Hi Burton,

I didn't see your reply to my message until just now when I was browsing
the archives - I guess it didn't get distributed to me as my
subscription to the list hadn't been processed. Anyway...

I tried shutting down ntop using the Admin interface, but tcpdump still
reports the same error. Any other ideas?

Cheers,
Mat

---------------------

It could be that the last buffer hasn't been written to disk or isn't
initialized to zeros and tcpdump is trying to read that garbage.

Causing a graceful shutdown of ntop will close the files.  That should
work...

-----Burton


> -----Original Message-----
> From: ntop-bounces at unipi.it [mailto:ntop-bounces at unipi.it]On
Behalf Of
> matthew.ford at bt.com
> Sent: Friday, August 27, 2004 5:00 AM
> To: ntop at Unipi.IT
> Subject: [Ntop] reading 'suspicious' and 'other' packets
>
>
> Hi,
>
> I'm trying to read the ntop-suspicious-pkts.dev[if].pcap and
> ntop-other-pkts.[if].pcap files using
>
>       tcpdump -r [filename]
>
> which is reporting 'tcpdump: pcap_loop: truncated dump file'.
>
> I've tried opening these files in ethereal as well, and that chokes
> with:
>
>       The capture file appears to be damaged or corrupt.
> (pcap: File has 203949056-byte packet, bigger than maximum of 65535)
>
> Anyone got any ideas/seen this before? Do I need to kill ntop before
> these files will be readable?
>
> Mat
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