Wireshark · Wireshark-dev: Re: [Wireshark-dev] small query on UDP protocol

[Jaap Keuter <jaap.keuter@xxxxxxxxx>]

Hi,

This is resolved from the services file. That port number is registered with 
IANA as:

iad1            1030/udp   BBN IAD

If you're curious, this is the BBN (Bolt, Beranek and Newman) Interface Access 
Device, which operates as a bridge/router between IP, X.25, asynch links, etc.

Nothing to worry about, Wirehshark does a best effort attempt to map port 
numbers to services (as was intended), but this becomes more and more error 
prone the higher the port numbers are.

Thanks,
Jaap


On 11/13/2010 02:21 PM, Rajesh Alluri wrote:
> Hello All,
>
> I developed a protocol on UDP layer with port number 1030.
> when I am dissecting the protocol with sample packet, in the UDP layer I
> am seeing source port : iad1 (1030), destination port : iad1 (1030)
> I am not sure why this iad1 is showing there, it should show either 1030
> or protocol name.
> Is it an issue with the preferences in my wireshark?
>
> Best regards,
> Rajesh