目标：掌握Cisco ASA 5505 （Version 9.X）LAN上网和NAT的配置
ASA # show run : ASA Version 9.1(7)31 ! hostname ASA enable password 5HCygneKtLabhS2F encrypted names ! interface Ethernet0/0 switchport access vlan 2 ---------- ! interface Ethernet0/1 ------------ ! interface Ethernet0/2 ! interface Ethernet0/3 ! interface Ethernet0/4 ! interface Ethernet0/5 ! interface Ethernet0/6 ! interface Ethernet0/7 ! interface Vlan1 nameif inside security-level 100 ip address 192.168.8.254 255.255.255.0 ------------ ! interface Vlan2 nameif outside security-level 0 ip address 116.6.78.136 255.255.255.240 -------------- ! ftp mode passive object network obj_any ----------------- subnet 0.0.0.0 0.0.0.0 object network WEB-Server -------------- host 192.168.8.222 access-list 100 extended permit icmp any any -------------- **允许ping ** access-list 100 extended permit ip any any --------------- pager lines 24 logging asdm informational mtu inside 1500 mtu outside 1500 icmp unreachable rate-limit 1 burst-size 1 no asdm history enable arp timeout 14400 no arp permit-nonconnected ! object network obj_any ------------------- nat (inside,outside) dynamic interface object network WEB-Server ------------ nat (inside,outside) static 116.6.78.136 service tcp 443 443 access-group 100 in interface outside route outside 0.0.0.0 0.0.0.0 116.6.78.79 1 ---------------- timeout xlate 3:00:00 timeout pat-xlate 0:00:30 timeout conn 1:00:00 half-closed 0:10:00 udp 0:02:00 icmp 0:00:02 timeout sunrpc 0:10:00 h323 0:05:00 h225 1:00:00 mgcp 0:05:00 mgcp-pat 0:05:00 timeout sip 0:30:00 sip_media 0:02:00 sip-invite 0:03:00 sip-disconnect 0:02:00 timeout sip-provisional-media 0:02:00 uauth 0:05:00 absolute timeout tcp-proxy-reassembly 0:01:00 timeout floating-conn 0:00:00 dynamic-access-policy-record DfltAccessPolicy user-identity default-domain LOCAL aaa authentication http console LOCAL --------------- aaa authentication telnet console LOCAL aaa authentication ssh console LOCAL http server enable -------------- http 0.0.0.0 0.0.0.0 inside ------------- no snmp-server location no snmp-server contact crypto ipsec security-association pmtu-aging infinite crypto ca trustpoint _SmartCallHome_ServerCA no validation-usage crl configure crypto ca trustpool policy crypto ca certificate chain _SmartCallHome_ServerCA certificate ca 18dad19e267de8bb4a2158cdcc6b3b4a 308204d3 308203bb a0030201 02021018 dad19e26 7de8bb4a 2158cdcc 6b3b4a30 0d06092a 864886f7 0d010105 05003081 ca310b30 09060355 04061302 55533117 30150603 55040a13 0e566572 69536967 6e2c2049 6e632e31 1f301d06 0355040b 13165665 72695369 676e2054 72757374 204e6574 776f726b 313a3038 06035504 0b133128 63292032 30303620 56657269 5369676e 2c20496e 632e202d 20466f72 20617574 686f7269 7a656420 75736520 6f6e6c79 31453043 06035504 03133c56 65726953 69676e20 436c6173 73203320 5075626c 69632050 72696d61 72792043 65727469 66696361 74696f6e 20417574 686f7269 7479202d 20473530 1e170d30 36313130 38303030 3030305a 170d3336 30373136 32333539 35395a30 81ca310b 30090603 55040613 02555331 17301506 0355040a 130e5665 72695369 676e2c20 496e632e 311f301d 06035504 0b131656 65726953 69676e20 54727573 74204e65 74776f72 6b313a30 38060355 040b1331 28632920 32303036 20566572 69536967 6e2c2049 6e632e20 2d20466f 72206175 74686f72 697a6564 20757365 206f6e6c 79314530 43060355 0403133c 56657269 5369676e 20436c61 73732033 20507562 6c696320 5072696d 61727920 43657274 69666963 6174696f 6e204175 74686f72 69747920 2d204735 30820122 300d0609 2a864886 f70d0101 01050003 82010f00 3082010a 02820101 00af2408 08297a35 9e600caa e74b3b4e dc7cbc3c 451cbb2b e0fe2902 f95708a3 64851527 f5f1adc8 31895d22 e82aaaa6 42b38ff8 b955b7b1 b74bb3fe 8f7e0757 ecef43d 66621561 cf600da4 d8def8e0 c362083d 5413eb49 ca595485 26e52b8f 1b9febf5 a191c233 49d84363 6a524bd2 8fe87051 4dd18969 7bc770f6 b3dc1274 db7b5d4b 56d396bf 1577a1b0 f4a225f2 af1c9267 18e5f406 04ef90b9 e400e4dd 3ab519ff 02baf43c eee08beb 378becf4 d7acf2f6 f03dafdd 75913319 1d1c40cb 74241921 93d914fe ac2a52c7 8fd50449 e48d6347 883c6983 cbfe47bd 2b7e4fc5 95ae0e9d d4d143c0 6773e314 087ee53f 9f73b833 0acf5d3f 3487968a ee53e825 15020301 0001a381 b23081af 300f0603 551d1301 01ff0405 30030101 ff300e06 03551d0f 0101ff04 04030201 06306d06 082b0601 05050701 0c046130 5fa15da0 5b305930 57305516 09696d61 67652f67 69663021 301f3007 06052b0e 03021a04 148fe5d3 1a86ac8d 8e6bc3cf 806ad448 182c7b19 2e302516 23687474 703a2f2f 6c6f676f 2e766572 69736967 6e2e636f 6d2f7673 6c6f676f 2e676966 301d0603 551d0e04 1604147f d365a7c2 ddecbbf0 3009f343 39fa02af 33313330 0d06092a 864886f7 0d010105 05000382 01010093 244a305f 62cfd81a 982f3dea dc992dbd 77f6a579 2238ecc4 a7a07812 ad620e45 7064c5e7 97662d98 097e5faf d6cc2865 f201aa08 1a47def9 f97c925a 0869200d d93e6d6e 3c0d6ed8 e6069140 18b9f8c1 eddfdb41 aae09620 c9cd6415 3881c994 eea28429 0b136f8e db0cdd25 02dba48b 1944d241 7a05694a 584f60ca 7e826a0b 02aa2517 39b5db7f e784652a 958abd86 de5e8116 832d10cc defda882 2a6d281f 0d0bc4e5 e71a2619 e1f4116f 10b595fc e7420532 dbce9d51 5e28b69e 85d35bef a57d4540 728eb70e 6b0e06fb 33354871 b89d278b c4655f0d 86769c44 7af6955c f65d3208 33a454b6 183f685c f2424a85 3854835f d1e82cf2 ac11d6a8 ed636a quit telnet 0.0.0.0 0.0.0.0 inside ------------ telnet 112.95.128.0 255.255.255.0 outside ----------- telnet timeout 5 ssh stricthostkeycheck ssh 0.0.0.0 0.0.0.0 inside------------ ssh 112.95.128.0 255.255.255.0 outside ----------------- ssh timeout 5 ssh version 2 ssh key-exchange group dh-group1-sha1 console timeout 0
dhcpd dns 202.96.128.86 202.96.133.33---------- dhcpd auto_config outside ! dhcpd address 192.168.8.1-192.168.8.20 inside ---------- dhcpd enable inside ------------ ! threat-detection basic-threat threat-detection statistics access-list no threat-detection statistics tcp-intercept username admin password .fIb5CIfbqqWFlJa encrypted ! class-map inspection_default match default-inspection-traffic ! ! policy-map type inspect dns preset_dns_map parameters message-length maximum client auto message-length maximum 512 policy-map global_policy class inspection_default inspect dns preset_dns_map inspect ftp inspect h323 h225 inspect h323 ras inspect rsh inspect rtsp inspect esmtp inspect sqlnet inspect skinny inspect sunrpc inspect xdmcp inspect sip inspect netbios inspect tftp inspect ip-options ! service-policy global_policy global prompt hostname context call-home reporting anonymous Cryptochecksum:726883839843016c707f707dfb75d752 : end ASA#
如果内网有多个WEB和多个网段需要同时NAT到外边上网的，请联系我，我会在后续更新这部分内容。