Re: Apache webserver outage - need help with forensics

From: Bob Brennan (rbrennan96_at_gmail.com)
Date: 04/14/05

  • Next message: Peter L. Hurd: "cannot browse .asp pages" 
    Date: Thu, 14 Apr 2005 15:57:18 +0100
To: For users of Fedora Core releases <fedora-list@redhat.com>

    > Bob Brennan wrote:
    > | I have a server which went completely unresponsive today on port 80
    > | for 20 minutes and would appreciate any pointers as to what might have
    > | happened.
    >
    > You don't say where or how the box is connected to the Internet... if
    > via a hosting / rackspace company then I think the first move would be a
    > polite email enquiring if they changed any of their routing,
    > firewalling, proxying, etc arrangements or settings at that time yesterday.

    Hi Andy - my connection is through a static IP leased from Demon,
    which is a major ISP in the UK. It is ADSL through a Thompson router,
    the default inbound server is set to my server's internal IP. At the
    server I use Firestarter with only HTTP, HTTPS, FTP, SMTP, and POP3
    ports open. The setup has been working for a few months like that.

    Curiously, and I can't believe this has anything to do with it, I had
    to put in a whitelist request that morning because my mailserver IP
    was being rejected as "residential". The whitelist change has not yet
    taken effect.

    Unfortunately at the time it was down I was away from the machine and
    could only test it from 3 separate outside locations, all of which
    showed mail and ftp working as normal and http just plain not there.
    Strange...

    bob 

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