Tag Archives: Response Denied by WatchGuard Proxy

WatchGuard: How to resolve “Response denied by WatchGuard HTTP Proxy – Reason: header-line too large”

WatchGuard

I’ve seen a couple of instances recently from two different customers where the WatchGuard HTTP Proxy has blocked websites from being accessed with the following message:

Response denied by WatchGuard HTTP Proxy
Reason: header-line too large=’Set-Cookie:
Please contact your administrator for assistance.
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