monitoring functions

[Anon]

How do I get the IP/ DNS adress of every visitor to my site and also record the counts. Best would if everything will be timestamped to a log file.
I also see in this forum that whenever posts something, his IP or DNS appears. How does one do that.
Thanks.

[Anon]

RTFM:

Predefined Variables.
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$REMOTE_ADDR
The IP address from which the user is viewing the current page
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See also gethostbyaddr()