PF/NAT UDP fragment problem

2003-03-07 Thread Pete Toscano
I hope somebody here can help me with a PF/NAT problem I'm having. I'm moving a machine of ours from OpenBSD 2.9 to 3.2. This was all working with IPF running on the 2.9 install. The machine in question (nat) is working as a front for a DNS(SEC) server. It takes UDP or TCP packets to port 53

Re: PF/NAT UDP fragment problem

2003-03-07 Thread Daniel Hartmeier
On Fri, Mar 07, 2003 at 11:45:16AM -0500, Pete Toscano wrote: Anybody have any ideas? Am I using scrub incorrectly? Should I be using scrub? Is there something else I'm doing wrong? Is there any other potentially useful information I forgot to give? Your ruleset looks fine, that's exactly

Re: PF/NAT UDP fragment problem

2003-03-07 Thread Daniel Hartmeier
On Fri, Mar 07, 2003 at 03:27:06PM -0500, Pete Toscano wrote: That's good to know. Would scrub in all work just as well as scrub in on {$ExtIf, $IntIf} all fragment reassemble? Yes, 'fragment reassemble' is the default, so both do the same thing (unless you have additional interfaces that you

Re: PF/NAT UDP fragment problem

2003-03-07 Thread Pete Toscano
On Fri, 07 Mar 2003, Daniel Hartmeier wrote: Your ruleset looks fine, that's exactly how it should work (rdr on external, nat on internal, scrub on both). That's good to know. Would scrub in all work just as well as scrub in on {$ExtIf, $IntIf} all fragment reassemble? It must be somehow