This post describes how to build a remote access VPN connection using Clientless SSL VPN feature.
Related posts in this blog:
- Cisco ASA 5500-X Series Software 9.x Configuration Notes (Tips and Tricks)
- Cisco ASA Remote Access VPN Configuration 2 - Anyconnect VPN Configuration
- Cisco ASA Remote Access VPN Configuration 1 - Clientless SSL VPN Configuration
- Cisco ASAv HA Configurations
1. Topology
2. Configuration Steps
2.1 Start VPN Wizards -> Clientless SSL VPN Wizard...
2.2 Set Up SSL VPN Interface
2.6 Import RDP/SSH/VNC Plug-in
2.6.1 Download RDP/SSH/VNC Java Plug-in
3. Configuration
ciscoasa# show run
: Saved : : Serial Number: 9ALU3EW6LDF : Hardware:  ASAv, 1024 MB RAM, CPU Xeon 5500 series 2294 MHz : ASA Version 9.5(1)200 ! hostname ciscoasa enable password 8Ry2YjIyt7RRXU24 encrypted xlate per-session deny tcp any4 any4 xlate per-session deny tcp any4 any6 xlate per-session deny tcp any6 any4 xlate per-session deny tcp any6 any6 xlate per-session deny udp any4 any4 eq domain xlate per-session deny udp any4 any6 eq domain xlate per-session deny udp any6 any4 eq domain xlate per-session deny udp any6 any6 eq domain names ! interface GigabitEthernet0/0  nameif INTERNAL  security-level 100  ip address 10.94.200.12 255.255.255.0 !        interface GigabitEthernet0/1  nameif DMZ  security-level 100  ip address 172.17.3.12 255.255.255.0 ! interface GigabitEthernet0/2  shutdown  no nameif  no security-level  no ip address ... ! interface Management0/0  management-only  nameif MGMT  security-level 0  ip address 192.168.2.12 255.255.255.0 ! ftp mode passive dns domain-lookup INTERNAL dns domain-lookup DMZ dns domain-lookup MGMT same-security-traffic permit inter-interface same-security-traffic permit intra-interface pager lines 23 logging enable logging asdm informational mtu INTERNAL 1500 mtu DMZ 1500 mtu MGMT 1500 no failover no monitor-interface service-module icmp unreachable rate-limit 1 burst-size 1 no asdm history enable arp timeout 14400 no arp permit-nonconnected 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 user-identity default-domain LOCAL aaa authentication ssh console LOCAL http server enable http 192.168.2.0 255.255.255.0 MGMT 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 6ecc7aa5a7032009b8cebcf4e952d491   308205ec 308204d4 a0030201 0202106e cc7aa5a7 032009b8 cebcf4e9 52d49130   0d06092a 864886f7 0d010105 05003081 ca310b30 09060355 04061302 55533117   ...   6119b5dd cdb50b26 058ec36e c4c875b8 46cfe218 065ea9ae a8819a47 16de0c28   6c2527b9 deb78458 c61f381e a4c4cb66  quit telnet timeout 5 ssh stricthostkeycheck ssh 192.168.2.0 255.255.255.0 MGMT ssh timeout 5 ssh key-exchange group dh-group1-sha1 console timeout 0 threat-detection basic-threat threat-detection statistics access-list no threat-detection statistics tcp-intercept webvpn  enable DMZ  error-recovery disable group-policy sslvpn_policy1 internal group-policy sslvpn_policy1 attributes  vpn-tunnel-protocol ssl-clientless  webvpn  url-list value test21 dynamic-access-policy-record DfltAccessPolicy username test password P4ttSyrm33SV8TYp encrypted privilege 0 username test attributes  vpn-group-policy sslvpn_policy1  webvpn  url-list value test21 username admin password eY/fQXw7Ure8Qrz7 encrypted username admin attributes  webvpn  url-list value test21 tunnel-group SSLVPN1 type remote-access tunnel-group SSLVPN1 general-attributes  default-group-policy sslvpn_policy1 ! 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 ip-options  inspect netbios  inspect rtsp  inspect sunrpc  inspect tftp  inspect xdmcp  inspect dns preset_dns_map  inspect ftp  inspect h323 h225  inspect h323 ras  inspect rsh  inspect esmtp  inspect sqlnet  inspect sip   inspect skinny  policy-map type inspect dns migrated_dns_map_1  parameters  message-length maximum client auto  message-length maximum 512 ! service-policy global_policy global prompt hostname context no call-home reporting anonymous call-home  profile CiscoTAC-1  no active  destination address http https://tools.cisco.com/its/service/oddce/services/DDCEService  destination address email [email protected]  destination transport-method http  subscribe-to-alert-group diagnostic  subscribe-to-alert-group environment  subscribe-to-alert-group inventory periodic monthly  subscribe-to-alert-group configuration periodic monthly  subscribe-to-alert-group telemetry periodic daily  profile License  destination address http https://tools.cisco.com/its/service/oddce/services/DDCEService  destination transport-method http hpm topN enable Cryptochecksum:933e07d913ddf455a108be19e0e61f9b : end ciscoasa# |
Reference
- ASA 8.x Import RDP Plug-in for use with WebVPN Configuration Example
- ASA Clientless SSLVPN: RDP Plug-in Issues
- Configuring Cisco ASA Clientless SSL VPN
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