Blank Screen in Sucuri Firewall Protection

Whitelisted IPs are not blocked by the IDS unless something very bad is being caused by the user on the host,

such as too many 50x errors.

These IDS blocks last 20 minutes. If they return or persist, get your IP address here so we can confirm the

cause and address the underlying issue.

There are two possibilities here:

1.    Our IDS (Intrusion Detection System) is blocking you.
       You or someone sharing your IP address have triggered the IDS with too many prohibited actions,

       such as multiple 30x, 40x or 50x in a short period of time, or 20 failed login attempts in a few minutes.

       Normally, the browser would’ve seen these previous errors and ignored them.

2.    Another cause of white screens are often known as the “white screen of death.”
       These are 500 internal server errors, and the host’s error logs can usually confirm the cause.

       These can be identified using developer tools such as Chrome Inspector.

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