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[GH-ISSUE #673] Unable to connect to windows 10 host on Ubuntu 20.04 client #534

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opened 2026-05-05 06:37:17 -06:00 by gitea-mirror · 5 comments

gitea-mirror commented

2026-05-05 06:37:17 -06:00

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Originally created by @GuineaPig352 on GitHub (May 17, 2020).
Original GitHub issue: https://github.com/debauchee/barrier/issues/673

Server: Windows 10
Client ubuntu 20.04

Version 2.3.2-snapshot-210c2b70

The bug occurs all the time. I know I'm doing something wrong, I just don't know what. on ubuntu I attempt to connect but it just says its starting. when I check the log it says connection timed out over and over again. I've tried certain commands other reports of similar errors like:

nc -vz 192.168.56.1 24800 (when typed in it takes a while and says connection timed out.)
Test-NetConnection -Port 24800 -ComputerName localhost -InformationLevel Detailed (on the windows box this says unable to connect and at the bottom of PowerShell it says it failed.)

I don't know what else to do. if any more information is needed just ask and you shall receive.

it started to occur right out the gate, I have found no workaround. it does prevent me from using it entirely. I followed the guide about adding barrier to the windows firewall. that made no difference. I have a sonic wall if that sheds light on any possible issues. I've tried to go into my other os on the Linux machine. so both pcs were windows 10. they both said barrier is running. both were allowed through the firewall. yet when I tried to move my mouse to the other screen it didn't work. I even added the screen in the configure server giving its screen name and that had no difference. if I need to send screenshots I will happily do so I just want this resolved.

Put anything else you can think of here.

Originally created by @GuineaPig352 on GitHub (May 17, 2020). Original GitHub issue: https://github.com/debauchee/barrier/issues/673 Server: Windows 10 Client ubuntu 20.04 Version 2.3.2-snapshot-210c2b70 The bug occurs all the time. I know I'm doing something wrong, I just don't know what. on ubuntu I attempt to connect but it just says its starting. when I check the log it says connection timed out over and over again. I've tried certain commands other reports of similar errors like: nc -vz 192.168.56.1 24800 (when typed in it takes a while and says connection timed out.) Test-NetConnection -Port 24800 -ComputerName localhost -InformationLevel Detailed (on the windows box this says unable to connect and at the bottom of PowerShell it says it failed.) I don't know what else to do. if any more information is needed just ask and you shall receive. it started to occur right out the gate, I have found no workaround. it does prevent me from using it entirely. I followed the guide about adding barrier to the windows firewall. that made no difference. I have a sonic wall if that sheds light on any possible issues. I've tried to go into my other os on the Linux machine. so both pcs were windows 10. they both said barrier is running. both were allowed through the firewall. yet when I tried to move my mouse to the other screen it didn't work. I even added the screen in the configure server giving its screen name and that had no difference. if I need to send screenshots I will happily do so I just want this resolved. Put anything else you can think of here.

gitea-mirror closed this issue

2026-05-05 06:37:19 -06:00

gitea-mirror commented

2026-05-05 06:37:22 -06:00

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@simons-public commented on GitHub (May 17, 2020):

@GuineaPig352 can you post the logs (set to at INFO) from the Win10 server?

@simons-public commented on GitHub (May 17, 2020): @GuineaPig352 can you post the logs (set to at INFO) from the Win10 server?

gitea-mirror commented

2026-05-05 06:37:24 -06:00

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@GuineaPig352 commented on GitHub (May 18, 2020):

sure

[2020-05-18T09:59:05] INFO: starting server
[2020-05-18T09:59:05] INFO: config file: C:/Users/marma/AppData/Local/Temp/Barrier.aiIwUT
[2020-05-18T09:59:05] INFO: log level: INFO
[2020-05-18T09:59:05] INFO: service command updated
[2020-05-18T09:59:05] INFO: service command updated
[2020-05-18T09:59:06] INFO: got ipc shutdown message
[2020-05-18T09:59:06] NOTE: stopped server
[2020-05-18T09:59:07] INFO: process 14088 was shutdown gracefully
[2020-05-18T09:59:07] INFO: starting new process as privileged user
[2020-05-18T09:59:07] INFO: drag and drop enabled
[2020-05-18T09:59:07] ERROR: failed to get desktop path, no drop target available, error=2
[2020-05-18T09:59:07] NOTE: started server (IPv4/IPv6), waiting for clients
[2020-05-18T09:59:07] INFO: server status: active

sorry I was asleep and I got school work for the day but I shall try my best

@GuineaPig352 commented on GitHub (May 18, 2020): sure [2020-05-18T09:59:05] INFO: starting server [2020-05-18T09:59:05] INFO: config file: C:/Users/marma/AppData/Local/Temp/Barrier.aiIwUT [2020-05-18T09:59:05] INFO: log level: INFO [2020-05-18T09:59:05] INFO: service command updated [2020-05-18T09:59:05] INFO: service command updated [2020-05-18T09:59:06] INFO: got ipc shutdown message [2020-05-18T09:59:06] NOTE: stopped server [2020-05-18T09:59:07] INFO: process 14088 was shutdown gracefully [2020-05-18T09:59:07] INFO: starting new process as privileged user [2020-05-18T09:59:07] INFO: drag and drop enabled [2020-05-18T09:59:07] ERROR: failed to get desktop path, no drop target available, error=2 [2020-05-18T09:59:07] NOTE: started server (IPv4/IPv6), waiting for clients [2020-05-18T09:59:07] INFO: server status: active sorry I was asleep and I got school work for the day but I shall try my best

gitea-mirror commented

2026-05-05 06:37:25 -06:00

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@nikatjef commented on GitHub (May 21, 2020):

Greetings,

By default Win10 starts up a firewall and the firewall does not recognize Synergy, and by extension Barrier. As such, it does not open the correct inbound port by default. I know you said you followed the instructions, but I would recommend look closer at your Win10 firewall.

Also, you state that you have a SonicWall, it should not be seeing any of this traffic unless your two systems are on different subnets... and if they are, you may need to ensure that the ports are open on the SonicWall.

@nikatjef commented on GitHub (May 21, 2020): Greetings, By default Win10 starts up a firewall and the firewall does not recognize Synergy, and by extension Barrier. As such, it does not open the correct inbound port by default. I know you said you followed the instructions, but I would recommend look closer at your Win10 firewall. Also, you state that you have a SonicWall, it should not be seeing any of this traffic unless your two systems are on different subnets... and if they are, you may need to ensure that the ports are open on the SonicWall.

gitea-mirror commented

2026-05-05 06:37:27 -06:00

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@GuineaPig352 commented on GitHub (May 21, 2020):

I would like to apologise gentlemen. the reason it wasn't working was that the port was one number lower on the windows server. I don't know how that happened but it did. it works on everything now. os I can confirm the firewall had nothing to do with it.

@GuineaPig352 commented on GitHub (May 21, 2020): I would like to apologise gentlemen. the reason it wasn't working was that the port was one number lower on the windows server. I don't know how that happened but it did. it works on everything now. os I can confirm the firewall had nothing to do with it.

gitea-mirror commented

2026-05-05 06:37:29 -06:00

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@hovissimo commented on GitHub (Jun 9, 2020):

@GuineaPig352 consider closing this ticket now that you've found your solution.

@hovissimo commented on GitHub (Jun 9, 2020): @GuineaPig352 consider closing this ticket now that you've found your solution.

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