“LAN Parties” Before Laptops and WiFi
Back in the day, people would gather to play networked games and “Geek Out.” This might also resemble some offices in the early days. It reminds me of “the old…
What is a secure web gateway (SWG)?
A secure web gateway (SWG) blocks or filters out harmful content and prevents data leakage. All employee Internet traffic passes through the SWG. What is a secure web gateway (SWG)?…
DNS amplification attack
DNS amplification is a DDoS attack that leverages DNS resolvers to overwhelm a victim with traffic. What is a DNS amplification attack? This DDoS attack is a reflection-based volumetric distributed…
What is time-to-live (TTL)? | TTL definition
What is time-to-live (TTL) in networking? Time to live (TTL) refers to the amount of time or “hops” that a packet is set to exist inside a network before being…
What is the Internet Control Message Protocol (ICMP)?
What is the Internet Control Message Protocol (ICMP)? The Internet Control Message Protocol (ICMP) is a network layer protocol used by network devices to diagnose network communication issues. ICMP is…
What is DNS? | How DNS works
DNS lets users connect to websites using domain names instead of IP addresses. Learn how DNS works. What is DNS? The Domain Name System (DNS) is the phonebook of the…
What is UDP?
A transport layer communication protocol, UDP is a very common protocol for voice and video traffic. What is the User Datagram Protocol (UDP/IP)? The User Datagram Protocol, or UDP, is…
SYN flood attack
An SYN flood exploits a TCP/IP handshake vulnerability in an attempt to disrupt a web service. What is an SYN flood attack? An SYN flood (half-open attack) is a denial-of-service…
What are IP & TCP?
The Internet Protocol (IP) is the address system of the Internet and has the core function of delivering packets of information from a source device to a target device. IP…
Telecommunications
Telecommunication transmits information through various types of technologies over the wire, radio, optical, or other electromagnetic systems. It originates in the desire of humans for communication over a distance greater…