On Sun, Aug 19, 2001 at 03:55:10PM +1000, [EMAIL PROTECTED] wrote: > I am trying to make my firewall do a very basic loop. > > Here are the relevant parts of the script. > ------------------------------ > IPADDR=`ifconfig $EXT_IF | grep inet | cut -d : -f 2 | cut -d \ -f 1` > > NAMESERVERS=`grep nameserver /etc/resolv.conf | cut -d \ -f 2` # Stores 2 > DNSs > > for DNS_ADDRESS in $NAMESERVERS ; > do > iptables -A OUTPUT -o $EXT_IF -p udp -s $IPADDR --sport $UNPRIVPORTS \ > -d $DNS_ADDRESS --dport $DNS_PORT -j ACCEPT > iptables -A OUTPUT -o $EXT_IF -p tcp -s $IPADDR --sport $UNPRIVPORTS \ > -d $DNS_ADDRESS --dport $DNS_PORT -j ACCEPT > iptables -A INPUT -i $EXT_IF -p udp -s DNS_ADDRESS --sport $DNS_PORT \ > -d $IPADDR --dport $UNPRIVPORTS -j ACCEPT > iptables -A INPUT -i $EXT_IF -p tcp -s DNS_ADDRESS --sport $DNS_PORT \ > -d $IPADDR --dport $UNPRIVPORTS -j ACCEPT > done > ------------------------------ > I have never written a script with a loop. The above seems to hang. > what is wrong with it? > Thanks for the replies. I have forgotten the $ sign before the variable DNS_ADDRESS in the last 2 lines
Mark.
