problem
1, blog content mostly to do with github map bed and found a lot of pictures in the company can not be loaded
2, visit picture address, can not connect raw.githubusercontent.co
solve
1, configure host address, add GitHub direct link
#GitHub Start
192.30.253.112 github.com
192.30.253.119 gist.github.com
151.101.100.133 assets-cdn.github.com
151.101.100.133 raw.githubusercontent.com
151.101.100.133 gist.githubusercontent.com
151.101.100.133 cloud.githubusercontent.com
151.101.100.133 camo.githubusercontent.com
151.101.100.133 avatars0.githubusercontent.com
151.101.100.133 avatars1.githubusercontent.com
151.101.100.133 avatars2.githubusercontent.com
151.101.100.133 avatars3.githubusercontent.com
151.101.100.133 avatars4.githubusercontent.com
151.101.100.133 avatars5.githubusercontent.com
151.101.100.133 avatars6.githubusercontent.com
151.101.100.133 avatars7.githubusercontent.com
151.101.100.133 avatars8.githubusercontent.com
#github end
2, refresh dns, cmd execution
iptables /flushdns
3, re-visit, not found or access
4, Chrome browser address bar to open: Chrome: // NET-Internals / # HSTS
5, you can search your site is listed as a static HSTS entry in the Query HSTS / PKP domain, the explanation does
6, slide the bottom Delete domain security policies at the input is HSTS domain name, click Delete, refresh to open. Not on the multi-Delete will always be a few!