Re: CARP cluster: howto keep pf.conf in sync?

2014-07-31 Thread Zach Leslie
On Tue, Jul 29, 2014 at 02:41:36PM +0100, Andy wrote: > Puppet is definatly a sledge hammer approach, but if you have lots of > firewalls its great. Not to mention, you can use it for your other non-firewall systems as well. > Another nice example of an appropriate application is that by using >

Re: CARP cluster: howto keep pf.conf in sync?

2014-07-31 Thread Zach Leslie
On Thu, Jul 31, 2014 at 05:54:48PM -0300, Giancarlo Razzolini wrote: > On 31-07-2014 14:47, Zach Leslie wrote: > > I'm a Puppet user for more than just firewall systems, which allows > > me > > to take a given node, say another server, and insert its IP into a >

Re: CARP cluster: howto keep pf.conf in sync?

2014-08-01 Thread Zach Leslie
> > Configuration management tools, like Puppet, can quickly abstract > > knowledge of a particular technology away from the user and isolate > > understanding for said technology to a smaller group of people with > > those skills. This is the nature of technology, though, is it not? > > Abstracti

Re: OpenBSD 5.5-STABLE: Full Disk Encryption (bioctl) and Smard Cards

2014-08-22 Thread Zach Leslie
> However, I don't know how it is seen by the system and if it would > show up as a drive. Anyone in here is using a smart card to decrypt > volumes at boot? You could use a YubiKey with a static long password to unlock the boot volume. -- Zach [demime 1.01d removed an attachment of type applica

Re: OpenBSD 5.5-STABLE: Full Disk Encryption (bioctl) and Smard Cards

2014-08-23 Thread Zach Leslie
> > >Are there any YubiKey-like devices that can contain many static > > >password, not one like YubiKey? > > > > Not sure it helps, but mine contains two... > > It helps! I need one for login password and second for firefox's password > manager. Which model do you use? All yubikeys have the two s

Re: reach a remote LAN through IPSEC from the router

2014-02-10 Thread Zach Leslie
Are systems behind the firewall able to route to and reach the remote network? I just built out an environment to do this last week using carp, and some of the trouble I had was that we could route through the device, but packets that originated from the router were not able to make it through. E

Re: reach a remote LAN through IPSEC from the router

2014-02-10 Thread Zach Leslie
On Mon, Feb 10, 2014 at 07:58:39PM +0100, Aurelien Martin wrote: > > net.inet.icmp.rediraccept=1 # 1=Accept ICMP redirects > > Good to know this feature :) > > > Are systems behind the firewall able to route to and reach the remote > network? > > Yes all is working. > > > we could route th

IPSec Packet Loss Help

2014-03-05 Thread Zach Leslie
I've recently deployed a set of OpenBSD firewalls and nearing a time when they need to go production, but I've got an issue that I can't nail down. I've got a pair of OpenBSD 5.4 systems running on Soekris 6501 at each location, for a total of four firewalls. Each pair is running the sasycnd, pfs

Re: IPSec Packet Loss Help

2014-03-05 Thread Zach Leslie
> OpenBSD 5.4 GENERIC#37 amd64 I've just booted the MP kernel on all four systems just to test and I am still seeing the behaviour. I can prompt the packet loss by generating load on the CPU. Running Puppet on the machines drives up the CPU usage considerably, at which point my remote session ha

Re: IPSec Packet Loss Help

2014-03-06 Thread Zach Leslie
On Wed, Mar 05, 2014 at 11:05:11PM -0600, Amit Kulkarni wrote: > > If PF information is needed, I can provide and obscure, but I didn't > > expect it to be > > the issue. > > > > i am no expert on this. but if it is a packet loss issue, you need to post > the obscured pf.conf Fair point. I've no

Re: IPSec Packet Loss Help

2014-03-06 Thread Zach Leslie
On Thu, Mar 06, 2014 at 08:16:34PM +, Andy Lemin wrote: > Hi, haven't read your original email but if my assumptions about your setup > are correct is the VPN tunnel dropping every now and then? Thats correct. Daemons start up quick, negotiations happen, and then periodically the tunnel is j

Re: IPSec Packet Loss Help

2014-03-07 Thread Zach Leslie
On Fri, Mar 07, 2014 at 04:35:45PM +, Andy wrote: > Hi > > On Thu 06 Mar 2014 23:03:58 GMT, Zach Leslie wrote: > >On Thu, Mar 06, 2014 at 08:16:34PM +, Andy Lemin wrote: > >>Hi, haven't read your original email but if my assumptions about your setup >

Re: IPSec Packet Loss Help

2014-03-07 Thread Zach Leslie
> I had to disable monitoring of the internal interfaces of both remote > firewalls, as it killed the VPN when you ping'ed the backup firewall. The > packets get there, but the reply is sent back directly from the backup and > not via the master. > > To fix that I added a NAT rule, and could then

Re: IPSec Packet Loss Help

2014-03-10 Thread Zach Leslie
> Hope this helps, Thanks, Andy. Once I removed the routes for the remote network point to the internal carp interface, everything works like I expect. Super stable. Thanks for your time. I'll mess with the NAT for monitoring soonish and see if I can get that working. -- Zach