#VPN

news

ファイアウォールが認証を素通しに — PAN-OS の脆弱性 CVE-2026-0265 にJPCERTが注意喚起

Palo Alto Networks の PAN-OS に認証回避の脆弱性 CVE-2026-0265 が判明し JPCERT/CC が注意喚起。署名検証の不備で VPN ポータ...

explanation

IPsec Explained — Tunnel/Transport Modes and the IKE Key Exchange

IPsec is a family of protocols that encrypts and authenticates IP packets themselves at L3 — rather than the per-applica...

explanation

VPN Explained — IPsec, OpenVPN, and WireGuard Compared

A VPN (Virtual Private Network) is the umbrella term for virtually stretching an 'encrypted private line for us only' ov...

experiment

Visiting the Dark Web

I read up on what the dark web actually is, then used the Tor Browser to observe it firsthand.