Wireshark-users: Re: [Wireshark-users] DSP Decode
From: Stephen Fisher <steve@xxxxxxxxxxxxxxxxxx>
Date: Wed, 23 Feb 2011 11:12:50 -0700
On Wed, Feb 23, 2011 at 05:35:14PM +0000, Burns, Kevin wrote:

> On the WShark Display filter reference it mentions a X.519 (DSP) 
> filter but I don't see a way to force a decode for this protocol.  Any 
> ideas ?

The dissector isn't setup to register itself by name for the "Decode 
As..." feature, but you can change the default port by going into 
Edit -> Preferences, Protocols -> OSI -> X.500 -> DSP.