[UCLA-LUG] INETD and POP3

thefonz thefonz@beer.com
Mon, 01 Nov 1999 00:41:21 -0800


Thanks for the suggestions,

113 and 110 were both already open.
I still cant get either working even with the new auth line.


Thanks again,
Ilan

----- Original Message -----
From: Drew <drewm@ucla.edu>
To: <linux@linux.ucla.edu>
Sent: Monday, November 01, 1999 12:10 AM
Subject: Re: [UCLA-LUG] INETD and POP3


> thefonz wrote:
> >
> > Hey,
> >
> > Im new to the list but I hang out in #lug (fonz) sometimes.  I was at
the
> > last installfest.  Just though I should introduce myself.  Anyway Ive
been
> > having some trouble with both identd and pop3.   I think the issues may
be
> > some what connected to each other in some way or another.
> >
> > Im running Red Hat 6.1 on a P60 w/16MB RAM and a 1.27 gig hd.  I use the
> > machine for IPMASQ and a firewall as well as a httpd, ftp, mail (if i
ever
> > get pop3 working) and dns server.
> >
> > 1) IDENTD
> >
> > For some reason IDENTD doesn't seem to work.  I have opened port 113 on
my
> > firewall but still nothing.
> > I think it may be starting up twice because of the errors im seeing in
the
> > /var/log/messages:
> > This error is constantly repeating.
> > Oct 31 21:16:46 potsie inetd[969]: auth/tcp: bind: Address already in
use
> >
> > the auth line in my INETD is:
> > auth stream tcp nowait root /usr/sbin/in.identd in.identd -e -o
>
> Go ahead and change the line to read
> auth stream tcp nowait root /usr/sbin/tcpd in.identd -i -o
> I noticed it being the same as mine.... strange that Redhat would come
> like that.... starting two in.identd processes...... also the -i flag
> tells it to run out of inetd, see if that works for you, I hope it does,
> I just did this out of my head, and never tested it...
>
> >
> > netstat doesn't so anything about identd as far as i can tell.
> >
> > 2) POP3
> >
> > I configured my sendmail server earlier today.  Everything works fine
except
> > for POP3.  Mail has been comming in and going out fine.  Only problem is
> > when I try to connect to the mail server using a client that supports
POP3
> > it wont connect to download mail.  It sends mail out no problem but it
> > refuses to download any mail.  Connection never goes through.  At first
I
> > thought it was a firewall issue but then I relelised on my internal
network
> > all connections are accepted so POP3 should work.  To make sure I added
an
> > ipchains rule that let connections on port 110 in.  Still no luck.  I
have
> > restarted INETD about a hundred times. Also the pop 3 line in INETD is:
> > pop-3   stream  tcp     nowait  root    /usr/sbin/tcpd ipop3d
> >
> > netstat -a shows this for pop-3:
> >
> > tcp        0      0 *:pop-3                 *:*
LISTEN
> >
> > telneting to port 110 doesn't work either connection never gets through.
I
> > have tried this by telneting to the localhost, telneting from another
> > computer on my network as well as remotely from computers on the
internet
>
> just make sure your firewall isn't blocking port 110, that's the pop3
> port, that's probably your problem... I believe....
>
> >
> > Thanks for your help,
> > Ilan
> >
> > PS here is my full netstat -a if it helps....
> >
> > Active Internet connections (servers and established)
> > Proto Recv-Q Send-Q Local Address           Foreign Address
State
> > tcp        0      0 potsie.house:telnet     192.168.1.20:1056
> > ESTABLISHED
> > tcp        0      0 *:linuxconf             *:*
LISTEN
> > tcp        0      0 *:finger                *:*
LISTEN
> > tcp        0      0 *:imap2                 *:*
LISTEN
> > tcp        0      0 *:pop-3                 *:*
LISTEN
> > tcp        0      0 *:login                 *:*
LISTEN
> > tcp        0      0 *:shell                 *:*
LISTEN
> > tcp        0      0 *:telnet                *:*
LISTEN
> > tcp        0      0 *:ftp                   *:*
LISTEN
> > tcp        0      0 *:netbios-ssn           *:*
LISTEN
> > tcp        0      0 *:www                   *:*
LISTEN
> > tcp        0      0 *:smtp                  *:*
LISTEN
> > tcp        0      0 potsie.pacbell.n:domain *:*
LISTEN
> > tcp        0      0 potsie.house:domain     *:*
LISTEN
> > tcp        0      0 localhost:domain        *:*
LISTEN
> > tcp        0      0 *:auth                  *:*
LISTEN
> > udp        0      0 potsie.hous:netbios-dgm *:*
> > udp        0      0 potsie.house:netbios-ns *:*
> > udp        0      0 *:netbios-dgm           *:*
> > udp        0      0 *:netbios-ns            *:*
> > Active UNIX domain sockets (servers and established)
> > Proto RefCnt Flags       Type       State         I-Node Path
> > unix  11     [ ]         DGRAM                    293    /dev/log
> > unix  0      [ ACC ]     STREAM     LISTENING     441    /var/run/ndc
> > unix  0      [ ACC ]     STREAM     LISTENING     541    /dev/gpmctl
> > unix  0      [ ACC ]     STREAM     LISTENING     574
> > /tmp/.font-unix/fs-1
> > unix  0      [ ]         DGRAM                    1412
> > unix  0      [ ]         DGRAM                    1245
> > unix  0      [ ]         DGRAM                    991
> > unix  0      [ ]         DGRAM                    968
> > unix  0      [ ]         DGRAM                    736
> > unix  0      [ ]         DGRAM                    579
> > unix  0      [ ]         DGRAM                    518
> > unix  0      [ ]         DGRAM                    439
> > unix  0      [ ]         DGRAM                    409
> > unix  0      [ ]         DGRAM                    333
> >
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