Host name from IP address

[Hans Wolters]

Hi,


> I don't think I explained this properly.  I don't want to know the host 
> name (DNS), I want know the name that Nagios knows it by, from the 
> hosts.cfg file.

>> So if you are not looking to write a script, just use ping -a <IP> in
>> windows and that will reverse dns the IP for you.  Then just do a ctl +
>> f in the config files.

Within perl it is not to hard:

        $iaddr = inet_aton($ipnumber);
        $hostname = gethostbyaddr($iaddr, AF_INET);

Best regards,

Hans
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