On 09/17/2015 11:52 PM, Shawn Parks - CMAC wrote:
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.
tcp6 is just TCP over IPv6.
I suspect your /etc/xinetd.d/cups-lpd has a setting specifying IPv6
rather than IPv4?
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