Hi Adil

You need the command when you don't want to put the VPN traffic into the 
outside access list.  Without the command you need to allow the remote end of 
the VPN access into your networks as well as down the VPN.

If it is a trusted site that the VPN is coming from then the command is fine. 
If the traffic is coming from a 3rd party and you only want to allow them 
access on say port 3389 then you need to use the no sysopt connection 
permit-vpn and then on the outside access list you would have permit tcp 
"remote host/network" "local host/network eq 3389  this would then only allow 
the rdp port.

HTH

Dave

From: [email protected] 
[mailto:[email protected]] On Behalf Of Adil Pasha
Sent: 22 September 2011 01:02
To: OSL Security
Subject: [OSL | CCIE_Security] Very Stupid Question?


When do I need this command, since my IPSec connection works without it?

sysopt connection permit-vpn

Best Regards.
______________________
Adil

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