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Date: Fri, 09 Feb 2007 15:36:51 +0200
From: Eli Marmor <marmor@netmask.it>
Organization: Netmask (El-Mar) Internet Technologies
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To: dev@httpd.apache.org
Subject: Re: protocol module ?
References: <45C34684.7050403@turner.com> <20070208002026.234a0886@grimnir>
 <45CB23B8.506@bellsouth.net>
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Gregory Nicholls wrote:
> 
>   I've been looking at mod-ftpd and mod-pop3 with a view to writing a
> protocol module. What I haven't been able to work out from reading
> these, is how a particular protocol module 'registers' its interest in
> specific connections.
> eg. Assume there's 2 protocols being used and we have Listen 8080 http
> and Listen 1234 foo. I use ap_hook_process_connection to insert mod_foo
> into the chain. So far so good but I only want to process connections
> coming on port 1234. Neither mod-ftpd or mod-pop3 seem to have any code
> that examines the connection with a view to declining those they can't
> process. So I'm guessing that there's some mechanism for assigning
> protocols/ports to a specific module. I just don't know how to do it.
>        Can some kind soul point out what I've missed please ?
>           Thanks,
>              Gregory Nicholls

I don't know if it will help you, but Ryan Bloom dedicated a chapter
for that in his book ("Using Apache to Serve Different Protocols", pp.
383-401).

In addition, mod_ftpd and mod_pop3 are not the only non-httpd protocol
modules, and there are some else, such as mod_smtpd. I wish there was
a mod_named (or mod_dns or mod_bind, I don't care). One day, maybe I'll
write one...

-- 
Eli Marmor
Netmask (El-Mar) Internet Technologies Ltd.
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