有关HSTS的内容
Firefox 清除 HSTS 信息 [引自:https://security.stackexchange.com/questions/102279/can-hsts-be-disabled-in-firefox]:
- Type
about:support
in firefox - Click Profile Folder | Open Folder which should open your profile folder.
- Find file called
SiteSecurityServiceState.txt
and open it - Find the entry for your site url and remove it. Entry would looks something like –
github.com:HSTS 120 17242 1521194647604,1,1
- Make sure for above firefox is closed so that it does not overwrite it.
命令行查看证书信息:
openssl s_client -connect host:443 -showcerts