Re: ipfw2 - too many dynamic rules

2005-10-18 Thread Chuck Swiger

Stec John wrote:
I need some help with ipfw2 on my squid box 


I have too many dynamic rules errors for dns
Can I insert a dns static rule into my rules (as below) and how?

[ ... ]

# allow DNS,NTP queries out in the world
add pass udp from any 1024-65535 to any 53,123
add pass udp from any 53,123 to any 1024-65535
add pass udp from any 53,123 to any 53,123
add pass tcp from me to any 53 setup keep-state

Note that you probably want to use the combination of setup keep-state 
elsewhere in your rules, too.


--
-Chuck

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Re: ipfw2 - too many dynamic rules

2005-10-18 Thread Chuck Swiger

Stec John wrote:

Hi Chuck, are you suggesting to add these dns rules on top of the existing
rules?


Yes.


Can I use allow instead of pass?


Yes, they mean the same thing:


 allow   Allow packets that match rule.  The search terminates.
 Aliases are pass, permit and accept.

--
-Chuck
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Re: ipfw2 - too many dynamic rules

2005-10-18 Thread Stec John
Hi Chuck, are you suggesting to add these dns rules on top of the existing
rules?
Can I use allow instead of pass?

- Original Message -
From: Chuck Swiger [EMAIL PROTECTED]
To: Stec John [EMAIL PROTECTED]
Cc: freebsd-questions@freebsd.org
Sent: Tuesday, October 18, 2005 12:31 PM
Subject: Re: ipfw2 - too many dynamic rules


 Stec John wrote:
  I need some help with ipfw2 on my squid box
 
  I have too many dynamic rules errors for dns
  Can I insert a dns static rule into my rules (as below) and how?
 [ ... ]

 # allow DNS,NTP queries out in the world
 add pass udp from any 1024-65535 to any 53,123
 add pass udp from any 53,123 to any 1024-65535
 add pass udp from any 53,123 to any 53,123
 add pass tcp from me to any 53 setup keep-state

 Note that you probably want to use the combination of setup keep-state
 elsewhere in your rules, too.

 --
 -Chuck

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 http://lists.freebsd.org/mailman/listinfo/freebsd-questions
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[EMAIL PROTECTED]




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