学步园

yum install telnet-server

vi /etc/xinetd.d/telnet

service telnet
{
    flags                  =REUSE
    socket_type      =stream　
    wait                   =no
    user                  =root
    server               =/usr/sbin/in.telnetd
    log_on_failure  +=USERID
    disable             =no
    instances         =16
}

iptables -I INPUT -p tcp --dport 23 -j ACCEPT
iptables -I INPUT -p udp --dport 23 -j ACCEPT
ip6tables -I INPUT -p tcp --dport 23 -j ACCEPT
ip6tables -I INPUT -p udp --dport 23 -j ACCEPT

#chkconfig iptables off
#chkdonfig ip6tables off

/etc/init.d/xinetd restart