Dynamic Firewall Rules
I am trying to build some dynamic firewall rules.
What I have so far is a script I can run from in the firewall script ( ./getip ) that looks like this... cat /etc/rc.d/getip ifconfig ppp0 | grep inet | cut -d "P" -f1 | cut -d ":" -f2- I can run it like this in the firewall script.. ./pppgetip > ip and come up with this... [root@beta rc.d]# cat ip 34.156.45.178 Now all I need to figure out is how to assign the contents of the file ..../ip to a variable in my script to use for making rules. or just do the whole ifconfig thing and apply it to a variable that I can use to make rules. Or is there maybe something I don't know about here that would make this whole thing unnecessary. |
Someone correct me if I'm wrong, but you don't need to do this. I'm fairly new to linux (3 months or so) but I think when assigning rules using iptables, you don't assign rules to the ip, but rather the interface...I use Monmotha's firewall and it works great..
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I want to do some special rules that use ip addresses.
I have so many rules that it takes 5 minutes to show them using -L |
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