raw.githubusercontent.com port 443: Connection refused

/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
curl: (7) Failed to connect to raw.githubusercontent.com port 443: Connection refused

安装过Charles证书，删除证书后一切正常

参考

https://www.v2ex.com/t/353655