HP OfficeConnect Firewall Series Uživatelský manuál stáhnout pdf (Strana 132)

Appendix 21. SAFETY INFORMATION OfficeConnect VPN Firewall User’s Manual

118

Figure 20.2. Using the nslookup Utility

There may be several addresses associated with an Internet name. This is

common for web sites that receive heavy traffic; they use multiple, redundant

servers to carry the same information.

To exit from the nslookup utility, type exit and press <Enter> at the command

prompt.

1 2 ... 127 128 129 130 131 132 133 134 135 136 137 ... 155 156

OfficeConnect 1
Introduction 3
List of Tables 12
1 Introduction 14
1.3.3 Special messages 15
2 Getting to Know the 17
2.4 Major Features 18
2.4.2 VPN 20
3 Quick Start Guide 23
3.3.1 Before you begin 26
3.3.2 Windows® XP PCs: 26
3.3.3 Windows® 2000 PCs: 26
3.4.2 Testing Your Setup 32
4 Getting Started with the 35
5 Configuring LAN Settings 39
5.2.1 What is DHCP? 40
5.2.2 Why use DHCP? 41
just go to the DHCP Server 43
5.4 DNS 44
5.6 Viewing LAN Statistics 46
6 Configuring VLAN Settings 47
7 Configuring Spanning Tree 49
8 Configuring WAN Settings 53
8.3 PPTP 54
8.4 Dynamic IP 55
8.5 Static IP 56
8.6 Viewing WAN Statistics 57
9 Configuring Routes 59
9.3 Static Routing 60
9.3.2 Adding Static Routes 61
10 Configuring DDNS 63
11 Configuring Firewall/NAT 65
11.2 NAT Overview 66
11.2.3 Reverse Static NAT 67
Enable Web 74
Content Filter 74
11.6.2.3 Add a Service 79
11.6.2.4 Modify a Service 80
11.6.2.5 Delete a Service 80
11.6.4 Configuring Schedule 82
11.6.4.3 Add a Schedule 83
11.6.4.4 Schedule Example 84
Policies table 85
12.1 Overview 89
13 Configuring WAN Load 93
14 Configuring IPSec VPN 97
14.2.2 Modify VPN Rules 101
14.2.3 Delete VPN Rules 101
14.2.4 Display VPN Rules 101
14.3.2 Modify VPN Rules 102
14.3.3 Delete VPN Rules 102
14.3.4 Display VPN Rules 103
2 (ISR2) 105
15 Configuring L2TP Server 109
16 Configuring PPTP Server 111
17 System Management 115
17.5 Setup Date and Time 118
17.7 Upgrade Firmware 119
17.10 Configuring Logging 120
17.11 Configuring SNMP 121
18 ALG Configuration 123
IP Addresses, Network Masks 125
19.3 Subnet masks 126
20 Troubleshooting 129
20.1.1 ping 130
20.1.2 nslookup 131
21 SAFETY INFORMATION 133
22 OBTAINING SUPPORT FOR 135
Contact Us 136
23 END USER SOFTWARE 143
24 Regulatory Notices 144
25 Glossary 145
26 Index 151

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