On Wednesday, October 21, 2020 9:53:04 PM WEST Per Bothner wrote:

> ~/.ssh/config is:

> Compression yes

> Host *.redhat.com

> Protocol 2

> ForwardX11 no

> #Host sourceware.org

> #Protocol 2

> #ForwardX11 no

> Host gcc.gnu.org

> Protocol 2

> ForwardX11 no

> Host *.gnu.org

> Protocol 2

> ForwardX11 no

I had similar problems and my solution was to add to .ssh/config:

Host *

PubkeyAcceptedKeyTypes +rsa-sha2-256,rsa-sha2-512

Of course, instead of applying this to all addresses you can add this just to the addresses that need it.

Regards,

Jos� Ab�lio