Skip site navigation (1)Skip section navigation (2)
Date:      Fri, 21 Mar 2003 11:46:57 -0500
From:      "Dave [Hawk-Systems]" <dave@hawk-systems.com>
To:        <freebsd-questions@freebsd.org>, <hwg-servers@hwg.org>
Subject:   RE: apache exiting signal 11, high request period
Message-ID:  <DBEIKNMKGOBGNDHAAKGNOEJJKKAB.dave@hawk-systems.com>
In-Reply-To: <DBEIKNMKGOBGNDHAAKGNCENEKHAB.dave@hawk-systems.com>

next in thread | previous in thread | raw e-mail | index | archive | help
no takers on this?

>-----Original Message-----
<clip>
>Subject: apache exiting signal 11, high request period
>
>
>
>Following showed up in our morning security mailer
>Unusual System Events
>=-=-=-=-=-=-=-=-=-=-=
>Mar 19 06:01:00 web1 /kernel: pid 62342 (httpd), uid 65534: exited on signal 11
>Mar 19 06:01:00 web1 /kernel: pid 62343 (httpd), uid 65534: exited on signal 11
>Mar 19 06:01:00 web1 /kernel: pid 62344 (httpd), uid 65534: exited on signal 11
>Mar 19 06:01:01 web1 /kernel: pid 62345 (httpd), uid 65534: exited on signal 11
>...
>
>and doing a cat of the /var/log/httpd*.log
>[Wed Mar 19 06:31:00 2003] [notice] child pid 69197 exit signal Segmentation
>fault (11)
>[Wed Mar 19 06:31:00 2003] [notice] child pid 69196 exit signal Segmentation
>fault (11)
>[Wed Mar 19 06:31:00 2003] [notice] child pid 69195 exit signal Segmentation
>fault (11)
>[Wed Mar 19 06:31:00 2003] [notice] child pid 69194 exit signal Segmentation
>fault (11)
>...
>
>Looking at the input and output of the NIC for that period of time, there was a
>burst of access attempts between 5am-7am (same period covered by the above log
>anomalies)
>
>doing a cat of all the log files for virtual host directories showed
>the culprit
>(or suspected culprit at least)
>[Sun Feb 23 06:31:00 2003] [error] [client 208.10.47.119] user cobras
>not found:
>/members/members.htm
>[Sun Feb 23 06:31:00 2003] [error] [client 208.10.47.119] user loredana not
>found: /members/members.htm
>[Sun Feb 23 06:31:00 2003] [error] [client 208.10.47.119] user steve not found:
>/members/members.htm
>[Sun Feb 23 06:31:00 2003] [error] [client 208.10.47.119] user e not found:
>/members/members.htm
>[Sun Feb 23 06:31:00 2003] [error] [client 208.10.47.119] user horno not found:
>/members/members.htm
>...
>
>Now aside from the fact that this schmuck is trying to get in and won't given
>the password and userid scheme that this hosting client is using(and the method
>he is using to circumvent this), it does concern me that the httpd process is
>crashing.
>
>Is it just child processes?
>Is the cause likely the burst of traffic, and if so, is there a tweak to allow
>apache to weather a volume of requests more successfully?
>Or is there other mitigating factors that need to be investigated?
>
>Server Version: FreeBSD 4.3(with patches) Apache/1.3.19 (Unix) mod_ssl/2.8.2
>OpenSSL/0.9.6 PHP/4.2.2
>
>Appreciate any insight.
>
>Dave
>
>
>
>To Unsubscribe: send mail to majordomo@FreeBSD.org
>with "unsubscribe freebsd-questions" in the body of the message
>
>



To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-questions" in the body of the message




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?DBEIKNMKGOBGNDHAAKGNOEJJKKAB.dave>