Proper RFC 4122 UUIDs as GUIDs in WordPress

UUIDs (Universally Unique IDentifier), also known as GUIDs (Globally Unique IDentifier), is a string that identifies a piece of information in computer systems. WordPress use GUIDs to identify each individual post, but use URLs (kind of) for GUIDs, and thus does not follow the standard definition (RFC 4122) of a UUID (or GUID).

Immutable assets with unique URLs in WordPress for enqueued JS and CSS files

If you’re utilizing the browser cache correctly, you’ll gain huge performance benefits for your users, as well as save bandwidth and server capacity which equals to saving money. To do this right, you must create unique URLs for all versions of your resources, and tell them to never ask for the content again by telling …

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How CloudFlare handled CloudBleed

Tavis Ormandy from Google’s Project Zero contacted Cloudflare to report a security problem with their service. It turned out that in some unusual circumstances, they would bleed memory that contained private information.