Try to bypass HTTP 403 by sending headers that try to make the tested server think that the request comes from localhost thus allowing you to view the page.
Here, a file called urls.txt
contains a list of urls that you want to check.
▶ cat urls.txt
https://google.com
https://twitter.com
▶ cat urls.txt | ./bypass_403 -timeout 10 -threads 10
▶ go get -u github.com/amourha/bypass-403