1. A method of operating a computing device executing an application, the method comprising: determining that a firewall policy applicable to the application in a current network context has not been set; in response to the determination that the firewall policy applicable to the application in the current network context has not been set, determining that at least one previously set firewall policy is applicable to the application in a network context different from the current network context; in response to the determination that the at least one previously set firewall policy is applicable to the application in the network context different from the current network context, presenting information relating to the at least one previously set firewall policy applicable to the application in the network context different from the current network context as at least one hint regarding a firewall policy for the application in the current network context; and in conjunction with presenting the information, prompting for a decision relating to the firewall policy for the application in the current network context.