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Ipsec VPN and PPTP VPN passthrough TMG

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All Forums >> [Threat Management Gateway (TMG) 2010] >> General >> Ipsec VPN and PPTP VPN passthrough TMG Page: [1]
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Ipsec VPN and PPTP VPN passthrough TMG - 9.Jul.2013 9:01:27 AM   
sipho

 

Posts: 22
Joined: 27.Feb.2007
Status: offline
Hi,

I have a TMG 2010 Standard SP2 RU3 installed, latest and greatest.
Everything was working 100%, I use PPTP VPN through my TMG Server to an external VPN server and this works.

I got a new work laptop and they require Cisco anyconnect VPN client, which would not connect through my TMG, even though I have a rule that allows all outbound traffic.

So after reading I created a bogus site to site VPN and then my cisco anyconnect VPN was working however my PPTP passthrough now dont' work...this was a bug with TMG that was supposed to be fixes with SP2RU3 but it didnt.

I would really appreciate it someone could advise me on how to get IPsec and PPTP passthrough a TMG Firewall, at the moment I plugged my ISA 2006 Server in as the allow outbound all protocols rule works properely and I dont have issues.

ITs amazing, I made a rule and listed it at the top, Allow outbound, all protocols in ISA 2006 and TMG 2010, ISA 2006 I have no issues and can connect both VPN, but TMG 2010 no the same......
Post #: 1
RE: Ipsec VPN and PPTP VPN passthrough TMG - 14.Jul.2013 2:18:35 PM   
spouseele

 

Posts: 12830
Joined: 1.Jun.2001
From: Belgium
Status: offline
You should check out http://www.isaserver.org/articles-tutorials/articles/IPSec_Passthrough.html

HTH,
Stefaan

(in reply to sipho)
Post #: 2
RE: Ipsec VPN and PPTP VPN passthrough TMG - 17.Jul.2013 7:48:45 AM   
sipho

 

Posts: 22
Joined: 27.Feb.2007
Status: offline
Hi,

This document refers to ISA 2000, I have resolved my problems by removing TMG 2010 and putting back my ISA 2006, one rule allow all Outbound and I have no problems. I have also found TMG 2010 provides really slow web browsing and have concluded that TMG 2010 is an unfinished product and will continue to be which is a bit of a shame.

Thanks

Sipho

(in reply to spouseele)
Post #: 3
RE: Ipsec VPN and PPTP VPN passthrough TMG - 29.Jul.2013 2:47:50 PM   
spouseele

 

Posts: 12830
Joined: 1.Jun.2001
From: Belgium
Status: offline
That article applies to all versions of ISA and TMG. It's even useful for any firewall because it outlines the mechanisme used for IPsec NAT Traversal.

I'm not familiar with the Cisco anyconnect VPN client. Are you sure it is an IPsec client or is it an SSL VPN client?

HTH,
Stefaan

(in reply to sipho)
Post #: 4

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