Introducting the PortBlocker... NTW’s net-Lock Series, a premier Layer 1 Security solution tackles the security risks of open ports with the PortBlocker, a patented solution that secures from unauthorized port access and security breaches. The innovative design of the PortBlocker surpasses the conventional "one size (or key) fits all" design of its competitors and offers four unique and proprietary locks and keys for unparalleled security. Features: Four unique and proprietary locks and keys for...

Introducting the PortBlocker... NTW’s net-Lock Series, a premier Layer 1 Security solution tackles the security risks of open ports with the PortBlocker, a patented solution that secures from unauthorized port access and security breaches. The innovative design of the PortBlocker surpasses the conventional "one size (or key) fits all" design of its competitors and offers four unique and proprietary locks and keys for unparalleled security. Features: Four unique and proprietary locks and keys for...