独角兽不会以无法连接到 ('0.0.0.0'，443) 开头

Question

当我尝试绑定端口443时，我从gunicorn收到以下错误：

Retrying in 1 second.
Retrying in 1 second.
Retrying in 1 second.
Retrying in 1 second.
Retrying in 1 second.
Can't connect to ('0.0.0.0',443)
or
Can't connect to ('',443)

Answer 1

端口<1024个是特权端口。允许访问绑定在该端口上的进程：

setcap CAP_NET_BIND_SERVICE=+eip /usr/bin/python3.6