SQLmap: identified time-based blind, able to retrieve banner, but cannot retrieve database names, target behind firewall [closed]

I’m trying sqlmap (newest stable version {1.6#stable}).
Here’s my situation & current result:

The target is behind a firewall. Sometimes the firewall blocks my ip & shows a recaptcha.
So it seems that I can’t get reliable result. … Continue reading SQLmap: identified time-based blind, able to retrieve banner, but cannot retrieve database names, target behind firewall [closed]