正在连接 github.com (github.com)|127.0.0.1|:443... 失败：拒绝连接。

 问题1wget https://github.com/vulhub/vulhub/archive/master.zip -O vulhub-master.zip
--2023-07-05 11:58:38--  https://github.com/vulhub/vulhub/archive/master.zip
正在解析主机 github.com (github.com)... 127.0.0.1
正在连接 github.com (github.com)|127.0.0.1|:443... 失败：拒绝连接。

问题2sudo git pull
fatal: 无法访问 'https://github.com/vulhub/vulhub.git/'：Failed to connect to github.com port 443 after 14 ms: Couldn't connect to server

解决方法

echo nameserver 8.8.8.8 >> /etc/resolv.conf
echo nameserver 114.114.114.114 >> /etc/resolv.conf