Questions on rules syntax
I am trying to add a rule that covers part of a class C range. I want to allow 10.0.0.50 through 10.0.0.254 or simply deny .1 through .50 then allow the whole range. Is there a syntax that will allow me to do this in one rule? I have searched extensively before bugging the list for help.
thanks,
Signature · 2 lines
Scott Hall ArosNet Consulting
Quoted 7 lines
I am trying to add a rule that covers part of a class C range. I want to allow 10.0.0.50 through 10.0.0.254 or simply deny .1 through .50 then
allow the whole range. Is there a syntax that will allow me
to do this
in one rule? I have searched extensively before bugging the list for help.
If you search on www.netfilter.org in the Patch-O-Matic Base repository, you can find :
http://www.netfilter.org/patch-o-matic/pom-base.html#pom-base-iprange
For this, you will have to patch and recompile your own kernel as I don't think this functionality is enabled in a default kernel from a Linux distro.
Gr,
Rob
It looks like you'll just have to do the math or get someone who likes doing it:
ALLOW 10.0.0.128/25
This allows 128-255.
ALLOW 10.0.0.64/26
This allows 64-127.
ALLOW 10.0.0.56/29.
This allows 56-63.
ALLOW 10.0.0.52/30
This allows 52-55.
ALLOW 10.0.0.50/31
This allows 50-51.
REJECT 10.0.0.0/27.
This rejects 0-31.
REJECT 10.0.0.32/28
This rejects 32-47.
REJECT 10.0.0.48/31
This rejects 48-49.
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-----Original Message-----
From: [email protected] [mailto:[email protected]] On Behalf Of Scott Hall
Sent: Thursday, February 12, 2004 12:54 PM
To: [email protected]
Subject: Questions on rules syntax
I am trying to add a rule that covers part of a class C range. I want to allow 10.0.0.50 through 10.0.0.254 or simply deny .1 through .50 then
allow the whole range. Is there a syntax that will allow me to do this
in one rule? I have searched extensively before bugging the list for help.
thanks,
Signature · 2 lines
Scott Hall ArosNet Consulting