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03.21.2008 at 12:25PM PDT, ID: 23260439
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9.1

ASA5505 Deny TCP Across VPN

Asked by TheAeroGroup in Cisco PIX Firewall, Virtual Private Networking (VPN), Networking Hardware Firewalls

Tags: , ,

I am having trouble with a TCP connection being denied.  Here is my setup.  My main firewall is a Cisco ASA 5505 (192.168.1.1).  I also have another VPN concentrator device for some corporate VPN connectivity (Nortel Contivity) (192.168.1.253).  I can successfully AnyConnect VPN into my ASA5505 and use any local resources just fine.  My Clients are being assigned on the same subnet as my internal nework via DHCP (192.168.1.x).  I have a route for the 199.62.252.0 network to my Nortel Contivity VPN concentrator to let my ASA VPN clients access those VPN's across the nortel.  I have added the networks into the nat exclusion list and am able to ping the hosts across my AnyConnect VPN which then gets routed to the Nortel.  When I try to access a web page across the VPN i get Deny TCP (no Connection) errors.  I can see that the TCP connection is being built, but i am still getting the Deny Messages.  i have also attached my ASA configuration.

ASA Deny Messages
Built inbound TCP connection 23778 for outside:192.168.1.51/3473 (192.168.1.51/3473) to inside:199.62.252.243/80 (199.62.252.243/80) (vpnuser)
Deny TCP (no connection) from 199.62.252.243/80 to 192.168.1.51/3473 flags SYN ACK  on interface outside
Deny TCP (no connection) from 199.62.252.243/80 to 192.168.1.51/3473 flags SYN ACK  on interface outside
Deny TCP (no connection) from 199.62.252.243/80 to 192.168.1.51/3473 flags PSH ACK  on interface outside
Deny TCP (no connection) from 199.62.252.243/80 to 192.168.1.51/3473 flags PSH ACK  on interface outside
Deny TCP (no connection) from 199.62.252.243/80 to 192.168.1.51/3473 flags PSH ACK  on interface outside
Deny TCP (no connection) from 199.62.252.243/80 to 192.168.1.51/3473 flags PSH ACK  on interface outside
Deny TCP (no connection) from 199.62.252.243/80 to 192.168.1.51/3473 flags RST ACK  on interface outside
Deny TCP (no connection) from 199.62.252.243/80 to 192.168.1.51/3473 flags RST  on interface outside

Any help would be appreciated.

Thanks in advance.Start Free Trial
Attachments:
 
ASA-Config.txt (8 KB) (File Type Details) 
ASA Configuration
 
[+][-]03.21.2008 at 12:38PM PDT, ID: 21182523

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[+][-]03.21.2008 at 12:42PM PDT, ID: 21182556

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[+][-]03.21.2008 at 02:41PM PDT, ID: 21183418

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[+][-]03.21.2008 at 04:07PM PDT, ID: 21183849

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[+][-]03.21.2008 at 04:24PM PDT, ID: 21183920

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[+][-]03.21.2008 at 06:00PM PDT, ID: 21184297

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[+][-]03.23.2008 at 08:39PM PDT, ID: 21191820

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About this solution

Zones: Cisco PIX Firewall, Virtual Private Networking (VPN), Networking Hardware Firewalls
Tags: Csico, ASA, 5505
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Solution Provided By: batry_boy
Participating Experts: 2
Solution Grade: B
 
 
[+][-]03.25.2008 at 06:38PM PDT, ID: 21208089

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[+][-]03.25.2008 at 07:00PM PDT, ID: 21208268

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