courier-imap

[Christian Damm]

Odhiambo Washington schrieb:
> Hello Sysadmins,
> 
> Does anyone have any clues as to how I can easily limit access to my
> imapd daemon to just a few hosts?
> I am running courier-imap but looking at /etc/inetd.conf, I don't
> see how I could put it in there and hence use hosts.allow to control
> access. Google has not helped much, but again I may be searching using
> wrong keyword.

1.) you can use the courier-suites own tcp server (quite similar to the 
DJB tcp server), 'couriertcpd' - look into the manpage, it is able to do 
ip restrictions and much more.

2.) dont know if it is possible to compile courier imap aginst libwrap 
and use the tcp wrapper (hosts.allow).

3.) i would not start courier imap via inetd/xinetd - courier imap was 
developed to be a stanalone imap daemon running within the 
courier-suite/framework...sure, you could use tcp wrapper without probs 
when using inetd/xinetd but there are better solutions than using one of 
the "super servers" *urghh*.

4.) use the packet filter on your border router/gateway/firewall or 
firewall the host directly via ipfw/ipf/pf to restrict access.

> 
> 
> -Wash
> 
> http://www.netmeister.org/news/learn2quote.html
> 
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-- 

mfg.

christian damm
technische leitung
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