def get_webhost(cherryhost, cherryport, https_port):
    """ Determine the webhost address and port,
        return (host, port, browserhost)
    """
    if cherryhost is None:
        cherryhost = sabnzbd.cfg.CHERRYHOST.get()
    else:
        sabnzbd.cfg.CHERRYHOST.set(cherryhost)

    # Get IP address, but discard APIPA/IPV6
    # If only APIPA's or IPV6 are found, fall back to localhost
    ipv4 = ipv6 = False
    localhost = hostip = 'localhost'
    try:
        info = socket.getaddrinfo(socket.gethostname(), None)
    except:
        # Hostname does not resolve, use 0.0.0.0
        cherryhost = '0.0.0.0'
        info = socket.getaddrinfo(localhost, None)
    for item in info:
        ip = item[4][0]
        if ip.startswith('169.254.'):
            pass # Is an APIPA
        elif ':' in ip:
            ipv6 = True
        elif '.' in ip and not ipv4:
            ipv4 = True
            hostip = ip

    # A blank host will use the local ip address
    if cherryhost == '':
        if ipv6 and ipv4:
            # To protect Firefox users, use numeric IP
            cherryhost = hostip
            browserhost = hostip
        else:
            cherryhost = socket.gethostname()
            browserhost = cherryhost

    # 0.0.0.0 will listen on all ipv4 interfaces (no ipv6 addresses)
    elif cherryhost == '0.0.0.0':
        # Just take the gamble for this
        cherryhost = '0.0.0.0'
        browserhost = localhost

    # :: will listen on all ipv6 interfaces (no ipv4 addresses)
    elif cherryhost in ('::','[::]'):
        cherryhost = cherryhost.strip('[').strip(']')
        # Assume '::1' == 'localhost'
        browserhost = localhost

    # IPV6 address
    elif '[' in cherryhost or ':' in cherryhost:
        browserhost = cherryhost