I have a Linux 6.2 vps with a cpanel. I think possibly that i have been the subject of a brute force attack that has locked me out. I am trying to access my root server via putty but cannot do this because I am getting this error No support authentication methods available-server sent public key gssapi-keyex gssapi with mic. So I cannot get in via Cpanel or the root server HELP.

  • Do you have any servers with this cPanel machine logged in as root? – vembutech Oct 21 '14 at 10:59

If you have any servers logged in for that cPanel server as root or try to login as root(to that cPanel server) from a different machine. Then, this doc can help further!


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