open port !!!
jludwig
wralphie at comcast.net
Tue Jan 24 01:21:59 UTC 2006
On Monday 23 January 2006 19:26, Gordon Messmer wrote:
> STYMA, ROBERT E (ROBERT) wrote:
> > There is a pseudo-exception to this rule. If you look at httpd
> > the httpd process, all field requests that are coming in on
> > port 80 (by default). The portmapper actually takes care of
> > distributing the work.
>
> 'portmap'? No it doesn't... Multiple httpd processes have the same
> port open because it was opened once, and then the process which had
> that file open forked or created multiple threads. Each child or thread
> will have the same files open.
If this is what you are asking??
I believe the limit of open ports for apache is 10, and yes, they can all be
port 80.
The configuration for apache allows for a limit on open ports.
>From /etc/httpd/config/httpd.conf;
# prefork MPM
# StartServers: number of server processes to start
# MinSpareServers: minimum number of server processes which are kept spare
# MaxSpareServers: maximum number of server processes which are kept spare
# ServerLimit: maximum value for MaxClients for the lifetime of the server
# MaxClients: maximum number of server processes allowed to start
# MaxRequestsPerChild: maximum number of requests a server process serves
<IfModule prefork.c>
StartServers 8
MinSpareServers 5
MaxSpareServers 20
ServerLimit 256
MaxClients 256
MaxRequestsPerChild 4000
</IfModule>
:
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