On Mon, 2009-03-02 at 11:50 -0500, Roger Wells wrote: > JohnS wrote: > > On Mon, 2009-03-02 at 11:20 -0500, b.j. mcclure wrote: > > > >> I have been trying to set up printer sharing on the LAN.All machines are > >> CentOS 5.2 fully updated. The problem server is a fresh build. The box > >> it is replacing worked fine for many months. > >> The problem appears to be a closed port 631 on the new box. iptables > >> and ip6tables are stopped as shown by the output below. To confirm I > >> was using nmap correctly I ran it against the old server first which > >> shows 631 open. No matter what I do to the new box (192.168.2.205) 631 > >> remains closed. I was running it on the new box via ssh which I think > >> eleminates any swithc/router issues. > >> > >> Any thoughts gladly accepted. This must be something simple/stupid I > >> have overlooked. Not much hair left to pull out. ;-/ > >> > > > > Do you have the Cups Service running? service cups status and service > > hplip status. > > > > > I don't have an answer but I have to believe that your problem > is related to mine (thread: cups & hp-toolbox) > my machine: Linux rwells-rh 2.6.18-92.1.22.el5 #1 SMP Tue Dec 16 > 12:03:43 EST 2008 i686 i686 i386 GNU/Linux > [root at rwells-rh legacydp]# /sbin/service hplip status > hpiod (pid 6422) is running... > hpssd (pid 6427) is running... > > [root at rwells-rh legacydp]# /sbin/service cups status > cupsd (pid 6453) is running... > > 10.40.90.14 is my IP address > [roger at rwells-rh legacydp]$ nmap -sT -p 631 -PT 10.40.90.14 > > Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2009-03-02 11:34 EST > Interesting ports on rwells-rh (10.40.90.14): > PORT STATE SERVICE > 631/tcp closed ipp > > Interesting that when the local host address is used the port is open: > [root at rwells-rh legacydp]# nmap -sT -p 631 -PT 127.0.0.1 > > Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2009-03-02 11:47 EST > Interesting ports on localhost.localdomain (127.0.0.1): > PORT STATE SERVICE > 631/tcp open ipp > > Nmap finished: 1 IP address (1 host up) scanned in 0.017 seconds > > I hope that there are some clues here > > JohnStanley In my situation I ran nmap from the effected box via ssh, i.e., on the box in question and 631 was still closed. If it had been open locally but closed remotely I would have suspected a router/switch issue. CentOS 5.2, Linux 2.6.18-92.1.22.el5 x86_64 12:23:44 up 19:17, 2 users, load average: 0.04, 0.02, 0.00