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# the running INETD process, edit this file, then send the

# INETD process a SIGHUP signal.

# Version: @(#)/etc/inetd.conf 3.10 05/27/93

# Authors: Original taken from BSD UNIX 4.3/TAHOE.

# Fred N. van Kempen, <[email protected]>

# Modified for Debian Linux by Ian A. Murdock <[email protected]>

# Echo, discard, daytime, and chargen are used primarily for testing.

# To re−read this file after changes, just do a 'killall −HUP inetd'

#echo stream tcp nowait root internal

#echo dgram udp wait root internal

#discard stream tcp nowait root internal

#discard dgram udp wait root internal

#daytime stream tcp nowait root internal

#daytime dgram udp wait root internal

#chargen stream tcp nowait root internal

#chargen dgram udp wait root internal

time stream tcp nowait root internal

# These are standard services.

#ftp stream tcp nowait root /usr/sbin/tcpd in.ftpd −l −a

#telnet stream tcp nowait root /usr/sbin/tcpd in.telnetd

# Shell, login, exec, comsat and talk are BSD protocols.

#shell stream tcp nowait root /usr/sbin/tcpd in.rshd

#login stream tcp nowait root /usr/sbin/tcpd in.rlogind

#exec stream tcp nowait root /usr/sbin/tcpd in.rexecd

#comsat dgram udp wait root /usr/sbin/tcpd in.comsat

#talk dgram udp wait root /usr/sbin/tcpd in.talkd

#ntalk dgram udp wait root /usr/sbin/tcpd in.ntalkd

#dtalk stream tcp wait nobody /usr/sbin/tcpd in.dtalkd

# Pop and imap mail services et al

#pop−2 stream tcp nowait root /usr/sbin/tcpd ipop2d

pop−3 stream tcp nowait root /usr/sbin/tcpd ipop3d

#imap stream tcp nowait root /usr/sbin/tcpd imapd

# The Internet UUCP service.

#uucp stream tcp nowait uucp /usr/sbin/tcpd /usr/lib/uucp/uucico −l

<snip>

The above example has two services enabled: time and pop3. To disable these, all we need is to open the file

with a text editor, comment out the two services with a "#", save the file, and then restart inetd (as root):

# /etc/rc.d/init.d/inetd restart

Security Quick−Start HOWTO for Red Hat Linux

3.3.2. Inetd 12

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Red Hat NETSCAPE MANAGEMENT SYSTEM 6.2 - COMMAND-LINE Guida di Installazione Pagina 15