CentOS 6.5 TELNET 설치
1) yum install telnet
2) yum install telnet-server
3) vi /etc/xinetd.d/telnet
---------------------------------------------------------------------
# default: on
# description: The telnet server serves telnet sessions; it uses \
# unencrypted username/password pairs for authentication.
service telnet
{
flags = REUSE
socket_type = stream
wait = no
user = root
server = /usr/sbin/in.telnetd
log_on_failure += USERID
disable = no <== 이부분을 yes에서 no로 변경
}
---------------------------------------------------------------------
4) vi /etc/sysconfig/iptables #방화벽 포트설정
---------------------------------------------------------------------
# Firewall configuration written by system-config-firewall
# Manual customization of this file is not recommended.
*filter
:INPUT ACCEPT [0:0]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
-A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
-A INPUT -p icmp -j ACCEPT
-A INPUT -i lo -j ACCEPT
-A INPUT -m state --state NEW -m tcp -p tcp --dport 22 -j ACCEPT
-A INPUT -m state --state NEW -m tcp -p tcp --dport 23 -j ACCEPT
-A INPUT -j REJECT --reject-with icmp-host-prohibited
-A FORWARD -j REJECT --reject-with icmp-host-prohibited
COMMIT
---------------------------------------------------------------------
5) service iptables restart
6) /etc/init.d/xinetd restart
