What is claimed is:
1. A computer system comprising:
a predetermined switch for instructing a system power source to be turned on and an application program to he executed;
a power switch for instructing said system power source to be turned on;
status memory for detecting the depression of said predetermined switch to store a status signal indicative of the detection result;
a mask circuit for outputting an ON signal in a state that said system power source is turned off and no ON signal in a state that said system power source is turned on in response to the depression of said predetermined switch:
a power control circuit for turning on said system power source in response to an operation of said power switch and said ON signal:
a processor, which operates by using said system power source, for accessing said status signal stored in said status memory in response to the start of the supply of power from said system power source so as to start up a predetermined application program when said status signal indicates said predetermined switch has been operated: and
a controller, which operates by using the system power source, for detecting the depression of said predetermined switch to output a signal for instructing said processor to start up said predetermined application program, whereby making it possible to turn on said system power source and start up said predetermined application program in response to the operation of said predetermined switch.
2. The computer system according to claim 1, wherein said predetermined switch outputs a signal with a predetermined level by the operation, and said status memory stores the status signal indicating the level of the signal output by said predetermined switch at the time when power supply from said system power source is started.
3. The computer system according to claim 1, wherein said controller comprising:
a switch circuit, which operates by using the system power source, for detecting the depression of said predetermined switch to output a predetermined switch operation signal; and
a keyboard controller for detecting said switch operation signal to output an interrupt signal for instructing said processor to start up said predetermined application program.
4. The computer system according to claim 1, wherein said processor clears the content stored in said status memory after starting up said predetermined application program.
5. A computer system comprising:
a predetermined key for instructing a system power source to be turned on and an application program to be executed;
a power control circuit for turning on the system power source when said predetermined key is depressed in a state that said system power source is in an OFF state; and
a processor, which operates by using the system power source, for executing an application program corresponding to said specific key when said specific key is depressed.
6. The computer system according to claim 5, further comprising status memory for storing the depression of said predetermined key, wherein said processor accesses to the content stored in said status memory, determines whether or not said system power source is turned on by the depression of said predetermined key, and executes said application program corresponding to said predetermined key when it is determined that said system power source is turned on by the depression of said predetermined key.
7. A keyboard controller control system according to claim 5, wherein said processor starts up said application corresponding to said predetermined key and clears the content stored in said status memory when said system power source is turned on by the depression of said predetermined key.
8. The computer system according to claim 5 wherein said processor starts up said predetermined application when said predetermined key is depressed for a time period over which said system power source is turned on.
9. The computer system according to claim 5, further comprising a power circuit; and wherein said power control circuit detects the depression state of said predetermined key to turn on said system power source by supplying a trigger signal to said power circuit when detecting the depression of the corresponding specific key.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A system, comprising:
a processor executing instructions to:
receive a network policy that includes a domain name, wherein the domain name includes a Fully Qualified Domain Name (FQDN);
periodically update Internet Protocol (IP) address information associated with the domain name by performing a Domain Name Server (DNS) query, wherein the updating of the IP address information comprises:
determine whether the domain name has been resolved;
in the event that the domain name has not been resolved, attempt to resolve the domain name; and
in the event that the domain name has been resolved, check whether the IP address information associated with the domain name has changed; and
in the event that the IP address information is not updated, disable or block network traffic associated with the IP address information that is not updated; and
a memory coupled to the processor and configured to provide the processor with the instructions with instructions.
2. The system recited in claim 1, wherein the system includes a security appliance, and wherein the security appliance includes a firewall.
3. The system recited in claim 1, wherein the IP address information includes Internet Protocol Version 4 (IPv4) information or Internet Protocol Version 6 (IPv6) information.
4. The system recited in claim 1, wherein the IP address information is periodically updated based on a Time To Live (TTL) value.
5. The system recited in claim 1, wherein the IP address information is periodically updated based on a system frequency.
6. The system recited in claim 1, wherein the IP address information is periodically updated based on a configuration setting.
7. The system recited in claim 1, wherein the IP address information is periodically updated based on an event.
8. The system recited in claim 1, wherein the network policy includes a network security rule that is based on the domain name.
9. The system recited in claim 1, wherein the network policy includes a network security rule that is based on the domain name, and wherein the network policy includes one or more of the following rules based on the domain name: a routing rule, a Quality of Service (QoS) rule, and a workload balancing rule.
10. The system recited in claim 1, wherein the domain name only includes a subset of the FQDN, and the policy includes a host name that is not specified as the FQDN.
11. The system recited in claim 1, wherein the updating of the IP address information further comprises:
execute a dynamic resolver, wherein the dynamic resolver performs the periodically updating the IP address information associated with the domain name.
12. The system recited in claim 1, wherein the processor is further executing instructions to:
dynamically perform a resolution of the domain name from a central policy manager for implementing the network policy based on the domain name for enforcing the network policy based on the domain name, wherein the domain name was not resolved or updated prior to enforcing the network policy.
13. The system recited in claim 1, wherein the processor is further executing instructions to:
enforce the network policy based on the IP address, wherein the IP address is associated with the domain name, and the policy includes a rule or action based on the domain name.
14. The system recited in claim 1, wherein the processor is further executing instructions to:
enforce the network policy based on the IP address, wherein the IP address is associated with the domain name, and the policy includes a rule or action based on the domain name; and
monitor events based on a context sensitive resolution of the domain name.
15. The system recited in claim 1, wherein the processor is further executing instructions to:
store the domain name, the IP address information associated with the domain name, and a Time To Live (TTL) value for the IP address information associated with the domain name.
16. The system recited in claim 1, wherein the processor is further executing instructions to:
store the domain name, a plurality of IP addresses associated with the domain name, and a Time To Live (TTL) value for each of the IP addresses associated with the domain name in a data store including one or more tables.
17. The system recited in claim 1, wherein the processor is further executing instructions to:
report events based on network security threats, wherein the reported events include one or more domain names associated with at least one of the network security threats.
18. The system recited in claim 1, wherein the processor is further executing instructions to:
dynamically update the IP address information at enforcement time.
19. A method, comprising:
receiving a network policy that includes a domain name, wherein the domain name includes a Fully Qualified Domain Name (FQDN);
periodically updating Internet Protocol (IP) address information associated with the domain name by performing a Domain Name Server (DNS) query to a DNS server, wherein the updating of the IP address information comprises:
determining whether the domain name has been resolved using a processor executing instructions;
in the event that the domain name has not been resolved, attempting to resolve the domain name using the processor executing instructions; and
in the event that the domain name has been resolved, checking whether the IP address information associated with the domain name has changed using the processor executing instructions; and
in the event that the IP address information is not updated, disabling or blocking network traffic associated with the IP address information that is not updated using the processor executing instructions.
20. A computer program product, the computer program product being embodied in a non-transitory computer readable storage medium and comprising computer instructions for:
receiving a network policy that includes a domain name, wherein the domain name includes a Fully Qualified Domain Name (FQDN);
periodically updating Internet Protocol (IP) address information associated with the domain name by performing a Domain Name Server (DNS) query, wherein the updating of the IP address information comprises:
determining whether the domain name has been resolved;
in the event that the domain name has not been resolved, attempting to resolve the domain name; and
in the event that the domain name has been resolved, checking whether the IP address information associated with the domain name has changed; and
in the event that the IP address information is not updated, disabling or blocking network traffic associated with the IP address information that is not updated.
21. The method of claim 19, wherein the IP address information includes Internet Protocol Version 4 (IPv4) information or Internet Protocol Version 6 (IPv6) information.
22. The method of claim 19, wherein the IP address information is periodically updated based on a Time To Live (TTL) value, a system frequency, a configuration setting, or an event.
23. The method of claim 19, wherein the network policy includes a network security rule that is based on the domain name, and wherein the network policy includes one or more of the following rules based on the domain name: a routing rule, a Quality of Service (QoS) rule, and a workload balancing rule.
24. The method of claim 19, wherein the domain name only includes a subset of the FQDN, and the policy includes a host name that is not specified as the FQDN.
25. The method of claim 19, further comprising:
dynamically performing a resolution of the domain name from a central policy manager for implementing the network policy based on the domain name for enforcing the network policy based on the domain name, wherein the domain name was not resolved or updated prior to enforcing the network policy.
26. The method of claim 19, further comprising:
enforcing the network policy based on the IP address, wherein the IP address is associated with the domain name, and the policy includes a rule or action based on the domain name.
27. The method of claim 19, further comprising:
enforcing the network policy based on the IP address, wherein the IP address is associated with the domain name, and the policy includes a rule or action based on the domain name; and
monitoring events based on a context sensitive resolution of the domain name.
28. The method of claim 19, further comprising:
storing the domain name, a plurality of IP addresses associated with the domain name, and a Time To Live (TTL) value for each of the IP addresses associated with the domain name in a data store including one or more tables.
29. The method of claim 19, further comprising:
reporting events based on network security threats, wherein the reported events include one or more domain names associated with at least one of the network security threats.
30. The method of claim 19, further comprising:
dynamically updating the IP address information at enforcement time.
31. The computer program product recited in claim 20, wherein the IP address information includes Internet Protocol Version 4 (IPv4) information or Internet Protocol Version 6 (IPv6) information.
32. The computer program product recited in claim 20, wherein the IP address information is periodically updated based on a Time To Live (TTL) value, a system frequency, a configuration setting, or an event.
33. The computer program product recited in claim 20, wherein the network policy includes a network security rule that is based on the domain name, and wherein the network policy includes one or more of the following rules based on the domain name: a routing rule, a Quality of Service (QoS) rule, and a workload balancing rule.
34. The computer program product recited in claim 20, wherein the domain name only includes a subset of the FQDN, and the policy includes a host name that is not specified as the FQDN.
35. The computer program product recited in claim 20, further comprising:
dynamically performing a resolution of the domain name from a central policy manager for implementing the network policy based on the domain name for enforcing the network policy based on the domain name, wherein the domain name was not resolved or updated prior to enforcing the network policy.
36. The computer program product recited in claim 20, further comprising:
enforcing the network policy based on the IP address, wherein the IP address is associated with the domain name, and the policy includes a rule or action based on the domain name.
37. The computer program product recited in claim 20, further comprising:
enforcing the network policy based on the IP address, wherein the IP address is associated with the domain name, and the policy includes a rule or action based on the domain name; and
monitoring events based on a context sensitive resolution of the domain name.
38. The computer program product recited in claim 20, further comprising:
storing the domain name, a plurality of IP addresses associated with the domain name, and a Time To Live (TTL) value for each of the IP addresses associated with the domain name in a data store including one or more tables.
39. The computer program product recited in claim 20, further comprising:
reporting events based on network security threats, wherein the reported events include one or more domain names associated with at least one of the network security threats.
40. The computer program product recited in claim 20, further comprising:
dynamically updating the IP address information at enforcement time.