Help with strange web server problem

Jerry Bell jbell at
Mon Feb 13 12:12:10 PST 2006

I didn't want to spam the link out, but it's  I will
gather the capture data from working and non working sessions and send it


> On Feb 13, 2006, at 7:58 AM, Jerry Bell wrote:
>> It's hit or miss, but the first time someone visits the web site,
>> they get
>> a "server not found" page.  On hitting refresh, they get the page - no
>> problems.  If I wait a while and try again, I get the same problem.
> Path MTU problem?
>> The problem appears to be something in the initial communication
>> with the
>> web server.  Using tcpdump, I can see that the PC connects to the web
>> server and sends the GET request, but the server closes the connection
>> abruptly.  Comparing that flow to a normal session, I see that
>> there are
>> some extra packets between the initial SYN and the sending of the GET
>> phrase that do not exist during a successful session.
> The details would help.  :-)  Or you could tell us what the server is
> so we could try hitting it ourselves...
> --
> -Chuck

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