Blog
What's new in TunnelHQ, and practical guides to keeping VPN servers up.
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Hysteria2Hysteria2 protocol explained: QUIC, auth, Brutal, Salamander
How Hysteria2 works, from the official docs: QUIC transport, HTTP/3 auth, Brutal vs BBR, Salamander, port hopping, the hysteria2:// URI and real checks.
ST Muntaha11 min read
October 2026: AI assistants, tunnel groups and sign-in by email
Connect Claude, ChatGPT, Cursor or VS Code by signing in, sort tunnels into groups, and sign in with a code we email you.
TunnelHQ team3 min read
September 2026: Uptime monitoring, heartbeats and 16 more alert channels
Website, keyword, ping and port checks in beta, heartbeats for scheduled jobs, DNS checks, expiry alerts and new places to send alerts.
TunnelHQ team3 min read
July and August 2026: better search, longer timelines and status at a glance
Ranked ⌘K search, health timelines up to 90 days, per-region results and live status counts above the tunnel list.
TunnelHQ team2 min read
WireGuardWhy WireGuard port monitoring misses real outages
A WireGuard server on UDP/51820 looks healthy to port monitors even when every client fails. What's happening on the wire — and how to catch it.
Mehmood Ali7 min read
OpenVPNOpenVPN: TLS key negotiation failed to occur within 60 seconds
You Googled the error. Monitoring says green. Users cannot connect. Eight things that actually cause it, ordered from most to least common.
Mehmood Ali7 min read
V2RayMonitoring V2Ray subscription URLs in production
Subscription URLs sound simple until you run a fleet. Stale caches, partial deliveries, dead servers in healthy bundles. A practical checklist.
T. Hussian7 min read