Sloppy States [WAS: Re: Anyone can't access bsdly.net like I did? (and some other sites)]

2008-09-16 Thread Insan Praja SW
on the other side. All my routers are openbsd 4.4-current, armed with BGPd and PF enabled. This may got something todo with stateful nature of PF, which I'm I think you might find PF's 'sloppy' states useful if the problem is only when using more than one upstream. C. Hi, I read man [5] pf.conf

Re: sloppy states and dsr

2008-07-01 Thread Theo de Raadt
* Ted Unangst [EMAIL PROTECTED] [2008-06-20 20:50]: One would only use sloppy state tracking on the load balancer, right? not necessarily only, but that would be the most common use I bet. In general, you use it when you cannot avoid it, as in, the other option is to not filter stateful at

Re: sloppy states and dsr

2008-06-30 Thread Henning Brauer
* Ted Unangst [EMAIL PROTECTED] [2008-06-20 20:50]: One would only use sloppy state tracking on the load balancer, right? not necessarily only, but that would be the most common use I bet. In general, you use it when you cannot avoid it, as in, the other option is to not filter stateful at all

sloppy states and dsr

2008-06-20 Thread Ted Unangst
One would only use sloppy state tracking on the load balancer, right? The firewall in front of everything still uses normal tracking?

Re: sloppy states and dsr

2008-06-20 Thread Pierre-Yves Ritschard
* Ted Unangst ([EMAIL PROTECTED]) wrote: One would only use sloppy state tracking on the load balancer, right? The firewall in front of everything still uses normal tracking? Yes, you use sloppy state only on the host(s) seeing half of the trafic.

Re: sloppy states and dsr

2008-06-20 Thread Darrin Chandler
On Fri, Jun 20, 2008 at 08:58:36PM +0200, Pierre-Yves Ritschard wrote: * Ted Unangst ([EMAIL PROTECTED]) wrote: One would only use sloppy state tracking on the load balancer, right? The firewall in front of everything still uses normal tracking? Yes, you use sloppy state only on the

Re: sloppy states and dsr

2008-06-20 Thread Ryan McBride
On Fri, Jun 20, 2008 at 12:49:43PM -0700, Darrin Chandler wrote: Yes, you use sloppy state only on the host(s) seeing half of the trafic. So to say it even more plainly... anywhere you are forced to deal with asymetric routing you can use sloppy state in place of not having any stateful

Re: sloppy states and dsr

2008-06-20 Thread Paul de Weerd
On Fri, Jun 20, 2008 at 02:47:18PM -0400, Ted Unangst wrote: | One would only use sloppy state tracking on the load balancer, right? | The firewall in front of everything still uses normal tracking? This is why the router should also be running pf/OpenBSD ;) Cheers, Paul 'WEiRD' de Weerd --

Re: sloppy states and dsr

2008-06-20 Thread Darrin Chandler
On Sat, Jun 21, 2008 at 09:12:22AM +0900, Ryan McBride wrote: On Fri, Jun 20, 2008 at 12:49:43PM -0700, Darrin Chandler wrote: Yes, you use sloppy state only on the host(s) seeing half of the trafic. So to say it even more plainly... anywhere you are forced to deal with asymetric

Sloppy states

2008-06-10 Thread STeve Andre'
handling is taking care about half connection closing now. can you guess how much reyk was prodding me for the sloppy states? :) I'm looking around and don't quite get sloppy states. Looking at the code isn't quite helping. Anything else I can read? --STeve Andre'

Re: Sloppy states

2008-06-10 Thread Sam Fourman Jr.
I'm looking around and don't quite get sloppy states. Looking at the code isn't quite helping. Anything else I can read? --STeve Andre' I also would like some insight on , 1:) exactly what is sloppy states meant to do 2:) what are some specific instances where we should use sloppy states 3

Re: Sloppy states

2008-06-10 Thread Henning Brauer
* Sam Fourman Jr. [EMAIL PROTECTED] [2008-06-11 04:41]: I also would like some insight on , 1:) exactly what is sloppy states meant to do 2:) what are some specific instances where we should use sloppy states that has just been explained. comes down to don't. 3:) what is a case where

Re: Sloppy states

2008-06-10 Thread Henning Brauer
the hack to modify the closing timeout because pf's sloppy state handling is taking care about half connection closing now. can you guess how much reyk was prodding me for the sloppy states? :) I'm looking around and don't quite get sloppy states. Looking at the code isn't quite helping

Re: Sloppy states

2008-06-10 Thread STeve Andre'
On Tuesday 10 June 2008 22:42:26 Henning Brauer wrote: [snip] I'm looking around and don't quite get sloppy states. Looking at the code isn't quite helping. Anything else I can read? like, pf.conf(5)? sloppy Uses a sloppy TCP connection tracker that does not check