[root@kicker root]# iptables -F
[root@kicker root]# iptables -A INPUT -s 0/0 -d linuxnews.ru -j REJECT
[root@kicker root]# ping linuxnews.ru -c 2
PING linuxnews.ru (212.24.38.150) 56(84) bytes of data.
64 bytes from ftp.asplinux.ru (212.24.38.150): icmp_seq=1 ttl=54 time=6795 ms
64 bytes from ftp.asplinux.ru (212.24.38.150): icmp_seq=2 ttl=54 time=6731 ms

--- linuxnews.ru ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 1013ms
rtt min/avg/max/mdev = 6731.306/6763.309/6795.313/32.108 ms, pipe 2
[root@kicker root]# lsmod|grep ipt
ipt_REJECT              4312   1  (autoclean)
iptable_filter          2412   1  (autoclean)
ip_tables              15776   2  [ipt_REJECT iptable_filter]
[root@kicker root]# cat /etc/redhat-release 
Red Hat Linux release 9 (Shrike)
[root@kicker root]# cat /etc/asplinux-release 
ASPLinux release 9 (Ural)
[root@kicker root]# iptables -L -n|grep 212
REJECT     all  --  0.0.0.0/0            212.24.38.150      reject-with icmp-port-unreachable