As I remember it, there are a decent amount of differences between RHEL3 and RHEL4. I'd check your startup logs and such, see what is complaining. The printer spool directories should be checked as well. Are the printers direct attached or network printers served by the Linux machine? Thanks, Tom Callahan TESSCO Technologies (443)-506-6216 callahant@xxxxxxxxxx A real engineer only resorts to documentation when the keyboard dents on the forehead get too noticeable. Margaret_Doll wrote: > I just switched from RHEL3 to RHEL4 on one of my servers. The > configuration files were just moved from one system to the other. > > Macs and other unix computers used to be able to connect through port > 631 to cups to do their printing on the RHEL3 system. They no longer > can. > > I have selinux disable because I don't understand it completely and > did not want it interfering with printing. > I have 631 tcp and udp enabled in iptables. > > The Macs time out saying that port 631 is busy on the server. > > What do I need to open up? > -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list