Re: httpd listening only on IPv6 interface on CentOS 7

[Steven Tardy <sjt5atra@xxxxxxxxx>]

On Thu, Dec 11, 2014 at 12:35 PM, Warren Young <wyml@xxxxxxxxxxx> wrote:

> We noticed this problem when web browsers would refuse to connect to the
> server.  *Then* we discovered the netstat oddity, and *then* we found that
> changing the Listen line in httpd.conf fixed it.
>
> That leaves me still wanting an explanation for what happened.
>

was the fix the config change or restarting of the service?
did netstat show client connections to port 80 in other
states(FIN_WAIT/etc)?
high load apache websites can often run out of connections due to the
limits in httpd.conf "<IfModule prefork.c>" section. these limits can be
increased if clients can no longer connect due to http child processes
being stuck in other tcp states.
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