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8.8

Problems configuring IPsec VPN for Internet Access

Asked by cgsedm in Networking Hardware Firewalls, Virtual Private Networking (VPN), IPSec Security Protocol

Tags: Cisco, ASA, 5510

I have a Cisco ASA 5510 and I have setup remote VPN access via SSL and IPsec using the Cisco VPN software.  SSL access works fine, however I am having issues with the IPsec VPN setup.  

When I am connected I am unable to access any outside network (Internet) either local or through the tunnel.

Any help would be appreciated...
Thanks,
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hostname CGS-ASA5510
domain-name cgs.ca
enable password 8ytiSCeQZjXs9OAw encrypted
passwd 8ytiSCeQZjXs9OAw encrypted
names
name 208.x.x.x public description outside web access
!
interface Ethernet0/0
 description Outside
 nameif Outside
 security-level 0
 ip address public 255.255.255.248
!
interface Ethernet0/1
 description Inside
 nameif Inside
 security-level 100
 ip address 176.16.1.251 255.255.255.0
!
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 Management0/0
 shutdown
 nameif management
 security-level 100
 no ip address
 management-only
!
ftp mode passive
clock timezone MST -7
clock summer-time MDT recurring
dns domain-lookup Inside
dns server-group DefaultDNS
 name-server 176.16.1.2
 domain-name cgs.ca
object-group service DM_INLINE_TCP_1 tcp
 port-object eq ftp
 port-object eq www
 port-object eq pop3
 port-object eq smtp
access-list Inside_nat0_outbound extended permit ip any 192.168.77.0 255.255.255
.128
access-list global_mpc extended permit tcp any any object-group DM_INLINE_TCP_1
access-list Outside_access_in remark Interlal Web Server ACL
access-list Outside_access_in extended permit icmp any any echo-reply
access-list Outside_access_in extended permit tcp any host public eq www
access-list Outside_access_in extended permit tcp any host public eq smtp
pager lines 24
logging enable
logging asdm informational
mtu Outside 1500
mtu Inside 1500
mtu management 1500
ip local pool VPNPool 192.168.77.1-192.168.77.100 mask 255.255.255.0
icmp unreachable rate-limit 1 burst-size 1
asdm image disk0:/asdm-602.bin
no asdm history enable
arp timeout 14400
nat-control
global (Outside) 1 interface
nat (Inside) 0 access-list Inside_nat0_outbound
nat (Inside) 1 0.0.0.0 0.0.0.0
static (Inside,Outside) tcp interface www 176.16.1.2 www netmask 255.255.255.255
 
static (Inside,Outside) tcp interface smtp 176.16.1.3 smtp netmask 255.255.255.2
55
static (Inside,Outside) tcp 208.x.x.x https 176.16.1.3 https netmask 255.255
.255.255
access-group Outside_access_in in interface Outside
route Outside 0.0.0.0 0.0.0.0 208.x.x.x 1
route Inside 10.2.0.0 255.255.255.0 176.16.1.200 1
route Inside 10.10.10.0 255.255.255.0 176.16.1.200 1
route Inside 176.16.2.0 255.255.255.0 176.16.1.100 1
route Inside 176.16.4.0 255.255.255.0 176.16.1.100 1
route Inside 176.16.5.0 255.255.255.0 176.16.1.100 1
route Inside 176.16.6.0 255.255.255.0 176.16.1.100 1
route Inside 176.16.7.0 255.255.255.0 176.16.1.100 1
route Inside 176.16.8.0 255.255.255.0 176.16.1.200 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-server RSA protocol sdi
aaa-server RSA (Inside) host 176.16.1.2
aaa authentication telnet console LOCAL
http server enable
http 192.168.1.0 255.255.255.0 management
http 0.0.0.0 0.0.0.0 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 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 map Outside_map 65535 ipsec-isakmp dynamic SYSTEM_DEFAULT_CRYPTO_MAP
crypto map Outside_map interface Outside
crypto map Inside_map 65535 ipsec-isakmp dynamic SYSTEM_DEFAULT_CRYPTO_MAP
crypto map Inside_map interface Inside
crypto isakmp enable Outside
crypto isakmp enable Inside
crypto isakmp policy 10
 authentication pre-share
 encryption 3des
 hash sha
 group 2
 lifetime 86400
telnet 0.0.0.0 0.0.0.0 Inside
telnet timeout 60
ssh timeout 5
console timeout 0
threat-detection basic-threat
threat-detection statistics
ntp server 142.3.100.15 source Outside prefer
webvpn
 enable Outside
 enable Inside
group-policy DfltGrpPolicy attributes
 webvpn
  url-list value CGSBookmarks
group-policy CGSVPN internal
group-policy CGSVPN attributes
 dns-server value 176.16.1.2
 vpn-tunnel-protocol IPSec l2tp-ipsec svc
 default-domain value cgs.ca
username ASA-CGS password Ij8QQcxnWDnXgxHh encrypted privilege 15
username jefwri password 55xGsyPfuNM5hh4X encrypted privilege 15
tunnel-group DefaultWEBVPNGroup general-attributes
 authentication-server-group RSA
 authentication-server-group (Inside) RSA
tunnel-group CGSVPN type remote-access
tunnel-group CGSVPN general-attributes
 address-pool VPNPool
 authentication-server-group RSA
 default-group-policy CGSVPN
tunnel-group CGSVPN ipsec-attributes
 pre-shared-key *
!
class-map global-class
 match access-list global_mpc
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
 class global-class
  csc fail-close
!
service-policy global_policy global
prompt hostname context
Cryptochecksum:d32c9f871ada1277af71971c5654dc34
: end
[+][-]08/21/08 11:08 AM, ID: 22282484Accepted Solution

Your question has an Asker Certified™ answer! cgsedm verified that this solution worked for them--which means it will likely work for you, too. Click to view the solution free for 30-days now.

About this solution

Zones: Networking Hardware Firewalls, Virtual Private Networking (VPN), IPSec Security Protocol
Tags: Cisco, ASA, 5510
Sign Up Now!
Solution Provided By: clokendagger
Participating Experts: 1
Solution Grade: A
 
[+][-]08/13/08 09:52 PM, ID: 22227835Expert Comment

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[+][-]08/13/08 10:45 PM, ID: 22227977Expert Comment

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[+][-]08/21/08 11:13 AM, ID: 22282538Author Comment

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