When printing across different subnets, or configuring a personal firewall, certain ports need to be opened. For RAW and LPD/LPR printing, use the following:
- TCP 9100
- TCP 515
If printing from Microsoft Windows, the operating system will need SNMP access open as well, otherwise the printer detection procedure won’t work. Open the following port:
- UDP 161
Make sure that the SNMP access is read-only, or that it has a strong password if read-write is really needed.
Tags: firewall, lpd, lpr, printing, raw, snmp, subnet, tcp 515, tcp 9100, udp 161
This entry was posted
on Saturday, October 15th, 2011 at 11:32 am and is filed under General.
You can follow any responses to this entry through the RSS 2.0 feed.
You can leave a response, or trackback from your own site.
Leave a reply