Re: Suggestion for a new feature, port code

2011-03-04 Thread Henning Brauer
we will never let that shit even remotely close to our tree. period. * Johan Söderberg johan.s.u...@gmail.com [2011-03-04 15:00]: In my mind this is not security by obscurity, no more than one-time passwords. The ports can be compared to the keys of a keyboard when typing a password. As

Re: Suggestion for a new feature, port code

2011-03-04 Thread Johan Söderberg
Henning Brauer henning at openbsd.org writes: we will never let that shit even remotely close to our tree. period. we don't need you to tell us that as that shit already works. full stop.

Re: Suggestion for a new feature, port code

2011-03-02 Thread Johan Söderberg
2011/2/28, Karl O. Pinc: If you want it to be secure you make the knock code a ome-time-pad. 2011/3/1, me: If I change the knock ports every time I log in, I should be fine, right? Nah, still vulnerable to MITM. Just intercept and stop the knocks from reaching, and replay them yourself. But it

Re: Suggestion for a new feature, port code

2011-03-01 Thread Kelley Reynolds
A quick google on 'pf port knocking' turned up the following that might be of interest. http://www.lazyscripter.com/2010/04/port-knocking-with-pf/ On Feb 28, 2011, at 10:17 AM, Johan Söderberg wrote: A ridiculously simple idea. Protect your port, say ssh, by adding a code to access it. Ok,

Re: Suggestion for a new feature, port code

2011-03-01 Thread Peter N. M. Hansteen
Johan Söderberg johan.s.u...@gmail.com writes: For a client to connect to a service, it need to unlock the port with a code. The code is made of predefined blocked ports, that makes pf trigger. You have just described 'port knocking'. It's been discussed in PF contexts before (I forget which

Re: Suggestion for a new feature, port code

2011-03-01 Thread Daniel Staal
On Mon, February 28, 2011 10:17 am, Johan Söderberg wrote: A ridiculously simple idea. Protect your port, say ssh, by adding a code to access it. Ok, that's nothing new, but maybe how it's done. For a client to connect to a service, it need to unlock the port with a code. The code is made of

Re: Suggestion for a new feature, port code

2011-03-01 Thread Johan Söderberg
spamassassinexception Thank you so much for your input! If I change the knock ports every time I log in, I should be fine, right? Please comment on my ruleset, brain fart again? knock1 = 1 knock2 = 2 open = 22 block drop in all block drop quick on $extif inet proto tcp \ from any to

Suggestion for a new feature, port code

2011-02-28 Thread Johan Söderberg
A ridiculously simple idea. Protect your port, say ssh, by adding a code to access it. Ok, that's nothing new, but maybe how it's done. For a client to connect to a service, it need to unlock the port with a code. The code is made of predefined blocked ports, that makes pf trigger. If the first

Re: Suggestion for a new feature, port code

2011-02-28 Thread Karl O. Pinc
On 02/28/2011 09:17:25 AM, Johan Söderberg wrote: A ridiculously simple idea. Protect your port, say ssh, by adding a code to access it. Ok, that's nothing new, but maybe how it's done. For a client to connect to a service, it need to unlock the port with a code. The code is made of