Re: pf - drop or return - is stealth mode overrated?

2007-05-03 Thread Henning Brauer
* Kian Mohageri [EMAIL PROTECTED] [2007-05-02 21:52]: Henning Brauer wrote: * Chris Smith [EMAIL PROTECTED] [2007-04-25 00:42]: Using openbsd as a firewall in several cases - a few small businesses, and also for home use. Some websites, such as grc.com, stress that stealth mode

Re: pf - drop or return - is stealth mode overrated?

2007-05-02 Thread Henning Brauer
* Chris Smith [EMAIL PROTECTED] [2007-04-25 00:42]: Using openbsd as a firewall in several cases - a few small businesses, and also for home use. Some websites, such as grc.com, stress that stealth mode (which openbsd handles with ease) is the safest. But I've also read that using 'return'

Re: pf - drop or return - is stealth mode overrated?

2007-05-02 Thread Kian Mohageri
Henning Brauer wrote: * Chris Smith [EMAIL PROTECTED] [2007-04-25 00:42]: Using openbsd as a firewall in several cases - a few small businesses, and also for home use. Some websites, such as grc.com, stress that stealth mode (which openbsd handles with ease) is the safest. But I've also

Re: pf - drop or return - is stealth mode overrated?

2007-05-02 Thread Josh Archambault
* Chris Smith [EMAIL PROTECTED] [2007-04-25 00:42]: Using openbsd as a firewall in several cases - a few small businesses, and also for home use. Some websites, such as grc.com, stress that stealth mode (which openbsd handles with ease) is the safest. But I've also read that using 'return'

Re: pf - drop or return - is stealth mode overrated?

2007-05-02 Thread Han Boetes
Kian Mohageri wrote: For my clarification, are we talking about stealth mode as in dropping everything (including pings) from untrusted hosts, or the default block-policy (drop vs. return)? The only time when `dropping everything' is useful is when you are under a ddos to prevent load on the

Re: pf - drop or return - is stealth mode overrated?

2007-05-02 Thread steve szmidt
On Tuesday 24 April 2007 18:36, Chris Smith wrote: Hello, Using openbsd as a firewall in several cases - a few small businesses, and also for home use. Some websites, such as grc.com, stress that stealth mode (which openbsd handles with ease) is the safest. But I've also read that using

Re: pf - drop or return - is stealth mode overrated?

2007-04-30 Thread Joachim Schipper
On Mon, Apr 30, 2007 at 09:35:02AM +0930, Adam Hawes wrote: I find 'return' to be easier to work with. The LAN I am primarily thinking about is both infested with Windows and accessible via VPN - and the VPN has some Windows clients. Considering the people on said LAN, who are both sweet

Re: pf - drop or return - is stealth mode overrated?

2007-04-29 Thread Adam Hawes
I find 'return' to be easier to work with. The LAN I am primarily thinking about is both infested with Windows and accessible via VPN - and the VPN has some Windows clients. Considering the people on said LAN, who are both sweet and smart but not in general computer-savvy, I'd be highly

Re: pf - drop or return - is stealth mode overrated?

2007-04-25 Thread Joachim Schipper
On Tue, Apr 24, 2007 at 06:36:17PM -0400, Chris Smith wrote: Hello, Using openbsd as a firewall in several cases - a few small businesses, and also for home use. Some websites, such as grc.com, stress that stealth mode (which openbsd handles with ease) is the safest. But I've also read

pf - drop or return - is stealth mode overrated?

2007-04-24 Thread Chris Smith
Hello, Using openbsd as a firewall in several cases - a few small businesses, and also for home use. Some websites, such as grc.com, stress that stealth mode (which openbsd handles with ease) is the safest. But I've also read that using 'return' instead of 'drop' is good netizenship. So I'm

Re: pf - drop or return - is stealth mode overrated?

2007-04-24 Thread Darren Spruell
On 4/24/07, Chris Smith [EMAIL PROTECTED] wrote: Hello, Using openbsd as a firewall in several cases - a few small businesses, and also for home use. Some websites, such as grc.com, stress that stealth mode (which openbsd handles with ease) is the safest. But I've also read that using 'return'

Re: pf - drop or return - is stealth mode overrated?

2007-04-24 Thread Kian Mohageri
On 4/24/07, Chris Smith [EMAIL PROTECTED] wrote: Hello, Using openbsd as a firewall in several cases - a few small businesses, and also for home use. Some websites, such as grc.com, stress that stealth mode (which openbsd handles with ease) is the safest. But I've also read that using

Re: pf - drop or return - is stealth mode overrated?

2007-04-24 Thread Marco S Hyman
Kian Mohageri writes: I see no reason a host should receive any response at all when it is trying to talk to a host that doesn't exist or a port that isn't actually listening. Traceroute. // marc

Re: pf - drop or return - is stealth mode overrated?

2007-04-24 Thread Travers Buda
On 4/24/07, Chris Smith [EMAIL PROTECTED] wrote: Hello, Using openbsd as a firewall in several cases - a few small businesses, and also for home use. Some websites, such as grc.com, stress that stealth mode (which openbsd handles with ease) is the safest. But I've also read that

Re: pf - drop or return - is stealth mode overrated?

2007-04-24 Thread Lars Hansson
Kian Mohageri wrote: I could argue either way, but my preference is 'block drop' most of the time. Hopefully most of the time does not include ICMP. --- Lars Hansson

Re: pf - drop or return - is stealth mode overrated?

2007-04-24 Thread Travers Buda
* Lars Hansson [EMAIL PROTECTED] [2007-04-25 11:20:43]: Kian Mohageri wrote: I could argue either way, but my preference is 'block drop' most of the time. Hopefully most of the time does not include ICMP. Yeah, wouldn't want to violate RFC 1122. ICMP is a Good Thing. $ ping machine is

Re: pf - drop or return - is stealth mode overrated?

2007-04-24 Thread Kian Mohageri
On 4/24/07, Lars Hansson [EMAIL PROTECTED] wrote: Kian Mohageri wrote: I could argue either way, but my preference is 'block drop' most of the time. Hopefully most of the time does not include ICMP. It doesn't. -- Kian Mohageri