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I`m on a virtual Server (Virtuozo) and the limit if numiptent is 2000. Vey often the server is under havy attack (ssh, postfix) and the numiptent increases (> 2000). In this case I have to delete the database table and the logfile by hand. So I want to write a script that read the numiptent and...

Please - read m question again. But thanks for your effort to help me out.

Sorry - but excactly that doesn't work (see my question)

sqlite3 /var/lib/fail2ban/fail2ban.sqlite3 "delete from bans where timeofban < strftime('%s', 'now', '-7 days')" has no effects sqlite3 /var/lib/fail2ban/fail2ban.sqlite3 "vacuum" doesn't work. am I doing something wrong?

Yes - I did the yum install and everythig is working fine now.

# systemctl start polkit.service Unit polkit.service could not be found. (I did a CentOS update too)

pam_systemd(crond:session): Failed to release session: Die Wartezeit für die Verbindung ist abgelaufen What can I do?

It works now but I think port 2222 is too obvious, isn't it?

Thanks! The supporters should that add to the instructions!

I did all steps of the instructions and taht worked fine but this command semanage port -a -t ssh_port_t -p tcp 2222 leads to: libsemanage.semanage_read_policydb: Could not open kernel policy /etc/selinux/targeted/active/policy.kern for reading. (No such file or directory). OSError: No such file...

It has worked for years Now I had to disable BIND and it works again. Yes, it took me a lot of nerves and time.

Thanks, but I don`t use Cloudflare.

Sory, but it doesnt help. I tied a lot of other articles published by the supporters - but all of them couldn`t resolve the problem: Invalid response from https://acme-v02.api.letsencrypt.org/acme/authz-v3/179910320547. Details: Type: urn:ietf:params:acme:error:connection Status: 400 Detail...

no one can help?

LetsEncrypt-Error .well-known/acme-challenge/xxxxxxx HTTP 400 But the file exists and is readable via the URL.