... (or go to Start > Control
Panel > Network)
2. Select your Wireless LAN Card, right click on the icon and select “Properties”. Click on Wireless
Network tab.
3. Select the Access ... Windows XP Wireless Utility as an example.
2. Right click on “My Network Places” on your desktop and select “Properties” (or go to Start >
Control Panel > Network) .
3. Select your Wireless ... Windows XP Wireless Utility as an example.
2. Right click on “My Network Places” on your desktop and select “Properties” (or go to Start >
Control Panel > Network) .
3. Select your Wireless...
...
proper security design (security policy) of the network will be discussed in the section on
countermeasures following this section.
5.5.2 NetworkSecurity Clause 24
BACnet’s NetworkSecurity ... can be implemented to increase network security.
There are two primary types of IDS: network based and host-based. The network based
system acts similarly to a network level firewall. It cannot ... broadcast on the local (trusted) network by wrapping it
in the security envelope and sending it along to every SD and SR it knows. The SR can
control traffic into the trusted network behind it...
... wired network interface port
•
AP functions
–
Wireless communications base station
–
Bridge between the wireless and wired networks
6
Wireless Network Interface Card
(continued)
5
Wireless Network ...
communicate among themselves
Wireless Communications
Wireless LocalArea Networks
4
WLAN Components
•
Minimal hardware needed for a WLAN
–
Computer
–
ISP
–
Wireless network interface card
–
Access ... of wireless clients and an AP
•
Extended Service Set (ESS)
–
Two or more BSS wireless networks installed in same
area
–
Provides users with uninterrupted mobile access to the
network
•
All wireless...
... nhất được nhận dạng bởi thiết bị hai đầu.
5.4 CÔNG NGHỆ VLAN:
VLAN là viết tắt của Virtual LocalAreaNetwork hay còn gọi là mạng LAN
ảo. Một VLAN được định nghĩa là một nhóm logic các thiết ... hình native VLAN thì
phải cấu hình ở giao diện vật lý.
CHƯƠNG II
LÝ THUYẾT VỀ MẠNG
WAN (WIDE AREA NETWORK)
I. KHÁI NIỆM :
Là mạng được thiết lập để liên kết các máy tính của hai hay nhiều khu ... trí rất xa nhau, ví dụ như
những quốc gia khác nhau, thì khi đó ta có mạng diện rộng WAN(Wide Area
Network)
Trang
NGUYỄN ĐÌNH CÔNG – 36CLTH
2929
V./. CÁC CÔNG NGHỆ MẠNG LAN :
5.1. CÔNG NGHỆ CHUYỂN...
... provide security improve-
ments.
9.7 Summary
In this chapter we cover the area of WirelessLocalArea Networks by focusing on a number
of issues:
†
WLAN topologies. The two types of wireless ... Wideband Local Access: Wireless LAN and Wireless ATM, IEEE Commu-
nications Magazine, November, 1997, 34–40.
[15] Geier J. Wireless LANs, Implementing Interoperable Networks, Macmillan Network ... summarized
below:
†
Throughput. Although this is a general requirement for every network, it is an even more
Wireless LocalArea Networks 245
Figure 9.5 Example of frequency reuse
½2
21I
£ ranfðÞ £ Slot_time,...
... Comprehensive Guide to Network Security
page 33
Network Layer The
network layer
describes how systems on different network segments find each
other; it also defines network addresses. A network address ... to serialize network devices (like network cards
or networking hardware) and is a unique identifier that distinguishes it from any other networking device in the
world. No two networking devices ... to your network.
Chapter 2
introduces risk analysis and security policies. The purpose of a risk analysis is to quantify the level of
security your network environment requires. A security...
...
onto a network would be given the key to use that
network.
The choice of wide area coverage networking, as with
wireless or power-line networking, might also restrict the
number of networks ... friends?
Home NetworkSecurity 37
Home NetworkSecurity
Carl M. Ellison, Corporate Technology Group, Intel Corporation
Index words: firewall, UPnP, 802.11, wireless, VPN, security, home networking ... only a wired network and have
no other security. If such a home network uses wireless
networking, one can make sure that link encryption is
used to enforce the policy that only home network
devices...
... Introduction to Security Threats 2
Lesson: Predicting Threats to Security 8
Lab A: Identifying Threats to Network
Security 15
Module 3: Identifying
Threats to Network
Security
10 ... make them the most
dangerous attackers to a network.
Key points
Module 3: Identifying Threats to NetworkSecurity 7
Difficulties in Defending Networks
*****************************
ILLEGAL ... Threats to NetworkSecurity 3
Why Network Attacks Occur
*****************************
ILLEGAL FOR NON
-
TRAINER USE
******************************
Attackers attempt to compromise the security...
... telecommunications, and security, Ted teaches in the Networking and Security
product lines and focuses on TCP/IP, Networking Fundamentals, Network Management, Storage Networking,
and CISSP Preparation. ... an IP network or
subnet.
In most practical networks, all devices in a small business or enterprise network are not located on the same
Ethernet network broadcast domain.
W
e separate the networks ... installation of Ethernet networks, a change was
made to the network topology
.
Networks were converted from
coaxial cable to twisted pair cabling by introducing a new device
into the network. That device...
... and Managing
Cisco Security Fast Track 407
Introduction 408
What Is a Managing
Cisco Security Fast Track? 408
Introduction to Cisco NetworkSecurity 408
Network Security 409
Network Communications ... Detection? 290
Network Attacks and Intrusions 290
Poor Network Perimeter/Device Security 291
Network Sniffers 291
Scanner Programs 291
Network Topology 292
Unattended Modems 292
Poor Physical Security ... Introduction to IP Network Security
You should consider the security during the logical design of a network.
Security considerations can have an effect on the physical design of the
network. You need...
... provide protection for all areas of the network.
Be sure to consider all types of users on the network. Diversity of users on the network makes the
task of networksecurity more complicated. ... detecting network- security vulnerabilities, they may be comple-
mented by a security assessment from professional security consultants. A security assessment is a concentrated analysis
of the security ... States
Service Provider Business Focus Service Area
Table 3
Cisco Powered Network Managed Security Providers
17
Security intelligence services are different from managed -security services, which take operational...