This is what netstat -a should look like.... notice it shows the service that is on that port....
Active Internet connections (servers and established) Proto Recv-Q Send-Q Local Address Foreign Address State tcp 0 0 *:mysql *:* LISTEN tcp 0 0 *:pop3 *:* LISTEN tcp 0 0 *:imap *:* LISTEN tcp 0 0 *:http *:* LISTEN tcp 0 0 *:ftp *:* LISTEN tcp 0 0 *:ssh *:* LISTEN tcp 0 0 *:smtp *:* LISTEN tcp 0 0 *:https *:* LISTEN udp 0 0 www.cyberbytesbbs.c:ntp *:* udp 0 0 localhost.localdoma:ntp *:* udp 0 0 *:ntp *:* ----- Original Message ----- From: "Rob G" <[EMAIL PROTECTED]> To: "Vchkpw" <[EMAIL PROTECTED]> Sent: Thursday, February 27, 2003 12:01 PM Subject: Re: [vchkpw] starting vpop gives error > > Hmmm that is really interesting as I know that running qmail or even > sendmail should open up port 25 and that isn't even listed there: > > Here is my netstat > tcp 0 0 0.0.0.0:32768 0.0.0.0:* LISTEN > tcp 0 0 127.0.0.1:32769 0.0.0.0:* LISTEN > tcp 0 0 0.0.0.0:3306 0.0.0.0:* LISTEN > tcp 0 0 0.0.0.0:110 0.0.0.0:* LISTEN > tcp 0 0 0.0.0.0:111 0.0.0.0:* LISTEN > tcp 0 0 0.0.0.0:80 0.0.0.0:* LISTEN > tcp 0 0 0.0.0.0:10000 0.0.0.0:* LISTEN > tcp 0 0 0.0.0.0:6000 0.0.0.0:* LISTEN > tcp 0 0 0.0.0.0:21 0.0.0.0:* LISTEN > tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN > tcp 0 0 0.0.0.0:25 0.0.0.0:* LISTEN > > Showing all the open ports on my Redhat box. > > I would also add this to the end of your run script 2>&1, so it would look > like this > > #!/bin/sh > env - PATH="/var/qmail/bin:/usr/local/bin" \ > tcpserver -H -R 0 pop3 \ > /var/qmail/bin/qmail-popup mail.mnw.net \ > /home/vpopmail/bin/vchkpw /var/qmail/bin/qmail-pop3d Maildir 2>&1 > > Regards, > Rob G > [EMAIL PROTECTED] > > > > ----- Original Message ----- > From: "Kevin L Aleshire" <[EMAIL PROTECTED]> > To: "Vchkpw" <[EMAIL PROTECTED]> > Sent: Thursday, February 27, 2003 2:54 PM > Subject: RE: [vchkpw] starting vpop gives error > > > this is the response that i get from that command, it doesn't really list > anything specific > > [EMAIL PROTECTED] /etc/rc3.d# netstat -na | grep LISTEN > tcp 0 0 0.0.0.0:110 0.0.0.0:* LISTEN > tcp 0 0 216.31.98.16:22 0.0.0.0:* LISTEN > > is there any other way to find out what it is? > > > -----Original Message----- > > From: Rob G [mailto:[EMAIL PROTECTED] > > Sent: Thursday, February 27, 2003 1:48 PM > > To: Vchkpw > > Subject: Re: [vchkpw] starting vpop gives error > > > > > > Do a netstat -na | grep LISTEN and see if anything else is > > listening on port > > 110 as that is what is holding the address open. > > > > Regards, > > Rob G > > [EMAIL PROTECTED] > > ----- Original Message ----- > > From: "Kevin L Aleshire" <[EMAIL PROTECTED]> > > To: "Vchkpw" <[EMAIL PROTECTED]> > > Sent: Thursday, February 27, 2003 2:42 PM > > Subject: [vchkpw] starting vpop gives error > > > > > > when i try to run the vpop script i get this error message "tcpserver: > > fatal: unable to bind: address already used" > > > > below is the script that i'm using. > > > > #!/bin/sh > > env - PATH="/var/qmail/bin:/usr/local/bin" \ > > tcpserver -H -R 0 pop3 \ > > /var/qmail/bin/qmail-popup mail.mnw.net \ > > /home/vpopmail/bin/vchkpw /var/qmail/bin/qmail-pop3d Maildir & > > > > When i do a "netstat -a | grep pop" this is the response that i get back > > > > tcp 0 0 *:pop3 *:* LISTEN > > > > can someone help me find out when service is running this, or am > > i going at > > this problem that wrong way? > > > > Thanks in advance > > > > > > > > > > > > >