Sake/GV,
I found the issue. Yesterday I un-installed Wireshark and WinPcap and rebooted. On the reboot, the system spit out an error that the virtual disk 1 was missing. Virtual Disk 1 is my data drive that I have been writing the captures to. This server is running on a Dell Poweredge 1950. The rest of my machines are HPs. I'm going to be replacing this machine with a HP as soon as one becomes available. The Dell gives no warning or indication that the drive is bad. I received a replacement drive this morning, reinstalled Wireshark and winpcap and I'm capturing and analyzing without issues so far.
Thanks for all of your help,
Joe
-----Original Message-----
From: Gianluca Varenni [mailto:gianluca.varenni@xxxxxxxxxxxx]
Sent: Tuesday, May 18, 2010 1:52 PM
To: Joseph Laibach; Community support list for Wireshark; Sake Blok
Subject: Re: [Wireshark-users] The capturefile appears to be damaged orcorrupt. (pcap: Fileshas 109736-byte packet, bigger than maximum of 65535)
The problem is that neither Sake nor I know why the trace is corrupted. From
the code it looks impossible that dumpcap generated such corrupted capture.
GV
--------------------------------------------------
From: "Joseph Laibach" <jlaibach@xxxxxxxxxxxxx>
Sent: Tuesday, May 18, 2010 5:56 AM
To: "Community support list for Wireshark" <wireshark-users@xxxxxxxxxxxxx>;
"Sake Blok" <sake@xxxxxxxxxx>; <gianluca.varenni@xxxxxxxxxxxx>
Subject: RE: [Wireshark-users] The capturefile appears to be damagedorcorrupt.(pcap: Fileshas 109736-byte packet, bigger than maximum of 65535)
> Sake/GV,
> I don't fully understand all of this. If I have it correct the
> packet being captured has the wrong packet length counter in its header or
> am I missing something else? Is this something that can be corrected or
> compensated for by capturing in a different way?
>
> Thanks for the help,
>
> Joe
>
> -----Original Message-----
> From: wireshark-users-bounces@xxxxxxxxxxxxx
> [mailto:wireshark-users-bounces@xxxxxxxxxxxxx] On Behalf Of Gianluca
> Varenni
> Sent: Monday, May 17, 2010 4:59 PM
> To: Sake Blok; Community support list for Wireshark
> Subject: Re: [Wireshark-users] The capturefile appears to be damaged or
> corrupt. (pcap: Fileshas 109736-byte packet, bigger than maximum of 65535)
>
>
>
> --------------------------------------------------
> From: "Sake Blok" <sake@xxxxxxxxxx>
> Sent: Monday, May 17, 2010 1:38 PM
> To: "Community support list for Wireshark" <wireshark-users@xxxxxxxxxxxxx>
> Cc: "Gianluca Varenni" <gianluca.varenni@xxxxxxxxxxxx>
> Subject: Re: [Wireshark-users] The capturefile appears to be
> damaged orcorrupt.(pcap: Fileshas 109736-byte packet, bigger than
> maximum of 65535)
>
>>
>> On 17 mei 2010, at 22:17, Gianluca Varenni wrote:
>>
>>>> the phdr struct is passed on from capture_loop_cb to
>>>> libpcap_write_packet unaltered. So in my understanding pcap_dispatch
>>>> must have supplied a wrong value of phdr->caplen for it to to faultly
>>>> written to file. However this contradicts with the fact that the whole
>>>> packet is indeed written after the header, because the following code
>>>> should have trimmed the data to phr->caplen:
>>>>
>>>> nwritten = fwrite(pd, 1, phdr->caplen, fp);
>>>
>>> This is what I was expecting. In the corrupted file, what the is value
>>> of
>>> the "len" field?
>>
>> The packet header is:
>> BE 47 F1 4B FF ED 0B 00 62 00 00 00 66 00 00 00
>>
>> ie incl_len is 98, while orig_len is 102
>
> Which is totally legal... I have no idea, apart from adding assertions in
> the dumpcap code, hoping to spot something weird.
>
> GV
>
>>
>> And the packet data is:
>> 01 00 5E 00 05 DD 00 12 DA 9F 79 1B 08 00
>> 45 00 00 58 00 00 40 00 18 11 7F A4 C6 8C 36 87 E0 00 05 DD
>> 7E 35 20 1D 00 44 9F 74
>> 00 3A 00 8C 00 0F DF 77 02 16 2C E4 6B 01 01 00 02 16 2C E2 00 00 00 00
>> 00
>> 05 30 20 00 00 00 07 00 05 2F 58 00 00 00 02 04 4E 45 52 43 41 48 00 00
>> 00
>> 00 00 00 00 00 00 00 00 00 00
>>
>> ie 14 bytes ethernet header, 20 bytes IP header, 8 bytes UDP header and
>> 60
>> bytes payload => 102 (0x66) bytes in total
>>
>> Cheers,
>> Sake
>>
>>
>>
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