Hi all,
this thread is to add working REGEX that we can share with the community. To add them to this sticky, you should have the regex working in your server, this thread is not intended to solve any issues related with no working regex, the intention is to give users of CSF REGEXs that could make CSF with more security options.
If you want to collaborate, please add your rule to this thread...
If you have one particular IP address that is either dropped or accepted through the firewall that you think should not be, then you can use the new WATCH_MODE in csf.
Before enabling this option and using the CLI command to watch an IP address, check whether it is explicitly listed first using:
csf --grep 11.22.33.44
Where 11.22.33.44 is the IP address you're tracking. If that comes back...
If you get iptables errors when trying to start csf on a VPS then you most likely have missing iptables modules for your VPS.
If your hosting provider wants to know how to configure iptables correctly on a VPS server, then you should point them to this Parallels FAQ and have them follow it (plus to add ip_conntrack_ftp to the list of required modules):
Can someone provide a regex that handles this line in /var/log/secure? I tried a couple of things, and don't seem to get it, even trying to copy and adapt one that's already there. Here's the line:
Nov 11 13:00:01 boston systemd : pam_unix(systemd-user:session): session opened for user root(uid=0) by root(uid=0)
I have blocked the IP address 128.245.64.22 in CSF:
Table Chain num pkts bytes target prot opt in out source destination
No matches found for 128.245.64.22 in iptables
IPSET: Set:chain_DENY Match: 128.245.64.22 Setting: File:/etc/csf/csf.deny
Permanent Blocks (csf.deny): 128.245.0.0/16 # do not delete
Hi,
LF_APACHE_404 not working on cPanel with litespeed.
HTACCESS_LOG is setup with /var/log/apache2/error_log but not working
I've inserted custom regex but no work.
Can you help me to build custom 404 regex on cPanel litespeed?
I have an issue because every day I receive from lfd information about overload my server and logs shows me many connections from Microsoft adress IP. Manual block IP isn’t good because every day is another IP. In Csf I have set two parameters: CONNLIMIT 80;50,443;50 i PORTFLOOD 80;tcp;100;60,443;tcp;100;6 but it doesn’t work. Could you give me any suggest how to resolve this an issue?
I've recently setup the emails for csf/lfd and I started getting tons of emails coming through, but most of them appear to be false positives.
I've added the following rules to csf.pignore but they don't appear to be working as the emails for the very same reasons are still coming through even after restarting both CSF and even the entire server....
We are running new cPanel install on AlmaLinux via Lightsail Instance.
Configuration:
Access to WHM and cPanel is limited to single static IP
SSH port remains as 22
SSH root login disabled
The following services are enabled and working:
MySQL is bound to 127.0.0.1
2-factor authentication for WHM
Security Advisor: all in ‘green’
ImunifyAV: No malware found in scans...
Due to some requirements, I can't use PT_USERKILL to kill process over PT_USERTIME / PT_USERMEM, I need to use custom script in PT_USER_ACTION to perform advanced checks.
However, I've seen that since I switched PT_USERKILL to 0, I keep receiving Excessive resource usage emails, no matter if PT_USERKILL_ALERT is set to 0 or 1.
How can I disable the Excessive resource usage email without...
After migration to AlmaLinux 9 from CentOS 7 I suddenly met the problem with loading files by ftp (example from shell)
curl -u user:password ' -o /var/www/html/df/file1.zip
Result
curl: (7) Failed to connect to example.com port 21: Connection refused
When I stop only CSF service (lfd and iptables leave running as i s) - everything is OK, file will be downloaded by...
I have a server that will be used for development tasks. So i want this server only accessible from Finland (for some ports only, all other ports will be blocked for anywhere). I tried lots of settings and couldn't make it working.
Hi - we're needing some assistance to get these type of attacks blocked automatically with a custom regex- say 10 login attempts in 12 hours to mitigate slow logins and permanently banned and added to block list where we can remove them if needed in case of customer false attempts. We've tried a few things including fail2ban although it would be great if LFD can scan the logs and ban them...
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