Thinkload253

Jun 26, 2020 Step 1: Specify DTLS options for AnyConnect VPN connections: Enable SSL and DTLS on the interface in webvpn mode. By default, DTLS is enabled when SSL VPN access is enabled on an interface. AnyConnect SSL VPN: webvpn enable Clientless SSL VPN: webvpn webvpn enable Cisco FTD Software. In the following table, the left column lists the Cisco FTD Software features that are vulnerable. The right column indicates the basic configuration for the feature from the show running-config CLI command.

1.Create Network Objects

(config)# object network office-subnet subnet 172.20.100.0 255.255.255.0
(config)# object network anyconnect-subnet subnet 192.168.210.0 255.255.255.0

2.Create DHCP Pool for Anyconnect client

(config)# ip local pool anyconnect-pool 192.168.210.50-192.168.210.200 mask 255.255.255.0

3.Create ACL and NAT

(config)# access-list InternalHosts-SplitTunnelAcl standard permit 172.20.100.0 255.255.255.0
(config)# nat (inside,outside) source static office-subnet office-subnet destination static anyconnect-subnet anyconnect-subnet

4.Enable AnyConnect. Update your relevant image package.

(config)# webvpn
(config-webvpn)# enable outside
(config-webvpn)# anyconnect enable
(config-webvpn)# anyconnect image disk0:/anyconnect-win-4.2.05015-k9.pkg

5.Enable Login dropdown

(config)# webvpn
(config-webvpn)# tunnel-group-list enable
(config-webvpn)# no error-recovery disable

6.Configure Group Policy

(config)# group-policy GroupPolicy-VPN internal
(config)# group-policy GroupPolicy-VPN attributes
(config-group-policy)# wins-server none
(config-group-policy)# dns-server value 8.8.8.8 8.8.4.4
(config-group-policy)# vpn-tunnel-protocol ikev2 ssl-client
(config-group-policy)# split-tunnel-policy tunnelspecified
(config-group-policy)# split-tunnel-network-list value InternalHosts-SplitTunnelAcl
(config-group-policy)# default-domain value itadminguide.com

7.LDAP Authentication for VPN users:

aaa-server LDAPSRV protocol ldap
aaa-server LDAPSRV (inside) host 172.20.100.10
ldap-base-dn dc=itadminguide,dc=com
ldap-scope subtree
ldap-naming-attribute sAMAccountName
ldap-login-password *****
ldap-login-dn asaldap@itadminguide.com
ldap-over-ssl enable
server-type microsoft
ldap-attribute-map map-anyconnect-login

Webvpn Anyconnect Profiles

ldap attribute-map map-anyconnect-login
map-name memberOf Group-Policy
map-value memberOf “CN=GS_VPN_Users,OU=GS_Group,DC=itadminguide,DC=com” GroupPolicy-VPN

Webvpn Anyconnect Modules

8.Tunnel

(config)# tunnel-group Tunnel-VPN type remote-access
(config)# tunnel-group Tunnel-VPN general-attributes
(config-tunnel-general)# address-pool anyconnect-pool
(config-tunnel-general)# authentication-server-group LDAPSRV
(config-tunnel-general)# default-group-policy GroupPolicy-VPN
(config-tunnel-general)# tunnel-group Tunnel-VPN webvpn-attributes
(config-tunnel-webvpn)# group-alias Tunnel-VPN enable

Troubleshooting

Webvpn Anyconnect Free