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

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
New Service SSL Cert not installing due to missing CA Bundle
4 comments
OWASP REQUEST-942 ModSecurity Issue
7 comments
Case SEC-70235: Fix CVE-2025-66429
12 comments
Setup for ModSecurity Country Block with OWASP3 910100
5 comments
Server getting slammed...what can I do?
3 comments
PCI scan for cPanel services: Insecure configuration of Cookie attributes
11 comments
PCI scan flags cPanel services: "Insufficient Session Expiration found"
11 comments
CSF rules causing intermittent downtime? Need expert review.
2 comments
Litespeed Recaptcha implementation
1 comment
"Shell Fork Bomb Protection" Settings
1 comment
Team members can have full acces to WHMCS
2 comments