Re: [Pan-users] this seems to be fixed with XQuartz-2.7.2-beta4 (Re: Help request please: Latest Xquartz is causing some visual artifacts in Pan.)

[Duncan]

SciFi posted on Wed, 04 Apr 2012 14:10:34 +0000 as excerpted:

> The glitch with Giganews, tho, is still bothering us, as I've asked HM
> for some help privately.  Namely, I'd like to see the "hexdump -C" of
> the actual network packet(s) when we see this in the Pan error log:
> 
>> Thu Mar 15 17:26:53 2012 - Error reading from news.giganews.com:
>> Received corrupted data
> 
> Such glitches have been with GN ever since I first joined them many many
> years ago, and across several ISPs and news-reader apps etc., no matter
> if SSL is involved (even thru stunnel) or with just a plain straight
> connection.
> 
> This occurs very randomly, a few times or so, day and night.  It even
> occurs when I have Pan set off-line.  No other Usenet server/company
> seems to do this (e.g. AW and Gmane do not do this, AFAICS).
> 
> I'd like to get a handle on this glitch with GN and hopefully raise a
> proper support ticket with them.  But we probably need to see the "guts"
> of the related network packet(s).  It might be likely causing some other
> glitches with other F/OSS NNTP projects (such as the 'yencee' script
> I've mentioned in other earlier posts here or on pan-devel).

Sounds like you want something like wireshark or tcpdump.  I've not used 
either, but wireshark in particular is well known for its packet capture 
and analysis abilities.

-- 
Duncan - List replies preferred.   No HTML msgs.
"Every nonfree program has a lord, a master --
and if you use the program, he is your master."  Richard Stallman