Intelligent firewall access rules
Example firewalls disclosed herein populate a first dynamic object of a firewall rule with first information to identify a first updateable set of devices that satisfy a first one of a plurality of conditions associated with the firewall rule, the first information based on first data obtained from an appliance that monitors communication traffic in at least a portion of a network. Disclosed example firewalls also populate a second dynamic object of the firewall rule with second information to identify a second updateable set of devices that satisfy a second one of the conditions associated with the firewall rule, the second information based on second data obtained from a data source different from the appliance. Disclosed example firewalls further apply, based on evaluation of the first dynamic object and the second dynamic object, the firewall rule to first network traffic associated with a first device in communication with the network.
1. A computer readable storage device or storage disk comprising computer readable instructions to cause at least one processor circuit to at least:
populate a first dynamic object of a firewall rule with first information to identify a first updateable set of devices that satisfy a first one of a plurality of conditions associated with the firewall rule, the first information based on first data obtained from an appliance that is to monitor communication traffic in at least a portion of a network;
populate a second dynamic object of the firewall rule with second information to identify a second updateable set of devices that satisfy a second one of the plurality of conditions associated with the firewall rule, the second information based on second data obtained from a data source different from the appliance; and
apply, based on evaluation of the first dynamic object and the second dynamic object, the firewall rule to first network traffic associated with a first device in communication with the network, the firewall rule to cause the first network traffic to be at least one of blocked, permitted, rate limited, quarantined or captured.
2. The computer readable storage device or storage disk of claim 1 , wherein the instructions are to cause one or more of the at least one processor circuit to:
request the first data from the appliance when the first dynamic object is to be evaluated; and
analyze the first data to identify the first updateable set of devices.
3. The computer readable storage device or storage disk of claim 2 , wherein the first information is to identify respective network addresses of the first updateable set of devices, at least some of the first updateable set of devices in communication with the network.
4. The computer readable storage device or storage disk of claim 1 , wherein the instructions are to cause one or more of the at least one processor circuit to obtain the second data from the data source based on a synchronization schedule.
5. The computer readable storage device or storage disk of claim 4 , wherein the instructions are to cause one or more of the at least one processor circuit to implement a user interface to specify the synchronization schedule.
6. The computer readable storage device or storage disk of claim 4 , wherein the instructions are to cause one or more of the at least one processor circuit to:
query the data source for third data based on the synchronization schedule; and
update the second information based on the third data.
7. The computer readable storage device or storage disk of claim 1 , wherein the instructions are to cause one or more of the at least one processor circuit to cause a user interface to specify whether at least one of the first dynamic object or the second dynamic object corresponds to a source attribute or a destination attribute of the firewall rule.
8. A firewall apparatus comprising:
interface circuitry;
computer readable instructions; and
processor circuitry to be programmed by the computer readable instructions to at least:
populate a first dynamic object of a firewall rule with first information to identify a first updateable set of devices that satisfy a first one of a plurality of conditions associated with the firewall rule, the first information based on first data obtained from an appliance that is to monitor communication traffic in at least a portion of a network;
populate a second dynamic object of the firewall rule with second information to identify a second updateable set of devices that satisfy a second one of the plurality of conditions associated with the firewall rule, the second information based on second data obtained from a data source different from the appliance; and
apply, based on evaluation of the first dynamic object and the second dynamic object, the firewall rule to first network traffic associated with a first device in communication with the network, the firewall rule to cause the first network traffic to be at least one of blocked, permitted, rate limited, quarantined or captured.
9. The firewall apparatus of claim 8 , wherein the one processor circuitry is to:
request the first data from the appliance when the first dynamic object is to be evaluated; and
analyze the first data to identify the first updateable set of devices.
10. The firewall apparatus of claim 9 , wherein the first information is to identify respective network addresses of the first updateable set of devices, at least some of the first updateable set of devices in communication with the network.
11. The firewall apparatus of claim 8 , wherein the processor circuitry is to obtain the second data from the data source based on a synchronization schedule.
12. The firewall apparatus of claim 11 , wherein the processor circuitry is to implement a user interface to specify the synchronization schedule.
13. The firewall apparatus of claim 11 , wherein the one processor circuitry is to:
query the data source for third data based on the synchronization schedule; and
update the second information based on the third data.
14. The firewall apparatus of claim 8 , wherein the processor circuitry is to cause a user interface to specify whether at least one of the first dynamic object or the second dynamic object corresponds to a source attribute or a destination attribute of the firewall rule.
15. A computer readable storage device or storage disk comprising computer readable instructions to cause at least one processor circuit to at least:
access device data from an appliance that is to monitor communication traffic in at least a portion of a network;
identify, based on the device data from the appliance, information identifying a first set of devices to include in a variable set of devices that satisfy a first one of a plurality of conditions associated with a firewall rule;
populate a dynamic object with the information identifying the first set of devices, the dynamic object associated with the firewall rule; and
apply, based on evaluation of the dynamic object, the firewall rule to first network traffic associated with a first device in communication with the network, the firewall rule to cause the first network traffic to be at least one of blocked, permitted, rate limited, quarantined or captured.
16. The computer readable storage device or storage disk of claim 15 , wherein the instructions are to cause one or more of the at least one processor circuit to request the device data from the appliance when the dynamic object is to be evaluated.
17. The computer readable storage device or storage disk of claim 15 , wherein the instructions are to cause one or more of the at least one processor circuit to:
access second device data from a data source different from the appliance; and
populate the dynamic object based on the second device data.
18. The computer readable storage device or storage disk of claim 17 , wherein the instructions are to cause one or more of the at least one processor circuit to obtain the second device data from the data source based on a synchronization schedule.
19. The computer readable storage device or storage disk of claim 18 , wherein the instructions are to cause one or more of the at least one processor circuit to implement a user interface to specify the synchronization schedule.
20. The computer readable storage device or storage disk of claim 15 , wherein the instructions are to cause one or more of the at least one processor circuit to cause a user interface to specify whether the dynamic object corresponds to a source attribute or a destination attribute of the firewall rule.