Hi everyone, I'm quite new to iptables - and am having trouble with it. Am using Red Hat Linux 9. Are my rules correct - given the requirements? # services to be allowed in are http and ssh only. # the box can be ping; all others not allowed iptables -A INPUT -i lo -p all -j ACCEPT iptables -A INPUT -i eth0 -m state --state ESTABLISHED,RELATED -j ACCEPT iptables -A INPUT -p icmp -j ACCEPT iptables -A INPUT -p tcp --dport 22 -j ACCEPT iptables -A INPUT -p udp --dport 22 -j ACCEPT iptables -A INPUT -p tcp --dport 80 -j ACCEPT iptables -A INPUT -p udp --dport 80 -j ACCEPT iptables -P INPUT DROP # users on this computer can only browse and ping local and remote sites # all others not allowed iptables -A OUTPUT -o lo -p all -j ACCEPT iptables -A OUTPUT -m state --state ESTABLISHED,RELATED -j ACCEPT iptables -A OUTPUT -p icmp -j ACCEPT iptables -A OUTPUT -p tcp --dport 53 -j ACCEPT iptables -A OUTPUT -p udp --dport 53 -j ACCEPT iptables -A OUTPUT -p tcp --dport 80 -j ACCEPT iptables -A OUTPUT -p udp --dport 80 -j ACCEPT iptables -P OUTPUT DROP Thanks in advance, Robert __________________________________ Do you Yahoo!? Win a $20,000 Career Makeover at Yahoo! HotJobs http://hotjobs.sweepstakes.yahoo.com/careermakeover -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list
