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9.0

Cisco ASA 5510 Configuration Issues

Asked by techflavor in Cisco PIX Firewall, Network Routers, Virtual Private Networking (VPN)

Tags: cisco, asa, 5510, asdm, vpn, dhcp, nat, acl, exemption

First off, I would like to start off with saying -- pardon my lack of expertise in Cisco.. Recently I've been slowly moving along but still get stuck and need to have my hand held with configuring it.

I am having troubles with the following:  1) outgoing connectivity from clients connected to the dmz & guest interfaces; 2) VPN with local LAN access

I currently have dmz/guest setup and all seems to be working just fine (DHCP giving addresses on guest, etc.) but am having difficulty connecting to the outside internet... the inside network seems to be connecting out just fine.

As far as VPN goes, I have configured Client IPSec VPN, Clientless SSL, and Client SSL VPN -- I am connecting using the VPN-CGY profile and the VPN-CGY-VPN address range.  Clientless SSL seems to be okay as I can RDP into internal servers on inside network.

The ASA is not acting as the primary DHCP, the Windows Server 2008 DC on the network is... The ASA is setup to use IP scope for VPN on the same subnet as the LAN.

I followed the guides for setting up VPN with Local LAN access but seem to be having issues.  I believe I haven't setup my NAT Exemption for the VPN addressing pool (10.1.1.140-10.1.1.170) correctly but am not sure.  I don't want to completely compromise security with split tunneling which is why I'm following the guide from http://www.cisco.com/en/US/products/ps6120/products_configuration_example09186a0080702992.shtml

The client shows that Local LAN access is enabled but I'm still unable to ping the internal network.  Sometimes I get ONE ping reply from a host on the network, but after that, nothing.  Not even a response from the router.

I'm sure my access-list's are screwed up but need the HELP! 
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Result of the command: "sh run"
 
: Saved
:
ASA Version 8.0(4) 
!
hostname RouterName
domain-name domainname.com
enable password rjYzxqUFpmwRhVLN encrypted
passwd rjYzxqUFpmwRhVLN encrypted
names
!
interface Ethernet0/0
 speed 10
 nameif outside
 security-level 0
 ip address 64.42.233.229 255.255.255.248 
 ospf cost 10
!
interface Ethernet0/1
 nameif inside
 security-level 100
 ip address 10.1.1.1 255.255.255.0 
 ospf cost 10
!
interface Ethernet0/2
 nameif guest
 security-level 100
 ip address 172.16.1.1 255.255.255.0 
!
interface Ethernet0/3
 nameif dmz
 security-level 50
 ip address 192.168.10.1 255.255.255.0 
!
interface Management0/0
 nameif management
 security-level 100
 ip address 192.168.1.1 255.255.255.0 
 ospf cost 10
 management-only
!
ftp mode passive
dns domain-lookup outside
dns domain-lookup inside
dns domain-lookup dmz
dns domain-lookup guest
dns domain-lookup management
dns server-group DefaultDNS
 name-server 208.67.222.222
 name-server 208.67.220.220
 domain-name domainname.com
same-security-traffic permit intra-interface
access-list dmz extended permit ip any any 
access-list dmz extended permit ip 192.168.10.0 255.255.255.0 64.42.233.0 255.255.255.0 
access-list guest extended permit ip 172.16.1.0 255.255.255.0 64.42.233.0 255.255.255.0 
access-list guest_nat0_outbound extended permit ip any 10.1.1.128 255.255.255.192 
access-list VPN-CGY-LocalAccess standard permit host 0.0.0.0 
access-list VPN-CGY-LocalAccess remark VPN Client Local LAN Access
access-list inside_nat0_outbound extended permit ip 10.1.1.0 255.255.255.0 10.1.1.0 255.255.255.0 
pager lines 24
logging enable
logging asdm informational
mtu outside 1500
mtu inside 1500
mtu dmz 1500
mtu guest 1500
mtu management 1500
ip local pool VPN-CGY-VPN 10.1.1.141-10.1.1.170 mask 255.255.255.0
ip local pool VPN-CGY-VPN2 10.1.2.140-10.1.2.170 mask 255.255.255.0
icmp unreachable rate-limit 1 burst-size 1
icmp permit any dmz
asdm image disk0:/asdm-613.bin
no asdm history enable
arp timeout 14400
global (outside) 1 interface
global (outside) 5 64.42.233.225
global (outside) 3 64.42.233.226
nat (inside) 0 access-list inside_nat0_outbound
nat (inside) 1 0.0.0.0 0.0.0.0
nat (dmz) 5 0.0.0.0 0.0.0.0
nat (guest) 0 access-list guest_nat0_outbound
nat (guest) 3 0.0.0.0 0.0.0.0
access-group dmz in interface dmz
access-group guest in interface guest
route outside 0.0.0.0 0.0.0.0 64.42.233.230 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 sip-provisional-media 0:02:00 uauth 0:05:00 absolute
dynamic-access-policy-record DfltAccessPolicy
aaa authentication ssh console LOCAL 
http server enable
http 192.168.1.0 255.255.255.0 management
http 10.1.1.0 255.255.255.0 inside
no snmp-server location
no snmp-server contact
snmp-server enable traps snmp authentication linkup linkdown coldstart
crypto ipsec transform-set ESP-AES-256-MD5 esp-aes-256 esp-md5-hmac 
crypto ipsec transform-set ESP-DES-SHA esp-des esp-sha-hmac 
crypto ipsec transform-set ESP-DES-MD5 esp-des esp-md5-hmac 
crypto ipsec transform-set ESP-AES-192-MD5 esp-aes-192 esp-md5-hmac 
crypto ipsec transform-set ESP-3DES-MD5 esp-3des esp-md5-hmac 
crypto ipsec transform-set ESP-AES-256-SHA esp-aes-256 esp-sha-hmac 
crypto ipsec transform-set ESP-AES-128-SHA esp-aes esp-sha-hmac 
crypto ipsec transform-set ESP-AES-192-SHA esp-aes-192 esp-sha-hmac 
crypto ipsec transform-set ESP-AES-128-MD5 esp-aes esp-md5-hmac 
crypto ipsec transform-set ESP-3DES-SHA esp-3des esp-sha-hmac 
crypto ipsec security-association lifetime seconds 28800
crypto ipsec security-association lifetime kilobytes 4608000
crypto dynamic-map SYSTEM_DEFAULT_CRYPTO_MAP 65535 set pfs 
crypto dynamic-map SYSTEM_DEFAULT_CRYPTO_MAP 65535 set transform-set ESP-AES-128-SHA ESP-AES-128-MD5 ESP-AES-192-SHA ESP-AES-192-MD5 ESP-AES-256-SHA ESP-AES-256-MD5 ESP-3DES-SHA ESP-3DES-MD5 ESP-DES-SHA ESP-DES-MD5
crypto dynamic-map SYSTEM_DEFAULT_CRYPTO_MAP 65535 set security-association lifetime seconds 28800
crypto dynamic-map SYSTEM_DEFAULT_CRYPTO_MAP 65535 set security-association lifetime kilobytes 4608000
crypto map outside_map 65535 ipsec-isakmp dynamic SYSTEM_DEFAULT_CRYPTO_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
no vpn-addr-assign aaa
no vpn-addr-assign dhcp
telnet 0.0.0.0 0.0.0.0 inside
telnet 0.0.0.0 0.0.0.0 management
telnet timeout 5
ssh 10.1.1.0 255.255.255.0 inside
ssh timeout 5
console timeout 0
dhcpd address 172.16.1.100-172.16.1.150 guest
dhcpd dns 208.67.222.222 208.67.220.220 interface guest
dhcpd lease 7200 interface guest
dhcpd enable guest
!
dhcpd address 192.168.1.2-192.168.1.254 management
dhcpd enable management
!
threat-detection basic-threat
threat-detection statistics host
threat-detection statistics port
threat-detection statistics protocol
threat-detection statistics access-list
no threat-detection statistics tcp-intercept
webvpn
 enable outside
 enable inside
 svc image disk0:/sslclient-win-1.1.4.179-anyconnect.pkg 1
 svc enable
 tunnel-group-list enable
group-policy test internal
group-policy test attributes
 dns-server value 208.67.222.222 208.67.220.220
 vpn-tunnel-protocol IPSec l2tp-ipsec svc webvpn
 split-tunnel-policy excludespecified
 split-tunnel-network-list value VPN-CGY-LocalAccess
group-policy VPN-CGY internal
group-policy VPN-CGY attributes
 vpn-tunnel-protocol IPSec l2tp-ipsec svc webvpn
 split-tunnel-policy excludespecified
 split-tunnel-network-list value VPN-CGY-LocalAccess
 webvpn
  url-list none
  svc keep-installer installed
  svc rekey time 30
  svc rekey method ssl
  svc ask enable default webvpn
group-policy DfltGrpPolicy attributes
 vpn-tunnel-protocol IPSec l2tp-ipsec svc webvpn
 webvpn
  svc ask enable default webvpn
username user1 password OL0cVv3O/TRiz2X. encrypted privilege 0
username user1 attributes
 vpn-group-policy VPN-CGY
username user2 password h56Vp8eDSaHr/tL. encrypted privilege 15
tunnel-group DefaultRAGroup general-attributes
 address-pool VPN-CGY-VPN
tunnel-group DefaultRAGroup webvpn-attributes
 group-alias Default disable
 group-alias DfltRA enable
 group-alias RA disable
tunnel-group DefaultRAGroup ipsec-attributes
 pre-shared-key *
tunnel-group DefaultWEBVPNGroup general-attributes
 address-pool VPN-CGY-VPN
tunnel-group DefaultWEBVPNGroup webvpn-attributes
 group-alias DfltWebVPN enable
tunnel-group DefaultWEBVPNGroup ipsec-attributes
 pre-shared-key *
tunnel-group VPN-CGY type remote-access
tunnel-group VPN-CGY general-attributes
 address-pool VPN-CGY-VPN
 default-group-policy VPN-CGY
tunnel-group VPN-CGY webvpn-attributes
 group-alias Calgary enable
tunnel-group VPN-CGY ipsec-attributes
 pre-shared-key *
tunnel-group test type remote-access
tunnel-group test general-attributes
 address-pool VPN-CGY-VPN2
 default-group-policy test
tunnel-group test webvpn-attributes
 group-alias test enable
tunnel-group test ipsec-attributes
 pre-shared-key *
!
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 rsh 
  inspect rtsp 
  inspect esmtp 
  inspect sqlnet 
  inspect skinny  
  inspect sunrpc 
  inspect xdmcp 
  inspect sip  
  inspect netbios 
  inspect tftp 
  inspect icmp 
!
service-policy global_policy global
prompt hostname context 
Cryptochecksum:b63a20ff1af70831722d46e4b67ff538
: end
 
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[+][-]09/02/09 02:46 AM, ID: 25239288Accepted Solution

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Zones: Cisco PIX Firewall, Network Routers, Virtual Private Networking (VPN)
Tags: cisco, asa, 5510, asdm, vpn, dhcp, nat, acl, exemption
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Solution Provided By: ikalmar
Participating Experts: 2
Solution Grade: A
 
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