Re: How to know when it's possible to bind a socket on an unprivileged port?

[Giampaolo Rodola']

Another way (probably more reliable):


def bind_on_privileged_ports():
    """Return True if it is possible to bind sockets on privileged
    ports (< 1024)."""
    for port in range(1, 1024)[::-1]:
        print port
        try:
            s = socket.socket()
            s.bind((HOST, port))
        except socket.error, err:
            if err[0] == errno.EACCES:
                return False  # speedup
        else:
            s.close()
            return True
    else:
        s.close()
        return False



--- Giampaolo
http://code.google.com/p/pyftpdlib/
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