Antony Stone wrote:

>On Friday 31 May 2002 6:23 am, Dick Ah wrote:
>
>  
>
>>Hi,
>>I have been examining the possibility of allowing some external hosts
>>(red-hat 6.2 with lpd)to print to some of our internal printers
>>(HP-JetDirect) through my firewall in company which firewall machine is
>>red-hat 7.2 using iptables . Anyone knows which ports need to be open??
>>    
>>
Depends on the printer / printing system

What about using cups on the firewall and ipp (port 631). Cups can then 
see the print queues on other machines or network printers.

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