ubuntu配置telnet服务

1、安装xinetd 以及telnetd

#:~$ sudo apt-get install xinetd telnetd

 

 2、配置文件（若文件不存在就手动添加文件和相应配置信息）

1): #:~$ vi /etc/inetd.conf 添加下面一行信息

telnet stream tcp nowait telnetd /usr/sbin/tcpd /usr/sbin/in.telnetd

 

2):  #:~$ vi  /etc/xinetd.conf 修改下面红色标注部分的信息

# Simple configuration file for xinetd

# Some defaults, and include /etc/xinetd.d/

defaults

{

# Please note that you need a log_type line to be able to use log_on_success

# and log_on_failure. The default is the following :

# log_type = SYSLOG daemon info(插入红色部分）

instances = 60

log_type = SYSLOG authpriv

log_on_success = HOST PID

log_on_failure = HOST

cps = 25 30

}

 includedir /etc/xinetd.d

 

3):  #:~$ vi  /etc/xinetd.d/telnet 修改下面红色标注部分的信息

# default: on 

# description: The telnet server serves telnet sessions; it uses \ 

# unencrypted username/password pairs for authentication. 

service telnet 

{ 

disable = no 

flags = REUSE 

socket_type = stream 

wait = no 

user = root 

server = /usr/sbin/in.telnetd 

log_on_failure += USERID 

}  

 

3. 重启机器或重启网络服务

#:~$ /etc/init.d/xinetd restart