Nginx log full of `NULL` characters

Asked Apr 11 '21 at 07:59

Active Apr 11 '21 at 08:55

Viewed 343 times

I'm running Nginx in a Docker container, and my error log keeps filling up with NULL characters, so it looks like this:

I had Nginx and PHP containers both set to output errors to error.log. When I set PHP to use a separate log file, I get fewer NULLs, but they still crop up, especially in the PHP log.

Has anyone come across this before, and is there a tweak I can do to prevent it?

edited Apr 11 '21 at 08:55

asked Apr 11 '21 at 07:59

And Finally

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This is sometimes sent by hackers that try to break in. – Henry Apr 11 '21 at 09:04
Thanks @Henry, in this case it's a local environment, so it must be something to do with the config. – And Finally Apr 12 '21 at 07:04

Nginx log full of `NULL` characters

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