Password protect Internet Explorer? Password Protect Firefox? Password Protect Netscape? Password Protect Outlook? Password protect any internet connection. You can use Internet Lock 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 from accessing 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. A rule normally has such format: [Allow/Deny/Password Protect] [Program] on [Port].

Internet Lock allow you to fully control the access to the internet for each program and each port, it also supports schedule feature. For example: the most use rule [Password Protect] [Any Program] on Port [80] will password protect all the web browsers included Internet Explorer, Firefox, Netscape, MyIE2 etc. This is because that all the web browsers will use port 80 to access internet.

Internet Lock version 4.0 provides the way to protect port range, you can use the new rule format "[Allow/Deny/Password Protect] [Program] on [Start Port] to [End Port]" to let the rule to protect all the ports in the range of the start port and end port.