If you can reproduce the problem then get out ngrep and check out exactly
what is being sent on the wire.
When you say 'Is there a way to force nginx to log 400 errors', are they
showing up in your access logs ?
Cheers
Dave
snacktime writes:
> Is there a way to force nginx to log 400 errors? At least then I could
> debug this better. It's been difficult to find specific triggers. The one
> common trigger is that it only happens in a facebook connect iframe. We
> have a situation where two facebook connect iframes are loaded from our
> domain on the same page, and that triggers it around 80% of the time. My
> best guess at this point is that it's a bug with cookie headers.
>
> chris
>
> Posted at Nginx Forum: http://forum.nginx.org/read.php?2,2757,2789#msg-2789
>
>