[CentOS] Remote print problem -- LPD, IPP and other standard printer ports

Bryan J. Smith thebs413 at earthlink.net
Thu Dec 29 06:03:14 UTC 2005


On Wed, 2005-12-28 at 21:53 -0800, Todd Cary wrote:
> I have most ports closed on my router except the obvious (POP, SMTP,
> FTP, Interbase, SQL Server, MySQL and VNC).  Could I have a port
> closed that CUPS needs?  I have identical problems with Linux (RHE)
> and Mac Tiger.

Only the LPD server needs port 515 open, for IPP it's port 631.
LPD is clear text.  IPP can be clear text or SSL.
I don't think the Windows Server IPP implementation does SSL though.



-- 
Bryan J. Smith   mailto:b.j.smith at ieee.org
http://thebs413.blogspot.com
------------------------------------------
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