Re: OpenBSD IPSec setup

2017-06-29 Thread Jasper Siepkes
I know I'm venturing of topic but I can't resist. I'll go for OpenBSD with IPSec any day. Only last week OpenVPN had a security fallout: https://community.openvpn.net/openvpn/wiki/VulnerabilitiesFixedInOpenVPN243 One of these exploits even has a high probability of being remotely exploitable.

Stack clash and OpenBSD

2017-06-20 Thread Jasper Siepkes
Hi all, I'm trying to determine which action I should take in response to the Stack Clash thing https://www.qualys.com/2017/06/19/stack-clash/stack-clash.txt . I suspect that "008: SECURITY FIX: May 19, 2017" (https://www.openbsd.org/errata61.html) is the mitigation for OpenBSD 6.1? On a

Re: Isakmpd vs iked

2017-02-18 Thread Jasper Siepkes
Disclaimer: I don't want to sound too negative, I really appreciate all the hard work that went in to OpenIKED but I've just made the reverse trip; OpenIKED (IKEv2) to isakmpd (IKEv1). We just couldn't get our connections stable with OpenIKED. We backported multiple patches from the master in

Re: Routes to downed interfaces

2016-11-01 Thread Jasper Siepkes
ith the help of 2 layer 2.5 switches in an MLAG in front of the OpenBSD gateways. Kind regards, Jasper > Op 31 oktober 2016 om 22:02 schreef Remi Locherer <remi.loche...@relo.ch>: > > On Sun, Oct 30, 2016 at 12:36:12PM +0100, Jasper Siepkes wrote: > > Hi all, > > > >

Routes to downed interfaces

2016-10-30 Thread Jasper Siepkes
Hi all, I've got a question about how OpenBSD deals with routes and interfaces that are considerd 'down'. I've noticed that when an interface in OpenBSD is down the route to that interface will remain in the routing table and is also not flagged with R(eject). The route stays exactly the same

Re: PF suddenly thinks traffic is not part of an established connection anymore?

2016-10-20 Thread Jasper Siepkes
beneficial to > defer transmission of the initial packet of a connection. The pfsync state > insert message is sent immediately; the packet is queued until either this > message is acknowledged by another system, or a timeout has expired. This > behaviour is enabled with the de

PF suddenly thinks traffic is not part of an established connection anymore?

2016-10-20 Thread Jasper Siepkes
Hi list! I've ran into a situation with PF which I don't quite understand. The situation is as follows; I have 2 OpenBSD firewalls connected to an upstream provider which forwards traffic to us via equal cost multi path routing (ECMP). The firewalls are connected via a crossover cable over wich

Re: CARP host with lower advskew not becoming master

2016-10-04 Thread Jasper Siepkes
Silly me... I forgot the 'net.inet.carp.preempt' sysctl variable. I thought it was only for forcing demotion of other CARP interfaces if a single one failed. But it's also for "claiming" the master spot. Sorry for the noise :-( > Op 4 oktober 2016 om 9:27 schreef Jasper

CARP host with lower advskew not becoming master

2016-10-04 Thread Jasper Siepkes
Hi list! I'm experimenting with CARP and I'm a bit puzzled by the following behavior; I have 2 hosts setup in an active/passive way with CARP. Host A has an advskew of 0 and becomes master, Host B has an advskew of 100 and becomes backup. Now when host A fails host B becomes master just like i

State of IPsec, iked (OpenIKED) and redundancy (CARP)

2016-09-28 Thread Jasper Siepkes
Hi everyone @ misc! I'm trying to determine what the state is of using iked (OpenIKED) with redundancy (with CARP). Should such a setup work in OpenBSD 6.0? The iked.conf (5) man page implies that using CARP for redundancy is a supported configuration: "This option is used for setups using