I am using RHEL 5.0, and I am trying to connect to a NIS server and a CUPS server. Everytime I try to connect SElinux blocks the connection. I have turn the firewall off, and disabled SElinux, but I get the same thing. I do have network access, and I can print over the network to a Jet direct printer. Any Ideas?
Thanks

I had the same problem using RHEL5.

On the server, I turned off the selinux or set it to pemissive mode. You have to reboot if you turn off the selinux.

On the server & client, edit the /etc/sysconfig/network to include the following:

YPSERV_ARGS=" -p 890"
YPXFRD_ARGS=" -p 892"
YPPASSWDD_ARGS=" -p 891"

You can choose whatever ports but make sure they are not used(check /etc/services for unused ports).

On the server, I added the following line in /etc/sysconfig/iptables

-A RH-Firewall-1-INPUT -i eth0 -j ACCEPT

It is risky in a production environment but for testing it is okay.

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