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CSF can't block any massive attack, it's just can be used for small DDoS atacks 5-25 Mb/s. Attack on my site more than 800 Mb/s so CSF can't help with this. Hardware firewall is too expensive and requires special settings and time to mitigate attack. So, I found best solution. It's CloudFlare firewa...

I have blocked some IPs using CloudFlare firewall. After that, these IPs can't reach my server. I also tried to use iptables to block these IPs without luck before. Ok, this is not CSF bug but I never think that this is possible - firewall should block network addresses, why certain IP can not be bl...

Thanks for reply. I just want to block these IPs, I do not want to buy hardware firewall for 1000-2000 ips botnet. This not a problem for dedicated server to block small botnet. I do not think that this is cached logs problem. I restarted nginx many many times so logs still record some IPs that CSF ...

Just for example: Live output from access.log of nginx: 119.207.122.52 - - [06/Jul/2016:23:21:03 +0300] GET / HTTP/1.1 "200" 10103 "-" "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/48.0.2564.116 Safari/537.36" "119.207.122.52&q...

Still waiting reply from anyone from CSF team. Maybe this is not a bug, just incorrect settings or something else.

I used CloudFlare with "I'm under attack" function. This is helped, but not at all. I can mitigate attack using software firewall but I ran into a problem that has already been observed before on other servers. Looks like this is CSF bug which should be investigated by experts or developer...

Hello friends, Please help me to mitigate DDoS attack. I used own script which parse access.log and block IPs in default way - "csf -d <IP>" The problem is CSF (latest cpanel version) can't block some IPs, every time I got error: -- deny failed: <IP> is in already in the deny file /etc/csf...