Re: How to put more IPs in tables in PF?

2004-02-17 Thread Greg Hennessy
On 16 Feb 2004 21:16:58 -0800, [EMAIL PROTECTED] (Alejandro G. Belluscio) wrote: >What?!?! Why don't you use CDIR notation. In so many addresses it surely >have some ranges. Else it's ridiculous. Not to put too fine a point on it. If he wants to block spammers, it would be far easier to tar pi

Remotely Counting Machines Behind Nat

2004-02-17 Thread A. Wright
Hello All, It says in the FAQ that using the 'reassemble tcp' scrub option keeps an observer from guessing how many hosts are behind a NAT gateway. The main thing I plan to use this for is to prevent my ISP from finding out I have more than 1 computer connected, and then start asking me to pay mo

Re: Remotely Counting Machines Behind Nat

2004-02-17 Thread Matt Gibson
A. Wright wrote: Hello All, It says in the FAQ that using the 'reassemble tcp' scrub option keeps an observer from guessing how many hosts are behind a NAT gateway. The main thing I plan to use this for is to prevent my ISP from finding out I have more than 1 computer connected, and then start a

Re: Remotely Counting Machines Behind Nat

2004-02-17 Thread Shawn K. Quinn
On Tuesday 2004 February 17 09:39, A. Wright wrote: > Hello All, > > It says in the FAQ that using the 'reassemble tcp' scrub option keeps > an observer from guessing how many hosts are behind a NAT gateway. > The main thing I plan to use this for is to prevent my ISP from > finding out I have mor

Re: Remotely Counting Machines Behind Nat

2004-02-17 Thread Ryan McBride
On Tue, Feb 17, 2004 at 10:39:27AM -0500, A. Wright wrote: > Is there a way with pf to "wash" these ambiguities (window size, syn packet > size, etc) away so that all outgoing TCP packets look the same? Maybe even > set them to user-defined variables, as we already can with 'max-mss' and The most

Re: Remotely Counting Machines Behind Nat

2004-02-17 Thread Nikolay Denev
> Hello All, > > It says in the FAQ that using the 'reassemble tcp' scrub option keeps an > observer from guessing how many hosts are behind a NAT gateway. The main > thing I plan to use this for is to prevent my ISP from finding out I have > more than 1 computer connected, and then start asking m

RE: Remotely Counting Machines Behind Nat

2004-02-17 Thread Dom De Vitto
I don't think PF can (currently) do this. A easier/better solution would be to run a socks server on one of the boxes and use socks on the others as clients. Then all the connections come from a single PC. Dom - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Dom De Vitto

Re: Remotely Counting Machines Behind Nat

2004-02-17 Thread Mike Frantzen
> Is there a way with pf to "wash" these ambiguities (window size, syn packet > size, etc) away so that all outgoing TCP packets look the same? Maybe even > set them to user-defined variables, as we already can with 'max-mss' and > 'min-ttl'? Use the syn-proxy. It crafts all of the SYN's by hand