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  Ultrahook -- HTTP Activity

Category: PROXY-ACCESS      

Application: Ultrahook      

Ultrahook ( is a free, public-facing web service to enable webhooks. A webhook is an HTTP mechanism to allow third-parties to push content to your website. HTTP is inherently a pull technology--client requests, server responds. Ultrahook allows you to register a subdomain (e.g. to accept HTTP POSTS which are then available to be pulled to your site or service from behind a firewall. This technology allows firewalls to be evaded, and is a security concern.

This SonicWALL signature identifies legitimate HTTP requests to Ultrahook.

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