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09.30.2008 at 07:35AM PDT, ID: 23774745
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7.0

Limited access to local network for VPN users

Asked by ixarissysadmin in Virtual Private Networking (VPN), Network Software Firewalls, Network Security

Tags: , ,

I have set up a VPN tunnel for users to connect using the Cisco VPN Client v5.0
-Phase 1  authentication via certificates
-Phase 2 authentication with LDAP protocol (using Microsoft active directory).

Till there setup is successful.  The problem is that now users will have FULL access to the internal network and I don't want this.  

What I have tried to do is to create an access-list for the vpn users and applied it to the dynamic crypto map.  Once I issued this command the VPN failed to connect.  phase 1 and phase 2 complete successfully but immediately after the SA is destroyed and the connection drops.  I get the attached error.

command:
 crypto dynamic-map outside_dyn_map 50 match address vpn_client_access

where vpn_client_access is the name of the access-list

Any clues?
Is there another method to implement this?Start Free Trial 
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1635   14:56:07.248  09/25/08  Sev=Info/4       IKE/0x63000014
RECEIVING <<< ISAKMP OAK INFO *(HASH, NOTIFY:INVALID_ID_INFO) from 1.1.1.1
 
1636   14:56:07.248  09/25/08  Sev=Info/4       IKE/0x63000013
SENDING >>> ISAKMP OAK INFO *(HASH, DEL) to 1.1.1.1
 
1637   14:56:07.248  09/25/08  Sev=Info/4       IKE/0x63000049
Discarding IPsec SA negotiation, MsgID=C75EF835
 
1638   14:56:07.248  09/25/08  Sev=Info/4       IKE/0x63000017
Marking IKE SA for deletion  (I_Cookie=0A974FDFEE219F0E R_Cookie=81EFBD25A20F09F7) reason = DEL_REASON_IKE_NEG_FAILED
 
1639   14:56:07.248  09/25/08  Sev=Info/5       IKE/0x6300002F
Received ISAKMP packet: peer = 1.1.1.1
 
1640   14:56:07.248  09/25/08  Sev=Info/4       IKE/0x63000058
Received an ISAKMP message for a non-active SA, I_Cookie=0A974FDFEE219F0E R_Cookie=81EFBD25A20F09F7
 
1641   14:56:07.248  09/25/08  Sev=Info/4       IKE/0x63000014
RECEIVING <<< ISAKMP OAK INFO *(Dropped) from 1.1.1.1
 
1642   14:56:07.436  09/25/08  Sev=Info/4       IPSEC/0x63700014
Deleted all keys
 
1643   14:56:10.436  09/25/08  Sev=Info/4       IKE/0x6300004B
Discarding IKE SA negotiation (I_Cookie=0A974FDFEE219F0E R_Cookie=81EFBD25A20F09F7) reason = DEL_REASON_IKE_NEG_FAILED
 
1644   14:56:10.436  09/25/08  Sev=Info/4       CM/0x63100012
Phase 1 SA deleted before first Phase 2 SA is up cause by "DEL_REASON_IKE_NEG_FAILED".  0 Crypto Active IKE SA, 0 User Authenticated IKE SA in the system
[+][-]10.01.2008 at 01:41AM PDT, ID: 22612443

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[+][-]10.01.2008 at 02:07AM PDT, ID: 22612541

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[+][-]10.01.2008 at 03:02AM PDT, ID: 22612745

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[+][-]10.01.2008 at 03:17AM PDT, ID: 22612792

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[+][-]10.01.2008 at 04:40AM PDT, ID: 22613199

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[+][-]10.01.2008 at 04:51AM PDT, ID: 22613263

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[+][-]10.01.2008 at 06:19AM PDT, ID: 22613896

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[+][-]10.03.2008 at 01:25AM PDT, ID: 22632017

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About this solution

Zones: Virtual Private Networking (VPN), Network Software Firewalls, Network Security
Tags: Cisco, ASA 5510, Cisco VPN client v5, Version 8.0(3)
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Solution Provided By: ixarissysadmin
Participating Experts: 1
Solution Grade: A
 
 
 
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