[NTLUG:Discuss] Slow connection to pop3

Jay Urish j at yourlinuxguru.com
Mon Jul 29 16:11:47 CDT 2002


Have you already ruled out slow dns?


At 04:08 PM 7/29/2002 -0500, you wrote:
>Jay:
>
>I dont have a /var/log/mail/info file.
>
>Here is what I saw:
>
>When I try to connect to pop3, I get this message
>in /var/log/messages:
>Jul 29 15:59:16 www xinetd[975]: START: pop3 pid=23837 from=192.168.1.7
>
>Then, after about 10 seconds, I get these messages in
>/var/log/maillog:
>Jul 29 15:59:28 www ipop3d[23837]: pop3 service init from 204.130.252.206
>Jul 29 15:59:28 www ipop3d[23837]: Login user=brent host=host7.homexcorp.com
>[192.168.1.7] nmsgs=4/4
>Jul 29 15:59:29 www ipop3d[23837]: Logout user=brent
>host=host7.homexcorp.com [192.168.1.7] nmsgs=0 ndele=4
>
>There is definitely a delay between when xinetd gets the request and
>when the pop3 daemon is invoked.
>
>Any ideas what is going on?
>
>Thanks,
>         Neil.
>
>
>--
>Neil Aggarwal
>JAMM Consulting, Inc.    (972) 612-6056, http://www.JAMMConsulting.com
>Custom Internet Development    Websites, Ecommerce, Java, databases
>
>
> > -----Original Message-----
> > From: discuss-admin at ntlug.org [mailto:discuss-admin at ntlug.org]On Behalf
> > Of Jay Urish
> > Sent: Wednesday, July 17, 2002 9:13 AM
> > To: discuss at ntlug.org
> > Subject: RE: [NTLUG:Discuss] Slow connection to pop3
> >
> >
> > Neil,
> > Can you post a snippit of your /var/log/maillog or /var/log/mail/info file
> > that shows what the pop3 daemon is doing?
> >
> >
> >
> >
> >
> >
> >
> >
> >
> > At 08:44 AM 7/17/2002 -0500, you wrote:
> > >Bug:
> > >
> > >I did:
> > >
> > >ping host7.homexcorp.com
> > >
> > >It came back immediately with this result:
> > >PING host7.homexcorp.com (192.168.1.7) from 192.168.1.1 : 56(84) bytes of
> > >data.
> > >64 bytes from host7.homexcorp.com (192.168.1.7): icmp_seq=1 ttl=128
> > >time=0.557 ms
> > >[More lines deleted]
> > >
> > >But, the pop3 connections are still slow, so it does not seem like
> > >a DNS related issue, nor a connectivity issue.
> > >
> > >Any other ideas?
> > >
> > >Thanks,
> > >         Neil.
> > >
> > >--
> > >Neil Aggarwal
> > >JAMM Consulting, Inc.    (972) 612-6056, http://www.JAMMConsulting.com
> > >Custom Internet Development    Websites, Ecommerce, Java, databases
> > >
> > >
> > > > -----Original Message-----
> > > > From: discuss-admin at ntlug.org
> > [mailto:discuss-admin at ntlug.org]On Behalf
> > > > Of Bug Hunter
> > > > Sent: Wednesday, July 17, 2002 8:27 AM
> > > > To: discuss at ntlug.org
> > > > Subject: RE: [NTLUG:Discuss] Slow connection to pop3
> > > >
> > > >
> > > >
> > > >   nope.  Dig does a query straight to a dns server.
> > > >
> > > >   to see if /etc/hosts is working, try
> > > >
> > > > ping host4.homexcorp.com
> > > >
> > > >   if it comes back immediately with a ping to 129.168.1.4,
> > then hosts is
> > > > being used on that machine.
> > > >
> > > >   If it hangs for 30 seconds or so, then /etc/hosts is not being used.
> > > >
> > > >
> > > > On Tue, 16 Jul 2002, Neil Aggarwal wrote:
> > > >
> > > > > Bug:
> > > > >
> > > > > This is strange, I added this to my /etc/hosts file:
> > > > > 192.168.1.4 host4.homexcorp.com
> > > > >
> > > > > My /etc/host.conf looks like:
> > > > > order hosts,bind
> > > > > multi on
> > > > >
> > > > > I then started named by typing /etc/init.d/named start
> > > > >
> > > > > Then, I treid to do a reverse lookup using dig:
> > > > > dig @127.0.0.1 -x 192.168.1.4
> > > > >
> > > > > Here is what I got back:
> > > > > ; <<>> DiG 9.2.0 <<>> @127.0.0.1 -x 192.168.1.4
> > > > > ;; global options:  printcmd
> > > > > ;; Got answer:
> > > > > ;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 63996
> > > > > ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
> > > > >
> > > > > ;; QUESTION SECTION:
> > > > > ;4.1.168.192.in-addr.arpa.      IN      PTR
> > > > >
> > > > > ;; AUTHORITY SECTION:
> > > > > 168.192.in-addr.arpa.   10800   IN      SOA     prisoner.iana.org.
> > > > > hostmaster.root-servers.org. 2002040800 1800 900 604800 604800
> > > > >
> > > > > ;; Query time: 1061 msec
> > > > > ;; SERVER: 127.0.0.1#53(127.0.0.1)
> > > > > ;; WHEN: Tue Jul 16 20:09:33 2002
> > > > > ;; MSG SIZE  rcvd: 119
> > > > >
> > > > > There is no answer section.  I thought that the hosts file
> > > > should have been
> > > > > checked first and then I would get an answer.
> > > > >
> > > > > Any ideas?
> > > > >
> > > > > Thanks,
> > > > >     Neil.
> > > >
> > > >
> > > > _______________________________________________
> > > > http://www.ntlug.org/mailman/listinfo/discuss
> > >
> > >
> > >_______________________________________________
> > >http://www.ntlug.org/mailman/listinfo/discuss
> >
> >
> >
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>
>
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