lftp error: port 22: no matching host key type found. Their offer: ssh-dss

user_4639268 0
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How do I fix this error, no matching host key type found. Their offer: ssh-dss when doing lftp on a vm with Ubuntu 18.04 installed.

I've tried adding

Host *
    PubkeyAcceptedKeyTypes=+ssh-dss

to my ~/.ssh/config file, but I am still seeing the error. I'm trying to avoid editing my /etc/ssh/config file because I can't afford to restart my ssh server. Is there an option I can pass in with lftp at run time?

lftp ubuntu-18.04 openssh sftp ssh
2 Answers

Fixed by adding PubkeyAcceptedKeyTypes to my .ssh/config

HostKeyAlgorithms ssh-rsa
PubkeyAcceptedKeyTypes ssh-rsa
user_140328100

I found a hack, where I leverage use some ssh options within the lftp command.

lftp -p 22 -u <username>,<password> sftp://<domain> -e 'set sftp:connect-program "ssh -a -x -oHostKeyAlgorithms=+ssh-dss"'
user_46392680
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