At 10:53 07/04/00 +0200, you wrote:
>Hi !
>
>> Firewall - quick and easy for Mandrake or Redhat linux:
>> Start netcfg and go to the routing tab and turn on network packet
>> forwarding by highlighting the box.
>> Then add the following lines to the /etc/rc.d/rc.firewall file:
>>
>> /sbin/depmod -a
>> /sbin/modprobe ip_masq_ftp
>> /sbin/modprobe ip_masq_raudio
>> /sbin/modprobe ip_masq_irc
>>
>> /sbin/ipchains -P forward DENY
>> /sbin/ipchains -A forward -s 10.0.0.1/24 -j MASQ
>> /sbin/ipchains -A forward -s 10.0.0.2/24 -j
>> MASQ
>>
>And you've opened the gates to crackers, if you have staticIP. It's a
>long story to tell but read the TrinityOS docs
>(http://www.ecst.csuchico.edu/~dranch/LINUX/TrinityOS.wri) and
>you'll be well informed how to setup a simple firewall and masq
>machine (See
>section 10). A must have reading even if you are
>not interested in security.
>Bye,
>Ago
Try
http://www.linux-firewall-tools.com/linux/firewall/
for taking the legwork out of firewall design.
ttfn
nick