解决Linux5在telnet时报错“Unencrypted connection refused. Goodbye.”

Oracle Linux 5环境,今天在远程telnet时,居然报错如下:

Unencrypted connection refused. Goodbye.

解决方法:
1)将文件/etc/xinetd.d/ekrb5-telnet里面的参数“disable”改成:
disable=yes

  
2)重启xinetd服务:
 service xinetd restart 

   
3)防止系统再次更改该参数值,执行:
 chkconfig ekrb5-telnet off


这样一劳永逸,问题解决,大功告成!

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