Created attachment 813211 [details]
strace

Gives permission denied. Fresh install. Testing for another user who reported the problem on reddit.

/etc/authbind/byport:
total 0
drwxr-xr-x 1 root    root  4 Aug  7 18:21 .
drwxr-xr-x 1 root    root 34 Aug  7 18:21 ..
-rwxrw-rw- 1 moozaad root  0 Aug  7 18:21 80

You can see it's owned by moozaad with 766. Running as moozaad gives


> authbind nc -l -p 80 
nc: Permission denied

example with python3

> authbind python3 -m http.server 80
Traceback (most recent call last):
  File "/usr/lib64/python3.7/runpy.py", line 193, in _run_module_as_main
    "__main__", mod_spec)
  File "/usr/lib64/python3.7/runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "/usr/lib64/python3.7/http/server.py", line 1262, in <module>
    test(HandlerClass=handler_class, port=args.port, bind=args.bind)
  File "/usr/lib64/python3.7/http/server.py", line 1230, in test
    with ServerClass(server_address, HandlerClass) as httpd:
  File "/usr/lib64/python3.7/socketserver.py", line 452, in __init__
    self.server_bind()
  File "/usr/lib64/python3.7/http/server.py", line 137, in server_bind
    socketserver.TCPServer.server_bind(self)
  File "/usr/lib64/python3.7/socketserver.py", line 466, in server_bind
    self.socket.bind(self.server_address)
PermissionError: [Errno 13] Permission denied


ss shows nothing already on the port.

I've watched lsof and can't even see the helper being called.