[TriLUG] xinted and pop - how do they work together?

Jon Carnes jonc at nc.rr.com
Thu Sep 4 11:44:41 EDT 2003


If xinetd is running then it should be working, still your system sounds
like it took a real hit...

Try connecting to it manually and see what happens:
  telnet localhost 110

Good Luck (and check those local firewall rules - especially if you
changed your IP!)

Jon Carnes

On Thu, 2003-09-04 at 11:18, Christopher L Merrill wrote:
> I've got a basic RH9 installation - on which I used the default Postfix
> installation.  Then upgraded to a newer version of Postfix.  Everything
> appeared to be working fine.
> 
> <background>
> When I came back from a trip on Monday night, it became apparent that
> we had lost power at the house long enough to exceed the capacity of
> my UPS...and the server had restarted (according to the log).  Some
> interaction between the cable modem and my firewall had resulted in no
> internet connection - which (I assume) resulted in Apache and Postfix
> not starting up at reboot.  After resetting the cable modem and removing
> the firewall (which appears to be fried), I restarted the network
> interface, as well as Apache and Postfix, manually.
> </background>
> 
> Everything seems to be working fine _except_ my POP mail access.  I'm
> guessing that a controlled shutdown and reboot will fix the problem, but
> in my quest to actually _understand_ linux (at least a little), I'd like
> to understand why it isn't working.  From what little I have learned, the
> POP software is started via xinetd whenever a client connects - as opposed
> to Apache and Postfix, which are running all the time (as a service).  Is
> this correct?
> 
> If so, it seems that as long as xinetd is running (which I have manually
> restarted, as well), then the POP handler should be invoked whenever an
> incoming connection is serviced.  Instead, I get a "connection refused"
> message in Mozilla.  The /var/log/maillog shows nothing.
> 
> The POP3 config in xinetd is as follows:
> > # default: off
> > # description: The POP3 service allows remote users to access their mail \
> > #              using an POP3 client such as Netscape Communicator, mutt, \
> > #              or fetchmail.
> > service pop3
> > {
> >         disable = no
> >         socket_type             = stream
> >         wait                    = no
> >         user                    = root
> >         server                  = /usr/sbin/ipop3d
> >         log_on_success  += HOST DURATION
> >         log_on_failure  += HOST
> > }
> 
> 
> TIA,
> Chris
> 
> p.s.
> I'm not really sure which POP package I'm even using...I used the UW
> package on another machine when I installed postfix manually, but since
> it worked out of the box with RH9, I never looked.  "RPM -qa | grep pop"
> resulted only in 'popt', which is not a POP mail package.
> 
> 
> -- 
> -------------------------------------------------------------------------
> Chris Merrill                      |  http://webperformanceinc.com
> Web Performance Inc.               |  http://webperformancemonitoring.net
> 
> Website Load Testing, Stress Testing, and Performance Monitoring Software
> -------------------------------------------------------------------------




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