RE: Which port/number does VPN uses

From: Erick B. (erickbe@xxxxxxxxx)
Date: Tue Feb 13 2001 - 02:26:56 GMT-3

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Add also. All depends on what VPN means to you :)

UDP port 500 source & Dest
Protocol 47 for GRE (PPTP) tunnel

--- Chuck Larrieu <chuck@cl.cncdsl.com> wrote:
> Bookmark this one:
>
> http://www.iana.org/numbers.htm
>
> IPSec AH = IP protocol 51
> IPSec ESP = IP protocol 50
>
> IPSec is layer 3, not layer 4
>
> If you are using SSL, then you may be concerned with
> TCP/UDP ports 448
>
> There are also a number of TCP/UDP ports registered
> for vendor applications
> that use SSL

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