A maximum transmission unit (MTU) is the largest packet or frame size, specified in octets (eight-bit bytes) that can be sent in a packet- or frame-based network such as the internet. The internet’s transmission control protocol (TCP) uses the MTU to determine the maximum size of each packet in any transmission. MTU is usually associated with … Continue reading MTU & MSS Explained.
Virtual Private Networks (VPNs) provides a secure tunnel across a public (and thus, insecure) network. This provides a mechanism for organizations to connect users and offices together, without the high costs of dedicated leased lines. VPNs are most often used across the Internet, the world’s largest public network, providing users with access to email, documents, … Continue reading Overview of IPSEC VPN