Have you also setup yer ipfwadm/ipchains to block such leakage?
Thanks,
Ron DuFresne
On Thu, 16 Mar 2000, Mikael Schmidt wrote:
> Hello,
>
> my ISP notified me a week ago that my internal ip, 192.168.1.1, is leaking
> out on their net. This seems wierd to me since that ip adress belongs to a
> network card that isn't connected to that net, for that I have another
> network card. I am using the ip-masquerade feature in the linux kernel,
> using version 2.2.14, and setting up the firewall rules with ip-chains...
> the ip that should only be shown out to my ISP's network is 195.17.115.34.
> How is it that this happens? should it be this way or have I misconfigured
> anything? If it should be that way, what can I do to prevent this from
> happening? Any clues or thoughts what so ever would be greatly appreciated
> since I don't really know from where to start except getting some program
> that analyzes all packets being sent out on an interface and simply
> throwing away every packet with the internal ip in them.
>
> Mikael Schmidt <[EMAIL PROTECTED]>
> 0418 - 41 11 38 http://www.itsec.nu/, http://teddybear.cx/
> 0709 - 60 52 49 Certified Linux Administrator
>
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