netstat -a will show you all open ports *including listening servers.*
Also try:
lsof -i |
On Sun, 8 Aug 1999, Matt Heatley wrote:
> Ok, I believe I've read everything available about configuring smtpd with
> qmail for selective relaying. Now, I can't seem to get anything to work :).
>
> The problem seems to be that *something* (though I can't figure out what) is
> listening on port 25. If I change to port 24 everything works fine. I need
> to figure out what is running but I just can't seem do it.. is there a
> command that lists port and process? netstat doesn't seem to do it.
>
> My inetd.conf file,the output of ps waux, and the qmail startup lines are
> included below...
>
> ANY help is greatly appreciated at this point.... The basic problem is that
> even when I don't start qmail I have *something* listening on port 25... if
> I use nmap (a portscanner) on my server it shows port 25 as "filtered"
>
> Any ideas? I'm about at the end of my rope.. thanks!!
>
> Matt
>
> ============================================================
> Error rec'd in Outlook mail client:
>
> Unable to connect to the Server:...
>
> (whether or not qmail-smtp is started)
>
> ============================================================
> qmail and qmail-smtpd are started via:
> QMAILDUID=`id -u qmaild`
> NOFILESGID=`id -g qmaild`
>
> supervise /var/supervise/qmail/send /var/qmail/rc |
> setuser qmaill cyclog /var/log/qmail &
>
> supervise /var/supervise/qmail/smtpd tcpserver -v -x/etc/tcp.smtp.cdb \
> -u$QMAILDUID -g$NOFILESGID 0 smtp \
> recordio /var/qmail/bin/qmail-smtpd 2>&1 | setuser qmaill accustamp
> | \
> setuser qmaill cyclog /var/log/qmail/smtpd &
> ============================================================
> My inetd.conf(with comments removed):
> # See "man 8 inetd" for more information.
> #
> time stream tcp nowait root internal
>
> time dgram udp wait root internal
>
> ftp stream tcp nowait root /usr/sbin/tcpd wu.ftpd -a
>
> telnet stream tcp nowait root /usr/sbin/tcpd in.telnetd
>
> shell stream tcp nowait root /usr/sbin/tcpd in.rshd -L
>
> login stream tcp nowait root /usr/sbin/tcpd in.rlogind
>
> talk dgram udp wait root /usr/sbin/tcpd in.talkd
>
> ntalk dgram udp wait root /usr/sbin/tcpd in.talkd
>
> imap stream tcp nowait cyrus /usr/cyrus/bin/imapd imapd
>
> finger stream tcp nowait nobody /usr/sbin/tcpd in.fingerd -w
>
> http-rman stream tcp nowait.10000 nobody /usr/sbin/tcpd
>/usr/sbin/http-rman
>
> rplay dgram udp wait root /usr/sbin/tcpd rplayd -t 30 -c 60 -s
> 16384 -F0 --inetd
>
> midinet stream tcp nowait root /usr/sbin/tcpd in.midinetd
> ============================================================
> My output of ps waux (if I don't start qmail):
> USER PID %CPU %MEM SIZE RSS TTY STAT START TIME COMMAND
> nobody 104 0.0 2.9 3460 1384 ? S 18:36 0:00
> /opt/apache/bin/httpd
> nobody 105 0.0 2.9 3460 1384 ? S 18:36 0:00
> /opt/apache/bin/httpd
> nobody 106 0.0 2.9 3460 1384 ? S 18:36 0:00
> /opt/apache/bin/httpd
> nobody 107 0.0 2.9 3460 1384 ? S 18:36 0:00
> /opt/apache/bin/httpd
> nobody 108 0.0 2.9 3460 1384 ? S 18:36 0:00
> /opt/apache/bin/httpd
> root 1 0.1 0.3 260 168 ? S 18:36 0:03 init [2]
> root 2 0.0 0.0 0 0 ? SW 18:36 0:00 (kflushd)
> root 3 0.0 0.0 0 0 ? SW 18:36 0:00 (kpiod)
> root 4 0.0 0.0 0 0 ? SW 18:36 0:00 (kswapd)
> root 5 0.0 0.0 0 0 ? SW 18:36 0:00 (md_thread)
> root 12 0.0 0.5 764 244 ? S 18:36 0:00 update (bdflush)
> root 74 0.0 1.1 948 552 ? S 18:36 0:00 /usr/sbin/syslogd
> root 78 0.0 1.5 1136 732 ? S 18:36 0:00
> /usr/sbin/klogd -c 1
> root 101 0.0 0.9 912 460 ? S 18:36 0:00 /usr/sbin/inetd
> root 102 0.0 2.9 3448 1400 ? S 18:36 0:00
> /opt/apache/bin/httpd
> root 137 0.0 1.7 1412 796 ? S 18:36 0:00 /usr/sbin/nmbd -D
> root 138 0.0 1.4 1376 684 ? S 18:36 0:00 /usr/sbin/nmbd -D
> root 139 0.0 1.6 1764 752 ? S 18:36 0:00 /usr/sbin/smbd -D
> root 146 0.0 1.5 1528 728 ? S 18:36 0:00 sh ./RUN_SYBASE
> root 147 0.0 14.6 15964 6840 ? S 18:36 0:01
> /opt/sybase/bin/dataserver -d/data/master.dat -sSYBASE -e/data/errorlog -i/o
> pt/sybase
> root 149 0.0 1.1 912 516 ? S 18:36 0:00 /usr/sbin/cron
> root 151 0.1 1.2 1224 584 ? S 18:36 0:03
> /usr/local/sbin/sshd
> root 152 0.0 0.7 768 340 1 S 18:36 0:00
> /sbin/mingetty --noclear tty1
> root 153 0.0 0.7 768 340 2 S 18:36 0:00 /sbin/mingetty
> tty2
> root 154 0.0 0.7 768 340 3 S 18:36 0:00 /sbin/mingetty
> tty3
> root 155 0.0 0.7 768 340 4 S 18:36 0:00 /sbin/mingetty
> tty4
> root 156 0.0 0.7 768 340 5 S 18:36 0:00 /sbin/mingetty
> tty5
> root 157 0.0 0.7 768 340 6 S 18:36 0:00 /sbin/mingetty
> tty6
> root 209 0.0 1.5 1272 704 ? S 19:09 0:00 in.telnetd
> root 210 0.1 2.6 1908 1264 p0 S 19:09 0:00 -bash
> root 255 0.0 1.1 948 532 p0 R 19:13 0:00 ps waux
>