[vpn-help] vpn-client isakmp port usage

Alexis La Goutte alexis.lagoutte at gmail.com
Tue Sep 15 07:46:45 CDT 2015


Hi,

No, it is no possible to change actually source port..
And i don't think Cisco block if the source port is not 1023...

Regards,

On Sun, Aug 23, 2015 at 6:25 PM, tslbai <tslbai at agilolfinger.de> wrote:

> sorry, wrong subject in the last posting.
>
> Hello list,
>
> i installed shrew-soft vpn-client 2.2.2 on Windows10 Pro 32bit. I
> connect to a cisco ios-device.
>
> So far i used the Cisco VPN-Client 5.x.
>
> Cisco-VPN-Client uses for isakmp-communication gt1023/udp <-> 500/udp.
> Shrew-VPN-Client uses for isakmp-communication 500/udp <-> 500/udp.
>
> Is there a switch in the shrew-vpn-client for forcing the Cisco-like
> port-usage (gt1023/udp <-> 500/udp)?
>
> Thanks,
> Florian
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> vpn-help at lists.shrew.net
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