日期:2014-05-16 浏览次数:20970 次
[root@RHEL6A ~]# iptables -L -nv
Chain INPUT (policy ACCEPT 0 packets, 0 bytes)
 pkts bytes target     prot opt in     out     source               destination         
   26  2012 ACCEPT     all  --  *      *       0.0.0.0/0            0.0.0.0/0           state RELATED,ESTABLISHED 
    0     0 ACCEPT     icmp --  *      *       0.0.0.0/0            0.0.0.0/0           
    0     0 ACCEPT     all  --  lo     *       0.0.0.0/0            0.0.0.0/0           
    2   152 ACCEPT     tcp  --  *      *       0.0.0.0/0            0.0.0.0/0           state NEW tcp dpt:22 
    1    32 REJECT     all  --  *      *       0.0.0.0/0            0.0.0.0/0           reject-with icmp-host-prohibited 
Chain FORWARD (policy ACCEPT 0 packets, 0 bytes)
 pkts bytes target     prot opt in     out     source               destination         
    0     0 ACCEPT     all  --  *      *       0.0.0.0/0            0.0.0.0/0           PHYSDEV match --physdev-is-bridged 
    0     0 REJECT     all  --  *      *       0.0.0.0/0            0.0.0.0/0           reject-with icmp-host-prohibited 
Chain OUTPUT (policy ACCEPT 25 packets, 2204 bytes)
 pkts bytes target     prot opt in     out     source               destination         
[root@RHEL6A ~]# iptables -P INPUT DROP
[root@RHEL6A ~]# iptables -I INPUT 1 -p icmp -j ACCEPT
[root@RHEL6A ~]# iptables -I INPUT 1 -p tcp -m multiport --dports 21,22,80,139,445 -j ACCEPT
[root@RHEL6A ~]# iptables -L -nv
Chain INPUT (policy DROP 0 packets, 0 bytes)
 pkts bytes target     prot opt in     out     source               destination         
   13   884 ACCEPT     tcp  --  *      *       0.0.0.0/0            0.0.0.0/0           multiport dports 21,22,80,139,445 
    0     0 ACCEPT     icmp --  *      *       0.0.0.0/0            0.0.0.0/0           
   37  2684 ACCEPT     all  --  *      *       0.0.0.0/0            0.0.0.0/0           state RELATED,ESTABLISHED 
    0     0 ACCEPT     icmp --  *      *       0.0.0.0/0            0.0.0.0/0           
    0     0 ACCEPT     all  --  lo     *       0.0.0.0/0            0.0.0.0/0           
    2   152 ACCEPT     tcp  --  *      *       0.0.0.0/0            0.0.0.0/0           state NEW tcp dpt:22 
    1    32 REJECT     all  --  *      *       0.0.0.0/0            0.0.0.0/0           reject-with icmp-host-prohibited 
Chain FORWARD (policy ACCEPT 0 packets, 0 bytes)
 pkts bytes target     prot opt in     out     source               destination         
    0     0 ACCEPT     all  --  *      *       0.0.0.0/0            0.0.0.0/0           PHYSDEV match --physdev-is-bridged 
    0     0 REJECT     all  --  *      *       0.0.0.0/0            0.0.0.0/0           reject-with icmp-host-prohibited 
Chain OUTPUT (policy ACCEPT 8 packets, 1104 bytes)
 pkts bytes target     prot opt in     out     source               destination