[Openswan Users] NAT-T Issue on 2.4.26 kernel

Wolfman BulletinCatcher at web.de
Tue Apr 27 14:56:35 CEST 2004

did you enabled nat-t in ipsec.conf?

in config setup add:

At 13:41 27.04.2004, you wrote:

>Hello all,
>I am new to the list, so please forgive me if I am asking something that
>may be already answered.
>I am actually compiling openswan-2.1.2rc3 on a Linux box using the
>source tree for 2.4.26 kernel. It works fine without the NAT-T
>functionality (I am working on a L2TP/IPsec gateway).
>When I started to look for the NAT-T feature in /var/log/secure I am
>finding this error:
>Apr 27 01:29:32 xxxxx pluto [PIDno]: NAT:Traversal: ESPINUDP(1) not
>supported by kernel -- NAT-T disabled
>Now: I am looking for more information about this (I didn't get this
>problem with 1.0.3 version) and I can't understand what's wrong. The
>kernel seems to be compiled correctly. I've tried both methods compiling
>using the "make menugo", by applying the kernel-patch file, and even
>using the "make nattpatch"... but result is still the same.
>Anybody have a suggestion?
>Thanks in advance,
>Users mailing list
>Users at lists.openswan.org

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