Can't connect with root in SSH

Hi
Since yesterday i cannot SSH connect with root ( 20s timed out), even if i change my IP adresse. regular ftp works well for accounts not the root.
and when When i try to connect to cwp panel to disable the firewall i have this error: No Loader is installed, please try to run this command or contact support: sh /scripts/update_ioncube restart.
So i have no control at all on my server at this moment, and thats very sad.
Any help to disable that shitty firewall in my situation ? my server provider can offer a netboot acces to my server with another linux distro.
Thanks for help

OK
I solved it by using a rescue/netboot start with another linux, i mounted the root drive and chroot it, and then i added my IP adress to

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/etc/csf/csf.allow and

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/etc/csf/csf.ignoreI restart again with centos and i can connect again with root