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由于REDHAT AS3/4使用kerberos5认证,默认telnet服务无法进行root登录,所以需要重新安装telnet-server进行配置,具体步骤如下:
1、下载安装telnet-server。我使用了telnet-server-0.17-20.i386.rpm
2、修改/etc/xinetd.d/telnet ,将disable=yes修改为no,之后将/etc/xinetd.d/krb5-telnet中disable=no修改为yes
[root@ika xinetd.d]# cat telnet
# 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、修改/etc/pam.d/login文件,将第二行“auth required pam_securetty.so”注释掉
[root@ika pam.d]# cat login
#%PAM-1.0
#auth required /lib/security/pam_securetty.so
auth required /lib/security/pam_stack.so service=system-auth
auth required /lib/security/pam_nologin.so
account required /lib/security/pam_stack.so service=system-auth
password required /lib/security/pam_stack.so service=system-auth
session required /lib/security/pam_stack.so service=system-auth
session optional /lib/security/pam_console.so
4、修改/etc/securetty文件,添加登录的tty,如pts/0,pts/1,pts/2.......
[root@RN031 etc]# cat securetty
pts/0
pts/1
pts/2
vc/1
vc/2
vc/3
vc/4
5、重启xinetd:service xinetd restart。
6、telnet试一下~~~ok了
前边已经有好多关于这个问题的帖子,我借鉴,总结了一下,希望有一点用处。有什么不正确的地方还希望各位大侠提出意见,谢谢
[ 本帖最后由 ika 于 2007-8-6 18:43 编辑 ] |
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