拓朴图

 

 实验目的,PC2通过SSL×××能够访问到PC1

SSL×××服务端配置全在ASA上面,下面为配置步骤:

 

第一步:建立RSA密钥证书,名称为ssl***keypair

crypto key generate rsa label ssl***keypair

第二步:建立自我信任点CA,名称为localtrust。加载RSA密钥证书

crypto ca trustpoint localtrust

  enrollment self
  fqdn ssl***.luotao.com
  subject-name CN=ssl***.luotao.com
  keypair ssl***keypair
  crypto ca enroll localtrust noconfirm
  exit

第三步:将CA信任点localtrust应用到OUTSIDE口

ssl trust-point localtrust outside

第四步:将客户端上传到ASA并安装,开启SVC在outside口。

copy tftp disk0:

web*** 
 svc p_w_picpath disk0:/sslclient.pkg 1
 svc outside
 svc enable
 exit

第五步:建立clientpool,给客户端分配IP

ip local pool sslclientpool 10.10.10.10-10.10.10.50 mask 255.255.255.0

第六步:创建组策略名为sslclientpolicy,设置类型;组策略属性包括设置DNS,指定隧道协议SVC,设置域名,加载客户端pool

group-policy sslclientpolicy internal

group-policy sslclientpolicy attributes
 dns-server value 202.96.134.133
 ***-tunnel-protocol svc
 default-domain value luotao.com
 address-pools value sslclientpool
 exit

第七步:设计访问列表旁路,×××流量不受outside口ACL限制。

sysopt connection permit-***

第八步:创建tunnel-group隧道组sslclientprofile,组属性包括加载组策略sslclientpolicy,以及设置登陆时看到的组名称ssl***client

tunnel-group sslclientprofile type remote-access

tunnel-group sslclientprofile general-attributes
 default-group-policy sslclientpolicy
tunnel-group sslclientprofile web***-attributes
 group-alias ssl***client enable
 exit

第九步:开启tunnel-group列表功能,开启则在SSL客户端显示GROUP名称,否则不显示。

web***

 tunnel-group-list enable
 exit

第十步:配置NAT免除,不让SSL×××的流量经过NAT

access-list nat0 extended permit ip 192.168.1.0 255.255.255.0 10.10.10.0 255.255.255.0

nat (inside) 0 access-list nat0

第十一步:建立本地用户,供SSLCLIENT登陆时使用。

username cisco password cisco

username cisco attributes
 service-type remote-access
 exit

第十二步:配置隧道分离,用ACL匹配流量,应用到组策略中。作用是在访问SSL×××的同时,还可以访问internet与其它网络。

access-list splitssltunnel standard permit 192.168.1.0 255.255.255.0

group-policy sslclientpolicy attributes
 split-tunnel-policy tunnelspecified
 split-tunnel-network-list value splitssltunnel

 exit

第十三步:保存配置

save

 

在PC2上输入    按照步骤配置客户端

客户端状态

隧道分离

 

测试:

ping 192.168.1.2    OK

访问PC1上的FTP      OK

 

最后上全部配置文件:

ciscoasa(config)# sh run

: Saved
:
ASA Version 8.0(2)
!
hostname ciscoasa
enable password 8Ry2YjIyt7RRXU24 encrypted
names
!
interface Ethernet0/0
 nameif inside
 security-level 100
 ip address 192.168.1.1 255.255.255.0
!
interface Ethernet0/1
 nameif outside
 security-level 0
 ip address 1.1.1.1 255.255.255.0
!
interface Ethernet0/2
 shutdown
 no nameif
 no security-level
 no ip address
!
interface Ethernet0/3
 shutdown    
 no nameif
 no security-level
 no ip address
!
interface Ethernet0/4
 shutdown
 no nameif
 no security-level
 no ip address
!
interface Ethernet0/5
 shutdown
 no nameif
 no security-level
 no ip address
!
passwd 2KFQnbNIdI.2KYOU encrypted
ftp mode passive
access-list nat0 extended permit ip 192.168.1.0 255.255.255.0 10.10.10.0 255.255.255.0
access-list splitssltunnel standard permit 192.168.1.0 255.255.255.0
pager lines 24
mtu inside 1500
mtu outside 1500
ip local pool sslclientpool 10.10.10.10-10.10.10.50 mask 255.255.255.0
no failover
icmp unreachable rate-limit 1 burst-size 1
no asdm history enable
arp timeout 14400
nat (inside) 0 access-list nat0
route outside 0.0.0.0 0.0.0.0 1.1.1.2 1
timeout xlate 3:00:00
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 uauth 0:05:00 absolute
dynamic-access-policy-record DfltAccessPolicy
no snmp-server location
no snmp-server contact
snmp-server enable traps snmp authentication linkup linkdown coldstart
crypto ca trustpoint localtrust
 enrollment self
 fqdn ssl***.luotao.com
 subject-name CN=ssl***.luotao.com
 keypair ssl***keypair
 crl configure
crypto ca certificate chain localtrust
 certificate 31
    308201f0 30820159 a0030201 02020131 300d0609 2a864886 f70d0101 04050030
    3e311a30 18060355 04031311 73736c76 706e2e6c 756f7461 6f2e636f 6d312030
    1e06092a 864886f7 0d010902 16117373 6c76706e 2e6c756f 74616f2e 636f6d30
    1e170d39 39313133 30303030 3630375a 170d3039 31313237 30303036 30375a30
    3e311a30 18060355 04031311 73736c76 706e2e6c 756f7461 6f2e636f 6d312030
    1e06092a 864886f7 0d010902 16117373 6c76706e 2e6c756f 74616f2e 636f6d30
    819f300d 06092a86 4886f70d 01010105 0003818d 00308189 02818100 89432e7b
    bde8efe4 c6bff55e 19dd1827 35004897 100afd21 dd0a975c 2c909111 1aca7622
    d384dca2 ee5634de 40809693 d62c0b91 c5992176 791dd02e 33bbd56f d09ccb4c
    b39f8d74 1edff436 51f9f759 2c01cb26 b2a70592 a7bbc4c2 793c2132 24d21e2d
    94c87c76 487b8c76 c4c02696 f63a2758 abece6ff 47e9c4a5 d194e9cf 02030100
    01300d06 092a8648 86f70d01 01040500 03818100 57296309 1982e43e 45185e2e
    33768095 a30c414c ae6ad9d6 45f16bbc 728b0fd0 60185281 15a3226e 654ca746
    d810ded1 5727fb17 808ef178 afa72a99 a1ed4863 99cf1356 a65574c7 3eecef34
    6c99d087 04233074 26517e3d 48b838c6 9f0cb782 06d740cd 794aaa32 124f910f
    095cdab1 66f1b848 f0285f1f 5a08b012 fb2f3815
  quit
no crypto isakmp nat-traversal
telnet timeout 5
ssh timeout 5
console timeout 0
threat-detection basic-threat
threat-detection statistics access-list
!
class-map inspection_default
 match default-inspection-traffic
!
!
policy-map type inspect dns preset_dns_map
 parameters
  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 netbios
  inspect rsh
  inspect rtsp
  inspect skinny 
  inspect esmtp
  inspect sqlnet
  inspect sunrpc
  inspect tftp
  inspect sip 
  inspect xdmcp
!
service-policy global_policy global
ssl trust-point localtrust outside
web***
 enable outside
 svc p_w_picpath disk0:/sslclient.pkg 1
 svc enable
 tunnel-group-list enable
group-policy sslclientpolicy internal
group-policy sslclientpolicy attributes
 dns-server value 202.96.134.133
 ***-tunnel-protocol svc
 split-tunnel-policy tunnelspecified
 split-tunnel-network-list value splitssltunnel
 default-domain value luotao.com
 address-pools value sslclientpool
username cisco password 3USUcOPFUiMCO4Jk encrypted
username cisco attributes
 service-type remote-access
tunnel-group sslclientprofile type remote-access
tunnel-group sslclientprofile general-attributes
 default-group-policy sslclientpolicy
tunnel-group sslclientprofile web***-attributes
 group-alias ssl***client enable
prompt hostname context
Cryptochecksum:3aee551f153ae30800bfb0ef4362cac8
: end