Re: Diverting packets like IPFW DIVERT

2004-07-01 Thread Marcelo de Souza
# Look through the archives. You can either use a tun0 device like # fragraoute or block+log the packets in PF and use bpf to read them off # of the pflog0 interface. # # .mike What's the deal behind this tun0 / fragroute? Sorry, I couldn't understand. Well... certainly I could do something wit

Re: Synproxy broken on latest snapshots?

2004-07-01 Thread Kevin
Patch fixed it. Now another question, before patch synproxy worked, kinda, with a bridge. It would take 3-5 seconds to open the session, but it was blocking a synflood with 20% CPU used by interrupts (P3 1Ghz). It only "worked" with a bridge though. States were limited to 250,000 and it would u

Re: Diverting packets like IPFW DIVERT

2004-07-01 Thread Damien Miller
Marcelo de Souza wrote: > Hello all, > > I'm planning to implement some kind of network IPS (a preemptive network IDS) > and, after some days of research, I've discovered that there are already good > solutions for this. > > The biggest example is using snort-inline in Linux (using iptables QUEU

Diverting packets like IPFW DIVERT

2004-07-01 Thread Marcelo de Souza
Hello all, I'm planning to implement some kind of network IPS (a preemptive network IDS) and, after some days of research, I've discovered that there are already good solutions for this. The biggest example is using snort-inline in Linux (using iptables QUEUE) or FreeBSD (with ipfw divert - exce

Re: Synproxy broken on latest snapshots?

2004-07-01 Thread Daniel Hartmeier
On Wed, Jun 30, 2004 at 04:47:00PM -0500, Kevin wrote: > Unable to get synproxy working using snapshot dated June 28, > previously was using one from about 2 weeks ago which also did not > work. Can you try the patch in http://www.benzedrine.cx/pf/msg04725.html and tell me whether it affects/

Gigabit firewall

2004-07-01 Thread Petr Ruzicka
Hi, considering new MP support in OpenBSD, does it somehow help for high-speed firewalling ? Thanks Petr R.