Disabling internet access

varun_shrivastava · 03-11-2008, 08:17 AM

hi
My machine has two users "beetel" and "guest"
guest user's passwd is known to others.

Is it possible that some one can log into my system through guest account and access the internet as only my machine is allowed to access internet.

If so, how it is done and how can i disable this if some one tries to access internet through my guest account.

thanks

framp · 03-11-2008, 12:17 PM

Use iptables to block all input/output traffic for user 'guest' by using the iptables option '--uid-owner'. For details see 'man iptables'.