Re: kern.maxclusters vs syn proxy

2012-10-04 Thread Илья Шипицин
Great! 04.10.2012 16:52 ÐÏÌØÚÏ×ÁÔÅÌØ "Henning Brauer" ÎÁÐÉÓÁÌ: > * Tyler Morgan [2012-10-02 18:31]: > > which links to: http://www.openbsd.org/faq/pf/filter.html#synproxy > > which gets far from saying what Henning said. > > this has been fixed. > > -- > Henning Brauer, h...@bsws.de, henn...@ope

Re: kern.maxclusters vs syn proxy

2012-10-04 Thread Henning Brauer
* Tyler Morgan [2012-10-02 18:31]: > which links to: http://www.openbsd.org/faq/pf/filter.html#synproxy > which gets far from saying what Henning said. this has been fixed. -- Henning Brauer, h...@bsws.de, henn...@openbsd.org BS Web Services, http://bsws.de, Full-Service ISP Secure Hosting, Mai

Re: kern.maxclusters vs syn proxy

2012-10-02 Thread Ted Unangst
On Tue, Oct 02, 2012 at 09:30, Tyler Morgan wrote: > I would vote no based on: > > http://www.openbsd.org/faq/pf/example1.html > > "For an added bit of safety, we'll make use of the TCP SYN Proxy to > further protect the web server." > > which links to: http://www.openbsd.org/faq/pf/filter.html#

Re: kern.maxclusters vs syn proxy

2012-10-02 Thread Tyler Morgan
I would vote no based on: http://www.openbsd.org/faq/pf/example1.html "For an added bit of safety, we'll make use of the TCP SYN Proxy to further protect the web server." which links to: http://www.openbsd.org/faq/pf/filter.html#synproxy which gets far from saying what Henning said. On 10/2

Re: kern.maxclusters vs syn proxy

2012-10-02 Thread David Diggles
I think when a lot of newbies read the pf manual, they think oh... synproxy looks like it does good things, and without really understanding it, enable it by default? On Tue, Oct 02, 2012 at 02:33:11PM +0200, Henning Brauer wrote: > * David Diggles [2012-10-02 13:51]: > > but is this clear for ne

Re: kern.maxclusters vs syn proxy

2012-10-02 Thread Henning Brauer
* David Diggles [2012-10-02 13:51]: > but is this clear for newbies who read all the faqs? > On Tue, Oct 02, 2012 at 01:17:03PM +0200, Henning Brauer wrote: > > it once again comes down to "think before pushing random buttons". this basic principle SHOULD not need documentation :) quite serious

Re: kern.maxclusters vs syn proxy

2012-10-02 Thread Otto Moerbeek
On Tue, Oct 02, 2012 at 09:50:36PM +1000, David Diggles wrote: > but is this clear for newbies who read all the faqs? Well, it's not default. And almost often that is a sign the option is not desirable for a typical setup.OB -0tto > > On Tue, Oct 02, 2012 at 01:17:03PM +0200, Henning B

Re: kern.maxclusters vs syn proxy

2012-10-02 Thread David Diggles
but is this clear for newbies who read all the faqs? On Tue, Oct 02, 2012 at 01:17:03PM +0200, Henning Brauer wrote: > * ?? [2012-08-23 08:44]: > > 2012/8/23 Claudio Jeker > > > On Thu, Aug 23, 2012 at 12:17:04AM +0600, ??? wrote: > > > > why syn proxy is not enable

Re: kern.maxclusters vs syn proxy

2012-10-02 Thread Henning Brauer
* Илья Шипицин [2012-08-23 08:44]: > 2012/8/23 Claudio Jeker > > On Thu, Aug 23, 2012 at 12:17:04AM +0600, ??? wrote: > > > why syn proxy is not enabled by default ? > > Because it has bad side-effects. Like accepting a connection before the > > actual server accepted it. So it is hard t

Re: kern.maxclusters vs syn proxy

2012-08-22 Thread Илья Шипицин
2012/8/23 Claudio Jeker > On Thu, Aug 23, 2012 at 12:17:04AM +0600, ??? wrote: > > Hello! > > > > > > we are running high load https server on OpenBSD, so there are questions > on > > performance: > > > > since we already had to increase kern.maxclusters value, I guess default > > OpenBS

Re: kern.maxclusters vs syn proxy

2012-08-22 Thread Claudio Jeker
On Thu, Aug 23, 2012 at 12:17:04AM +0600, ??? wrote: > Hello! > > > we are running high load https server on OpenBSD, so there are questions on > performance: > > since we already had to increase kern.maxclusters value, I guess default > OpenBSD settings are not very well for high load

Re: kern.maxclusters vs syn proxy

2012-08-22 Thread Gonzalo L. R.
Can you describe 'high load' ? On Thu, Aug 23, 2012 at 12:17:04AM +0600, Илья Шипицин wrote: ; Hello! ; ; ; we are running high load https server on OpenBSD, so there are questions on ; performance: ; ; since we already had to increase kern.maxclusters value, I guess default ; OpenBSD settings

kern.maxclusters vs syn proxy

2012-08-22 Thread Илья Шипицин
Hello! we are running high load https server on OpenBSD, so there are questions on performance: since we already had to increase kern.maxclusters value, I guess default OpenBSD settings are not very well for high load https server ? in order to protect our server from denial of service, we can e