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 ...

The two most common transport layer protocols are the transmission control protocol (TCP) and the user datagram protocol (UDP). One of the main differences between the two protocols is reliability.

The Internet encryption protocol TLS – short for Transport Layer Security – is being fundamentally modified. Involved in attacks, researchers have contributed to revealing security gaps in the ...

The National Security Agency released a cybersecurity product Tuesday detailing how to detect and fix out-of-date encryption protocol implementations. Networks and systems that use deprecated forms of ...

I like to think of the transport layer as the layer of the OSI Model that enables more interesting traffic. While we network engineers may love a lot of the simpler uses of the IP protocol and ...

The popularity of wireless LANs is increasing as is the use of wireless internet access points, so the need for secure and encrypted e-mail exchanges is becoming more critical. While there are many ...

This excerpt is from CCIE Voice Exam Quick Reference Sheets (Digital Short Cut), by Mark Lewis and published by Cisco Press. ISBN-10: 1-58705-333-0 Read Mark Lewis’ blog for Cisco Subnet here. More ...

In the natural world, species that share the same ecosystem often compete for resources, resulting in the extinction of weaker competitors. A new computer model that describes the evolution of the ...