Connection fails with "Fatal: Unable to negotiate a key exchange method" message
The problem may be related to the potentially incompatible changes introduced in OpenSSH 6.7 (included in Copssh 5 and higher) to remove unsafe algorithms.
If you run Copssh 5.8.1 or higher, you can update the configuration via GUI:
- Alternatively, you can add following line to the section of the configuration file control/bin/copsshcp.config before starting Copssh Control Panel:
KexAlgorithms=+diffie-hellman-group1-sha1
- Restart the service via Copssh Control Panel
Release announcements
- 2024-03-13 Copssh client 7.14.1
- 2024-03-13 cwRsync client 6.2.12
- 2024-03-11 Copssh server 8.5.0
- 2024-03-11 Copssh server 7.17.0
- 2024-03-11 Copssh client 7.14.0