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本篇內(nèi)容主要講解“在RHEL 5上telnet的開啟過程是什么”,感興趣的朋友不妨來看看。本文介紹的方法操作簡(jiǎn)單快捷,實(shí)用性強(qiáng)。下面就讓小編來帶大家學(xué)習(xí)“在RHEL 5上telnet的開啟過程是什么”吧!
1、確定你的telnet服務(wù)打開沒有:
[root@111 ~]# chkconfig --list|grep telnet
ekrb5-telnet: off
krb5-telnet: off
[root@111 ~]#
注意檢查結(jié)果這里是關(guān)閉狀態(tài)
2、打開telnet服務(wù):
[root@111 ~]# chkconfig krb5-telnet on
[root@111 ~]# chkconfig --list|grep telnet
ekrb5-telnet: offv
krb5-telnet: on
[root@111 ~]#
檢查已經(jīng)被打開了
3、修改登陸文件securetty,主要增加要登陸的終端點(diǎn)
[root@111 ~]# vi /etc/securetty
增加如下幾行:
pts/1
pts/2
pts/3
pts/4
pts/5
……
保存退出即可。
如果是chkconfig krb5-telnet on
會(huì)提示Unencrypted connection refused. Goodbye.Connection closed by foreign host.看錯(cuò)誤信息好像是說的為加密的連接被拒絕,查看了他的配置文件也沒發(fā)現(xiàn)有什么關(guān)于加密的選項(xiàng),而且配置文件也很正確,于是到google上去搜索了一大圈,***終于找到一個(gè)老外寫的一個(gè)解決方法:
I really needed a bit of guidance and you provided it./sbin/chkconfig --list |grep telnetThe above command told me I had both krb5-telnet and ekrb5-telnet, andalso the installed telnet all on. Initially I did not know what theywere all for. After turning them on and off and testing my telnetconnection from another box I realised that "ekrb5-telnet" was theencrypted telnet server that I needed to turn off to run "krb-telnet"which allowed non-encrypted telnet connections.eg /sbin/chkconfig ekrb5-telnet offThanks for your help.
原來ekrb5-telnet是一個(gè)需要加密的telnet服務(wù),把這個(gè)服務(wù)啟動(dòng)上當(dāng)然就需要加密了。解決方法:將/etc/xinetd.d/ekrb5-telnet里面的disable改成=yes,再重啟xinetd服務(wù)service xinetd restart就OK了!
到此,相信大家對(duì)“在RHEL 5上telnet的開啟過程是什么”有了更深的了解,不妨來實(shí)際操作一番吧!這里是億速云網(wǎng)站,更多相關(guān)內(nèi)容可以進(jìn)入相關(guān)頻道進(jìn)行查詢,關(guān)注我們,繼續(xù)學(xué)習(xí)!
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