Want script to refuse selected browsers/dns..

Hi,
We are looking for a script that we can use to prevent people browsing in from our competitor's companies from seeing our web site. I know we can't prevent the same people from browsing in from home accounts, but we must do what we can. We'll be using a unix server, and can take it in perl. The first reply with a URL to a good, cheap script to download will get the 50 points, so long as it ends up working as advertised.
retromanAsked:
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jhanceCommented:
#!/usr/bin/perl

print "Location: ";

# Look for their hostname or IP address
if (($ENV{"REMOTE_HOST"} eq "www.competitor.com") ||
    ($ENV{"REMOTE_ADDR"} eq "192.168.0.10")){
        print "http://www.myhost.com/sorry_scumbag\n\n";
}
else{
        print "http://www.myhost.com/welcome\n\n";
}



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ozoCommented:
Or to prevent someone from going directly to http://www.myhost.com/welcome,
you might even try:

#!/usr/bin/perl
if( $ENV{"REMOTE_HOST"} eq "www.competitor.com") || ($ENV{"REMOTE_ADDR"} eq "192.168.0.10" ){
        open(F,"<sorry_scumbag")
}else{
        open(F,"<welcome")
}
print <F>;
close F;


(which doesn't prevent competitor.com from going through a relay,
but you do what you can)
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retromanAuthor Commented:
THese both look good, but then I'm a gaper anyways. How would I modify it to prevent competitor1, competitor2, and competitor3 from accessing, and what is the difference between the two?
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retromanAuthor Commented:
I'll use this one for another one of my sites. Unfortunately for me, my boss changed his mind and decided we didn't need this feature....
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