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  #1  
Old February 17th, 2004, 03:09 AM
kotolenko kotolenko is offline
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IPFW and ACL-s

Hi,

i am running FreeBSD 4.9 and would like to setup a IPFW firewall. I would like to build my own ruleset, but i havent find anywhare if it is possible to build an ACL in that ruleset file.To have a list of IP-s for the later use in specific rules and in case anything changes, i dont have to change rules, i only add or remove some IP. For example:
.
.
admin="192.0.0.100 192.0.0.105"
users="192.0.0.150 192.0.0.151 192.0.0.152"
.
.
add allow all from $admin to any
add deny log all from $users to 209.247.228.201
.
.

Is it posible to do this in such way?

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  #2  
Old February 18th, 2004, 05:42 PM
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munkfish munkfish is offline
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Create a shell script along the lines of:

Code:
#!/bin/sh

# path to ipfw:
ipfw=/sbin/ipfw

admin="192.0.0.100 192.0.0.105"
users="192.0.0.150 192.0.0.151 192.0.0.152"

# then add the rules like:
for adminip in $admin
do
  $ipfw add allow all from $adminip to any
done

# similarly for users
...


You can then load the firewall rules by executing the script.

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  #3  
Old February 19th, 2004, 10:15 AM
kotolenko kotolenko is offline
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thanx that works great

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