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Security

  • Why is my cPanel AutoSSL (Powered by Sectigo) request failing for some domains?
  • Rules are added to cpanel-dovecot-solr firewall chain each time service is restarted
  • Service subdomains can still be accessed when port is blocked
  • Multiple SSLs can be installed on service subdomain when added as an addon domain
  • Hostname history can prevent the current hostname's SSL certificate from being obtained when the previously used hostname's domain is rate-limited.
  • cPHulk chain is not added to INPUT filter in nftables, resulting in the cPHulk Firewall chain not blocking any IPs
  • Mailman 2.1.39 - CVE-2025-43919, CVE-2025-43920, CVE-2025-43921
  • How to disable the ConfigServer Exploit Scanner (CXS) ModSecurity rules
  • cpanel-p0f package is marked as malicious by some Antivirus Vendors
  • SSL expiry notifications are sent before renewal is attempted
  • How to deny access to WHM via Host Access Control on a RHEL-based server
  • cpsrvd Returns 200 Response Code on all URLs
  • How to determine the SSL certificate issuer from cPanel
  • AutoSSL can't issue certificates: REC_LAME
  • Is there a patch for the Exim vulnerability CVE-2024-39929?
  • Can TLS 1.1 or 1.0 be enabled on RHEL 9-based servers?
  • Can't renew hostname SSL: The domainNames argument is invalid
  • When will Sectigo be deprecated and removed from cPanel?
  • How to whitelist an IP address in CSF from the command line
  • checkallsslcerts failing with "400 urn:ietf:params:acme:error:dns"
  • How to start a ClamAV scan from the command line
  • How to prevent CSF/LFD from sending email.
  • How to manually renew AutoSSL certificates for all users in WHM
  • OpenSSH CVEs
  • Detected X processes that are running outdated executables
  • The system cannot check the kernel status on CloudLinux
  • Where are SSH logins logged?
  • AutoSSL doesn't function due to DNS Doctoring
  • AutoSSL domain resolves to a private IP address.
  • What IP addresses does Let's Encrypt use to validate AutoSSL certificates?
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