Cisco IOS路由器证书地图使用区分多个WebVPN上下文配置示例之间的用户连接

简介

本文为证书地图用于授权对sepecific WebVPN上下文的用户连接路由器的安全套接字协议层(SSL) VPN配置的一个Cisco IOS路由器提供一配置示例。它利用双重验证：证书和用户ID和密码。

先决条件

要求

思科建议您有SSL VPN配置知识在Cisco IOS路由器的。

使用的组件

本文档中的信息都是基于特定实验室环境中的设备编写的。本文档中使用的所有设备最初均采用原始（默认）配置。如果您使用的是真实网络，请确保您已经了解所有命令的潜在影响。

Caution:一个已知问题用证书地图是有不匹配在证书地图指定的标准的证书的用户能连接。这在Cisco Bug ID CSCug39152描述。此配置只研究有此bug的修正的Cicso IOS软件版本。

配置

在此部分的配置示例使用多个WebVPN上下文为了满足在介绍描述的要求。每个用户以多种组有验证两个的要素：证书和用户ID和密码。在此特定配置中，一旦用户验证，在证书区分最终用户根据他们的唯一组织单位(OU)归档的路由器。

网络图

步骤1.生成路由器身份证书

路由器使用一身份证书提交其标识对连接对SSL VPN的最终用户。您能使用根据您的需求或一第三方证书的一路由器生成的自签名证书。

Router(config)#crypto key generate rsa label RTR-ID modulus 1024 exportable
The name for the keys will be: RTR-ID

% The key modulus size is 1024 bits
% Generating 1024 bit RSA keys, keys will be non-exportable...
[OK] (elapsed time was 2 seconds)
Router(config)#
! Generates 1024 bit RSA key pair. "label" defines 
! the name of the Key Pair.

Router#configure terminal
Enter configuration commands, one per line.  End with CNTL/Z.
Router(ca-trustpoint)#crypto pki trustpoint RTR-ID
Router(ca-trustpoint)#rsakeypair RTR-ID
Router(ca-trustpoint)#enrollment terminal
Router(ca-trustpoint)#revocation-check none
Router(ca-trustpoint)#exit

Router(config)#crypto pki enroll RTR-ID
% Start certificate enrollment ..

% The subject name in the certificate will include: CN=webvpn.cisco.com,
OU=TSWEB,O=Cisco Systems,C=US,St=California,L=San Jose
% Include the router serial number in the subject name? [yes/no]: no
% Include an IP address in the subject name? [no]: no
Display Certificate Request to terminal? [yes/no]: yes
Certificate Request follows:
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---End - This line not part of the certificate request---

Redisplay enrollment request? [yes/no]: no
Router(config)# 

步骤2.配置证书地图

证书地图用于分类对特定WebVPN上下文的流入VPN客户端连接。此分类进行根据在证书地图配置的匹配标准。此配置显示如何检查最终用户证书的OU字段。

Router#configure terminal
Router(config)#crypto pki certificate map sales 10
Router(ca-certificate-map)# subject-name eq ou = sales
Router(ca-certificate-map)#!
Router(ca-certificate-map)#crypto pki certificate map finance 10
Router(ca-certificate-map)# subject-name eq ou = finance
Router(ca-certificate-map)#exit
Router(config)#exit

Note:当您配置证书地图时，如果有同一张证书地图的多个实例，然后或操作在他们间应用。然而，如果有多个规则配置在证书地图的同一实例下，然后和操作在他们间应用。例如，在此配置方面，包含字符串“公司”的服务器发出的所有证书和包含字符串“拨号”在主题名称或包含“广域网”在OrganizationUnit组件将接受：

crypto pki证书地图组10M
 签发方名称co公司
 subject-name co拨号
crypto pki证书地图组20
 签发方名称co公司
 subject-name co ou=WAN

步骤3.配置Webvpn gateway

Webvpn gateway是VPN用户登陆他们的连接的地方。在其简单配置中，它要求IP地址和信任点关联与它。相关的信任点“RTR-ID”在Webvpn gateway下的Step1创建。

Router#configure terminal
Router(config)#webvpn gateway ssl-vpn
Router(config-webvpn-gateway)#ip address 10.1.1.1 port 443
Router(config-webvpn-gateway)#ssl trustpoint RTR-ID
Router(config-webvpn-gateway)#inservice
Router(config-webvpn-gateway)#exit
Router(config)#exit

步骤4.配置WebVPN上下文

WebVPN上下文用于运用特定策略对最终用户，当连接对VPN。在此特定示例中，名为“金融”和“销售的”两不同的上下文创建运用不同的策略对每组。

Router#configure terminal
Router(config)#
Router(config)#webvpn context finance
Router(config-webvpn-context)# secondary-color white
Router(config-webvpn-context)# title-color #669999
Router(config-webvpn-context)# text-color black
Router(config-webvpn-context)# ssl authenticate verify all
Router(config-webvpn-context)# 
Router(config-webvpn-context)# policy group finance-vpn-policy
Router(config-webvpn-group)# functions svc-enabled
Router(config-webvpn-group)# timeout idle 3600
Router(config-webvpn-group)# svc address-pool "finance-vpn-pool" netmask 255.255.255.0
Router(config-webvpn-group)# svc keep-client-installed
Router(config-webvpn-group)# svc split include 10.10.10.0 255.255.255.0
Router(config-webvpn-group)#default-group-policy finance-vpn-policy
Router(config-webvpn-context)# aaa authentication list ClientAuth
Router(config-webvpn-context)# gateway ssl-vpn domain finance
Router(config-webvpn-context)# authentication certificate aaa
Router(config-webvpn-context)# match-certificate finance
Router(config-webvpn-context)# ca trustpoint RTR-ID
Router(config-webvpn-context)# inservice
Router(config-webvpn-context)#exit
Router(config)#
Router(config)#webvpn context sales
Router(config-webvpn-context)# secondary-color white
Router(config-webvpn-context)# title-color #669999
Router(config-webvpn-context)# text-color black
Router(config-webvpn-context)# ssl authenticate verify all
Router(config-webvpn-context)# 
Router(config-webvpn-context)# policy group sales-vpn-policy
Router(config-webvpn-group)# functions svc-enabled
Router(config-webvpn-group)# timeout idle 3600
Router(config-webvpn-group)# svc address-pool "sales-vpn-pool" netmask 255.255.255.0
Router(config-webvpn-group)# svc keep-client-installed
Router(config-webvpn-group)# svc split include 10.10.10.0 255.255.255.0
Router(config-webvpn-group)# default-group-policy sales-vpn-policy
Router(config-webvpn-context)# aaa authentication list ClientAuth
Router(config-webvpn-context)# gateway ssl-vpn domain sales
Router(config-webvpn-context)# authentication certificate aaa
Router(config-webvpn-context)# match-certificate sales
Router(config-webvpn-context)# ca trustpoint RTR-ID
Router(config-webvpn-context)# inservice
Router(config-webvpn-context)#exit
Router(config)#exit
Router#

步骤5.配置本地用户

为了满足第二个认证机制的要求，请配置本地用户名和密码。

username cisco password 0 cisco

最终路由器配置

aaa new-model
!
!
aaa authentication login default local
aaa authentication login ClientAuth local
crypto pki trustpoint RTR-ID
 enrollment terminal
 revocation-check none
 rsakeypair RTR-ID
!
!
crypto pki certificate map sales 10
 subject-name eq ou = sales
!
crypto pki certificate map finance 10
 subject-name eq ou = finance
!
crypto pki certificate chain RTR-ID
 certificate 6147EE6D000000000009
  308203B1 30820299 A0030201 02020A61 47EE6D00 00000000 09300D06 092A8648
  86F70D01 01050500 30123110 300E0603 55040313 074E6568 616C4341 301E170D
  31333033 32393231 33363138 5A170D31 34303332 39323134 3631385A 302D3113
  30110609 2A864886 F70D0109 02130432 38323131 16301406 03550403 130D3137
  322E3136 2E313436 2E313930 819F300D 06092A86 4886F70D 01010105 0003818D
  00308189 02818100 EC76F54D 91B953F5 8900D0BB 618B67E2 01E45BC8 06116BDF
  24C43E66 48743753 48288D0D A7BD66C8 EB2AA134 FF006719 42E0F351 BB4F80C9
  8898AF8E 05B2DD44 DD163441 05641A34 3B9F0949 0FBA558B 67058BF4 8566CB19
  FC626642 3E9E2FC1 7E60FC14 E32CF2C8 43AF750B 65E50D9A 4DB94E38 57B5B55C
  0274466A 91384A55 02030100 01A38201 70308201 6C300E06 03551D0F 0101FF04
  04030205 A0301D06 03551D0E 04160414 D47F7666 E765C4B1 F85DC0DA 33487D76
  61AF8C6A 301F0603 551D2304 18301680 14DF05DF A0B1B18D ED472F51 AC8F3EF0
  BF53BBE3 F0306F06 03551D1F 04683066 3064A062 A060862D 68747470 3A2F2F6E
  65686E61 696B2D36 7935396B 6A372F43 65727445 6E726F6C 6C2F4E65 68616C43
  412E6372 6C862F66 696C653A 2F2F5C5C 6E65686E 61696B2D 36793539 6B6A375C
  43657274 456E726F 6C6C5C4E 6568616C 43412E63 726C3081 A806082B 06010505
  07010104 819B3081 98304906 082B0601 05050730 02863D68 7474703A 2F2F6E65
  686E6169 6B2D3679 35396B6A 372F4365 7274456E 726F6C6C 2F6E6568 6E61696B
  2D367935 396B6A37 5F4E6568 616C4341 2E637274 304B0608 2B060105 05073002
  863F6669 6C653A2F 2F5C5C6E 65686E61 696B2D36 7935396B 6A375C43 65727445
  6E726F6C 6C5C6E65 686E6169 6B2D3679 35396B6A 375F4E65 68616C43 412E6372
  74300D06 092A8648 86F70D01 01050500 03820101 001AD42F D498D6FE 38F1F5DA
  88D0F346 3E4598ED FA2E5AE1 4ECF6802 1B50DDB5 8928849A DE8D3477 3E25A42A
  231C111B FF9E56DA 63DA513D FDC7E1A6 451ABD08 1D8B4493 72A5DAFF DFE2A44C
  1C2A7D10 8182E4F2 BE223A11 6A833A27 9A07FE8F D65AC9E5 DF03D316 90959E59
  D9AFB6A2 E977E5AE 62C31D60 F53097EA A84E7FB4 4BB4DBEB 95A104AA 5ED90A6F
  6FC5326C F5364AE2 AC35A465 66F577DD 696E2CEE C0728891 2414244C 5103D211
  D7A38C21 4A9B08FA FDFC705D 93578050 56D3C1AC 8631EA71 C043D5DE 6272340C
  B7F6F986 785ED5BE 8351F87C 1DE8266A 93818EC5 3121951A 6AAD9414 2564DCEE
  D14954CE 847EC66B 53769D60 48D91E1A 2C04638E D2
        quit
 certificate ca 17AAB07F3B05139A40D88D1FD325CBB3
  30820372 3082025A A0030201 02021017 AAB07F3B 05139A40 D88D1FD3 25CBB330
  0D06092A 864886F7 0D010105 05003012 3110300E 06035504 0313074E 6568616C
  4341301E 170D3133 30333238 30303238 30395A17 0D313830 33323830 30333734
  375A3012 3110300E 06035504 0313074E 6568616C 43413082 0122300D 06092A86
  4886F70D 01010105 00038201 0F003082 010A0282 010100E1 47142E08 7D8D6EF4
  80D47525 1A3DBBB2 CBDB487B 1BB79E8C 4205E851 A0DE9958 8AB7B65D D461F8CA
  B1FF710B 8A8F60BD 3116B12C 439ADD33 FEE2D383 89672748 9A3D0E18 6A0C3B08
  144D1775 C708505D 9FDADBC2 B7932420 339BE558 20970EF1 8C229912 90CC0D27
  0459DEB8 7342AE2D EE565BD1 23F877DA 27517E20 6EDADFE8 15DF6B5D 80BD15E8
  68CF9E93 C24E315A AA86F55F B22E47D0 75A863B8 1227C6ED A5CBAD2C D98C3009
  83F42A11 EB73D887 DA23C85D A4E45779 5F469892 B91CA443 D04E8A9F 31C8FC2C
  4342D77A 6A1618EE 8BA1658A 2F2F1CC0 31BAE81A CE1FC437 9D3A0C4D 9B782305
  2BD27A83 C7AFB3EC 87C2FFFC D98B0F98 3E2A3FE2 91E1F502 03010001 A381C330
  81C0300B 0603551D 0F040403 02018630 0F060355 1D130101 FF040530 030101FF
  301D0603 551D0E04 160414DF 05DFA0B1 B18DED47 2F51AC8F 3EF0BF53 BBE3F030
  6F060355 1D1F0468 30663064 A062A060 862D6874 74703A2F 2F6E6568 6E61696B
  2D367935 396B6A37 2F436572 74456E72 6F6C6C2F 4E656861 6C43412E 63726C86
  2F66696C 653A2F2F 5C5C6E65 686E6169 6B2D3679 35396B6A 375C4365 7274456E
  726F6C6C 5C4E6568 616C4341 2E63726C 30100609 2B060104 01823715 01040302
  0100300D 06092A86 4886F70D 01010505 00038201 01008727 6455D71B B99EF41E
  A3783CC2 82AFCB71 D774A5AE 386990E9 96A1F605 A6F31A8C DA9986B4 4B1CC5E9
  DB26606F A9FDA997 23276900 DAF3C07A 0A31055E C691E4D4 36D17BD1 46D858A4
  9F76D51D 8B758324 9B262FB1 8697B1D2 897DC31B 4DE288D7 70EA00F1 73A8FD5C
  CFCAABFB EAAE821D ED530F9E 5DFB9775 7B7D81F5 10837101 8CFED1BA DC22644B
  8637BA1B 3E1D2E4C 23780921 5BFB37F5 45FAA721 6CF85027 866FD4CB 19D28D5B
  DC7D7A58 DE8855B8 F37703DC FD0B05ED B57D949F 1D8F9D0C DF0FBB4F 011FDC2B
  78EFB2FF AF739C75 208CACDB 16BA4179 0414F119 0A33E659 DA9A4D23 155E5BAC
  C0814BFB AB1F2A1E 998EE1D4 BA8B2A4D 702B80FB 54AC
        quit
!
username cisco password 0 cisco
!
interface GigabitEthernet0/0
 ip address 10.1.1.1 255.255.255.0
 duplex auto
 speed auto
!
interface GigabitEthernet0/1
 ip address 10.10.10.1 255.255.255.0
 duplex auto
 speed auto
!
ip local pool finance-vpn-pool 172.16.0.1 172.16.0.254
ip local pool sales-vpn-pool 172.16.1.1 172.16.1.254
!
!
webvpn gateway ssl-vpn
 ip address 10.1.1.1 port 443
 ssl trustpoint RTR-ID
 inservice
 !
webvpn context finance
 secondary-color white
 title-color #669999
 text-color black
 ssl authenticate verify all
 !
 !
 policy group finance-vpn-policy
   functions svc-enabled
   timeout idle 3600
   svc address-pool "finance-vpn-pool" netmask 255.255.255.0
   svc keep-client-installed
   svc split include 10.10.10.0 255.255.255.0
 default-group-policy finance-vpn-policy
 aaa authentication list ClientAuth
 gateway ssl-vpn domain finance
 authentication certificate aaa
 match-certificate finance
 ca trustpoint RTR-ID
 inservice
!
!
webvpn context sales
 secondary-color white
 title-color #669999
 text-color black
 ssl authenticate verify all
 !
 !
 policy group sales-vpn-policy
   functions svc-enabled
   timeout idle 3600
   svc address-pool "sales-vpn-pool" netmask 255.255.255.0
   svc keep-client-installed
   svc split include 10.10.10.0 255.255.255.0
 default-group-policy sales-vpn-policy
 aaa authentication list ClientAuth
 gateway ssl-vpn domain sales
 authentication certificate aaa
 match-certificate sales
 ca trustpoint RTR-ID
 inservice
!
end

验证

使用本部分可确认配置能否正常运行。

证书验证

Router#show crypto ca certificate
Certificate
  Status: Available
  Certificate Serial Number (hex): 6147EE6D000000000009
  Certificate Usage: General Purpose
  Issuer:
    cn=NehalCA
  Subject:
    Name: Router
    hostname=2821
  CRL Distribution Points:
    http://nehnaik-6y59kj7/CertEnroll/NehalCA.crl
  Validity Date:
    start date: 15:36:18 PST Mar 29 2013
    end   date: 15:46:18 PST Mar 29 2014
  Associated Trustpoints: RTR-ID
  Storage: nvram:NehalCA#9.cer

CA Certificate
  Status: Available
  Certificate Serial Number (hex): 17AAB07F3B05139A40D88D1FD325CBB3
  Certificate Usage: Signature
  Issuer:
    cn=NehalCA
  Subject:
    cn=NehalCA
  CRL Distribution Points:
    http://nehnaik-6y59kj7/CertEnroll/NehalCA.crl
  Validity Date:
    start date: 18:28:09 PST Mar 27 2013
    end   date: 18:37:47 PST Mar 27 2018
  Associated Trustpoints: RTR-ID
  Storage: nvram:NehalCA#CBB3CA.cer

最终用户VPN连接验证

故障排除

请使用debug命令为了排除故障问题。

debug webvpn
debug webvpn sdps level 2
debug webvpn aaa
debug aaa authentication

Note:使用 debug 命令之前，请参阅有关 Debug 命令的重要信息。

相关信息

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