Other Posts Tagged "UDP"

Why Tailscale Uses a Relay: Direct Connections, DERP, and Peer Relays

2026-09-11 (Modified: 2026-09-12) — Written by SimeonOnSecurity — 7 min read

Find out why Tailscale uses a relay, read status and netcheck output, and decide whether a DERP or peer-relay connection needs troubleshooting.

Two laptops on separate islands exchange locked packets through a central relay while a direct path is interrupted.

#UDP #remote access #End-to-End Encryption

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Cisco CCNA (200-301): Network Fundamentals

2025-01-01 (Modified: 2026-06-28) — Written by SimeonOnSecurity — 3 min read

Master network fundamentals for the Cisco CCNA 200-301 exam. Learn network components, topologies, cabling, TCP and UDP, IPv4 and IPv6 addressing, wireless principles, and switching concepts.

A digital illustration of various network components including routers and switches, interconnected with vibrant lines on a dark background, representing a modern network topology.

#Cisco CCNA #200-301 #OSI model #TCP #UDP

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CompTIA A+ (220-1201): Networking Fundamentals

2025-01-01 (Modified: 2026-06-28) — Written by SimeonOnSecurity — 3 min read

Master networking for the CompTIA A+ 220-1201 Core 1 exam. Learn TCP and UDP ports, wireless technologies, networked host services, network hardware, SOHO configuration, and tools.

A digital illustration of a modern networking setup featuring routers, switches, and access points with colorful cables and wave signals on a dark background.

#CompTIA A+ #220-1201 #Networking #TCP #UDP

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Connection-Oriented vs Connectionless Communication

2023-07-02 (Modified: 2026-09-04) — Written by SimeonOnSecurity — 4 min read

Discover the variances between connection-oriented and connectionless communication, protocols, services, and routing methods in network communication.

An illustration showing two devices connected through a reliable and ordered connection.

#Communication #Networking #data transmission #TCP #UDP

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