[Winpcap-users] Winpcap-users Digest, Vol 47, Issue 19

[Bharath kumar]

Hello Harris,

           Thanks for your reply. I am using Ethernet network to capture the 
packets. The UDP Pcakets were sent over IPV4. The  fragement offset value is 
0, and Fragment flags= 2.

Thanks and Regards,
Bharath kumar.K


----- Original Message ----- 
From: <winpcap-users-request at winpcap.org>
To: <winpcap-users at winpcap.org>
Sent: Saturday, February 28, 2009 1:30 AM
Subject: Winpcap-users Digest, Vol 47, Issue 19


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> Today's Topics:
>
>   1. Re: Problem with SharpPCap (Bharath kumar)
>   2. Re: Problem with SharpPCap (Guy Harris)
>   3. Install problem (andrew.phillips at bt.com)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Fri, 27 Feb 2009 09:44:06 +0530
> From: "Bharath kumar" <bharath at lucidindia.com>
> Subject: Re: [Winpcap-users] Problem with SharpPCap
> To: <winpcap-users at winpcap.org>
> Message-ID: <6D0A3C3FD89646EEA1CFBBA569A8CB37 at LAP06>
> Content-Type: text/plain; charset="iso-8859-1"
>
>
> Hello Everybody,
>
>             This is Bharath. I had a problem in retrieving udp packets 
> using SharpPCap. Actaully the incoming packet size is 1636 bytes, but 
> after retrieving the packet using SharpPCap, i got only 1472 bytes only. 
> It seems this is the maximum size that SharpCap is able to receive, becuse 
> when i supposed to receive 3236byte packet also, i am receiving only 1472 
> bytes. But the strange thing which i observed is, the udplength is showing 
> as 3244, and UdpData is only 1472 bytes of size. Here is the code which i 
> used to retrieve the packet. I t will be greatful if someone helps me in 
> this regard.
>
> private void OnPacketArrived(object sender, Tamir.IPLib.Packets.Packet 
> packet)
>
> {
>
> if (packet is UDPPacket)
>
> {
>
> UDPPacket pack = packet as UDPPacket;
>
> if ((pack.DestinationPort == xxxxx))
>
> {
>
> byte[] data = pack.Data;
>
> }
>
> }
>
> }
>
>
>
> Thanks and Regards,
>
> Bharath kumar.K
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> ------------------------------
>
> Message: 2
> Date: Fri, 27 Feb 2009 00:28:34 -0800
> From: Guy Harris <guy at alum.mit.edu>
> Subject: Re: [Winpcap-users] Problem with SharpPCap
> To: winpcap-users at winpcap.org
> Message-ID: <2126A594-5AD2-41D2-B050-BCD66A147E08 at alum.mit.edu>
> Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes
>
>
> On Feb 26, 2009, at 8:14 PM, Bharath kumar wrote:
>
>>              This is Bharath. I had a problem in retrieving udp
>> packets using SharpPCap. Actaully the incoming packet size is 1636
>> bytes, but after retrieving the packet using SharpPCap, i got only
>> 1472 bytes only. It seems this is the maximum size that SharpCap is
>> able to receive, becuse when i supposed to receive 3236byte packet
>> also, i am receiving only 1472 bytes. But the strange thing which i
>> observed is, the udplength is showing as 3244, and UdpData is only
>> 1472 bytes of size. Here is the code which i used to retrieve the
>> packet.
>
> On what type of network (Ethernet, 802.11, etc.) are you capturing
> these packets?
>
> Is the UDP packet sent over IPv4 or IPv6?
>
> If it's IPv4, what are the values of the "More Fragments" bit, and the
> fragment offset, in the IPv4 header?
>
> If it's IPv6, is there a Fragment Header following the IPv6 header,
> and, if so, what are the values of the M bit and the fragment offset
> in the Fragment Header?
>
>
> ------------------------------
>
> Message: 3
> Date: Fri, 27 Feb 2009 11:54:56 -0000
> From: <andrew.phillips at bt.com>
> Subject: [Winpcap-users] Install problem
> To: <winpcap-users at winpcap.org>
> Message-ID:
> <9C683DBBE3005647817AFC19C6A410C30AD2EE30 at E03MVZ2-UKDY.domain1.systemhost.net>
>
> Content-Type: text/plain; charset="us-ascii"
>
> I have a strange install problem.
> I have winpcap_4_0_2.exe installed successfully on several machines.
> However, when I try to install it on one server running Win2003 server,
> the installer opens a window, but the window stays grey then disappears.
> Nothing else happens, until you log off and log back on again, then it
> tells you that winpcap has encountered a problem and has exited?? Server
> is a Dell2950 with Broadcom BCM5708C netXtremeII network card. I have
> this installed fine on a Dell 2850.
> Any ideas?
>
>
> ------------------------------
>
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> End of Winpcap-users Digest, Vol 47, Issue 19
> *********************************************