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4 posts-
explanationWi-Fi (IEEE 802.11) Explained: Standards, Bands, and WPA
Wi-Fi shares the same MAC + EtherType + Payload frame format as Ethernet, but on the wireless side it faces a fundamenta...
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explanationIPsec Explained: Tunnel/Transport Modes and IKE
IPsec is a family of protocols that encrypts and authenticates IP packets themselves at L3, so — unlike TLS, which apps...
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explanationVPN Explained: IPsec, OpenVPN, and WireGuard Compared
A VPN (Virtual Private Network) is a technology that builds a virtual, encrypted private circuit on top of a public netw...
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explanationSSH Explained: Mechanism, Public-Key Auth, and Commands
SSH is the protocol for safely reaching another computer over a network. It replaced cleartext protocols like Telnet by...