OpenVPN on Android - what's the fastest way to get connected?

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shaglord
Posts: 11
Joined: Tue Feb 17, 2015 6:34 am

OpenVPN on Android - what's the fastest way to get connected?

Post by shaglord » Wed Aug 23, 2023 12:35 am

Hey fellas

I just got an A13 phone where L2TP is missing. The second best option is going to be OpenVPN.

The reason I've never transitioned over to OpenVPN is because of the hassle of adding a profile. Alternatives just take 60 seconds to add the profile and boom.

I'm wondering. What's the easiest/fastest way to get an OpenVPN profile into a phone if you're out and about? I don't have a computer nearby running SE Manager. I just have a SE server with OpenVPN enabled on the listening ports.

Does SE support adding OpenVPN profiles with url?

Before anyone suggests to prepare all the profile files in a cloud or something, consider that you've got like 10 LAN networks that all have SE running. At the time of server setup, openvpn wasn't a concern until a year later when you just happen to need to connect from the road.

Thanks!

solo
Posts: 1192
Joined: Sun Feb 14, 2021 10:31 am

Re: OpenVPN on Android - what's the fastest way to get connected?

Post by solo » Wed Aug 23, 2023 7:30 am

shaglord wrote:
Wed Aug 23, 2023 12:35 am
Before anyone suggests to prepare all the profile files in a cloud or something, consider that you've got like 10 LAN networks that all have SE running.
Prepare 10 per-network profiles in a cloud. Since "auth-user-pass" authentication is used, you don't need per-user profiles.

shakibamoshiri
Posts: 284
Joined: Wed Dec 28, 2022 9:10 pm

Re: OpenVPN on Android - what's the fastest way to get connected?

Post by shakibamoshiri » Thu Aug 24, 2023 2:06 pm

shaglord wrote:
Wed Aug 23, 2023 12:35 am
Hey fellas

I just got an A13 phone where L2TP is missing. The second best option is going to be OpenVPN.

The reason I've never transitioned over to OpenVPN is because of the hassle of adding a profile. Alternatives just take 60 seconds to add the profile and boom.

I'm wondering. What's the easiest/fastest way to get an OpenVPN profile into a phone if you're out and about? I don't have a computer nearby running SE Manager. I just have a SE server with OpenVPN enabled on the listening ports.

Does SE support adding OpenVPN profiles with url?

Before anyone suggests to prepare all the profile files in a cloud or something, consider that you've got like 10 LAN networks that all have SE running. At the time of server setup, openvpn wasn't a concern until a year later when you just happen to need to connect from the road.

Thanks!
The L2TP is faster than OpenVPN and if the OS dropped L2TP , then IKEv2 is faster than OpenVPN
if you cannot use IKEv2, then the easiest way with OpenVPN is to use it with "Certificate Authentication" (nopass)

With SE dev version you can create
- a user
- set pass and date
- then generate a self-signed cert for a specific user
- load the cert for that user
- generate the final "ovpn" file
- give it to a user (send a link to a messenger or even text it)
- load to OpenVPN client (no username or pass is needed)
- done

A URL profile is another alternative, but I tested once, did not work.

hint
it should be scripted

shaglord
Posts: 11
Joined: Tue Feb 17, 2015 6:34 am

Re: OpenVPN on Android - what's the fastest way to get connected?

Post by shaglord » Thu Aug 24, 2023 10:42 pm

What about alternative android apps? Have you had any positive experience?

I remember using an SSTP app but the connection was very ustable at best.

shakibamoshiri
Posts: 284
Joined: Wed Dec 28, 2022 9:10 pm

Re: OpenVPN on Android - what's the fastest way to get connected?

Post by shakibamoshiri » Fri Aug 25, 2023 6:22 am

which app is the best, mostly depends on the condition you are in

as general rule of thumps
- UDP is faster than TCP (e.g OpenVPN > SSTP)
- Less encryption layer is faster than more encryption layer (L2TP > OpenVPN)
- VPN server architecture (WireGuard > SoftEther)
- VPN server location, the closer to the client the faster
- VPN server machine inet link, the nigher the faster (Hetzner 10X > OVH 1x)
- newer devices are faster than old devices


SSTP is good when other protocols are blocked by ISPs, governments, etc,
and specifically about SSTP app for SoftEther is good when the ISP net is stable, otherwise it disconnects too much + you cannot use self-signed certificate with SSTP, it should be a valid one
Also I tested (when ISP net is stable) SSTP app with SoftEther (TCP) was faster than OpenConnect app (UDP)
Last edited by shakibamoshiri on Sun Aug 27, 2023 8:56 am, edited 1 time in total.

shaglord
Posts: 11
Joined: Tue Feb 17, 2015 6:34 am

Re: OpenVPN on Android - what's the fastest way to get connected?

Post by shaglord » Sun Aug 27, 2023 1:09 am

I didn't think of that. Running L2TP from android app. I wonder which... hmm.

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