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08.29.2008 at 09:07AM PDT, ID: 23689289
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9.2

Cannot get ASA to use Radius for authentication

Asked by dallasgrp in Networking Hardware Firewalls, Virtual Private Networking (VPN), Encryption for Network Security

Tags: , , ,

I have a Cisco ASA 5505 and a Windows 2003 Small Business Server. I am trying to get the VPN client to use a VPN Group Name & VPN Group Password and a Radius Server to authenticate VPN connections. I set up the Radius server(Just Radius) using the instructions from this site: http://www.petenetlive.com/Tech/Firewalls/Cisco/c2svpnRADIUS.htm

The problem is that before I attempted to set up a pass through to the Radius server another Admin configured the ASA with specific users and ASA based authentication. I need to bypass this and get to the Radius server. The admin who did this was telling me that he is not getting a response from my Radius server so my goals are as follows:
A) Get VPN Authentication via Radius to work
B) Determine where the failures is. My server or the ASA config.
C) Clean up the CLI config to remove any garbage statements that junk up the config and add no value

Here is the Cisco CLI Config for my ASA:
XYZ# show run
: Saved
:
ASA Version 7.2(4)
!
hostname XYZ
domain-name XYZ.local
enable password p1O32JUaq0uvRFur encrypted
passwd pVO32JUaq0u2RFur encrypted
names
!
interface Vlan1
 nameif inside
 security-level 100
 ip address 10.0.0.1 255.255.255.0
!
interface Vlan2
 nameif outside
 security-level 0
 ip address 165.79.91.186 255.255.255.248
!
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
!
ftp mode passive
clock timezone EST -5
clock summer-time EDT recurring
dns server-group DefaultDNS
 domain-name coopercreek.local
access-list Radius_Server_XYZ_splitTunnelAcl standard permit 10.0.0.0 255.255.255.0
access-list nonat-inside extended permit ip 10.0.0.0 255.255.255.0 10.1.2.0 255.255.255.0
access-list nonat-inside extended permit ip 10.0.0.0 255.255.255.0 10.1.2.248 255.255.255.248
access-list outside_access_in extended permit icmp any host 165.79.91.186 time-exceeded
access-list outside_access_in extended permit icmp any host 165.79.91.186 echo
access-list outside_access_in extended permit icmp any host 165.79.91.186 echo-reply
access-list outside_access_in extended permit tcp host 165.79.91.188 host 10.0.0.2 eq smtp
access-list outside_access_in extended permit icmp any host 165.79.91.187 time-exceeded
access-list outside_access_in extended permit icmp any host 165.79.91.187 echo
access-list outside_access_in extended permit icmp any host 165.79.91.187 echo-reply
access-list outside_access_in extended permit icmp any host 165.79.91.188 time-exceeded
access-list outside_access_in extended permit icmp any host 165.79.91.188 echo
access-list outside_access_in extended permit icmp any host 165.79.91.188 echo-reply
access-list outside_access_in extended permit tcp 66.18.0.0 255.255.240.0 host 165.79.91.188 eq smtp
access-list outside_access_in extended permit tcp any any eq www
access-list vpn-acl extended permit ip 10.0.0.0 255.255.255.0 10.1.2.0 255.255.255.0
pager lines 24
logging enable
logging asdm informational
mtu inside 1500
mtu outside 1500
ip local pool vpn-users-pool 10.1.2.248-10.1.2.254 mask 255.255.255.0
icmp unreachable rate-limit 1 burst-size 1
asdm image disk0:/asdm-524.bin
no asdm history enable
arp timeout 14400
nat-control
global (outside) 1 165.79.91.187
nat (inside) 0 access-list nonat-inside
nat (inside) 1 0.0.0.0 0.0.0.0
static (inside,outside) 165.79.91.188 10.0.0.2 netmask 255.255.255.255
access-group outside_access_in in interface outside
route outside 0.0.0.0 0.0.0.0 165.79.91.185 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
aaa-server TACACS+ protocol tacacs+
aaa-server RADIUS protocol radius
aaa-server RADIUS (inside) host 10.0.0.1
 timeout 5
 key EXAMPLE
aaa-server partnerauth protocol radius
aaa-server partnerauth (inside) host 10.0.0.2
 key EXAMPLE
 authentication-port 1812
 accounting-port 1813
http server enable
http 10.0.0.0 255.0.0.0 inside
http 192.168.1.0 255.255.255.0 inside
no snmp-server location
no snmp-server contact
snmp-server enable traps snmp authentication linkup linkdown coldstart
crypto ipsec transform-set ESP-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 dynamic-map outside_dyn_map 40 set pfs group1
crypto dynamic-map outside_dyn_map 40 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 10.0.0.0 255.0.0.0 inside
telnet timeout 5
ssh 10.0.0.0 255.0.0.0 inside
ssh 0.0.0.0 0.0.0.0 outside
ssh timeout 5
console timeout 0
dhcpd auto_config outside
!

group-policy Radius_Server_XYZ internal
group-policy Radius_Server_XYZ attributes
 wins-server value 10.0.0.2 10.0.0.4
 dns-server value 10.0.0.2 10.0.0.4
 vpn-tunnel-protocol IPSec
 split-tunnel-policy tunnelspecified
 split-tunnel-network-list value Radius_Server_XYZ_splitTunnelAcl
 default-domain value XYZ.local
group-policy VPN-Users internal
group-policy VPN-Users attributes
 wins-server value 10.0.0.2 10.0.0.4
 dns-server value 10.0.0.2 10.0.0.4
 vpn-tunnel-protocol IPSec
 split-tunnel-policy tunnelspecified
 split-tunnel-network-list value Radius_Server_XYZ_splitTunnelAcl
 default-domain value cooper.local
username rs password LXUBrkEbkGi7YB7 encrypted
username rs attributes
 vpn-group-policy VPN-Users
username admin password flajEzRqt8.fqzM6 encrypted
username admin attributes
 vpn-group-policy VPN-Users
username vs password Urs2Ujvumejq9h8u encrypted
username vs attributes
 vpn-group-policy VPN-Users
username vpnuser1 password 8eRxecN7P4Z2GTwn encrypted
username vpnuser1 attributes
 vpn-group-policy VPN-Users
username ex password K4t3ux2E1liaCTgx encrypted
username ex attributes
 vpn-group-policy VPN-Users
tunnel-group VPN-Users type ipsec-ra
tunnel-group VPN-Users general-attributes
 address-pool vpn-users-pool
 authentication-server-group RADIUS LOCAL
 authorization-server-group RADIUS
 nac-authentication-server-group RADIUS
 authorization-required
tunnel-group VPN-Users ipsec-attributes
 pre-shared-key *
tunnel-group Radius_Server_XYZ type ipsec-ra
tunnel-group Radius_Server_XYZ general-attributes
 address-pool vpn-users-pool
 authentication-server-group RADIUS
 authorization-server-group RADIUS
 default-group-policy Radius_Server_XYZ
 authorization-required
tunnel-group Radius_Server_XYZ 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
!
service-policy global_policy global
prompt hostname context
Cryptochecksum:e712940c823s5dfafacac45166793a786
: end
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[+][-]08.29.2008 at 09:18AM PDT, ID: 22346978

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[+][-]08.29.2008 at 01:00PM PDT, ID: 22348784

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[+][-]08.30.2008 at 01:34AM PDT, ID: 22351090

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About this solution

Zones: Networking Hardware Firewalls, Virtual Private Networking (VPN), Encryption for Network Security
Tags: Cisco, ASA, 5505, VPN Clients & ASA
Sign Up Now!
Solution Provided By: PeteLong
Participating Experts: 1
Solution Grade: A
 
 
[+][-]10.16.2008 at 01:21AM PDT, ID: 22728855

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[+][-]10.16.2008 at 01:21AM PDT, ID: 22728856

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