Please use the format:<br>https://ipv4.tunnelbroker.net/ipv4_end.php?ipv4b=$IPV4ADDR&pass=$MD5PASS&user_id=$USERID&tunnel_id=$GTUNID<br><br>
WHERE:<br />
$IPV4ADDR = The new IPv4 Endpoint<ul><li>set ipv4b='AUTO' if you want to set the variable to the requesting client's IP address.</li><li>set ipv4b='your_public_ipv4_address' if you want to manully provide the address.</ul>
$MD5PASS  = The MD5 Hash of your password<ul><li>Try <b>echo -n 'yourpassword' | md5sum</b> if you need to produce the MD5 Hash of your password</li></ul>
$USERID   = The UserID from the main page of the tunnelbroker (not your username)<br />
$GTUNID   = The Global Tunnel ID from the tunnel_details page<br />