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Glossary, Description

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Appendix C Glossary Glossary Description DSL (Digital Subscriber Line) A technology that allows data to be sent or received over existing traditional phone lines. Application Level Gateway (ALG) is application specific ALG （ Application Layer translation agent that allows an application on a host in one Gateway） A address realm to connect to its counterpart running on a host in different realm transparently. ARP （ Address Resolution Internet protocol used to map an IP address to a MAC address. Protocol） A security protocol that provides data authentication and AH（Authentication Header）optional anti-replay services. AH is embedded in the data to be protected (a full IP datagram). DDNS （ Dynamic Domain The capability of assigning a fixed host and domain name to a Name Server） dynamic Internet IP address. DHCP （ Dynamic Host A protocol that automatically configure the TCP/IP parameters Configuration Protocol） for the all the PCs that are connected to a DHCP server. D A Demilitarized Zone allows one local host to be exposed to the DMZ（Demilitarized Zone） Internet for a special-purpose service such as Internet gaming or videoconferencing. DNS（Domain Name Server） An Internet Server that translates the names of websites into IP addresses. ESP（Encapsulating E Security Payload） Security protocol that provides data privacy services, optional data authentication, and anti-replay services. ESP encapsulates the data to be protected. FTP（File Transfer F Protocol） Application protocol, part of the TCP/IP protocol stack, used for transferring files between network nodes. GMT （ Greenwich Mean It is a term originally referring to mean solar time at the Royal G Time） Observatory in Greenwich, London. -160-

Section	Page
Package Contents	6
Chapter 1 About this Guide	7
1.1 Intended Readers	7
1.2 Conventions	7
1.3 Overview of this Guide	7
Chapter 2 Introduction	9
2.1 Overview of the Router	9
2.2 Features	10
2.3 Appearance	11
2.3.1 Front Panel	11
2.3.2 Rear Panel	13
Chapter 3 Configuration	14
3.1 Network	14
3.1.1 Status	14
3.1.2 System Mode	14
3.1.3 WAN	17
3.1.4 LAN	34
3.1.4.1 LAN	34
3.1.4.2 DHCP	34
3.1.4.3 DHCP Client	36
3.1.4.4 DHCP Reservation	36
3.1.5 DMZ	37
3.1.5.1 DMZ	38
3.1.6 MAC Address	39
3.1.7 Switch	41
3.1.7.1 Statistics	41
3.1.7.2 Port Mirror	42
3.1.7.3 Rate Control	44
3.1.7.4 Port Config	45
3.1.7.5 Port Status	46
3.1.7.6 Port VLAN	47
3.2 User Group	47
3.2.1 Group	48
3.2.2 User	48
3.2.3 View	49
3.3 Advanced	50
3.3.1 NAT	50
3.3.1.1 NAT Setup	50
3.3.1.2 One-to-One NAT	51
3.3.1.3 Multi-Nets NAT	52
3.3.1.4 Virtual Server	55
3.3.1.5 Port Triggering	57
3.3.1.6 ALG	59
3.3.2 Traffic Control	59
3.3.2.1 Setup	60
3.3.2.2 Bandwidth Control	61
3.3.3 Session Limit	63
3.3.3.1 Session Limit	63
3.3.3.2 Session List	64
3.3.4 Load Balance	64
3.3.4.1 Configuration	64
3.3.4.2 Policy Routing	65
3.3.4.3 Link Backup	66
3.3.4.4 Protocol	68
3.3.5 Routing	69
3.3.5.1 Static Route	69
3.3.5.2 RIP	71
3.3.5.3 Route Table	73
3.4 Firewall	74
3.4.1 Anti ARP Spoofing	74
3.4.1.1 IP-MAC Binding	74
3.4.1.2 ARP Scanning	76
3.4.1.3 ARP List	77
3.4.2 Attack Defense	77
3.4.3 MAC Filtering	79
3.4.4 Access Control	80
3.4.4.1 URL Filtering	80
3.4.4.2 Web Filtering	82
3.4.4.3 Access Rules	82
3.4.4.4 Service	84
3.4.5 App Control	86
3.4.5.1 Control Rules	86
3.4.5.2 Database	87
3.5 VPN	88
3.5.1 IKE	88
3.5.1.1 IKE Policy	89
3.5.1.2 IKE Proposal	91
3.5.2 IPsec	92
3.5.2.1 IPsec Policy	93
3.5.2.2 IPsec Proposal	96
3.5.2.3 IPsec SA	98
3.5.3 L2TP/PPTP	99
3.5.3.1 L2TP/PPTP Tunnel	99
3.5.3.2 IP Address Pool	102
3.5.3.3 List of L2TP/PPTP Tunnel	103
3.6 Services	103
3.6.1 PPPoE Server	103
3.6.1.1 General	103
3.6.1.2 IP Address Pool	105
3.6.1.3 Account	106
3.6.1.4 Exceptional IP	108
3.6.1.5 List of Account	109
3.6.2 E-Bulletin	109
3.6.3 Dynamic DNS	111
3.6.3.1 DynDNS	112
3.6.3.2 No-IP	113
3.6.3.3 PeanutHull	114
3.6.3.4 Comexe	116
3.6.4 UPnP	117
3.7 Maintenance	118
3.7.1 Admin Setup	118
3.7.1.1 Administrator	118
3.7.1.2 Login Parameter	119
3.7.1.3 Remote Management	120
3.7.2 Management	121
3.7.2.1 Factory Defaults	121
3.7.2.2 Export and Import	121
3.7.2.3 Reboot	122
3.7.2.4 Firmware Upgrade	123
3.7.3 License	123
3.7.4 Statistics	124
3.7.4.1 Interface Traffic Statistics	124
3.7.4.2 IP Traffic Statistics	125
3.7.5 Diagnostics	126
3.7.5.1 Diagnostics	126
3.7.5.2 Online Detection	128
3.7.6 Time	129
3.7.7 Logs	130
Chapter 4 Application	132
4.1 Network Requirements	132
4.2 Network Topology	133
4.3 Configurations	133
4.3.1 Internet Setting	133
4.3.1.1 System Mode	134
4.3.1.2 Internet Connection	134
4.3.1.3 Link Backup	134
4.3.2 VPN Setting	135
4.3.2.1 IPsec VPN	135
4.3.2.2 PPTP VPN Setting	139
4.3.3 Network Management	141
4.3.3.1 User Group	141
4.3.3.2 App Control	142
4.3.3.3 Bandwidth Control	143
4.3.3.4 Session Limit	145
4.3.4 Network Security	145
4.3.4.1 LAN ARP Defense	146
4.3.4.2 WAN ARP Defense	147
4.3.4.3 Attack Defense	148
4.3.4.4 Traffic Monitoring	148
Chapter 5 CLI	151
5.1 Configuration	151
5.2 Interface Mode	154
5.3 Online Help	155
5.4 Command Introduction	157
5.4.1 ip	157
5.4.2 ip-mac	157
5.4.3 sys	158
5.4.4 user	159
5.4.5 history	160
5.4.6 exit	161
Appendix A Hardware Specifications	162
Appendix B FAQ	163

Match case Limit results 1 per page

-160-

Appendix C Glossary

Glossary

Description

DSL

(Digital Subscriber

Line)

A technology that allows data to be sent or received over

existing traditional phone lines.

ALG

（

Application Layer

Gateway

）

Application Level Gateway (ALG) is application specific

translation agent that allows an application on a host in one

address realm to connect to its counterpart running on a host in

different realm transparently.

ARP

（

Address Resolution

Protocol

）

Internet protocol used to map an IP address to a MAC address.

（

Authentication Header

）

A security protocol that provides data authentication and

optional anti-replay services. AH is embedded in the data to be

protected (a full IP datagram).

DDNS

（

Dynamic Domain

Name Server

）

The capability of assigning a fixed host and domain name to a

dynamic Internet IP address.

DHCP

（

Dynamic

Host

Configuration Protocol

）

A protocol that automatically configure the TCP/IP parameters

for the all the PCs that are connected to a DHCP server.

DMZ

（

Demilitarized Zone

）

A Demilitarized Zone allows one local host to be exposed to the

Internet for a special-purpose service such as Internet gaming

or videoconferencing.

DNS

（

Domain Name

Server

）

An Internet Server that translates the names of websites into IP

addresses.

ESP

（

Encapsulating

Security Payload

）

Security protocol that provides data privacy services, optional

data authentication, and anti-replay services. ESP encapsulates

the data to be protected.

FTP

（

File Transfer

Protocol

）

Application protocol, part of the TCP/IP protocol stack, used for

transferring files between network nodes.

GMT

（

Greenwich Mean

Time

）

It is a term originally referring to mean solar time at the Royal

Observatory in Greenwich, London.