So after using Shorewall for years, I've been taking my first foray into 
real router devices by playing with a MikroTik Routerboard 750.  Nice 
little unit, 400MHz Mips CPU, 32MB RAM, 64MB flash.

I'm trying to wrap my head around writing actual router/firewall rules 
now, and it's quite interesting. The layout is similar to iptables 
(RouterOS is, after all, built on top of Linux), but I still have to 
convert all my existing proxy arp, firewall rules, and zone 
configurations to RouterOS commands and configuration.

Which led me to wonder: Is the shorewall compiler output "pluggable," or 
at least self-contained as to be easily replaceable?  I was thinking 
along the lines of the rules and config being parsed into a 
firewall-agnostic datastructure, then I could take that data structure 
and write out rules in the RouterOS dialect.

Any chance of that?

j

-- 
Joshua Kugler
Part-Time System Admin/Programmer
http://www.eeinternet.com
PGP Key: http://pgp.mit.edu/  ID 0x14EA086E

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