[olug] mandrake firewall

[dbw]

Iptables, the ipchains replacement, includes improved support for 
NAT and firewalling and is quite powerful yet very flexible. It even 
includes compatibility modes for older schemes.   

If you are using kernel 2.4 this explains why your ipchains can not 
be found.

Ipfwadm with Kernel 2.0.x
Ipchains with Kernel 2.2.x
Iptables with Kernel 2.4.x

See the LDP Iptables howto (olug has it mirrored).

-Derek


At Wednesday, 28 March 2001, you wrote:

>I just overwrote my /etc/rc.d.rc.firewall file with the rc.firewall 
I've
>used for all  my previous mandrake versions (I'm running mandrake 8.0
>right now)but now I get ......ipchains: Protocol not available..and 
>/etc/rc.d/rc.firewall: /proc/sys/net/ipv4/tcp_syncookies: No such file
>or directory and /etc/rc.d/rc.firewall:
>/proc/sys/net/ipv4/ip_always_defrag: No such file or directory...I
>looked in /proc/sys/net/ipv4 and like it says there are no signs of
>those 2 files.Did a newer and differently named one take their
>places?I've looked over my rules and I can't see where I might get
>ipchain:Protocol not available.Here's an example of 2 of my rules,does
>anyone see anything wrong besides my newbie like rules? :).....
>ipchains -A input -p tcp -s 0/0 53 -d 0/0 1024: -j ACCEPT
>ipchains -A input -p udp -s 0/0 53 -d 0/0 1024: -j ACCEPT..with all
>these errors do you think my firewalls even up?That concerns me.
>
>			Thank you,Gary Martin
>
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