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ۼ : 06-04-03 15:02
telnet ӽ root login
 ۾ :
ȸ : 12,550  
⺻ ڳ root ֽϴ. root login ϱ ؼ /etc/securetty Ͽ root Ҽ ִ ؾ մϴ.

telnet Ȯ.

# default: on
# description: The telnet server serves telnet sessions; it uses \
#      unencrypted username/password pairs for authentication.
service telnet
{
        disable = yes ------> no  .
        flags          = REUSE
        socket_type    = stream
        wait            = no
        user            = root
        server          = /usr/sbin/in.telnetd
        log_on_failure  += USERID
}

[root@test xinetd.d]# /etc/rc.d/init.d/xinetd restart
Stopping xinetd: [  OK  ]
Starting xinetd: [  OK  ]
[root@test xinetd.d]#

23 port Ȯ.

[root@somang /]# netstat -an | grep 23
tcp        0      0 0.0.0.0:23              0.0.0.0:*              LISTEN     
tcp        0      2 192.168.0.212:23        192.168.0.11:1574      ESTABLISHED
unix  2      [ ACC ]    STREAM    LISTENING    2343  /dev/gpmctl
unix  2      [ ]        DGRAM                    2346 
[root@somang /]#


securetty ⿡ pts/0 ~ pts/9 ߰.
  - /etc/securetty ⺻ .
console
vc/1
vc/2
vc/3
vc/4
vc/5
vc/6
vc/7
vc/8
vc/9
vc/10
vc/11
tty1
tty2
tty3
tty4
tty5
tty6
tty7
tty8
tty9
tty10
tty11

 - root login /etc/securetty

console
vc/1
vc/2
vc/3
vc/4
vc/5
vc/6
vc/7
vc/8
vc/9
vc/10
vc/11
tty1
tty2
tty3
tty4
tty5
tty6
tty7
tty8
tty9
tty10
tty11
pts/0
pts/1
pts/2
pts/3
pts/4
pts/5
pts/6
pts/7
pts/8
pts/9

 - xinetd .

[root@test xinetd.d]# /etc/rc.d/init.d/xinetd restart
Stopping xinetd: [  OK  ]
Starting xinetd: [  OK  ]
[root@test xinetd.d]#

  Ȯ

[root@test /]# telnet localhost
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
Red Hat Linux release 9 (Shrike)
Kernel 2.4.20-8 on an i686
login: root
Password:
Last login: Mon Apr  3 14:00:53 from 192.168.0.11
[root@test root]#

 
 

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