ZyXEL Communications P-660HW-TX 사용자 설명서

                                      

17. What do the ATM QoS Types (CBR, UBR, VBR-nRT, VBR-RT) mean?
................................................................................................................16 
18. What is content filter? .......................................................................17 

1. How does ADSL compare to Cable modems?....................................18 
2. What is the expected throughput? ......................................................18 
3. What is the microfilter used for? .........................................................18 
4. How do I know the ADSL line is up?...................................................18 
5. How does the P-660HW-Tx v2 work on a noisy ADSL? .....................18 
6. Does the VC-based multiplexing perform better than the LLC-based 
multiplexing?...........................................................................................19 
7. How do I know the details of my ADSL line statistics?........................19 
8. What are the signaling pins of the ADSL connector?..........................19 
9. What is triple play? .............................................................................19 

1. What is a network firewall? ...................................................21 
2. What makes P-660HW-Tx v2 secure? .................................21 
3. What are the basic types of firewalls? ..................................21 
4. What kind of firewall is the P-660HW-Tx v2? .......................22 
5. Why do you need a firewall when your router has packet 
filtering and NAT built-in? .........................................................22 
6. What is Denials of Service (DoS) attack?.............................22 
7. What is Ping of Death attack? ..............................................23 
8. What is Teardrop attack? .....................................................23 
9. What is SYN Flood attack?...................................................23 
10. What is LAND attack? ........................................................23 
11 What is Brute-force attack? .................................................24 
12. What is IP Spoofing attack? ...............................................24 
13. What are the default ACL firewall rules in P-660HW-Tx v2?

1. How do I configure the firewall? ...........................................24 
2. How do I prevent others from configuring my firewall? .........24 
3. Why can't I configure my P-660HW-Tx v2 using Web 
Configurator/Telnet over WAN? ...............................................25 
4. Why can't I upload the firmware and configuration file using 
FTP over WAN? .......................................................................26 

1. When does the P-660HW-Tx v2 generate the firewall log? ..27 
2. What does the log show to us? ............................................27 
3. How do I view the firewall log? .............................................27 
4. When does the P-660HW-Tx v2 generate the firewall alert? 28 
5. What is the difference between the log and alert?................28 

                                     

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