Friday, May 18, 2018

Watchguard - Firewall - Yahoo Login Page Header Oversize

So, I have multiple clients, all running on Watchguard Firewalls. We have them running through your usual http/https proxies. When they try to login to Yahoo. After putting in the username. And pressing Next. It will bomb out, and give a header Oversize Message. And deny the traffic.

When you look at the header you see "google.com" repeated over and over to an indeterminate amount.

Any ideas? Or is anyone else seeing this in their environments?



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