(Centos 5.5) to block xxx.xxx.xxx.xxx:# iptables -A OUTPUT -j DROP -d xxx.xxx.xxx.xxxthen verify by:# iptables -L OUTPUT --line-numbersChain OUTPUT (policy DROP)num  target     prot opt source               destination1    ACCEPT     all  --  anywhere             anywhere2    ACCEPT     all  --  anywhere             anywhere            state NEW,RELATED,ESTABLISHED3    DROP       all  --  anywhere             xxx.xxx.xxx.xxxIt doesn't work; what did I do wrong?
how to block only certain outgoing ip connection with iptables
centos;iptables