UbuntuでTelnetサーバを構成する
1947 ワード
1. linux
Linux inetd(InterNET services Daemon), Internet , 。 inetd , inetd 。 , inetd /etc/inetd.conf 。inetd , TCP UDP , ,inetd 。 inetd ,inetd tcpd 。tcpd host.{allow,deny} 。 ( :ftpd、 telnet) 。 TCP_Wrapper。
xinetd(eXended InterNET services Daemon) inetd+tcp_wrapper , 。 Linux xinetd inetd, 、 , Linux Internet 。 xinetd :FTP、IMAP、POP telnet 。/etc/services , xinetd , ,xinetd , , , ,xinetd , sleep , 。
2.
1、$sudo apt-get install xinetd telnetd
2、$sudo vim /etc/inetd.conf :
telnet stream tcp nowait telnetd /usr/sbin/tcpd /usr/sbin/in.telnetd
3、$sudo vim /etc/xinetd.conf :
# Simple configuration file for xinetd
# Some defaults, and include /etc/xinetd.d/
defaults
{
# Please note that you need a log_type line to be able to use log_on_success
# and log_on_failure. The default is the following :
# log_type = SYSLOG daemon info
instances = 60
log_type = SYSLOG authpriv
log_on_success = HOST PID
log_on_failure = HOST
cps = 25 30
}
includedir /etc/xinetd.d
4、$sudo vim /etc/xinetd.d/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
}
5、 $sudo /etc/init.d/xinetd restart
6、 ( telent Ubuntu )
: TELNET (putty )
:XP dos( → →cmd) , telnet, open Ubuntu IP ( :open 192.168.7.106)