I don’t know, that’s why you have to go look at the error message. What do you see? Reply jmartin688daf69 On the client side, you can use ssh -vv (or find a way in Putty to enable additional logging) to check what’s going on. Since you seem to have a user you can access, see the actual error /var/log/auth.log.Īssuming a default installation, if you can’t connect via SSH public key authentication, it’s usually because of a missing ~/.ssh/authorized_keys file, a bad key defined in that file, or bad permissions on this file or its containing directory. Giving your client the wrong key can also lead to problems. These answers are provided by our Community. If you find them useful, show some love by clicking on the hearts. If you have any problems, leave a comment or add your own answer to help others. gparent Server version: SSH-2.0-OpenSSH_7.Submit a Reply You can type !ref in this text box to quickly search all our Marketplace Guides, Documents and Services and insert a link!Log in to reply We claim version: SSH-2.0-FileZilla_3.39.0 Maybe a setting in Filezilla or in Fail2Ban ?ĬSftpDeleteOpData::ParseResponse() in state 0 Where XX.YY.ZZZ.AA is my IP … I have pressed only once on “connect” in Filezilla, but I can see 14 connection attempts in a few seconds. 08:42:33,591 fail2ban.filter : INFO Ignore XX.YY.ZZZ.AA by ip 08:42:33,589 fail2ban.filter : INFO Ignore XX.YY.ZZZ.AA by ip 08:42:33,588 fail2ban.filter : INFO Ignore XX.YY.ZZZ.AA by ip 08:42:33,587 fail2ban.filter : INFO Ignore XX.YY.ZZZ.AA by ip 08:42:28,578 fail2ban.filter : INFO Ignore XX.YY.ZZZ.AA by ip 08:42:28,542 fail2ban.filter : INFO Ignore XX.YY.ZZZ.AA by ip 08:42:28,541 fail2ban.filter : INFO Ignore XX.YY.ZZZ.AA by ip 08:42:28,540 fail2ban.filter : INFO Ignore XX.YY.ZZZ.AA by ip 08:42:28,539 fail2ban.filter : INFO Ignore XX.YY.ZZZ.AA by ip I use Filezilla to connect to other servers without problems.

I have followed the tutorial, but even after a few days I get the same error message … “Too many authentication failures”.

Filezilla server refused our key