One should always try to disable all unwanted and unused daemons from running, both for security and performance.
Vendors ship most system with all the deamons enabled in /etc/inetd.conf Disable al the unused daemons. Some common daemons are: tftpd, bootpd, talkd, fingerd.
If /etc/inetd.conf is modified, remember to reset the inetd daemon with
# kill -HUP [PID]
also check the /etc/rc startup directories for any daemons that may be hinding in there.
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