linux如何设置iptables禁止访问某ip地址? 怎样设置IPtables如何禁止访问外网某个ip地址:
iptables -A OUTPUT -d 178.236.155.251 -j REJECT
结果:
ping 178.236.155.251
PING 178.236.155.251 (178.236.155.251) 56(84) bytes of data.
From 66.197.184.202 icmp_seq=1 Destination Port Unreachable
From 66.197.184.202 icmp_seq=1 Destination Port Unreachable
From 66.197.184.202 icmp_seq=1 Destination Port Unreachable
From 66.197.184.202 icmp_seq=1 Destination Port Unreachable
From 66.197.184.202 icmp_seq=1 Destination Port Unreachable
From 66.197.184.202 icmp_seq=1 Destination Port Unreachable