I am getting the following error from gunicorn when I try to bind on port 443: Answer Ports < 1024 are privileged ports. Give access to process that is binding on that port:

Gunicorn won’t start with can’t connect to (‘0.0.0.0’,443)

I am getting the following error from gunicorn when I try to bind on port 443:

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)

JavaScript
​x
 
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

Ports < 1024 are privileged ports. Give access to process that is binding on that port:

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

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

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Answer