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Posted to users@httpd.apache.org by Alex Karasulu <ao...@bellsouth.net> on 2005/09/27 04:11:10 UTC
[users@httpd] [httpd 1.3] 100% CPU utilization
Hello,
I have a very unusual problem running httpd 1.3.27 on Solaris 2.8. The
daemon is forking and consuming 80-95% of the CPU and meanwhile requests
are just hanging. Nothing seems to be making it into the logs. We're
totally perplexed about this one. Unfortunately these production
systems can't be upgraded to 2.0 due to 3rd party plugins that do not
support Apache httpd 2.0.
Have there been similar reportings about this kind of behavoir? Is
there something we can do to get more information regarding this problem?
Thanks in advance,
Alex
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Re: [users@httpd] [httpd 1.3] 100% CPU utilization
Posted by Alex Karasulu <ao...@bellsouth.net>.
William A. Rowe, Jr. wrote:
> Alex Karasulu wrote:
>
>> Hello,
>>
>> I have a very unusual problem running httpd 1.3.27 on Solaris 2.8.
>> The daemon is forking and consuming 80-95% of the CPU and meanwhile
>> requests are just hanging. Nothing seems to be making it into the
>> logs. We're totally perplexed about this one. Unfortunately these
>> production systems can't be upgraded to 2.0 due to 3rd party plugins
>> that do not support Apache httpd 2.0.
>
>
> It can be updated to 1.3.33 as there should be no binary breakage, and
> if this just started happening, it's indicitive of a DoS attack... there
> are a number of recently closed vulnerabilities.
>
Thanks we'll give that a try!
Alex
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Re: [users@httpd] [httpd 1.3] 100% CPU utilization
Posted by "William A. Rowe, Jr." <wr...@rowe-clan.net>.
Alex Karasulu wrote:
> Hello,
>
> I have a very unusual problem running httpd 1.3.27 on Solaris 2.8. The
> daemon is forking and consuming 80-95% of the CPU and meanwhile requests
> are just hanging. Nothing seems to be making it into the logs. We're
> totally perplexed about this one. Unfortunately these production
> systems can't be upgraded to 2.0 due to 3rd party plugins that do not
> support Apache httpd 2.0.
It can be updated to 1.3.33 as there should be no binary breakage, and
if this just started happening, it's indicitive of a DoS attack... there
are a number of recently closed vulnerabilities.
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