Shield Security Minimum System Requirements

We try to ensure that Shield Security is compatible with, and runs reliably on, as many systems as possible, while at the same trying to keep the code and performance optimal for all clients.

This means that from time-to-time the minimum requirements for Shield Security will change.

Please use the details below to determine whether your hosting environment is compatible with the latest version of Shield Security.

Version 12.0+

  • Minimum PHP: 7.0
  • Minimum WordPress: 3.7
  • Minimum MySQL: 5.6 (for native support for IPv6 address handling)

Version 10.0+

  • Minimum PHP: 7.0
  • Minimum WordPress: 3.7
  • Minimum MySQL: 5.5

Version 6.0+

  • Minimum PHP: 5.4
  • Minimum WordPress: 3.7
  • Minimum MySQL: 5.5

Version 1.0+

  • Minimum PHP: 5.2
  • Minimum WordPress: 3.5
  • Minimum MySQL: 5.5