Server hardening methodologies and best practices for your cPanel server. Please report suspected security issues to: security@cpanel.net

modsec rule change?
2 comments
Cloudflare 521 only when Imunify360 is active (origin works fine)
6 comments
Exclude Domain from SSL
13 comments
CVE-2026-33691 OWASP <3.3.9
2 comments
Will V134.0.12 be ported to V132 too? Answered
3 comments
The system kernel version issues (false-positive)
8 comments
[:error] client denied by server configuration
2 comments
CSF x Meta Abuse IPv6
3 comments
SSL Certs Only Good For 200 Days
1 comment
CFS being reported as down by LFD after update
26 comments
CSF Messenger bug: CAPTCHA response gets truncated Answered
8 comments
Regarding the Microsoft Azure IP's attack
2 comments
DNS Recursion - How to disable for PCI compliance?
4 comments
Web Site httpupdate.cpanel.net [expired ssl certificate]
2 comments
Surge In System Integrity MD5sum Emails Last Month - Anyone Else?
4 comments
WHM - Manage AutoSSL only shows 'Disabled'
1 comment
WP Login Protection with CSF -LFD
4 comments
SSL Stapling Off for VirtualHosts Answered
9 comments
AutoSSL DNS DCV errorr with LetsEncrypt
2 comments
Imunify Aborts automatically for all accounts
1 comment
Log for viewing all CSF rejections w/details for troubleshooting?
5 comments
Roundcube update due to CVE vulnerability CVE-2025-68461
1 comment
Exim accepting fake logins!!! Answered
24 comments