$port=80;
$proto=getprotobyname('tcp');
socket(SOCKET,AF_INET,SOCK_STREAM,$proto) or die "no socket";
setsockopt(SOCKET,SOL_SOCKET,SO_RCVTIMEO,pack("LL",1,0));
$iadr = inet_aton("127.0.0.1");
$padr=sockaddr_in($port,$iadr);
if(connect(SOCKET,$padr)){
print "connection ok";}
else{print "$!\n";}