Only IP Numbers in syslog info

Under Slackware-3.1, network daemons like fingerd and telnetd only use IP numbers of hosts in the syslog.

How can I get hostname lookup from these daemons?
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duxConnect With a Mentor Commented:
Use a name server. In /etc/resolv.conf you should have something like this:
domanin _your_domain_
nameserver _IP_address_of_your_dns_

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