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Single address, Subnet address, Tunnel, Transport, Encryption, Algorithm, Authentication, AES128

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Chapter 8 Security Table 60 IPSec VPN: Add (continued) LABEL Address Type Start IP Address DESCRIPTION Select Single address or Subnet address to specify if the VPN connection terminates at an IP address or subnet. If Single address is selected, enter a (static) IP address on the LAN behind the remote IPSec's router. Subnet Mask Remote Port If Subnet address is selected, specify IP addresses on a network by their subnet mask by entering a (static) IP address on the LAN behind the remote IPSec's router. Then enter the subnet mask to identify the network address. If Subnet address is selected, enter the subnet mask to identify the network address. Select how the WiMAX Device checks the connection. The peer must be configured to respond to the method you select. Select icmp to have the WiMAX Device regularly ping the address you specify to make sure traffic can still go through the connection. You may need to configure the peer to respond to pings. IPSec Proposal Encapsulation Mode Active Protocol Select tcp or udp to have the WiMAX Device regularly perform a TCP or UDP handshake with the address you specify to make sure traffic can still go through the connection. You may need to configure the peer to accept the TCP or UDP connection. If you select tcp or udp, specify the port number to use for the connectivity check. Select Tunnel mode or Transport mode from the drop-down list box. Select the security protocols used for an SA. Both AH and ESP increase processing requirements and communications latency (delay). Encryption Algorithm If you select ESP here, you must select options from the Encryption Algorithm and Authentication Algorithm fields (described below). Select which key size and encryption algorithm to use in the IPSec SA. Choices are: • DES - a 56-bit key with the DES encryption algorithm • 3DES - a 168-bit key with the DES encryption algorithm • AES128 - a 128-bit key with the AES encryption algorithm • AES192 - a 192-bit key with the AES encryption algorithm • AES256 - a 256-bit key with the AES encryption algorithm The WiMAX Device and the remote IPSec router must use the same key size and encryption algorithm. Longer keys require more processing power, resulting in increased latency and decreased throughput. Authentication Select which hash algorithm to use to authenticate packet data. Choices are Algorithm SHA1 and MD5. SHA1 is generally considered stronger than MD5, but it is also slower. SA Life Time Define the length of time before an IPSec SA automatically renegotiates in this field. A short SA Life Time increases security by forcing the two VPN gateways to update the encryption and authentication keys. However, every time the VPN tunnel renegotiates, all users accessing remote resources are temporarily disconnected. WiMAX Device Configuration User's Guide 143

Section	Page
WiMAX CPE Series	1
About This User's Guide	3
Document Conventions	4
Safety Warnings	6
Contents Overview	7
Table of Contents	9
User’s Guide	15
Introduction to the Series	17
1.1 About Your WiMAX Device	17
1.1.1 WiMAX Internet Access	18
1.1.2 Models with Phone Ports	18
1.1.3 Models with WiFi	19
1.2 Good Habits for Managing the WiMAX Device	19
Introduction to the Web Configurator	20
2.1 Overview	20
2.1.1 Accessing the Web Configurator	20
2.1.2 Saving and Canceling Changes	21
2.1.3 Working with Tables	21
2.2 The Main Screen	22
Setup Wizard	25
3.1 Overview	25
3.1.1 Welcome to the Setup Wizard	25
3.1.2 LAN Settings	26
3.1.3 WiMAX Frequency Settings	27
3.1.4 WiMAX Authentication Settings	28
3.1.5 VoIP Settings	30
3.1.6 WLAN Settings	32
3.1.7 Setup Complete	34
Tutorials	35
4.1 Overview	35
4.2 WiMAX Connection Settings	35
4.3 Setting Up a Small Network for the LAN	36
4.4 Making a Telephone Call Over the Internet	38
4.4.1 Configure Your SIP Account	38
4.5 Blocking Web Access from the WiMAX Device	40
4.6 Restricting Wireless Access to the WiMAX Device	40
4.7 Allowing Internet Users to use Internal Servers	42
4.8 Access the WiMAX Device with a Domain Name	44
4.8.1 Registering a DDNS Account on www.dyndns.org	45
4.8.2 Configuring DDNS on Your WiMAX Device	46
4.8.3 Testing the DDNS Setting	46
4.9 Configuring Static Route for Routing to Another Network	46
4.10 Remotely Managing Your WiMAX Device	48
4.11 Changing Certificate to Communicate with Other Networks	49
4.12 Using Virtual Networks	50
4.12.1 Scenario 1	51
4.12.2 Scenario 2	52
4.12.3 Scenario 3	54
4.12.4 Scenario 4	56
4.12.5 Scenario 5	58
Technical Reference	61
System Status	63
5.1 Overview	63
5.2 System Status	63
WiMAX	67
6.1 Overview	67
6.1.1 What You Need to Know	67
6.2 Connection Settings	70
6.3 Frequency Settings	72
6.4 Authentication Settings	74
6.5 Channel Plan Settings	77
6.6 CAPL Settings	79
6.6.1 CAPL Settings: Add	80
6.7 RAPL Settings	81
6.8 Home NSP Settings	82
6.9 Connect	83
6.10 Wide Scan	85
6.11 Link Status	87
6.12 Link Statistics	88
6.13 Connection Info	89
6.14 Service Flow	89
Network Setting	91
7.1 Overview	91
7.1.1 What You Need to Know	91
7.2 WAN	94
7.3 PPPoE	96
7.4 GRE	97
7.5 EtherIP	98
7.6 IP	98
7.7 DHCP	99
7.8 WLAN	100
7.9 WPS	102
7.10 MAC Address Filter	103
7.11 Static Route	104
7.12 Static Route Add	104
7.13 RIP	105
7.14 Port Forwarding	107
7.14.1 Port Forwarding Wizard	108
7.15 Port Trigger	108
7.15.1 Port Trigger Wizard	110
7.15.2 Trigger Port Forwarding Example	111
7.16 DMZ	111
7.17 ALG	112
7.18 QoS	113
7.19 UPnP	113
7.19.1 Installing UPnP in Windows XP	114
7.19.2 Web Configurator Easy Access	118
7.20 VLAN	119
7.21 DDNS	121
7.22 IGMP Proxy	123
7.23 Content Filter	123
Security	125
8.1 Overview	125
8.1.1 What You Need to Know	125
8.2 IP Filter	125
8.3 MAC Filter	126
8.4 DDOS	127
8.5 PPTP VPN Server	129
8.6 PPTP VPN Client	130
8.7 PPTP VPN Client: Add	131
8.8 L2TP VPN Server	133
8.9 L2TP VPN Client	135
8.10 L2TP VPN Client: Add	135
8.11 IPSec VPN	137
8.11.1 IPSec VPN: Add	139
8.12 Technical Reference	144
8.12.1 IPSec Architecture	144
8.12.2 Encapsulation	145
8.12.3 IKE Phases	146
8.12.4 Negotiation Mode	147
8.12.5 IPSec and NAT	147
8.12.6 VPN, NAT, and NAT Traversal	148
8.12.7 ID Type and Content	148
8.12.8 Pre-Shared Key	150
8.12.9 Diffie-Hellman (DH) Key Groups	150
The VoIP General Screens	151
9.1 VoIP Overview	151
9.1.1 What You Need to Know	151
9.1.2 Before you Begin	152
9.2 Media	153
9.3 QoS	154
9.4 SIP Settings	155
9.5 Speed Dial	155
9.6 Technical Reference	156
9.6.1 DSCP and Per-Hop Behavior	156
The VoIP Account Screens	157
10.1 Overview	157
10.1.1 What You Need to Know	157
10.2 Status	160
10.3 Server	161
10.4 SIP	163
10.5 Feature	165
10.6 Dialing	166
10.7 FAX	167
10.8 Technical Reference	167
10.8.1 SIP Call Progression with Session Timer	167
10.8.2 SIP Client Server	170
The VoIP Line Screens	171
11.1 Overview	171
11.1.1 What You Need to Know	171
11.2 Phone	172
11.3 Voice	172
11.4 Region	173
Maintenance	175
12.1 Overview	175
12.1.1 What You Need to Know	175
12.2 Password	180
12.3 HTTP	181
12.4 Telnet	181
12.5 SSH	182
12.6 SNMP	183
12.7 CWMP	183
12.8 OMA-DM	185
12.9 Date/Time	187
12.10 Time Zone	187
12.11 Upgrade File	188
12.11.1 The Firmware Upload Process	189
12.12 Upgrade Link	189
12.13 CWMP Upgrade	189
12.14 Backup/Restore	190
12.15 Restore	190
12.15.1 The Restore Configuration Process	191
12.16 Factory Defaults	191
12.17 Log Setting	192
12.18 Log Display	192
12.19 Network Test	193
12.20 Traceroute	194
12.21 About	194
12.22 Reboot	195
Troubleshooting	197
13.1 Power, Hardware Connections, and LEDs	197
13.2 WiMAX Device Access and Login	198
13.3 Internet Access	199
13.4 Wireless Internet Access (for Models with WiFi)	201
13.5 Phone Calls and VoIP (for Models with Phone Ports)	201
13.6 Reset the WiMAX Device to Its Factory Defaults	202
13.6.1 Pop-up Windows, JavaScript and Java Permissions	202
Product Specifications	203
WiMAX Security	207
Importing Certificates	211
Common Services	237
Open Software Announcements	241
Legal Information	277

Match case Limit results 1 per page

Chapter 8 Security

WiMAX Device Configuration User’s Guide

143

Address Type

Select

Single address

Subnet address

to specify if the VPN connection

terminates at an IP address or subnet.

Start IP

Address

Single address

is selected, enter a (static) IP address on the LAN behind the

remote IPSec’s router.

Subnet address

is selected, specify IP addresses on a network by their

subnet mask by entering a (static) IP address on the LAN behind the remote

IPSec’s router. Then enter the subnet mask to identify the network address.

Subnet Mask

Subnet address

is selected, enter the subnet mask to identify the network

address.

Remote Port

Select how the WiMAX Device checks the connection. The peer must be

configured to respond to the method you select.

Select

icmp

to have the WiMAX Device regularly ping the address you specify to

make sure traffic can still go through the connection. You may need to configure

the peer to respond to pings.

Select

tcp

udp

to have the WiMAX Device regularly perform a TCP or UDP

handshake with the address you specify to make sure traffic can still go through

the connection. You may need to configure the peer to accept the TCP or UDP

connection. If you select

tcp

udp

, specify the port number to use for the

connectivity check.

IPSec Proposal

Encapsulation

Mode

Select

Tunnel

mode or

Transport

mode from the drop-down list box.

Active

Protocol

Select the security protocols used for an SA.

Both

and

ESP

increase processing requirements and communications latency

(delay).

If you select

ESP

here, you must select options from the

Encryption

Algorithm

and

Authentication

Algorithm

fields (described below).

Encryption

Algorithm

Select which key size and encryption algorithm to use in the IPSec SA. Choices

are:

•

DES

- a 56-bit key with the DES encryption algorithm

•

3DES

- a 168-bit key with the DES encryption algorithm

•

AES128

- a 128-bit key with the AES encryption algorithm

•

AES192

- a 192-bit key with the AES encryption algorithm

•

AES256

- a 256-bit key with the AES encryption algorithm

The WiMAX Device and the remote IPSec router must use the same key size and

encryption algorithm. Longer keys require more processing power, resulting in

increased latency and decreased throughput.

Authentication

Algorithm

Select which hash algorithm to use to authenticate packet data. Choices are

SHA1

and

MD5

SHA1

is generally considered stronger than

MD5

, but it is also

slower.

SA Life Time

Define the length of time before an IPSec SA automatically renegotiates in this

field.

A short SA Life Time increases security by forcing the two VPN gateways to

update the encryption and authentication keys. However, every time the VPN

tunnel renegotiates, all users accessing remote resources are temporarily

disconnected.

Table 60

IPSec VPN: Add (continued)

LABEL

DESCRIPTION