It is worth expanding that if port 80 has been occupied by other applications, Ankodak video recorder can also change the service port number by modifying the configuration. In practical application, for the sake of safety, the service port number of Ankodak video recorder is sometimes changed to a non-default port to reduce potential network attacks. However, no matter whether the port number is default or user-defined, users need to set corresponding port mapping or firewall rules in the network environment to ensure that they can access the service of AnKodak video recorder from the external network.