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From Rob Hartill <>
Subject Re: WWW Form Bug Report: "Apache 1.1.1 SIGSEGV w/newer HTTP clients" on OSF/1
Date Tue, 22 Oct 1996 17:22:57 GMT wrote:
>Operating system: OSF/1, version: 
>Version of Apache Used: 1.1.1
>Extra Modules used: 
>URL exhibiting problem:
>My apologies for posting a second bug report on
>the same topic but I missed crucial information.
>The SIGSEGV bug appears _only_ with newer
>browsers.  For instance, it appears when Netscape
>3.0, Internet Explorer, or Lynx 2.6 is used but
>_not_ when older versions of the browsers are.
>Is it possible that the error is related to the
>parsing of the new HTTP headers covering the
>inclusion of the virtual host name for CGI 


I've passed your earlier mail to the developers list for consideration.
The newer browsers are sending "HOST" HTTP headers that trigger
virtual hosts that don't use their own IP addresses. The browser names
the server it is requesting in the HTTP headers. If you have
different IP addresses for each virtual host then it sounds like you've
misconfigured things such that Apache is defaulting to using "HOST".

What's causing the core dumps ?, the misconfiguration I suspect. Though
that's no excuse for Apache to dump core, so we'd like to find out why
and trap this if possible.


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