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[GH-ISSUE #142] SSL Linux Client #113

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opened 2026-05-05 05:17:56 -06:00 by gitea-mirror · 5 comments

gitea-mirror commented

2026-05-05 05:17:56 -06:00

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Originally created by @EliterScripts on GitHub (Oct 4, 2018).
Original GitHub issue: https://github.com/debauchee/barrier/issues/142

Operating Systems

Server: Windows 10

Client: Ubuntu 16.04.4 LTS

Barrier Version

2.2.0-snapshot-53ebc47a (client I am using)

Steps to reproduce bug

READ ME, DELETE ME: Try to be succinct. If your bug is intermittent, try and describe what you're doing when it happens most.

Download/install Barrier on Windows
run barrier server on Windows
Download Barrier on Linux from Github, build it using instructions found online
Go to barrier/bin/ and type "./barrier" to bring up the GUI
Connect the client to the server
Watch the logs say that there is a violation of SSL protocol: http://paste.debian.net/1045801/

Other info

When I used Linux as the client instead of the server
Is there a way to work around it? ANSWER: no
Does this bug prevent you from using Barrier entirely? Yes

So it works when I use Ubuntu as the server and connect a Windows 10 client to it. However, it stops working when I connect a Windows barrier server to the Linux client. I have also tried removing the SSL fingerprints folder and PEM file entirely at ~/.local/share/barrier/SSL/Barrier.pem and ~/.local/share/barrier/SSL/FingerPrints/ . I have also tried making sure OpenSSL (through apt repository) is up-to-date, and python/python3 openssl package. I have tried doing it both unencrypted and encrypted.

I ran "sudo tcpdump -i wlo1 'port 24800'" and saw absolutely nothing encrypted, it was all plaintext. I have also tried running as root.

I'm running on a Ubuntu Live Disk, if that helps any. I've ran several commands, just trying to get it to work, so I figure it might help out understanding how I built the software. Here's the link: http://paste.debian.net/1045806/ .

Originally created by @EliterScripts on GitHub (Oct 4, 2018). Original GitHub issue: https://github.com/debauchee/barrier/issues/142 ### Operating Systems ### Server: Windows 10 Client: Ubuntu 16.04.4 LTS ### Barrier Version ### 2.2.0-snapshot-53ebc47a (client I am using) ### Steps to reproduce bug ### **READ ME, DELETE ME**: Try to be succinct. If your bug is intermittent, try and describe what you're doing when it happens most. 1. Download/install Barrier on Windows 2. run barrier server on Windows 3. Download Barrier on Linux from Github, build it using instructions found online 4. Go to barrier/bin/ and type "./barrier" to bring up the GUI 5. Connect the client to the server 6. Watch the logs say that there is a violation of SSL protocol: http://paste.debian.net/1045801/ ### Other info ### * When I used Linux as the client instead of the server * Is there a way to work around it? ANSWER: no * Does this bug prevent you from using Barrier entirely? Yes So it works when I use Ubuntu as the server and connect a Windows 10 client to it. However, it stops working when I connect a Windows barrier server to the Linux client. I have also tried removing the SSL fingerprints folder and PEM file entirely at ~/.local/share/barrier/SSL/Barrier.pem and ~/.local/share/barrier/SSL/FingerPrints/ . I have also tried making sure OpenSSL (through apt repository) is up-to-date, and python/python3 openssl package. I have tried doing it both unencrypted and encrypted. I ran "sudo tcpdump -i wlo1 'port 24800'" and saw absolutely nothing encrypted, it was all plaintext. I have also tried running as root. I'm running on a Ubuntu Live Disk, if that helps any. I've ran several commands, just trying to get it to work, so I figure it might help out understanding how I built the software. Here's the link: http://paste.debian.net/1045806/ .

gitea-mirror closed this issue

2026-05-05 05:17:58 -06:00

gitea-mirror commented

2026-05-05 05:18:01 -06:00

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@AdrianKoshka commented on GitHub (Oct 4, 2018):

Apparently this bug is caused when one side has SSL enabled but the other doesn't.

@AdrianKoshka commented on GitHub (Oct 4, 2018): Apparently this bug is caused when one side has SSL enabled but the other doesn't.

gitea-mirror commented

2026-05-05 05:18:02 -06:00

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@AdrianKoshka commented on GitHub (Oct 4, 2018):

I'll close this, feel free to open it again if it doesn't solve the problem.

@AdrianKoshka commented on GitHub (Oct 4, 2018): I'll close this, feel free to open it again if it doesn't solve the problem.

gitea-mirror commented

2026-05-05 05:18:05 -06:00

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@EliterScripts commented on GitHub (Oct 4, 2018):

No, we have tried it with an without SSL, on both sides--client and server.

@EliterScripts commented on GitHub (Oct 4, 2018): No, we have tried it with an without SSL, on both sides--client and server.

gitea-mirror commented

2026-05-05 05:18:08 -06:00

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@ovakisan commented on GitHub (Nov 7, 2018):

It is Windows Firewall problem, just had same issue and you need to add rule to Allow program - barriers.exe. Having just barrier.exe as allowed is not enough.

@ovakisan commented on GitHub (Nov 7, 2018): It is Windows Firewall problem, just had same issue and you need to add rule to Allow program - barriers.exe. Having just barrier.exe as allowed is not enough.

gitea-mirror commented

2026-05-05 05:18:11 -06:00

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Owner

@rfcomp commented on GitHub (Apr 12, 2022):

It is Windows Firewall problem, just had same issue and you need to add rule to Allow program - barriers.exe. Having just barrier.exe as allowed is not enough.

I am glad you mentioned that; when I went to add the program to the exception, it was already there but had the name "Open Source KVM software"

@rfcomp commented on GitHub (Apr 12, 2022): > It is Windows Firewall problem, just had same issue and you need to add rule to Allow program - barriers.exe. Having just barrier.exe as allowed is not enough. I am glad you mentioned that; when I went to add the program to the exception, it was already there but had the name "Open Source KVM software"

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