Re: Firewall blocks printing for no(???) reason

On Saturday 08 November 2008 12:43 pm, Rolf Pedersen wrote:
> Mark Neidorff wrote:
> > Hi,
> >
> > (I hope someone is still listening here)
> >
> > I have a Netgear PS101 print server.  My printing system uses CUPS.  The
> > print server is on 192.168.1.200 and it is defined as a zone in GD.  I
> > have allowed IPP and LPD between the local zone and the print server.  My
> > log still shows this block when I try to print:
> >
> > Nov  8 10:03:29 neidorff kernel: DROPPED IN=eth1 OUT=
> > MAC=00:04:5a:4b:e5:8d:00:c0:02:a6:f0:97:08:00SRC=192.168.1.200
> > DST=192.168.1.1 LEN=44 TOS=0x00 PREC=0x00 TTL=30 ID=454 PROTO=TCP SPT=515
> > DPT=1022 SEQ=334118 ACK=663096096 WINDOW=1460 RES=0x00 ACK PSH SYN URGP=0
> > OPT (020405B4)
> >
> > When I (unplug the net and) turn off the firewall, the document prints. 
> > What simple thing am I missing?  If more information is needed, please
> > let me know, and I'll provide it.
> >
> > Thanks,
> >
> > Mark
>
> just guessing,
>
> SPT=515
>
>
> [rolf@localhost ~]$ grep 515 /etc/services
> printer         515/tcp         spooler         # line printer spooler
> printer         515/udp         spooler         # line printer spooler
>
> There is a 'line printer spooler' under 'Network' using 515.
>
>
> Rolf

Yes, those lines are in /etc/services.  Why are they causing me a problem?  

Is the solution to comment them out?  If so, I'd like to understand why.

Thanks,

Mark


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