Topic
How ForestVPN works, step by step
What happens between pressing connect and your first page loading: the handshake, the route, the sign-in number and what each part can see.
- October 29, 2026 · 9 minutes read
PersistentKeepalive: when WireGuard needs it
What PersistentKeepalive does, which peer sets it, why 25 seconds, and a lab run that shows inbound packets dying behind a NAT without it and arriving with it.
- October 29, 2026 · 9 minutes read
WireGuard MTU: what to set and why 1420
Why the WireGuard MTU default is 1420, how to find the real value on your path with a DF ping, and a lab run of what stalls when large packets are dropped.
- October 16, 2026 · 10 minutes read
IPv6 leak: how it happens and how to test
An IPv6 leak is IPv6 traffic that skips the tunnel. How it happens, how to test for one, and what our own phone run showed with the tunnel down and up.