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print "What IP address do you want to allow ssh logins from? ";
$_ = <>;
length($allowed_ipaddr) or die "Sorry, '$_' is not a valid IP addr
$allowed_ipaddr = inet_ntoa($allowed_ipaddr); # convert to dotted
+quad, if necessary.
print " You have authorized the host with IP address $allowed_ipad
+dr to log in via ssh.\n";
Throwing nuclear weapons into the sun
Making everybody on Earth disappear
A threat from an alien with a mighty robot
A new technology or communications medium
Providing a magic fish to a Miss Universe
Establishing a Group mind
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