如何在ubuntu上开启Telnet登录

作者: 康康 分类: linux学习 发布时间: 2017-01-20 20:44
1
sudo apt-get install xinetd telnetd

安装成功过后会有提示

2然后sudo vi /etc/inetd.conf并加入以下一行



<pre>telnet stream tcp nowait telnetd /usr/sbin/tcpd /usr/sbin/in.telnetd

3再 sudo vi /etc/xinetd.conf并加入以下内容:


# 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
instances = 60
log_type = SYSLOG authpriv
log_on_success = HOST PID
log_on_failure = HOST
cps = 25 30
}
includedir /etc/xinetd.d

4. sudo vi /etc/xinetd.d/telnet并加入以下内容


# 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
}

5. 重启机器或重启网络服务sudo /etc/init.d/xinetd restart

6. 使用TELNET客户端远程登录即可进行非root用户访问。

记得外层防火墙开23端口tcp

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