OpenVPN UDP vs TCP: which one to use
Use OpenVPN UDP for everyday use and when your connection keeps dropping. Switch to OpenVPN TCP on strict Wi-Fi at work, school or a hotel, where it gets through more often but runs a little slower. UDP is free for guests; TCP comes with a free account.
UDP free for guests- TCP with a free account
- Built into the app
A trusted classic. Try it when your connection keeps dropping.
Works on strict Wi-Fi at work, school or hotels. A little slower.
How UDP and TCP move your data
Same encryption either way. What changes is how the packets travel, and what happens when one goes missing.
Packets go out without waiting for a reply. If one goes missing, the apps inside the tunnel sort it out. Less waiting, so it feels quicker.
Every packet is confirmed, and a lost one is sent again. Steadier on fussy networks, but all that checking makes it a little slower.
Most apps already use TCP. Run them inside an OpenVPN TCP tunnel and a lost packet gets resent twice, once by each layer. On a weak signal that adds up, which is why we suggest UDP first.
What is OpenVPN?
OpenVPN is one of the most widely used VPN protocols. It has been around far longer than WireGuard, a great many people have tested it, and it runs in two modes: UDP and TCP.
Tunnexa has OpenVPN built in, so there are no config files to import. If the server goes quiet, the app restarts the connection after about 30 seconds instead of leaving you waiting.
- Guests
- UDP
- Free, no account needed
- Free account
- TCP
- Sign in to add it
- Gone quiet
- 30 s
- Before the app restarts the link
OpenVPN UDP or TCP: the quick answer
|
OpenVPN UDP
|
OpenVPN TCP
|
|
|---|---|---|
| In the app | “A trusted classic. Try it when your connection keeps dropping.” | “Works on strict Wi-Fi at work, school or hotels. A little slower.” |
| Speed | Quicker, less waiting | A little slower |
| Weak or patchy signal | Copes well and keeps going | Can slow down as lost packets are resent |
| Strict Wi-Fi | More likely to be blocked | Gets through more often |
| Who can use it | Guests and free accounts | Free account |
Why OpenVPN TCP gets through strict Wi-Fi
Office, college and hotel networks often run tight firewalls. Many let ordinary web traffic through and drop most other things, including the UDP traffic that WireGuard and OpenVPN UDP rely on.
OpenVPN TCP travels the way web pages do, over TCP, so it has a better chance on those networks. It isn’t a disguise, though. A network that actively hunts for VPNs can still spot it, and then Stealth is the one to try.
Our guide to using a VPN on strict school and work Wi-Fi goes through it step by step. Whatever you pick, the network owner’s rules still apply.
How to switch to OpenVPN in Tunnexa
-
01
Install Tunnexa
Get Tunnexa free on Google Play. OpenVPN UDP works straight away, even as a guest.
-
02
Sign in for TCP
OpenVPN TCP needs a free account. Sign in with an email code, Google or Apple, at no cost.
-
03
Select and connect
Open Settings, tap Select Protocol, choose OpenVPN UDP or OpenVPN TCP, then Tap To Connect.
On an ordinary network? WireGuard is quicker for everyday use. Or compare all six VPN protocols.
OpenVPN questions
Something not covered here? Write to us at support@tunnexa.com.
Is OpenVPN UDP or TCP faster?
UDP. It doesn't wait for each packet to be confirmed, so there's less back and forth. TCP is a little slower, but it gets through strict networks more often.
When should I use OpenVPN TCP?
When a VPN won't connect on one particular network, usually strict Wi-Fi at an office, college or hotel. If UDP or WireGuard works, stay with them.
Is OpenVPN secure?
Yes. OpenVPN has been used and examined for a long time, and both modes use the same encryption. Choosing UDP or TCP only changes how the packets travel.
Can I use OpenVPN without an account?
OpenVPN UDP, yes. Guests get it along with WireGuard and Recommended. OpenVPN TCP needs a free account.
Should I use OpenVPN or WireGuard?
For everyday use, WireGuard. It's leaner and quicker. Reach for OpenVPN when a connection keeps dropping (UDP) or a strict network won't let WireGuard through (TCP).
Do I need the OpenVPN app on Android?
No. OpenVPN is built into Tunnexa, so you don't need a separate app or any config files.