[Shorewall-users] Need help with IPSEC, net view and shorewall

Tom Eastep teastep@shorewall.net
Fri, 5 Apr 2002 12:55:22 -0800 (Pacific Standard Time)


On Fri, 5 Apr 2002, Alois Schneider wrote:

> > You need UDP port 500 and protocols 51 and 51 open to this user's
> > system. After a period of inactivity, either end of a VPN tunnel can
> > suddenly become active; if iptables connection tracking has timed out
> > the connection and the remote end is the first to speak, you will see
> > problems like you describe.
>
> Where do I have to open UDP port 500 and protocols 51?
>

In the rules file.

-Tom
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Tom Eastep    \ Shorewall - iptables made easy
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