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8.2

Cisco 5505 DNS not reaching vpn clients

Asked by peterbliss in Cisco PIX Firewall, Virtual Private Networking (VPN), Windows Networking

Tags: cisco asa 5505, dns, cisco, vpn, 5505

I have a cisco asa 5505 that I need to get dns out to my remote desktop employees. (I also have been having an issue with the split tunnel not working properly, I have solved this issue already I still need to get dns across the network.) I have followed everything cisco has documented and for some reason I feel I am missing some access list or something is not worded correctly..
I have attempted to use the adsm and i get the same resolutes. I prefer to use CLI so if someone could please point out my issues.

Thanks

Here is my config

Here is an updated configuration that seems to be closer

sho run
: Saved
:
ASA Version 7.2(3)
!
hostname ciscoasa
domain-name cary.local
enable password vp4FwPQQYsKzUl7N encrypted
names
!
interface Vlan1
 nameif inside
 security-level 100
 ip address 192.168.0.1 255.255.255.0
!
interface Vlan2
 nameif outside
 security-level 0
 ip address 63.xxx.xx.234 255.255.255.248
!
interface Vlan3
 no forward interface Vlan1
 nameif dmz
 security-level 50
 no ip address
!
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
!
passwd vp4FwPQQYsKzUl7N encrypted
ftp mode passive
dns domain-lookup inside
dns domain-lookup outside
dns server-group DefaultDNS
 name-server 192.168.0.21
 domain-name carescape.local
access-list cary_splitTunnelAcl standard permit 192.168.0.0 255.255.255.0
access-list inside_nat0_outbound extended permit ip 192.168.0.0 255.255.255.0 172.30.50.0 255.255.255.0
access-list access_outside_in extended permit icmp any any
access-list access_outside_in extended permit tcp any host 63.xx.xx.234 eq 3389
access-list access_outside_in extended permit tcp any interface outside eq 3389
access-list access_outside_in extended permit tcp any host 63.xx.xx.234 eq https
access-list access_outside_in extended permit tcp any interface outside eq https
access-list access_outside_in extended permit tcp any interface outside eq www
access-list access_outside_in extended permit tcp any host 63.xx.xx.234 eq www
access-list access_outside_in extended permit tcp any host 63.xx.xx.234 eq smtp
access-list access_outside_in extended permit tcp any interface outside eq smtp
access-list outside_cryptomap extended permit ip any any
pager lines 24
logging enable
logging asdm informational
mtu inside 1500
mtu outside 1500
mtu dmz 1500
ip local pool VPNPOOL 172.30.50.100-172.30.50.120 mask 255.255.255.0
icmp unreachable rate-limit 1 burst-size 1
asdm image disk0:/asdm-523.bin
no asdm history enable
arp timeout 14400
global (outside) 1 interface
nat (inside) 1 0.0.0.0 0.0.0.0
static (inside,outside) tcp interface smtp 192.168.0.24 smtp netmask 255.255.255.255
static (inside,outside) tcp interface www 192.168.0.24 www netmask 255.255.255.255
static (inside,outside) tcp interface https 192.168.0.24 https netmask 255.255.255.255
static (inside,outside) tcp interface 3389 192.168.0.22 3389 netmask 255.255.255.255
access-group access_outside_in in interface outside
route inside 0.0.0.0 0.0.0.0 192.168.0.1 tunneled
route outside 0.0.0.0 0.0.0.0 63.xx.xx.233 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
http server enable
http 192.168.0.0 255.255.255.0 inside
no snmp-server location
no snmp-server contact
snmp-server enable traps snmp authentication linkup linkdown coldstart
crypto ipsec transform-set ESP-3DES-SHA esp-3des esp-sha-hmac
crypto dynamic-map outside_dyn_map 20 set pfs
crypto dynamic-map outside_dyn_map 20 set transform-set ESP-3DES-SHA
crypto map outside_map 65535 ipsec-isakmp dynamic outside_dyn_map
crypto map outside_map interface outside
crypto isakmp enable outside
crypto isakmp policy 10
 authentication pre-share
 encryption 3des
 hash sha
 group 2
 lifetime 86400
crypto isakmp nat-traversal  20
telnet 192.168.0.0 255.255.255.0 inside
telnet timeout 5
ssh 192.168.0.0 255.255.255.0 inside
ssh 0.0.0.0 0.0.0.0 outside
ssh timeout 10
ssh version 2
console timeout 0
dhcpd auto_config outside
!
dhcpd address 192.168.0.2-192.168.0.254 inside
!

!
class-map inspection_default
 match default-inspection-traffic
!
!
policy-map type inspect dns preset_dns_map
 parameters
  message-length maximum 4096
policy-map global_policy
 class inspection_default
  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 dns preset_dns_map
!
service-policy global_policy global
group-policy cary internal
group-policy cary attributes
 wins-server value 192.168.0.21
dns-server value 192.168.0.21
 dhcp-network-scope none
 vpn-tunnel-protocol IPSec
 split-tunnel-policy tunnelspecified
 split-tunnel-network-list value cary_splitTunnelAcl
 default-domain value carescape.local
username VPNUSER password 5qUPej1u.6QzYVk7 encrypted
username VPNUSER attributes
 vpn-group-policy cary
username ronm password AQmNlJ8IfZ3BS3dM encrypted
username ronm attributes
 vpn-group-policy cary
username roger password oXf2wl2NgDiyw6Hg encrypted
username roger attributes
 vpn-group-policy carescape
tunnel-group cary type ipsec-ra
tunnel-group cary general-attributes
 address-pool VPNPOOL
 default-group-policy carescape
tunnel-group cary ipsec-attributes
 pre-shared-key *
tunnel-group-map default-group cary
prompt hostname context
Cryptochecksum:91cc994f9cee922fb14fd53fe00f7aca
: end
Here is the sho ipconfig /all when connected successully to the vpn but I am still unable to receive dns entry or ping across the vpn tunnel, also the split tunnel is still not working. 
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Windows IP Configuration
 
        Host Name . . . . . . . . . . . . : gamer
        Primary Dns Suffix  . . . . . . . : afters.local
        Node Type . . . . . . . . . . . . : Hybrid
        IP Routing Enabled. . . . . . . . : No
        WINS Proxy Enabled. . . . . . . . : No
        DNS Suffix Search List. . . . . . : cary.local
                                            afters.local
 
Ethernet adapter Local Area Connection:
 
        Connection-specific DNS Suffix  . : afters.com
        Description . . . . . . . . . . . : NVIDIA nForce Networking Controller
        Physical Address. . . . . . . . . : 00-E0-4C-EB-CB-BE
        Dhcp Enabled. . . . . . . . . . . : Yes
        Autoconfiguration Enabled . . . . : Yes
        IP Address. . . . . . . . . . . . : 10.101.1.100
        Subnet Mask . . . . . . . . . . . : 255.255.255.0
        Default Gateway . . . . . . . . . : 10.101.1.1
        DHCP Server . . . . . . . . . . . : 10.101.1.21
        DNS Servers . . . . . . . . . . . : 10.101.1.21
        Primary WINS Server . . . . . . . : 10.101.1.21
        Lease Obtained. . . . . . . . . . : Thursday, July 03, 2008 7:46:01 PM
        Lease Expires . . . . . . . . . . : Friday, July 11, 2008 7:46:01 PM
 
Ethernet adapter Local Area Connection 3:
 
        Connection-specific DNS Suffix  . : cary.local
        Description . . . . . . . . . . . : Cisco Systems VPN Adapter
        Physical Address. . . . . . . . . : 00-05-9A-3C-78-00
        Dhcp Enabled. . . . . . . . . . . : No
        IP Address. . . . . . . . . . . . : 172.30.50.100
        Subnet Mask . . . . . . . . . . . : 255.255.255.0
        Default Gateway . . . . . . . . . : 172.30.50.1
        DNS Servers . . . . . . . . . . . : 192.168.0.21
        Primary WINS Server . . . . . . . : 192.168.0.21
 
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[+][-]07/04/08 11:54 AM, ID: 21934391Expert Comment

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[+][-]07/04/08 07:12 PM, ID: 21935542Accepted Solution

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About this solution

Zones: Cisco PIX Firewall, Virtual Private Networking (VPN), Windows Networking
Tags: cisco asa 5505, dns, cisco, vpn, 5505
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Solution Provided By: peterbliss
Participating Experts: 1
Solution Grade: A
 
[+][-]07/04/08 07:15 PM, ID: 21935548Author Comment

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