• Settings: Web Sockets

    What does it do? Much like HTTP, WebSocket is a communications protocol between a web browser and an origin server that operates on standard ports TCP 80 and 443. Instead of a series of connections, WebSockets establish a single long-held bi-directional con...
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  • Settings: Pull Protocol

    What does it do? The pull protocol controls the protocol that the StackPath CDN uses to pull content from your origin server. When and how should I use it? Choose one of these options: HTTP or HTTPS: StackPath uses the same protocol that site visitors use ...
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  • Settings: Origin Authentication

    What does it do? Basic HTTP authentication is a method to protect sensitive web content behind a simple username and password prompt. When configured, StackPath's CDN uses your username and password when requesting content from your origin server. When and ...
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  • Settings: Host Header

    What does it do? Many web servers are configured to serve content for multiple sites from the same IP address. The host header tells the web server which site to load content from. It's sent as part of the HTTP request, for example: GET / HTTP/1.1 Host: www...
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  • Settings: Backup Server

    What does it do? Backup servers provide an extra layer of redundancy to ensure that your site continues running when your primary origin is unavailable. StackPath's CDN loads content from the backup origin if the primary origin is unavailable. The CDN consi...
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  • Settings: Origin Address

    What does it do? The origin address is the location from where StackPath's CDN pulls content from. There are two ways to enter your origin's address: By IP address: StackPath loads content from your origin directly by IP. Consider setting a Host header val...
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