ifconfig and network starting

Mark Street jet at sonic.net
Fri Nov 2 21:43:33 PST 2001


For your interfaces
/etc/sysconfig/network-scripts - remember ONBOOT

/etc/rc.d/rc.local or rc.firewall for the iptables code.
Set yourself a link from your rc dir's to start the packet filter after
the network comes up.  Remember the S99 in rc3.d?

On Fri, 2 Nov 2001, Jake wrote:

> So I have my box with NAT bridging my 802.11 network to my switched lan.
>
> Totaly insecure, all packets can be sniffed (I couldn't care less at the
> moment.)
>
> However I was trying to think of the best way to get these lines to be
> passed to the shell:
>
> ifconfig eth1 up 192.168.254.3 broadcast 192.168.254.255 netmask
> 255.255.255.0
> ifconfig eth2 up 10.0.0.1 broadcast 10.0.0.255 netmask 255.255.255.0
> iptables -t nat -P POSTROUTING DROP
> iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE
>
> Then when that is done I can use it as my NAT box and it should work for my
> 802.11 network and my other interface.
> But I dont know the best place to put this on my redhat 7.2 box.
>
> Any ideas?
>
> I was thinking that it would be best to add it to the network script in
> /etc/init.d/network but where in the script?
>
> Currently my box hasnt gone down, so I havent needed to pass these options
> to the kernel  again :)
>
> Thanks,
> Jake
>
>



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