A request headers is an HTTP header that the client sends to the server.
HTTP request headers list | Browser Headers Viewer
| Type | Non-standard |
| Subype | Varnish Cache |
| Related headers | X-No-Varnish, X-Varnish |
| Last seen | 2026-03-24 14:44:13 |
| Link | https://www.varnish-cache.org/ |
| Note | |
Example header value:true |
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