Re: PF, bridge, states and window scaling problem

2007-11-13 Thread Erik Osterholm
On Tue, Nov 13, 2007 at 03:53:38PM +0200, Alupului Costin wrote: > On Nov 13, 2007 4:20 AM, Girish Venkatachalam > <[EMAIL PROTECTED]> wrote: > > On 22:08:03 Nov 12, Alupului Costin wrote: > > > > > > pass in quick on vlan0 from any to anIP/32 > > > pass out quick on vlan0 from anIP/32 to any keep

Re: PF, bridge, states and window scaling problem

2007-11-13 Thread Erik Osterholm
On Tue, Nov 13, 2007 at 07:25:23PM +0530, Girish Venkatachalam wrote: > On 18:57:34 Nov 13, Girish Venkatachalam wrote: > > I just read the post you linked. Thanks. :) > > I read the post once again and it looks as though I understood what is > mentioned there. > > The 'no-df' in scrub rule clear

Re: PF, bridge, states and window scaling problem

2007-11-13 Thread Girish Venkatachalam
On 15:53:38 Nov 13, Alupului Costin wrote: > When that client tries logging in to Yahoo Messenger I can see an > increase in the number of state-mismatch reported by pfctl -si. There > are states established, but after a while the packets simply do not > match the states created. Also they will n

Re: PF, bridge, states and window scaling problem

2007-11-13 Thread Alupului Costin
On Nov 13, 2007 2:30 PM, J65nko <[EMAIL PROTECTED]> wrote: > > On Nov 12, 2007 9:08 PM, Alupului Costin <[EMAIL PROTECTED]> wrote: > > Hello all, > > > > I seem to have quite a problem with PF. I have set up a bridge to > > shape my upstream traffic. I use ALTQ with hfsc discipline; but that's > >

Re: PF, bridge, states and window scaling problem

2007-11-13 Thread Girish Venkatachalam
On 18:57:34 Nov 13, Girish Venkatachalam wrote: > I just read the post you linked. Thanks. :) I read the post once again and it looks as though I understood what is mentioned there. The 'no-df' in scrub rule clears the Don't fragment bit in the IP header. When a host wrongly sends fragmented pack

Re: PF, bridge, states and window scaling problem

2007-11-13 Thread Alupului Costin
On Nov 13, 2007 4:20 AM, Girish Venkatachalam <[EMAIL PROTECTED]> wrote: > On 22:08:03 Nov 12, Alupului Costin wrote: > > I seem to have quite a problem with PF. I have set up a bridge to > > shape my upstream traffic. I use ALTQ with hfsc discipline; but that's > > not really important. My problem

Re: PF, bridge, states and window scaling problem

2007-11-13 Thread Girish Venkatachalam
On 23:42:20 Nov 12, Erik Osterholm wrote: > My understanding (and please correct me if I'm wrong) is that > keeping state requires fragmented packet reassembly, which can break > some applications. You mean that you cannot support "broken applications" if you do reassembly? Packet reassembly h

Re: PF, bridge, states and window scaling problem

2007-11-13 Thread J65nko
On Nov 12, 2007 9:08 PM, Alupului Costin <[EMAIL PROTECTED]> wrote: > Hello all, > > I seem to have quite a problem with PF. I have set up a bridge to > shape my upstream traffic. I use ALTQ with hfsc discipline; but that's > not really important. My problem comes with the filter rules. I have > to

Re: PF, bridge, states and window scaling problem

2007-11-12 Thread Erik Osterholm
On Tue, Nov 13, 2007 at 07:50:53AM +0530, Girish Venkatachalam wrote: > On 22:08:03 Nov 12, Alupului Costin wrote: > > I seem to have quite a problem with PF. I have set up a bridge to > > shape my upstream traffic. I use ALTQ with hfsc discipline; but that's > > not really important. My problem co

Re: PF, bridge, states and window scaling problem

2007-11-12 Thread Girish Venkatachalam
On 22:08:03 Nov 12, Alupului Costin wrote: > I seem to have quite a problem with PF. I have set up a bridge to > shape my upstream traffic. I use ALTQ with hfsc discipline; but that's > not really important. My problem comes with the filter rules. I have > to use keep state because of the speed ben