Login Failed, Error 443

[General_Durandal]

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[-Krism-]

From what I found, 443 means it's a security error, something to do with your connection I guess

[CephalonCarnage]

The 443 refers to the default port number for http traffic. So you failed to connect to the warframe api. Somewhere along the chain of http networking one of the hosts or routers dropped your connection.

If you're using a VPN, try without. Otherwise try pinging api.warframe.com to see if you can see it, and then contact support.