P-662HW-D Series Support Notes
17. What do the ATM QoS Types (CBR, UBR, VBR-nRT, VBR-RT) mean?
................................................................................................................17
18. What is content filter? .......................................................................17
ADSL FAQ
.................................................................................................19
1. How does ADSL compare to Cable modems?....................................19
2. What is the expected throughput? ......................................................19
3. What is the microfilter used for? .........................................................19
4. How do I know the ADSL line is up?...................................................19
5. How does the P-662HW-D work on a noisy ADSL? ...........................19
6. Does the VC-based multiplexing perform better than the LLC-based
multiplexing?...........................................................................................20
7. How do I know the details of my ADSL line statistics?........................20
8. What are the signaling pins of the ADSL connector?..........................20
9. What is triple play? .............................................................................20
Firewall FAQ .............................................................................................22
General ...................................................................................................22
1. What is a network firewall? ...................................................22
2. What makes P-662HW-D secure?........................................22
3. What are the basic types of firewalls? ..................................22
4. What kind of firewall is the P-662HW-D?..............................23
5. Why do you need a firewall when your router has packet
filtering and NAT built-in? .........................................................23
6. What is Denials of Service (DoS) attack?.............................23
7. What is Ping of Death attack? ..............................................24
8. What is Teardrop attack? .....................................................24
9. What is SYN Flood attack?...................................................24
10. What is LAND attack? ........................................................24
11 What is Brute-force attack? .................................................25
12. What is IP Spoofing attack? ...............................................25
13. What are the default ACL firewall rules in P-662HW-D? ....25
Configuration ..........................................................................................25
1. How do I configure the firewall? ...........................................25
2. How do I prevent others from configuring my firewall? .........25
3. Why can't I configure my P-662HW-D using Web
Configurator/Telnet over WAN? ...............................................26
4. Why can't I upload the firmware and configuration file using
FTP over WAN? .......................................................................27
Log and Alert ..........................................................................................28
1. When does the P-662HW-D generate the firewall log? ........28
2. What does the log show to us? ............................................28
3. How do I view the firewall log? .............................................28
4. When does the P-662HW-D generate the firewall alert? ......29
5. What is the difference between the log and alert?................29
VPN FAQ ...................................................................................................30
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