OpenVPN 3.0.2 (894) and iOS12 - not working

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Curval1230
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OpenVPN 3.0.2 (894) and iOS12 - not working

Post by Curval1230 » Fri Oct 05, 2018 4:04 pm

I'm running OpenVPN on a Ubuntu 18.04 LTS Server, Protocoll TCP on Port 443.
Connecting from a Windows Client works fine - connecting with my iOS12 Devices doesn't work.

I get the VPN indicator that it is connected to the vpn - but there is no traffic over the tunnel.
The problem started with upgrading the client app to 3.0.2.
Checking the logs, i couldn't see any errors oder indications, what causes the problem.

I'm runnung the openVPN Server now for years without a problem.

Any idea?

Regards Michael

cbx
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Re: OpenVPN 3.0.2 (894) and iOS12 - not working

Post by cbx » Mon Oct 08, 2018 4:39 am

This is probably related to "Disabled "Compression" by default (because it is insecure)" line in 3.0.2 changelog: https://itunes.apple.com/us/app/openvpn ... 79981?mt=8 (see "Version History")

The client has an option to enable/disable compression, but it doesn't help.

What helps is to disable compression in the server config. For me it was these two lines:

Code: Select all

# compress lz4-v2
# push "compress lz4-v2"
I created a ticket for this issue: https://community.openvpn.net/openvpn/ticket/1126

darksky
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Re: OpenVPN 3.0.2 (894) and iOS12 - not working

Post by darksky » Wed Oct 17, 2018 9:51 pm

Possible to make this a sticky? Chasing this down cost me 2 hours of my afternoon :D

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TinCanTech
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Re: OpenVPN 3.0.2 (894) and iOS12 - not working

Post by TinCanTech » Wed Oct 17, 2018 9:53 pm

Things like VORACLE should probably be "Announcements" .. but who do we complain to ?

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ecrist
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Re: OpenVPN 3.0.2 (894) and iOS12 - not working

Post by ecrist » Thu Oct 18, 2018 12:20 pm

darksky wrote:
Wed Oct 17, 2018 9:51 pm
Possible to make this a sticky? Chasing this down cost me 2 hours of my afternoon :D
Ask and ye shall receive!
OpenVPN Community Administrator
IRC: #openvpn, #openvpn-devel Twitter: @ecrist
Co-Author of Mastering OpenVPN
Author of Troubleshooting OpenVPN

ClemFM
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Re: OpenVPN 3.0.2 (894) and iOS12 - not working

Post by ClemFM » Thu Nov 01, 2018 10:53 pm

cbx wrote:
Mon Oct 08, 2018 4:39 am
This is probably related to "Disabled "Compression" by default (because it is insecure)" line in 3.0.2 changelog: https://itunes.apple.com/us/app/openvpn ... 79981?mt=8 (see "Version History")

The client has an option to enable/disable compression, but it doesn't help.

What helps is to disable compression in the server config. For me it was these two lines:

Code: Select all

# compress lz4-v2
# push "compress lz4-v2"
I created a ticket for this issue: https://community.openvpn.net/openvpn/ticket/1126
This solution has not worked for me :cry:

jafree
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Re: OpenVPN 3.0.2 (894) and iOS12 - not working

Post by jafree » Thu Dec 13, 2018 9:20 am

Is there going to be a fix for this? It's really annoying that my iOS devices no longer work because they can't support compression. I tried the compression setting in the app and as was noted here, it does nothing.

NJL
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Re: OpenVPN 3.0.2 (894) and iOS12 - not working

Post by NJL » Wed Dec 19, 2018 7:30 am

Thank you. Perhaps it's my misunderstanding of OpenVPN or how pivpn configures things - I also needed to update all my client configs which is slightly painful.

Yanikdude
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Re: OpenVPN 3.0.2 (894) and iOS12 - not working

Post by Yanikdude » Fri Jan 11, 2019 2:24 pm

I have the same issue with my iPhone 6s on iOS 12.1.2 - No compression. Have tried enabling on the server (QNAP) and App. Still not working

Same cert,confgi, user and pass work perfecting on my old iPad - it uses the old app.

be great if this could be fixed.

hagensieker
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Re: OpenVPN 3.0.2 (894) and iOS12 - not working

Post by hagensieker » Sun Feb 03, 2019 12:15 pm

I just noticed my OpenVPN connect wasn't working on iPhone where I have auto updates and 3.0.2. I can only NOT connect from my iPhone. Both my iPads and Mac and Linux computers connect flawlessly. Been using it for years and love it. My OpenVPN is set up on pfSense.

In the interim until this get straightened out I just made an IPSec VPN but make no mistake I'll go back to my OpenVPN server when this gets sorted out.

My IPsec config
https://www.hagensieker.com/wordpress/2019/02/03/ipsec-vpn-on-pfsense-to-replace-openvpn-connect-on-ios/

shodan3
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Re: OpenVPN 3.0.2 (894) and iOS12 - not working

Post by shodan3 » Sun Feb 17, 2019 6:03 pm

I got it working by going into the client and enabling AES-CBC cipher algorithm on the ios open vpn client.

Yanikdude
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Re: OpenVPN 3.0.2 (894) and iOS12 - not working

Post by Yanikdude » Mon Feb 18, 2019 5:20 pm

TO update: Still broken, no compression ever used and tried the above suggestions.

hata
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Re: OpenVPN 3.0.2 (894) and iOS12 - not working

Post by hata » Mon Mar 11, 2019 4:49 pm

I have my OpenVPN server which is set up with compress lz4-v2.

I got stuck on this problem, too.

My solution was just setting the "Allow Compression (insecure)" from "NO (default)" to "FULL".
(The other settings are left as the defaults.)

a6115117
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Re: OpenVPN 3.0.2 (894) and iOS12 - not working

Post by a6115117 » Wed Mar 27, 2019 10:32 am

Does anyone know the error?

I could connect on my Windows and transfer the traffic. But on the iPhone, I can only connect but only several bytes of traffic at the beginning of the connection, then I cannot see the traffic.

What's weird is I can use the ssh connection (which is an app) in iPhone when the VPN is connected.

I have tried every option about the compression button, which does not work.

Please give me some hints for this issue.

Yanikdude
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Re: OpenVPN 3.0.2 (894) and iOS12 - not working

Post by Yanikdude » Thu Apr 04, 2019 8:31 am

Ive fixed it!!!!

So, fed up with no movement here so downloaded Passpartout VPN client. I have a separate .ca file and there is a simple workaround here https://passepartoutvpn.app/faq/#the-configuration-file-contains-an-unsupported-option-external-file. copy all of the .ca contents into the .opvn file between the ....

My VPN to my QNAP now works perfectly.

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TinCanTech
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Re: OpenVPN 3.0.2 (894) and iOS12 - not working

Post by TinCanTech » Thu Apr 04, 2019 12:32 pm

Yanikdude wrote:
Thu Apr 04, 2019 8:31 am
fed up with no movement here so downloaded Passpartout VPN client
This is what happens when you hijack a thread which has already been answered and solved.

Your solution has nothing to do with compression.

In future, please start your own thread and include these details

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