[CentOS] xinetd custom service - perl - remote address

Thu May 28 16:12:00 UTC 2020
Simon Matter <simon.matter at invoca.ch>

> Hi all,
> I can't believe that I can't find the answer to this one.  I have a perl
> script which is called by xinetd.
> I want that perl script to be able to detect the remote IP address of the
> caller.
> I presumed that it would be an environment variable but I could be wrong.
> I've found reference to the ENV and PASSENV arguments for xinetd.conf but
> no examples, and no indication of what auguments to use.
> In my script I have the following code:
> foreach (keys %ENV) { print "$_=$ENV{$_}\n";}
> but the only line I get back is:

The variable you may want is REMOTE_HOST, at least that's what I see on a
host of mine.