{"id":122,"date":"2007-03-22T09:52:00","date_gmt":"2007-03-22T01:52:00","guid":{"rendered":"http:\/\/www.liangliang.org.cn\/blog\/?p=122"},"modified":"2007-03-22T09:52:00","modified_gmt":"2007-03-22T01:52:00","slug":"%e5%a6%82%e4%bd%95%e9%85%8d%e7%bd%aecisco-pix%e9%98%b2%e7%81%ab%e5%a2%99","status":"publish","type":"post","link":"https:\/\/www.liangliang.org.cn\/?p=122","title":{"rendered":"\u5982\u4f55\u914d\u7f6eCisco PIX\u9632\u706b\u5899"},"content":{"rendered":"

\u5982\u4f55\u914d\u7f6eCisco PIX\u9632\u706b\u5899<\/strong><\/p>\n

\u4efb\u4f55\u4f01\u4e1a\u5b89\u5168\u7b56\u7565\u7684\u4e00\u4e2a\u4e3b\u8981\u90e8\u5206\u90fd\u662f\u5b9e\u73b0\u548c\u7ef4\u62a4\u9632\u706b\u5899\uff0c\u56e0\u6b64\u9632\u706b\u5899\u5728\u7f51\u7edc\u5b89\u5168\u7684\u5b9e\u73b0\u5f53\u4e2d\u626e\u6f14\u7740\u91cd\u8981\u7684\u89d2\u8272\u3002\u9632\u706b\u5899\u901a\u5e38\u4f4d\u4e8e\u4f01\u4e1a\u7f51\u7edc\u7684\u8fb9\u7f18\uff0c\u8fd9\u4f7f\u5f97\u5185\u90e8\u7f51\u7edc\u4e0eInternet\u4e4b\u95f4\u6216\u8005\u4e0e\u5176\u4ed6\u5916\u90e8\u7f51\u7edc\u4e92\u76f8\u9694\u79bb\uff0c\u5e76\u9650\u5236\u7f51\u7edc\u4e92\u8bbf\u4ece\u800c\u4fdd\u62a4\u4f01\u4e1a\u5185\u90e8\u7f51\u7edc\u3002\u8bbe\u7f6e\u9632\u706b\u5899\u76ee\u7684\u90fd\u662f\u4e3a\u4e86\u5728\u5185\u90e8\u7f51\u4e0e\u5916\u90e8\u7f51\u4e4b\u95f4\u8bbe\u7acb\u552f\u4e00\u7684\u901a\u9053\uff0c\u7b80\u5316\u7f51\u7edc\u7684\u5b89\u5168\u7ba1\u7406\u3002
\n\u5728\u4f17\u591a\u7684\u4f01\u4e1a\u7ea7\u4e3b\u6d41\u9632\u706b\u5899\u4e2d\uff0cCisco PIX\u9632\u706b\u5899\u662f\u6240\u6709\u540c\u7c7b\u4ea7\u54c1\u6027\u80fd\u6700\u597d\u7684\u4e00\u79cd\u3002Cisco PIX\u7cfb\u5217\u9632\u706b\u5899\u76ee\u524d\u67095\u79cd\u578b\u53f7PIX506\uff0c515\uff0c520\uff0c525\uff0c535\u3002\u5176\u4e2dPIX535\u662fPIX 500\u7cfb\u5217\u4e2d\u6700\u65b0\uff0c\u529f\u80fd\u4e5f\u662f\u6700\u5f3a\u5927\u7684\u4e00\u6b3e\u3002\u5b83\u53ef\u4ee5\u63d0\u4f9b\u8fd0\u8425\u5546\u7ea7\u522b\u7684\u5904\u7406\u80fd\u529b\uff0c\u9002\u7528\u4e8e\u5927\u578b\u7684ISP\u7b49\u670d\u52a1\u63d0\u4f9b\u5546\u3002\u4f46\u662fPIX\u7279\u6709\u7684OS*\u4f5c\u7cfb\u7edf\uff0c\u4f7f\u5f97\u5927\u591a\u6570\u7ba1\u7406\u662f\u901a\u8fc7\u547d\u4ee4\u884c\u6765\u5b9e\u73b0\u7684\uff0c\u4e0d\u8c61\u5176\u4ed6\u540c\u7c7b\u7684\u9632\u706b\u5899\u901a\u8fc7Web\u7ba1\u7406\u754c\u9762\u6765\u8fdb\u884c\u7f51\u7edc\u7ba1\u7406\uff0c\u8fd9\u6837\u4f1a\u7ed9\u521d\u5b66\u8005\u5e26\u6765\u4e0d\u4fbf\u3002\u672c\u6587\u5c06\u901a\u8fc7\u5b9e\u4f8b\u4ecb\u7ecd\u5982\u4f55\u914d\u7f6eCisco PIX\u9632\u706b\u5899\u3002<\/p>\n

\u5728\u914d\u7f6ePIX\u9632\u706b\u5899\u4e4b\u524d\uff0c\u5148\u6765\u4ecb\u7ecd\u4e00\u4e0b\u9632\u706b\u5899\u7684\u7269\u7406\u7279\u6027\u3002\u9632\u706b\u5899\u901a\u5e38\u5177\u6709\u81f3\u5c113\u4e2a\u63a5\u53e3\uff0c\u4f46\u8bb8\u591a\u65e9\u671f\u7684\u9632\u706b\u5899\u53ea\u5177\u67092\u4e2a\u63a5\u53e3\uff1b\u5f53\u4f7f\u7528\u5177\u67093\u4e2a\u63a5\u53e3\u7684\u9632\u706b\u5899\u65f6\uff0c\u5c31\u81f3\u5c11\u4ea7\u751f\u4e863\u4e2a\u7f51\u7edc\uff0c\u63cf\u8ff0\u5982\u4e0b\uff1a
\n? \u5185\u90e8\u533a\u57df\uff08\u5185\u7f51\uff09\u3002 \u5185\u90e8\u533a\u57df\u901a\u5e38\u5c31\u662f\u6307\u4f01\u4e1a\u5185\u90e8\u7f51\u7edc\u6216\u8005\u662f\u4f01\u4e1a\u5185\u90e8\u7f51\u7edc\u7684\u4e00\u90e8\u5206\u3002\u5b83\u662f\u4e92\u8fde\u7f51\u7edc\u7684\u4fe1\u4efb\u533a\u57df\uff0c\u5373\u53d7\u5230\u4e86\u9632\u706b\u5899\u7684\u4fdd\u62a4\u3002
\n? \u5916\u90e8\u533a\u57df\uff08\u5916\u7f51\uff09\u3002 \u5916\u90e8\u533a\u57df\u901a\u5e38\u6307Internet\u6216\u8005\u975e\u4f01\u4e1a\u5185\u90e8\u7f51\u7edc\u3002\u5b83\u662f\u4e92\u8fde\u7f51\u7edc\u4e2d\u4e0d\u88ab\u4fe1\u4efb\u7684\u533a\u57df\uff0c\u5f53\u5916\u90e8\u533a\u57df\u60f3\u8981\u8bbf\u95ee\u5185\u90e8\u533a\u57df\u7684\u4e3b\u673a\u548c\u670d\u52a1\uff0c\u901a\u8fc7\u9632\u706b\u5899\uff0c\u5c31\u53ef\u4ee5\u5b9e\u73b0\u6709\u9650\u5236\u7684\u8bbf\u95ee\u3002
\n? \u505c\u706b\u533a\uff08DMZ\uff09\u3002 \u505c\u706b\u533a\u662f\u4e00\u4e2a\u9694\u79bb\u7684\u7f51\u7edc\uff0c\u6216\u51e0\u4e2a\u7f51\u7edc\u3002\u4f4d\u4e8e\u505c\u706b\u533a\u4e2d\u7684\u4e3b\u673a\u6216\u670d\u52a1\u5668\u88ab\u79f0\u4e3a\u5821\u5792\u4e3b\u673a\u3002\u4e00\u822c\u5728\u505c\u706b\u533a\u5185\u53ef\u4ee5\u653e\u7f6eWeb\u670d\u52a1\u5668\uff0cMail\u670d\u52a1\u5668\u7b49\u3002\u505c\u706b\u533a\u5bf9\u4e8e\u5916\u90e8\u7528\u6237\u901a\u5e38\u662f\u53ef\u4ee5\u8bbf\u95ee\u7684\uff0c\u8fd9\u79cd\u65b9\u5f0f\u8ba9\u5916\u90e8\u7528\u6237\u53ef\u4ee5\u8bbf\u95ee\u4f01\u4e1a\u7684\u516c\u5f00\u4fe1\u606f\uff0c\u4f46\u5374\u4e0d\u5141\u8bb8\u4ed6\u4eec\u8bbf\u95ee\u4f01\u4e1a\u5185\u90e8\u7f51\u7edc\u3002\u6ce8\u610f\uff1a2\u4e2a\u63a5\u53e3\u7684\u9632\u706b\u5899\u662f\u6ca1\u6709\u505c\u706b\u533a\u7684\u3002<\/p>\n

\u7531\u4e8ePIX535\u5728\u4f01\u4e1a\u7ea7\u522b\u4e0d\u5177\u6709\u666e\u904d\u6027\uff0c\u56e0\u6b64\u4e0b\u9762\u4e3b\u8981\u8bf4\u660ePIX525\u5728\u4f01\u4e1a\u7f51\u7edc\u4e2d\u7684\u5e94\u7528\u3002<\/p>\n

PIX\u9632\u706b\u5899\u63d0\u4f9b4\u79cd\u7ba1\u7406\u8bbf\u95ee\u6a21\u5f0f\uff1a
\n2 \u975e\u7279\u6743\u6a21\u5f0f\u3002 PIX\u9632\u706b\u5899\u5f00\u673a\u81ea\u68c0\u540e\uff0c\u5c31\u662f\u5904\u4e8e\u8fd9\u79cd\u6a21\u5f0f\u3002\u7cfb\u7edf\u663e\u793a\u4e3apixfirewall>
\n2 \u7279\u6743\u6a21\u5f0f\u3002 \u8f93\u5165enable\u8fdb\u5165\u7279\u6743\u6a21\u5f0f\uff0c\u53ef\u4ee5\u6539\u53d8\u5f53\u524d\u914d\u7f6e\u3002\u663e\u793a\u4e3apixfirewall#
\n2 \u914d\u7f6e\u6a21\u5f0f\u3002 \u8f93\u5165configure terminal\u8fdb\u5165\u6b64\u6a21\u5f0f\uff0c\u7edd\u5927\u90e8\u5206\u7684\u7cfb\u7edf\u914d\u7f6e\u90fd\u5728\u8fd9\u91cc\u8fdb\u884c\u3002\u663e\u793a\u4e3apixfirewall(config)#
\n2 \u76d1\u89c6\u6a21\u5f0f\u3002 PIX\u9632\u706b\u5899\u5728\u5f00\u673a\u6216\u91cd\u542f\u8fc7\u7a0b\u4e2d\uff0c\u6309\u4f4fEscape\u952e\u6216\u53d1\u9001\u4e00\u4e2a\u201cBreak\u201d\u5b57\u7b26\uff0c\u8fdb\u5165\u76d1\u89c6\u6a21\u5f0f\u3002\u8fd9\u91cc\u53ef\u4ee5\u66f4\u65b0*\u4f5c\u7cfb\u7edf\u6620\u8c61\u548c\u53e3\u4ee4\u6062\u590d\u3002\u663e\u793a\u4e3amonitor><\/p>\n

\u914d\u7f6ePIX\u9632\u706b\u5899\u67096\u4e2a\u57fa\u672c\u547d\u4ee4\uff1anameif\uff0cinterface\uff0cip address\uff0cnat\uff0cglobal\uff0croute.
\n\u8fd9\u4e9b\u547d\u4ee4\u5728\u914d\u7f6ePIX\u662f\u5fc5\u987b\u7684\u3002\u4ee5\u4e0b\u662f\u914d\u7f6e\u7684\u57fa\u672c\u6b65\u9aa4\uff1a
\n1. \u914d\u7f6e\u9632\u706b\u5899\u63a5\u53e3\u7684\u540d\u5b57\uff0c\u5e76\u6307\u5b9a\u5b89\u5168\u7ea7\u522b\uff08nameif\uff09\u3002
\nPix525(config)#nameif ethernet0 outside security0
\nPix525(config)#nameif ethernet1 inside security100
\nPix525(config)#nameif dmz security50
\n\u63d0\u793a\uff1a\u5728\u7f3a\u7701\u914d\u7f6e\u4e2d\uff0c\u4ee5\u592a\u7f510\u88ab\u547d\u540d\u4e3a\u5916\u90e8\u63a5\u53e3\uff08outside\uff09\uff0c\u5b89\u5168\u7ea7\u522b\u662f0\uff1b\u4ee5\u592a\u7f511\u88ab\u547d\u540d\u4e3a\u5185\u90e8\u63a5\u53e3\uff08inside\uff09\uff0c\u5b89\u5168\u7ea7\u522b\u662f100.\u5b89\u5168\u7ea7\u522b\u53d6\u503c\u8303\u56f4\u4e3a1\uff5e99\uff0c\u6570\u5b57\u8d8a\u5927\u5b89\u5168\u7ea7\u522b\u8d8a\u9ad8\u3002\u82e5\u6dfb\u52a0\u65b0\u7684\u63a5\u53e3\uff0c\u8bed\u53e5\u53ef\u4ee5\u8fd9\u6837\u5199\uff1a
\nPix525(config)#nameif pix\/intf3 security40 \uff08\u5b89\u5168\u7ea7\u522b\u4efb\u53d6\uff09<\/p>\n

2. \u914d\u7f6e\u4ee5\u592a\u53e3\u53c2\u6570\uff08interface\uff09
\nPix525(config)#interface ethernet0 auto\uff08auto\u9009\u9879\u8868\u660e\u7cfb\u7edf\u81ea\u9002\u5e94\u7f51\u5361\u7c7b\u578b \uff09
\nPix525(config)#interface ethernet1 100full\uff08100full\u9009\u9879\u8868\u793a100Mbit\/s\u4ee5\u592a\u7f51\u5168\u53cc\u5de5\u901a\u4fe1 \uff09
\nPix525(config)#interface ethernet1 100full shutdown \uff08shutdown\u9009\u9879\u8868\u793a\u5173\u95ed\u8fd9\u4e2a\u63a5\u53e3\uff0c\u82e5\u542f\u7528\u63a5\u53e3\u53bb\u6389shutdown \uff09<\/p>\n

3. \u914d\u7f6e\u5185\u5916\u7f51\u5361\u7684IP\u5730\u5740\uff08ip address\uff09
\nPix525(config)#ip address outside 61.144.51.42 255.255.255.248
\nPix525(config)#ip address inside 192.168.0.1 255.255.255.0
\n\u5f88\u660e\u663e\uff0cPix525\u9632\u706b\u5899\u5728\u5916\u7f51\u7684ip\u5730\u5740\u662f61.144.51.42\uff0c\u5185\u7f51ip\u5730\u5740\u662f192.168.0.1<\/p>\n

4. \u6307\u5b9a\u8981\u8fdb\u884c\u8f6c\u6362\u7684\u5185\u90e8\u5730\u5740\uff08nat\uff09
\n\u7f51\u7edc\u5730\u5740\u7ffb\u8bd1\uff08nat\uff09\u4f5c\u7528\u662f\u5c06\u5185\u7f51\u7684\u79c1\u6709ip\u8f6c\u6362\u4e3a\u5916\u7f51\u7684\u516c\u6709ip.Nat\u547d\u4ee4\u603b\u662f\u4e0eglobal\u547d\u4ee4\u4e00\u8d77\u4f7f\u7528\uff0c\u8fd9\u662f\u56e0\u4e3anat\u547d\u4ee4\u53ef\u4ee5\u6307\u5b9a\u4e00\u53f0\u4e3b\u673a\u6216\u4e00\u6bb5\u8303\u56f4\u7684\u4e3b\u673a\u8bbf\u95ee\u5916\u7f51\uff0c\u8bbf\u95ee\u5916\u7f51\u65f6\u9700\u8981\u5229\u7528global\u6240\u6307\u5b9a\u7684\u5730\u5740\u6c60\u8fdb\u884c\u5bf9\u5916\u8bbf\u95ee\u3002nat\u547d\u4ee4\u914d\u7f6e\u8bed\u6cd5\uff1anat (if_name) nat_id local_ip [netmark]
\n\u5176\u4e2d\uff08if_name\uff09\u8868\u793a\u5185\u7f51\u63a5\u53e3\u540d\u5b57\uff0c\u4f8b\u5982inside. Nat_id\u7528\u6765\u6807\u8bc6\u5168\u5c40\u5730\u5740\u6c60\uff0c\u4f7f\u5b83\u4e0e\u5176\u76f8\u5e94\u7684global\u547d\u4ee4\u76f8\u5339\u914d\uff0clocal_ip\u8868\u793a\u5185\u7f51\u88ab\u5206\u914d\u7684ip\u5730\u5740\u3002\u4f8b\u59820.0.0.0\u8868\u793a\u5185\u7f51\u6240\u6709\u4e3b\u673a\u53ef\u4ee5\u5bf9\u5916\u8bbf\u95ee\u3002[netmark]\u8868\u793a\u5185\u7f51ip\u5730\u5740\u7684\u5b50\u7f51\u63a9\u7801\u3002
\n\u4f8b1\uff0ePix525(config)#nat (inside) 1 0 0
\n\u8868\u793a\u542f\u7528nat,\u5185\u7f51\u7684\u6240\u6709\u4e3b\u673a\u90fd\u53ef\u4ee5\u8bbf\u95ee\u5916\u7f51\uff0c\u75280\u53ef\u4ee5\u4ee3\u88680.0.0.0
\n\u4f8b2\uff0ePix525(config)#nat (inside) 1 172.16.5.0 255.255.0.0
\n\u8868\u793a\u53ea\u6709172.16.5.0\u8fd9\u4e2a\u7f51\u6bb5\u5185\u7684\u4e3b\u673a\u53ef\u4ee5\u8bbf\u95ee\u5916\u7f51\u3002<\/p>\n

5. \u6307\u5b9a\u5916\u90e8\u5730\u5740\u8303\u56f4\uff08global\uff09
\nglobal\u547d\u4ee4\u628a\u5185\u7f51\u7684ip\u5730\u5740\u7ffb\u8bd1\u6210\u5916\u7f51\u7684ip\u5730\u5740\u6216\u4e00\u6bb5\u5730\u5740\u8303\u56f4\u3002Global\u547d\u4ee4\u7684\u914d\u7f6e\u8bed\u6cd5\uff1aglobal (if_name) nat_id ip_address-ip_address [netmark global_mask]
\n\u5176\u4e2d\uff08if_name\uff09\u8868\u793a\u5916\u7f51\u63a5\u53e3\u540d\u5b57\uff0c\u4f8b\u5982outside.\u3002Nat_id\u7528\u6765\u6807\u8bc6\u5168\u5c40\u5730\u5740\u6c60\uff0c\u4f7f\u5b83\u4e0e\u5176\u76f8\u5e94\u7684nat\u547d\u4ee4\u76f8\u5339\u914d\uff0cip_address-ip_address\u8868\u793a\u7ffb\u8bd1\u540e\u7684\u5355\u4e2aip\u5730\u5740\u6216\u4e00\u6bb5ip\u5730\u5740\u8303\u56f4\u3002[netmark global_mask]\u8868\u793a\u5168\u5c40ip\u5730\u5740\u7684\u7f51\u7edc\u63a9\u7801\u3002
\n\u4f8b1\uff0e Pix525(config)#global (outside) 1 61.144.51.42-61.144.51.48
\n\u8868\u793a\u5185\u7f51\u7684\u4e3b\u673a\u901a\u8fc7pix\u9632\u706b\u5899\u8981\u8bbf\u95ee\u5916\u7f51\u65f6\uff0cpix\u9632\u706b\u5899\u5c06\u4f7f\u752861.144.51.42-61.144.51.48\u8fd9\u6bb5ip\u5730\u5740\u6c60\u4e3a\u8981\u8bbf\u95ee\u5916\u7f51\u7684\u4e3b\u673a\u5206\u914d\u4e00\u4e2a\u5168\u5c40ip\u5730\u5740\u3002
\n\u4f8b2\uff0e Pix525(config)#global (outside) 1 61.144.51.42
\n\u8868\u793a\u5185\u7f51\u8981\u8bbf\u95ee\u5916\u7f51\u65f6\uff0cpix\u9632\u706b\u5899\u5c06\u4e3a\u8bbf\u95ee\u5916\u7f51\u7684\u6240\u6709\u4e3b\u673a\u7edf\u4e00\u4f7f\u752861.144.51.42\u8fd9\u4e2a\u5355\u4e00ip\u5730\u5740\u3002
\n\u4f8b3. Pix525(config)#no global (outside) 1 61.144.51.42
\n\u8868\u793a\u5220\u9664\u8fd9\u4e2a\u5168\u5c40\u8868\u9879\u3002<\/p>\n

6. \u8bbe\u7f6e\u6307\u5411\u5185\u7f51\u548c\u5916\u7f51\u7684\u9759\u6001\u8def\u7531\uff08route\uff09
\n\u5b9a\u4e49\u4e00\u6761\u9759\u6001\u8def\u7531\u3002route\u547d\u4ee4\u914d\u7f6e\u8bed\u6cd5\uff1aroute (if_name) 0 0 gateway_ip [metric]
\n\u5176\u4e2d\uff08if_name\uff09\u8868\u793a\u63a5\u53e3\u540d\u5b57\uff0c\u4f8b\u5982inside\uff0coutside\u3002Gateway_ip\u8868\u793a\u7f51\u5173\u8def\u7531\u5668\u7684ip\u5730\u5740\u3002[metric]\u8868\u793a\u5230gateway_ip\u7684\u8df3\u6570\u3002\u901a\u5e38\u7f3a\u7701\u662f1\u3002
\n\u4f8b1\uff0e Pix525(config)#route outside 0 0 61.144.51.168 1
\n\u8868\u793a\u4e00\u6761\u6307\u5411\u8fb9\u754c\u8def\u7531\u5668\uff08ip\u5730\u574061.144.51.168\uff09\u7684\u7f3a\u7701\u8def\u7531\u3002
\n\u4f8b2\uff0e Pix525(config)#route inside 10.1.1.0 255.255.255.0 172.16.0.1 1
\nPix525(config)#route inside 10.2.0.0 255.255.0.0 172.16.0.1 1
\n\u5982\u679c\u5185\u90e8\u7f51\u7edc\u53ea\u6709\u4e00\u4e2a\u7f51\u6bb5\uff0c\u6309\u7167\u4f8b1\u90a3\u6837\u8bbe\u7f6e\u4e00\u6761\u7f3a\u7701\u8def\u7531\u5373\u53ef\uff1b\u5982\u679c\u5185\u90e8\u5b58\u5728\u591a\u4e2a\u7f51\u7edc\uff0c\u9700\u8981\u914d\u7f6e\u4e00\u6761\u4ee5\u4e0a\u7684\u9759\u6001\u8def\u7531\u3002\u4e0a\u9762\u90a3\u6761\u547d\u4ee4\u8868\u793a\u521b\u5efa\u4e86\u4e00\u6761\u5230\u7f51\u7edc10.1.1.0\u7684\u9759\u6001\u8def\u7531\uff0c\u9759\u6001\u8def\u7531\u7684\u4e0b\u4e00\u6761\u8def\u7531\u5668ip\u5730\u5740\u662f172.16.0.1<\/p>\n

OK\uff0c\u8fd96\u4e2a\u57fa\u672c\u547d\u4ee4\u82e5\u7406\u89e3\u4e86\uff0c\u5c31\u53ef\u4ee5\u8fdb\u5165\u5230pix\u9632\u706b\u5899\u7684\u4e00\u4e9b\u9ad8\u7ea7\u914d\u7f6e\u4e86\u3002<\/p>\n

A. \u914d\u7f6e\u9759\u6001IP\u5730\u5740\u7ffb\u8bd1\uff08static\uff09
\n\u5982\u679c\u4ece\u5916\u7f51\u53d1\u8d77\u4e00\u4e2a\u4f1a\u8bdd\uff0c\u4f1a\u8bdd\u7684\u76ee\u7684\u5730\u5740\u662f\u4e00\u4e2a\u5185\u7f51\u7684ip\u5730\u5740\uff0cstatic\u5c31\u628a\u5185\u90e8\u5730\u5740\u7ffb\u8bd1\u6210\u4e00\u4e2a\u6307\u5b9a\u7684\u5168\u5c40\u5730\u5740\uff0c\u5141\u8bb8\u8fd9\u4e2a\u4f1a\u8bdd\u5efa\u7acb\u3002static\u547d\u4ee4\u914d\u7f6e\u8bed\u6cd5\uff1astatic (internal_if_name\uff0cexternal_if_name) outside_ip_address inside_ ip_address \u5176\u4e2dinternal_if_name\u8868\u793a\u5185\u90e8\u7f51\u7edc\u63a5\u53e3\uff0c\u5b89\u5168\u7ea7\u522b\u8f83\u9ad8\u3002\u5982inside.
\nexternal_if_name\u4e3a\u5916\u90e8\u7f51\u7edc\u63a5\u53e3\uff0c\u5b89\u5168\u7ea7\u522b\u8f83\u4f4e\u3002\u5982outside\u7b49\u3002outside_ip_address\u4e3a\u6b63\u5728\u8bbf\u95ee\u7684\u8f83\u4f4e\u5b89\u5168\u7ea7\u522b\u7684\u63a5\u53e3\u4e0a\u7684ip\u5730\u5740\u3002inside_ ip_address\u4e3a\u5185\u90e8\u7f51\u7edc\u7684\u672c\u5730ip\u5730\u5740\u3002
\n\u4f8b1\uff0e Pix525(config)#static (inside, outside) 61.144.51.62 192.168.0.8
\n\u8868\u793aip\u5730\u5740\u4e3a192.168.0.8\u7684\u4e3b\u673a\uff0c\u5bf9\u4e8e\u901a\u8fc7pix\u9632\u706b\u5899\u5efa\u7acb\u7684\u6bcf\u4e2a\u4f1a\u8bdd\uff0c\u90fd\u88ab\u7ffb\u8bd1\u621061.144.51.62\u8fd9\u4e2a\u5168\u5c40\u5730\u5740\uff0c\u4e5f\u53ef\u4ee5\u7406\u89e3\u6210static\u547d\u4ee4\u521b\u5efa\u4e86\u5185\u90e8ip\u5730\u5740192.168.0.8\u548c\u5916\u90e8ip\u5730\u574061.144.51.62\u4e4b\u95f4\u7684\u9759\u6001\u6620\u5c04\u3002
\n\u4f8b2\uff0e Pix525(config)#static (inside, outside) 192.168.0.2 10.0.1.3
\n\u4f8b3\uff0e Pix525(config)#static (dmz, outside) 211.48.16.2 172.16.10.8
\n\u6ce8\u91ca\u540c\u4f8b1\u3002\u901a\u8fc7\u4ee5\u4e0a\u51e0\u4e2a\u4f8b\u5b50\u8bf4\u660e\u4f7f\u7528static\u547d\u4ee4\u53ef\u4ee5\u8ba9\u6211\u4eec\u4e3a\u4e00\u4e2a\u7279\u5b9a\u7684\u5185\u90e8ip\u5730\u5740\u8bbe\u7f6e\u4e00\u4e2a\u6c38\u4e45\u7684\u5168\u5c40ip\u5730\u5740\u3002\u8fd9\u6837\u5c31\u80fd\u591f\u4e3a\u5177\u6709\u8f83\u4f4e\u5b89\u5168\u7ea7\u522b\u7684\u6307\u5b9a\u63a5\u53e3\u521b\u5efa\u4e00\u4e2a\u5165\u53e3\uff0c\u4f7f\u5b83\u4eec\u53ef\u4ee5\u8fdb\u5165\u5230\u5177\u6709\u8f83\u9ad8\u5b89\u5168\u7ea7\u522b\u7684\u6307\u5b9a\u63a5\u53e3\u3002<\/p>\n

B. \u7ba1\u9053\u547d\u4ee4\uff08conduit\uff09
\n\u524d\u9762\u8bb2\u8fc7\u4f7f\u7528static\u547d\u4ee4\u53ef\u4ee5\u5728\u4e00\u4e2a\u672c\u5730ip\u5730\u5740\u548c\u4e00\u4e2a\u5168\u5c40ip\u5730\u5740\u4e4b\u95f4\u521b\u5efa\u4e86\u4e00\u4e2a\u9759\u6001\u6620\u5c04\uff0c\u4f46\u4ece\u5916\u90e8\u5230\u5185\u90e8\u63a5\u53e3\u7684\u8fde\u63a5\u4ecd\u7136\u4f1a\u88abpix\u9632\u706b\u5899\u7684\u81ea\u9002\u5e94\u5b89\u5168\u7b97\u6cd5(ASA)\u963b\u6321\uff0cconduit\u547d\u4ee4\u7528\u6765\u5141\u8bb8\u6570\u636e\u6d41\u4ece\u5177\u6709\u8f83\u4f4e\u5b89\u5168\u7ea7\u522b\u7684\u63a5\u53e3\u6d41\u5411\u5177\u6709\u8f83\u9ad8\u5b89\u5168\u7ea7\u522b\u7684\u63a5\u53e3\uff0c\u4f8b\u5982\u5141\u8bb8\u4ece\u5916\u90e8\u5230DMZ\u6216\u5185\u90e8\u63a5\u53e3\u7684\u5165\u65b9\u5411\u7684\u4f1a\u8bdd\u3002\u5bf9\u4e8e\u5411\u5185\u90e8\u63a5\u53e3\u7684\u8fde\u63a5\uff0cstatic\u548cconduit\u547d\u4ee4\u5c06\u4e00\u8d77\u4f7f\u7528\uff0c\u6765\u6307\u5b9a\u4f1a\u8bdd\u7684\u5efa\u7acb\u3002
\nconduit\u547d\u4ee4\u914d\u7f6e\u8bed\u6cd5\uff1a
\nconduit permit | deny global_ip port[-port] protocol foreign_ip [netmask]
\npermit | deny \u5141\u8bb8 | \u62d2\u7edd\u8bbf\u95ee
\nglobal_ip \u6307\u7684\u662f\u5148\u524d\u7531global\u6216static\u547d\u4ee4\u5b9a\u4e49\u7684\u5168\u5c40ip\u5730\u5740\uff0c\u5982\u679cglobal_ip\u4e3a0\uff0c\u5c31\u7528any\u4ee3\u66ff0\uff1b\u5982\u679cglobal_ip\u662f\u4e00\u53f0\u4e3b\u673a\uff0c\u5c31\u7528host\u547d\u4ee4\u53c2\u6570\u3002
\nport \u6307\u7684\u662f\u670d\u52a1\u6240\u4f5c\u7528\u7684\u7aef\u53e3\uff0c\u4f8b\u5982www\u4f7f\u752880\uff0csmtp\u4f7f\u752825\u7b49\u7b49\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u670d\u52a1\u540d\u79f0\u6216\u7aef\u53e3\u6570\u5b57\u6765\u6307\u5b9a\u7aef\u53e3\u3002
\nprotocol \u6307\u7684\u662f\u8fde\u63a5\u534f\u8bae\uff0c\u6bd4\u5982\uff1aTCP\u3001UDP\u3001ICMP\u7b49\u3002
\nforeign_ip \u8868\u793a\u53ef\u8bbf\u95eeglobal_ip\u7684\u5916\u90e8ip\u3002\u5bf9\u4e8e\u4efb\u610f\u4e3b\u673a\uff0c\u53ef\u4ee5\u7528any\u8868\u793a\u3002\u5982\u679cforeign_ip\u662f\u4e00\u53f0\u4e3b\u673a\uff0c\u5c31\u7528host\u547d\u4ee4\u53c2\u6570\u3002
\n\u4f8b1. Pix525(config)#conduit permit tcp host 192.168.0.8 eq www any
\n\u8fd9\u4e2a\u4f8b\u5b50\u8868\u793a\u5141\u8bb8\u4efb\u4f55\u5916\u90e8\u4e3b\u673a\u5bf9\u5168\u5c40\u5730\u5740192.168.0.8\u7684\u8fd9\u53f0\u4e3b\u673a\u8fdb\u884chttp\u8bbf\u95ee\u3002\u5176\u4e2d\u4f7f\u7528eq\u548c\u4e00\u4e2a\u7aef\u53e3\u6765\u5141\u8bb8\u6216\u62d2\u7edd\u5bf9\u8fd9\u4e2a\u7aef\u53e3\u7684\u8bbf\u95ee\u3002Eq ftp \u5c31\u662f\u6307\u5141\u8bb8\u6216\u62d2\u7edd\u53ea\u5bf9ftp\u7684\u8bbf\u95ee\u3002
\n\u4f8b2. Pix525(config)#conduit deny tcp any eq ftp host 61.144.51.89
\n\u8868\u793a\u4e0d\u5141\u8bb8\u5916\u90e8\u4e3b\u673a61.144.51.89\u5bf9\u4efb\u4f55\u5168\u5c40\u5730\u5740\u8fdb\u884cftp\u8bbf\u95ee\u3002
\n\u4f8b3. Pix525(config)#conduit permit icmp any any
\n\u8868\u793a\u5141\u8bb8icmp\u6d88\u606f\u5411\u5185\u90e8\u548c\u5916\u90e8\u901a\u8fc7\u3002
\n\u4f8b4. Pix525(config)#static (inside, outside) 61.144.51.62 192.168.0.3
\nPix525(config)#conduit permit tcp host 61.144.51.62 eq www any
\n\u8fd9\u4e2a\u4f8b\u5b50\u8bf4\u660estatic\u548cconduit\u7684\u5173\u7cfb\u3002192.168.0.3\u5728\u5185\u7f51\u662f\u4e00\u53f0web\u670d\u52a1\u5668\uff0c\u73b0\u5728\u5e0c\u671b\u5916\u7f51\u7684\u7528\u6237\u80fd\u591f\u901a\u8fc7pix\u9632\u706b\u5899\u5f97\u5230web\u670d\u52a1\u3002\u6240\u4ee5\u5148\u505astatic\u9759\u6001\u6620\u5c04\uff1a192.168.0.3\uff0d>61.144.51.62\uff08\u5168\u5c40\uff09\uff0c\u7136\u540e\u5229\u7528conduit\u547d\u4ee4\u5141\u8bb8\u4efb\u4f55\u5916\u90e8\u4e3b\u673a\u5bf9\u5168\u5c40\u5730\u574061.144.51.62\u8fdb\u884chttp\u8bbf\u95ee\u3002<\/p>\n

C. \u914d\u7f6efixup\u534f\u8bae
\nfixup\u547d\u4ee4\u4f5c\u7528\u662f\u542f\u7528\uff0c\u7981\u6b62\uff0c\u6539\u53d8\u4e00\u4e2a\u670d\u52a1\u6216\u534f\u8bae\u901a\u8fc7pix\u9632\u706b\u5899\uff0c\u7531fixup\u547d\u4ee4\u6307\u5b9a\u7684\u7aef\u53e3\u662fpix\u9632\u706b\u5899\u8981\u4fa6\u542c\u7684\u670d\u52a1\u3002\u89c1\u4e0b\u9762\u4f8b\u5b50\uff1a
\n\u4f8b1\uff0e Pix525(config)#fixup protocol ftp 21
\n\u542f\u7528ftp\u534f\u8bae\uff0c\u5e76\u6307\u5b9aftp\u7684\u7aef\u53e3\u53f7\u4e3a21
\n\u4f8b2\uff0e Pix525(config)#fixup protocol http 80
\nPix525(config)#fixup protocol http 1080
\n\u4e3ahttp\u534f\u8bae\u6307\u5b9a80\u548c1080\u4e24\u4e2a\u7aef\u53e3\u3002
\n\u4f8b3\uff0e Pix525(config)#no fixup protocol smtp 80
\n\u7981\u7528smtp\u534f\u8bae\u3002<\/p>\n

D. \u8bbe\u7f6etelnet
\ntelnet\u6709\u4e00\u4e2a\u7248\u672c\u7684\u53d8\u5316\u3002\u5728pix OS 5.0\uff08pix*\u4f5c\u7cfb\u7edf\u7684\u7248\u672c\u53f7\uff09\u4e4b\u524d\uff0c\u53ea\u80fd\u4ece\u5185\u90e8\u7f51\u7edc\u4e0a\u7684\u4e3b\u673a\u901a\u8fc7telnet\u8bbf\u95eepix\u3002\u5728pix OS 5.0\u53ca\u540e\u7eed\u7248\u672c\u4e2d\uff0c\u53ef\u4ee5\u5728\u6240\u6709\u7684\u63a5\u53e3\u4e0a\u542f\u7528telnet\u5230pix\u7684\u8bbf\u95ee\u3002\u5f53\u4ece\u5916\u90e8\u63a5\u53e3\u8981telnet\u5230pix\u9632\u706b\u5899\u65f6\uff0ctelnet\u6570\u636e\u6d41\u9700\u8981\u7528ipsec\u63d0\u4f9b\u4fdd\u62a4\uff0c\u4e5f\u5c31\u662f\u8bf4\u7528\u6237\u5fc5\u987b\u914d\u7f6epix\u6765\u5efa\u7acb\u4e00\u6761\u5230\u53e6\u5916\u4e00\u53f0pix\uff0c\u8def\u7531\u5668\u6216vpn\u5ba2\u6237\u7aef\u7684ipsec\u96a7\u9053\u3002\u53e6\u5916\u5c31\u662f\u5728PIX\u4e0a\u914d\u7f6eSSH\uff0c\u7136\u540e\u7528SSH client\u4ece\u5916\u90e8telnet\u5230PIX\u9632\u706b\u5899\uff0cPIX\u652f\u6301SSH1\u548cSSH2\uff0c\u4e0d\u8fc7SSH1\u662f\u514d\u8d39\u8f6f\u4ef6\uff0cSSH2\u662f\u5546\u4e1a\u8f6f\u4ef6\u3002\u76f8\u6bd4\u4e4b\u4e0bcisco\u8def\u7531\u5668\u7684telnet\u5c31\u4f5c\u7684\u4e0d\u600e\u4e48\u6837\u4e86\u3002
\ntelnet\u914d\u7f6e\u8bed\u6cd5\uff1atelnet local_ip [netmask]
\nlocal_ip \u8868\u793a\u88ab\u6388\u6743\u901a\u8fc7telnet\u8bbf\u95ee\u5230pix\u7684ip\u5730\u5740\u3002\u5982\u679c\u4e0d\u8bbe\u6b64\u9879\uff0cpix\u7684\u914d\u7f6e\u65b9\u5f0f\u53ea\u80fd\u7531console\u8fdb\u884c\u3002
\n\u8bf4\u4e86\u8fd9\u4e48\u591a\uff0c\u4e0b\u9762\u7ed9\u51fa\u4e00\u4e2a\u914d\u7f6e\u5b9e\u4f8b\u4f9b\u5927\u5bb6\u53c2\u8003\u3002<\/p>\n

Welcome to the PIX firewall<\/p>\n

Type help or ? for a list of available commands.
\nPIX525> en
\nPassword:
\nPIX525#sh config
\n: Saved
\n:
\nPIX Version 6.0(1) ------ PIX\u5f53\u524d\u7684*\u4f5c\u7cfb\u7edf\u7248\u672c\u4e3a6.0
\nNameif ethernet0 outside security0
\nNameif ethernet1 inside security100 ------ \u663e\u793a\u76ee\u524dpix\u53ea\u67092\u4e2a\u63a5\u53e3
\nEnable password 7Y051HhCcoiRTSQZ encrypted
\nPassed 7Y051HhCcoiRTSQZ encrypted ------ pix\u9632\u706b\u5899\u5bc6\u7801\u5728\u9ed8\u8ba4\u72b6\u6001\u4e0b\u5df2\u88ab\u52a0\u5bc6\uff0c\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u4e0d\u4f1a\u4ee5\u660e\u6587\u663e\u793a\uff0ctelnet \u5bc6\u7801\u7f3a\u7701\u4e3acisco
\nHostname PIX525 ------ \u4e3b\u673a\u540d\u79f0\u4e3aPIX525
\nDomain-name 123.com ------ \u672c\u5730\u7684\u4e00\u4e2a\u57df\u540d\u670d\u52a1\u5668123.com\uff0c\u901a\u5e38\u7528\u4f5c\u4e3a\u5916\u90e8\u8bbf\u95ee
\nFixup protocol ftp 21
\nFixup protocol http 80
\nfixup protocol h323 1720
\nfixup protocol rsh 514
\nfixup protocol smtp 25
\nfixup protocol sqlnet 1521
\nfixup protocol sip 5060 ------ \u5f53\u524d\u542f\u7528\u7684\u4e00\u4e9b\u670d\u52a1\u6216\u534f\u8bae\uff0c\u6ce8\u610frsh\u670d\u52a1\u662f\u4e0d\u80fd\u6539\u53d8\u7aef\u53e3\u53f7
\nnames ------ \u89e3\u6790\u672c\u5730\u4e3b\u673a\u540d\u5230ip\u5730\u5740\uff0c\u5728\u914d\u7f6e\u4e2d\u53ef\u4ee5\u7528\u540d\u5b57\u4ee3\u66ffip\u5730\u5740\uff0c\u5f53\u524d\u6ca1\u6709\u8bbe\u7f6e\uff0c\u6240\u4ee5\u5217\u8868\u4e3a\u7a7a
\npager lines 24 ------ \u6bcf24\u884c\u4e00\u5206\u9875
\ninterface ethernet0 auto
\ninterface ethernet1 auto ------ \u8bbe\u7f6e\u4e24\u4e2a\u7f51\u5361\u7684\u7c7b\u578b\u4e3a\u81ea\u9002\u5e94
\nmtu outside 1500
\nmtu inside 1500 ------ \u4ee5\u592a\u7f51\u6807\u51c6\u7684MTU\u957f\u5ea6\u4e3a1500\u5b57\u8282<\/p>\n

ip address outside 61.144.51.42 255.255.255.248
\nip address inside 192.168.0.1 255.255.255.0 ------ pix\u5916\u7f51\u7684ip\u5730\u574061.144.51.42\uff0c\u5185\u7f51\u7684ip\u5730\u5740192.168.0.1
\nip audit info action alarm
\nip audit attack action alarm ------ pix\u5165\u4fb5\u68c0\u6d4b\u76842\u4e2a\u547d\u4ee4\u3002\u5f53\u6709\u6570\u636e\u5305\u5177\u6709\u653b\u51fb\u6216\u62a5\u544a\u578b\u7279\u5f81\u7801\u65f6\uff0cpix\u5c06\u91c7\u53d6\u62a5\u8b66\u52a8\u4f5c\uff08\u7f3a\u7701\u52a8\u4f5c\uff09\uff0c\u5411\u6307\u5b9a\u7684\u65e5\u5fd7\u8bb0\u5f55\u4e3b\u673a\u4ea7\u751f\u7cfb\u7edf\u65e5\u5fd7\u6d88\u606f\uff1b\u6b64\u5916\u8fd8\u53ef\u4ee5\u4f5c\u51fa\u4e22\u5f03\u6570\u636e\u5305\u548c\u53d1\u51fatcp\u8fde\u63a5\u590d\u4f4d\u4fe1\u53f7\u7b49\u52a8\u4f5c\uff0c\u9700\u53e6\u5916\u914d\u7f6e\u3002
\npdm history enable ------ PIX\u8bbe\u5907\u7ba1\u7406\u5668\u53ef\u4ee5\u56fe\u5f62\u5316\u7684\u76d1\u89c6PIX
\narp timeout 14400 ------ arp\u8868\u7684\u8d85\u65f6\u65f6\u95f4
\nglobal (outside) 1 61.144.51.46 ------ \u5982\u679c\u4f60\u8bbf\u95ee\u5916\u90e8\u8bba\u575b\u6216\u7528QQ\u804a\u5929\u7b49\u7b49\uff0c\u4e0a\u9762\u663e\u793a\u7684ip\u5c31\u662f\u8fd9\u4e2a
\nnat (inside) 1 0.0.0.0 0.0.0.0 0 0
\nstatic (inside, outside) 61.144.51.43 192.168.0.8 netmask 255.255.255.255 0 0
\nconduit permit icmp any any
\nconduit permit tcp host 61.144.51.43 eq www any
\nconduit permit udp host 61.144.51.43 eq domain any
\n------ \u752861.144.51.43\u8fd9\u4e2aip\u5730\u5740\u63d0\u4f9bdomain-name\u670d\u52a1\uff0c\u800c\u4e14\u53ea\u5141\u8bb8\u5916\u90e8\u7528\u6237\u8bbf\u95eedomain\u7684udp\u7aef\u53e3
\nroute outside 0.0.0.0 0.0.0.0 61.144.51.61 1 ------ \u5916\u90e8\u7f51\u517361.144.51.61
\ntimeout xlate 3:00:00 ------ \u67d0\u4e2a\u5185\u90e8\u8bbe\u5907\u5411\u5916\u90e8\u53d1\u51fa\u7684ip\u5305\u7ecf\u8fc7\u7ffb\u8bd1(global)\u540e\uff0c\u5728\u7f3a\u77013\u4e2a\u5c0f\u65f6\u4e4b\u540e\u6b64\u6570\u636e\u5305\u82e5\u6ca1\u6709\u6d3b\u52a8\uff0c\u6b64\u524d\u521b\u5efa\u7684\u8868\u9879\u5c06\u4ece\u7ffb\u8bd1\u8868\u4e2d\u5220\u9664\uff0c\u91ca\u653e\u8be5\u8bbe\u5907\u5360\u7528\u7684\u5168\u5c40\u5730\u5740
\ntimeout conn 1:00:00 half-closed 0:10:00 udp 0:02:00 rpc 0:10:00 h323 0:05:00 sip 0:30:00 sip_media 0:02:00
\ntimeout uauth 0:05:00 absolute ------ AAA\u8ba4\u8bc1\u7684\u8d85\u65f6\u65f6\u95f4\uff0cabsolute\u8868\u793a\u8fde\u7eed\u8fd0\u884cuauth\u5b9a\u65f6\u5668\uff0c\u7528\u6237\u8d85\u65f6\u540e\uff0c\u5c06\u5f3a\u5236\u91cd\u65b0\u8ba4\u8bc1
\naaa-server TACACS+ protocol tacacs+
\naaa-server RADIUS protocol radius ------ AAA\u670d\u52a1\u5668\u7684\u4e24\u79cd\u534f\u8bae\u3002AAA\u662f\u6307\u8ba4\u8bc1\uff0c\u6388\u6743\uff0c\u5ba1\u8ba1\u3002Pix\u9632\u706b\u5899\u53ef\u4ee5\u901a\u8fc7AAA\u670d\u52a1\u5668\u589e\u52a0\u5185\u90e8\u7f51\u7edc\u7684\u5b89\u5168
\nno snmp-server location
\nno snmp-server contact
\nsnmp-server community public ------ \u7531\u4e8e\u6ca1\u6709\u8bbe\u7f6esnmp\u5de5\u4f5c\u7ad9\uff0c\u4e5f\u5c31\u6ca1\u6709snmp\u5de5\u4f5c\u7ad9\u7684\u4f4d\u7f6e\u548c\u8054\u7cfb\u4eba
\nno snmp-server enable traps ------ \u53d1\u9001snmp\u9677\u9631
\nfloodguard enable ------ \u9632\u6b62\u6709\u4eba\u4f2a\u9020\u5927\u91cf\u8ba4\u8bc1\u8bf7\u6c42\uff0c\u5c06pix\u7684AAA\u8d44\u6e90\u7528\u5b8c
\nno sysopt route dnat
\ntelnet timeout 5
\nssh timeout 5 ------ \u4f7f\u7528ssh\u8bbf\u95eepix\u7684\u8d85\u65f6\u65f6\u95f4
\nterminal width 80
\nCryptochecksum:a9f03ba4ddb72e1ae6a543292dd4f5e7
\nPIX525#
\nPIX525#write memory ------ \u5c06\u914d\u7f6e\u4fdd\u5b58
\n\u4e0a\u9762\u8fd9\u4e2a\u914d\u7f6e\u5b9e\u4f8b\u9700\u8981\u8bf4\u660e\u4e00\u4e0b\uff0cpix\u9632\u706b\u5899\u76f4\u63a5\u6446\u5728\u4e86\u4e0einternet\u63a5\u53e3\u5904\uff0c\u6b64\u5904\u7f51\u7edc\u73af\u5883\u6709\u5341\u51e0\u4e2a\u516c\u6709ip,\u53ef\u80fd\u4f1a\u6709\u670b\u53cb\u95ee\u5982\u679c\u6211\u7684\u516c\u6709ip\u5f88\u6709\u9650\u600e\u4e48\u529e\uff1f\u4f60\u53ef\u4ee5\u6dfb\u52a0router\u653e\u5728pix\u7684\u524d\u9762\uff0c\u6216\u8005global\u4f7f\u7528\u5355\u4e00ip\u5730\u5740\uff0c\u548c\u5916\u90e8\u63a5\u53e3\u7684ip\u5730\u5740\u76f8\u540c\u5373\u53ef\u3002\u53e6\u5916\u6709\u51e0\u4e2a\u7ef4\u62a4\u547d\u4ee4\u4e5f\u5f88\u6709\u7528\uff0cshow interface\u67e5\u770b\u7aef\u53e3\u72b6\u6001\uff0cshow static\u67e5\u770b\u9759\u6001\u5730\u5740\u6620\u5c04\uff0cshow ip\u67e5\u770b\u63a5\u53e3ip\u5730\u5740\uff0cping outside | inside ip_address\u786e\u5b9a\u8fde\u901a\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u5982\u4f55\u914d\u7f6eCisco PIX\u9632\u706b\u5899 \u4efb\u4f55\u4f01\u4e1a\u5b89\u5168\u7b56\u7565\u7684\u4e00\u4e2a\u4e3b\u8981\u90e8\u5206\u90fd\u662f\u5b9e\u73b0\u548c\u7ef4\u62a4\u9632\u706b\u5899\uff0c\u56e0\u6b64\u9632\u706b\u5899\u5728\u7f51\u7edc\u5b89\u5168\u7684\u5b9e\u73b0\u5f53\u4e2d\u626e\u6f14\u7740\u91cd\u8981\u7684\u89d2\u8272\u3002\u9632\u706b\u5899\u901a\u5e38\u4f4d\u4e8e\u4f01\u4e1a\u7f51\u7edc\u7684\u8fb9\u7f18\uff0c\u8fd9\u4f7f\u5f97\u5185\u90e8\u7f51\u7edc\u4e0eInternet\u4e4b\u95f4...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21],"tags":[],"class_list":["post-122","post","type-post","status-publish","format-standard","hentry","category-pix"],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/www.liangliang.org.cn\/index.php?rest_route=\/wp\/v2\/posts\/122","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.liangliang.org.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.liangliang.org.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.liangliang.org.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.liangliang.org.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=122"}],"version-history":[{"count":0,"href":"https:\/\/www.liangliang.org.cn\/index.php?rest_route=\/wp\/v2\/posts\/122\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.liangliang.org.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=122"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.liangliang.org.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=122"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.liangliang.org.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=122"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}