Tag: Network
6 posts
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[2026] FTP in Practice | Active & Passive Modes, FTPS, SFTP & Firewalls
FTP control and data channels, Active vs Passive, FTPS and SFTP compared, firewall and NAT issues—beginner operations guide to file transfer.
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[2026] HTTP: Complete Guide | HTTP/1.1, HTTP/2, HTTP/3, REST, HTTPS & Caching
HTTP requests and responses, methods and status codes, HTTP/2 multiplexing and HTTP/3 over QUIC, HTTPS, caching, and REST API design—2026 practical guide.
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[2026] SSH: Secure Remote Access | Keys, ProxyJump, Port Forwarding & OpenSSH
SSH key exchange and authentication, public key setup, ssh config, local and remote port forwarding, ProxyJump, SCP/SFTP, and hardening with OpenSSH.
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[2026] UDP in Practice | Low Latency, DNS, Games, Streaming & QUIC
Connectionless UDP: headers, checksums, ports, app-level reliability and ordering, and how HTTP/3 QUIC builds on UDP—realtime-focused guide.
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[2026] TCP: Complete Guide | Handshake, Flow & Congestion Control, Sockets
TCP connections, sliding windows, Reno/CUBIC congestion control, Nagle, TCP_NODELAY, keepalive—reliable transport and production socket tuning.
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[2026] WebRTC: Realtime Communication | Signaling, ICE, STUN/TURN, DTLS & SRTP
Browser P2P realtime: SDP signaling, ICE candidates, STUN and TURN, DTLS handshake, SRTP media—NAT traversal and security for production WebRTC.