On Thu, 5 Jun 2008 21:07:49 -0400
Schiz0 [EMAIL PROTECTED] wrote:
Hey,
I have pf running as the firewall on a web and IRC box. I'd like to
setup a bit of prioritization. I want ssh to be a higher priority than
any other traffic. I've read up on Class Based Queuing and Priority
Queuing. If I understand it correctly, priority queuing will transfer
ALL packets with higher priority before ANY of the lower-priority
packets. So if I'm transferring a file via SCP, all other traffic will
stop until the transfer is complete? I don't want other traffic to
stop completely, I just want ssh to have a higher priority. Should I
use class-based then?
Possibly, but from what you have said I think you can get away with
priority queueing using TOS. ALTQ allows you to specify two queues per
rule. The first is for normal traffic, and the second is for empty acks
and packets with a low-delay TOS. If you specify the same two
queues for all TCP traffic then you should get prioritization for
interactive SSH, but not SCP. Take a look at pf.conf(5) for examples.
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