Re: pf and DNS

2011-01-07 Thread Martin Schröder
2011/1/7 Girish Venkatachalam girishvenkatacha...@gmail.com: Many websites these days Akamize or do whatever that gives them a different IP address everytime you access it. And consequently pf which does not know a thing about domains does not help us. What exactly is the problem you want

Re: pf and DNS

2011-01-07 Thread Claer
On Fri, Jan 07 2011 at 59:07, Girish Venkatachalam wrote: I try to use OpenBSD wherever I can and in the firewall I have installed in a big jewel store here I have the following problem. Many websites these days Akamize or do whatever that gives them a different IP address everytime you

Re: pf and DNS

2011-01-07 Thread Eric Furman
Don't use stupid shit like Akamize. Problem solved. Stop making people laugh at you. On Fri, 07 Jan 2011 10:25 +0100, Claer cl...@claer.hammock.fr wrote: On Fri, Jan 07 2011 at 59:07, Girish Venkatachalam wrote: I try to use OpenBSD wherever I can and in the firewall I have installed in a

Re: pf and DNS

2011-01-07 Thread Girish Venkatachalam
On Fri, Jan 7, 2011 at 2:43 PM, Martin Schrvder mar...@oneiros.de wrote: And consequently pf which does not know a thing about domains does not help us. What exactly is the problem you want to solve? Sorry for having been abstract. Here is the detailed explanation. One domain translates to

Re: pf and DNS

2011-01-07 Thread Joachim Schipper
On Fri, Jan 07, 2011 at 05:50:25AM -0500, Eric Furman wrote: On Fri, Jan 07 2011 at 59:07, Girish Venkatachalam wrote: Many websites these days Akamize or do whatever that gives them a different IP address everytime you access it. Don't use stupid shit like Akamize. Problem solved.

Re: pf and DNS

2011-01-07 Thread Christopher Dukes
On Fri, 2011-01-07 at 16:26 +0530, Girish Venkatachalam wrote: On Fri, Jan 7, 2011 at 2:43 PM, Martin Schrvder mar...@oneiros.de wrote: And consequently pf which does not know a thing about domains does not help us. What exactly is the problem you want to solve? Sorry for having

Re: pf and DNS

2011-01-07 Thread Andy Bradford
Thus said Girish Venkatachalam on Fri, 07 Jan 2011 16:26:01 +0530: Due to this , whatever IP address pf(4) knows at the time of ruleset loading alone works. Use pfctl and a cronjob to periodically update a table. Kludgey, sure... Andy

pf and DNS

2011-01-06 Thread Girish Venkatachalam
I try to use OpenBSD wherever I can and in the firewall I have installed in a big jewel store here I have the following problem. Many websites these days Akamize or do whatever that gives them a different IP address everytime you access it. And consequently pf which does not know a thing about

pf/nat/dns setup question

2010-12-04 Thread ramrunner
Hey list! if you can spare some time read the following :) i have a domain living inside a very very unsecure university network that is administered by some morons. it is highly compromised in many layers but i can't touch it. so i have a NATing firewall and i am running my services behind that.

Re: PF and DNS requests

2005-11-11 Thread Matthew R Powell
Chris Kuethe wrote: On 11/11/05, Matthew R Powell [EMAIL PROTECTED] wrote: Greetings, My 3.7 firewall is holding up DNS requests. pflog suggests that my very first rule, 'block log all' is stopping them. As it should. Further down my rule set, however, exists the following

Re: pf/NAT/DNS Problems in OpenBSD-3.7 Current

2005-06-22 Thread Stuart Henderson
--On 22 June 2005 09:03 -0400, Vivek Ayer wrote: Once I enable pf with the given ruleset, I can't all of a sudden ping to domains. PF is doing exactly what you told it ... priv_nets = { 127.0.0.0/8, 192.168.0.0/16, 10.0.0.0/8 } [...] block drop in quick on $ext_if from $priv_nets to any

pf/NAT/DNS Problems in OpenBSD-3.7 Current

2005-06-21 Thread Vivek Ayer
Hi, I recently setup a firewall/router using OpenBSD 3.7 (upgraded to current). I've been having problems getting to the internet, which is a DSL modem via dhclient. The firewall has 3 interfaces to it: dc1 (goes to internet), dc0 (goes to internal ethernet), and ral0 (goes to wireless ethernet).

Re: pf/NAT/DNS Problems in OpenBSD-3.7 Current

2005-06-21 Thread Jason Opperisano
On Tue, Jun 21, 2005 at 11:56:00AM -0400, Vivek Ayer wrote: I'm not running a name server on firewall. I'm simply proving the nameserver of the ISP in dhcpd.conf, which is 192.168.1.1. I know something is wrong in my pf.conf. IP forwarding is on, but no NAT seems to be happening. I can ping to

Re: pf/NAT/DNS Problems in OpenBSD-3.7 Current

2005-06-21 Thread Vivek Ayer
Here are the five files inline: This is /etc/pf.conf: # $OpenBSD: pf.conf,v 1.28 2004/04/29 21:03:09 frantzen Exp $ # # See pf.conf(5) and /usr/share/pf for syntax and examples. # Remember to set net.inet.ip.forwarding=1 and/or net.inet6.ip6.forwarding=1 # in /etc/sysctl.conf if packets

Re: pf/NAT/DNS Problems in OpenBSD-3.7 Current

2005-06-21 Thread Jason Opperisano
On Tue, Jun 21, 2005 at 02:18:03PM -0400, Vivek Ayer wrote: priv_nets = { 127.0.0.0/8, 192.168.0.0/16, 10.0.0.0/8 } --snip-- block drop in quick on $ext_if from $priv_nets to any block drop out quick on $ext_if from any to $priv_nets from your first post: I'm not running a name server on