[Winpcap-users] udp packet capture

Prasanna Kumar Nelam prasannakumar.n at imimobile.com
Sun Jun 14 23:31:32 PDT 2009

I have given host "" as capture filter, and at display I have
given ip.host=="", at wireshark( is our wap-gateway). I
browsed the http://wap.yahoo.com from Nokia Mobile browser, for first packet
in the response or request I got the udp packet header and wsp packet header
and data, for second packet onwords I got as Fragmented IP protocol, for
these packets the protocol field at IP header is UDP.

Thanks and Regds,
Prasanna Kumar.N,
Software Engineer,
R&D Networks,
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-----Original Message-----
From: winpcap-users-bounces at winpcap.org
[mailto:winpcap-users-bounces at winpcap.org] On Behalf Of Guy Harris
Sent: Monday, June 15, 2009 11:33 AM
To: winpcap-users at winpcap.org
Subject: Re: [Winpcap-users] udp packet capture

On Jun 14, 2009, at 10:21 PM, Prasanna Kumar Nelam wrote:

> I am trying to capture the WAP Http Packets, where the Transport  
> layer is UDP. I am getting UDP packet header for first packet in the  
> response, the remaining packets I am getting the UDP packets without  
> UDP header, directly I am getting the data.

UDP packets without a UDP header?  How are you capturing these packets?
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