Part 1 of this article looks at low-level communications protocols, including PPP and Ethernet, and their specific security features and requirements.] Now that we have discussed the lower-level ...

JVM datagram sockets rely on the UDP transport layer protocol, while stream sockets use the TCP transport layer protocol. As shown in Figure 10-19, pJava 1.1.8 provides support for the client and ...

The numeric identification of the upper layer protocol that an IP packet should be sent to. The number is stored in the header that is prefixed to an IP packet. Note that the IP protocol number is ...

As a matter of fact, when I started writing this post I titled it “Layer 4 of the OSI Model – understanding the application layer,” and then I had to go back and correct myself.

Transport Layer Security (TLS) is the successor and it provides a base-level encryption. Usually, an email client, such as Gmail, while sending and receiving mails connects to an email server via TCP.

To properly address the security issues with transport layer security, experts say the best strategy is to be pragmatic. For example, it’s not important for a security engineer to know that the ...

In a regular protocol, the lower layer protocol encapsulates packets from the higher level protocol. For example, a network layer 3 packet encapsulates a transport layer 4 packet, and a data link ...

When people speak of voice over IP, just concentrating on IP may tend to oversimplify the process. IP is only a part of the requisite protocol stack. Going down the protocol stack (toward the ...

The National Security Agency (NSA) has shared guidance on how to detect and replace outdated Transport Layer Security (TLS) protocol versions with up to date and secure variants. The US ...

Fizz improves the newest version of the Transport Layer Security protocol, and by making it open source, Facebook is sharing this technology with the community at large where others can take ...