Sonicwall Signatures

Go to All Categories list.
Go to All Applications list.

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.

  Ultrahook -- HTTP Activity

Relevant Information