CentOS users,
I new to CentOS 7 and my problem is the following:
I am using my CentOS 7 system as a print server in a warehouse. Using cups for the print queue’s. Which I can print to the printers find from the CentOS 7 machine.

The hosting system is Sco Unix using lpd printing. This machine is in Illinois and the warehouse / CentOS 7 machine is in Arizona.

I have loaded “cups-lpd” using yum and it seems fine. I have also setup “/etc/xinetd.d/cups-lpd”

Following is a “netstat -tanp |grep -i listen”

tcp 0 0 0.0.0.0:22 0.0.0.0:*
LISTEN 1090/sshd tcp 0 0 0.0.0.0:631 0.0.0.0:*
LISTEN 1096/cupsd tcp 0 0 127.0.0.1:25 0.0.0.0:*
LISTEN 1671/master tcp6 0 0 :::515 :::*
LISTEN 1095/xinetd tcp6 0 0 :::22 :::*
LISTEN 1090/sshd tcp6 0 0 :::631 :::*
LISTEN 1096/cupsd tcp6 0 0 ::1:25 :::*
LISTEN 1671/master

I notice that “port 515” is only listening on tcp6 not tcp.

Question: could this be my problem? and how can I get “port 515” to be listened to on tcp?

my Sco Unix print queue “status” file says “waiting for gate to come up”.

I have had the local hardware person verify that the router is “port forwarding” port 515
to my CentOS 7 system.

Help in this matter would be greatly appreciated.

Thanks, Shawn