After more 2 000 000 (two million) views on forum for 1.5.0.x development versions... and 1.6.1.0, 1.6.3.0-dev versions
A new stable version, UltraVNC 1.6.4.0 and UltraVNC SC 1.6.4.0 have been released: https://forum.uvnc.com/viewtopic.php?t=38095
Feedback is always welcome

2026-04-01: After 1.7.x, 1.8.x release builds need tests and feedback: https://forum.uvnc.com/viewtopic.php?t=38158

2026-03-11: CVE-2026-3787 and CVE-2026-4962 - Clarification: https://forum.uvnc.com/viewtopic.php?t=38155

2025-12-02: We need help: English Wikipedia UltraVNC page has been requested to deletion: https://forum.uvnc.com/viewtopic.php?t=38127
Any help is welcome to improve the UltraVNC page and/or to comment on the Wikipedia Talk page

2025-05-06: Forum password change request: https://forum.uvnc.com/viewtopic.php?t=38078

2023-09-21: Important: Please update to latest version before to create a reply, a topic or an issue: https://forum.uvnc.com/viewtopic.php?t=37864

Development: UltraVNC development is always here... Any help is welcome
Feedback is welcome

Help is very needed for:
Windows ARM/ARM64 support: https://forum.uvnc.com/viewtopic.php?t=38163 / https://github.com/ultravnc/UltraVNC/issues/346
macOS support: https://forum.uvnc.com/viewtopic.php?t=38164 / https://github.com/ultravnc/UltraVNC/issues/347
Linux support: https://forum.uvnc.com/viewtopic.php?t=38165 / https://github.com/ultravnc/UltraVNC/issues/348
*BSD support: https://forum.uvnc.com/viewtopic.php?t=38166 / https://github.com/ultravnc/UltraVNC/issues/349
*Solaris support: https://forum.uvnc.com/viewtopic.php?t=38167 / https://github.com/ultravnc/UltraVNC/issues/350

Cannot connect using AES plugin

Should you have problems with the DSM Plugin? Here is the place to look for help or report issues
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mamboman
Posts: 1
Joined: 2006-08-31 16:31

Cannot connect using AES plugin

Post by mamboman »

I want to use AES encryption on all my servers. However, I am having a problem connecting using encryption from one particular machine on my home network. I ran a test:

The first server is has encryption enabled, and the second server does not. The first server I cannot connect to even though I have selected the correct plugin and have the correct key file. It just hangs at "negotiate protocol version.." The second server (no encryption), I can connect and authenticate to fine.

Using a laptop on the SAME network (albeit with different IP, but I have tried changing the IP on the box that cannot connect to the encrypted network), I can connect to both servers OK (the encrypted and unencrypted boxes).

I cannot figure this out for the life of me. Where to start troubleshooting??
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redge
1000
1000
Posts: 6797
Joined: 2004-07-03 17:05
Location: Switzerland - Geneva

Re: Cannot connect using AES plugin

Post by redge »

the vnc server won't work is it really UltraVNC and same build of others vnc server working ?
UltraVNC 1.0.9.6.1 (built 20110518)
Windows OS: XP Home + Vista Business + 7 Home
Only experienced user, not developer
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