/p>\n

int g 1\/0\/1<\/p>\n

ip add 172.168.1.253 24<\/p>\n

vrrp vrid 5 virtual-ip 172.168.1.254 24 active<\/p>\n

\n

FW2：<\/p>\n

int g 1\/0\/1<\/p>\n

ip add 172.168.1.252 24<\/p>\n

vrrp vrid 5 virtual-ip 172.168.1.254 24\u00a0 active\u00a0 standby<\/p>\n

\n

FW1：<\/p>\n

firewall zone name dmz<\/p>\n

add interface g 1\/0\/1<\/p>\n

q<\/p>\n

#NAT\u7b56\u7565<\/p>\n

nat-policy<\/p>\n

rule name DtoU<\/p>\n

source-zone dmz<\/p>\n

source-address 172.168.1.0 24<\/p>\n

destination-zone untrust<\/p>\n

action source-nat address-group 1<\/p>\n

#NAT Server\u914d\u7f6eHTTP\u670d\u52a1<\/p>\n

#HHTP\u670d\u52a1，\u6570\u636e\u63a5\u53e380<\/p>\n

#\u610f\u5473\u7740\u9700\u8981\u5f00\u653e\u7aef\u53e3，NAT Server\u5f00\u653e\u4e8680\u53e3，\u901a\u8fc7untrust\u533a\u57df\u8f6c\u53d1，\u5f00\u653e\u4e8680\u53e3<\/p>\n

nat server zone untrust protocol tcp global 200.1.1.100 80 inside 172.168.1.20 80<\/p>\n

firewall zone untrust<\/p>\n

detect httpd<\/p>\n

q<\/p>\n

#\u914d\u7f6e\u5b89\u5168\u7b56\u7565，\u5141\u8bb8\u8bbf\u95eeHTTP\u670d\u52a1\u5668<\/p>\n

security-policy<\/p>\n

rule name tohttp<\/p>\n

source-zone untrust<\/p>\n

destination-zone dmz<\/p>\n

destination-address 172.168.1.20 32<\/p>\n

action permit<\/p>\n

int g0\/0\/0<\/p>\n

service-manage all permit<\/p>\n

\u7136\u540e\u73b0\u5728\u5c31\u53ef\u4ee5\u6d4b\u8bd5\u4e86<\/p>\n

\u6253\u5f00server2\u7684http\u670d\u52a1，\u7136\u540e\u7528Client\u8fdb\u884c\u8bbf\u95ee，\u770b\u770b\u662f\u5426\u6210\u529f<\/p>\n

\"\"<\/p>\n

\"\"<\/p>\n

\u5982\u679c\u5bf9\u60a8\u6709\u5e2e\u52a9\u9ebb\u70e6\u70b9\u4e2a\u5173\u6ce8\u70b9\u4e2a\u8d5e~~~ \u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"

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