VPN and Proxy
7 questions
What VPN protocols are there?
•WireGuard — modern, fast.
•OpenVPN — proven, flexible.
•IKEv2 — good for mobile devices.
•PPTP — outdated, insecure.
•Recommended: WireGuard.
Which VPN to choose?
•Paid ones are more reliable than free.
•NordVPN, ExpressVPN, Mullvad.
•Check logging policies.
•Speed depends on the server.
•Own server: WireGuard + VPS.
How to set up VPN on a router?
•The router must support a VPN client.
•OpenWrt, DD-WRT expand capabilities.
•All network traffic through VPN.
•Speed reduction on weak routers.
•Split tunneling for selective traffic.
VPN and proxies: how to choose a VPN protocol for tasks (speed/mobility/security)?
Start with requirements on the topic «VPN and proxies»: what should work, what are the limitations regarding budget/performance/security. Then choose a solution.
VPN and proxies: how to set up split tunneling and exceptions for applications?
Practice for «VPN and proxies»: create a checklist (installation, configuration, backup, updates) and go through it once — this reduces the number of «mystical» problems.
VPN and proxies: how to check DNS/WebRTC leaks and properly configure DNS?
Answer on «VPN and proxies»: updates and backups are more important than fine-tuning. Automate backups and enable 2FA.
VPN and proxies: why VPN does not work and how to diagnose?
For «VPN and proxies» it is useful: to find the original source (documentation, release notes) and reproduce the problem with a minimal example.