[CentOS] Do i have to open port 631 for LAN printing

Rodrigo Barbosa rodrigob at suespammers.org
Sat Mar 4 21:16:24 UTC 2006

Hash: SHA1

On Sat, Mar 04, 2006 at 08:14:37AM -0700, Craig White wrote:
> On Sat, 2006-03-04 at 09:51 -0500, lnthai2002 at aim.com wrote:
> > Hi,
> > I have a Samsung printer(ML-2010) connect to my centos 4.2 machine by 
> > usb. I want to share this printer with 3 windowsXP mchines in my LAN. 
> > Although i have install driver for the printer on all machines, use 
> > samba to share the printer, from the windows machine i still have an 
> > error"access denied, can not connect to printer" or something similar. 
> > In Security Level, i have checked "trusted device: eth0, sit0" , is 
> > port 631 automatically open? How do i know that my problem is not 
> > caused by the blocked port? Hope anyone can help
> ----
> windows doesn't use cups port

Actually, you are wrong.

Windows has been supporting IPP since (at least) Windows 2000.
I have a entire Windows network where all printing is done using
IPP (and thus port 631). Works like a charm.

But, if you are using SMB Printing, then you are correct, it
won't use port 631.

Windows actually supports various printing protocols, including
SMB, IPP, LPR, HP TCP/IP (JetDirect) along others.


- -- 
Rodrigo Barbosa <rodrigob at suespammers.org>
"Quid quid Latine dictum sit, altum viditur"
"Be excellent to each other ..." - Bill & Ted (Wyld Stallyns)

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