Internet Lock can be used to password protect the
internet access. You also can use Internet Lock to deny access to any
TCP port, or prevent any program from accessing internet.Internet Lock
is an access control
and password protection software for your Internet
and intranet connections, it can deny or password protect any program to
access the Internet/intranet on any TCP/IP port. Internet Lock works
with the "RULES" mode: you can add one or more rules to the software to
control its works.