... 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 ... anyone except the
homeowner regardless of how trustworthy the person is.
HOME NETWORKSECURITY
REQUIREMENTS
The requirements for security in a homenetwork depend
on how home is defined. ... as the network within that home.
If the network is just a link from a cable modem to a
single PC, then one length of network cable would
accomplish all the networksecurity that the homeowner...
...
www.watchguard.com page 2
Producing YourNetworkSecurity Policy
Executive Summary
Network security experts agree that well-run corporations need a written security policy. The policy sets
appropriate ... Misconceptions
1. "The goal of networksecurity is to secure the network& quot; (or "the computers"). Securing the
network is easy, but it's not your goal. Your real goal ― and a more ... mention of a security incident made to people outside your organization can have unforeseen
repercussions. Your policy should state who is authorized to discuss your company's security with...
... Planning and Performing Security Assessments
1 Introduction to Performing Security Assessments 3
Role of Security Assessments in NetworkSecurity 4
Why Does NetworkSecurity Fail? 5
Human ... the roles that security
assessments have in network security. The bottom line is that security assess-
ments will help you ensure that networksecurity won’t fail. Defensive security
measures ... security on a network. In an IT security
audit, the auditor and your organization’s security policies and procedures use
a baseline. A proper IT security audit will help determine whether your...
...
K
A-KDC
(A,B)
K
A-KDC
(R1, K
B-KDC
(A,R1) )
8: Network Security
8-2
Chapter 8: Network Security
Chapter goals:
❒
understand principles of network security:
❍
cryptography and its
many
uses ...
“confidentiality”
❍
authentication
❍
message integrity
❍
key distribution
❒
security in practice:
❍
firewalls
❍
security in application, transport, network, link
layers
8: Network Security
8-10
Symmetric key cryptography
substitution ... create
a packet
“spoofing”
Alice’s address
“I am Alice”
Alice’s
IP address
8: Network Security
8-1
Chapter 8
Network Security
A note on the use of these ppt slides:
We’re making these slides freely...
...
Topic 3G
Windown 2003 network security
Trong chủ đề này, bạn sẽ xem xét các tác động của biến bật / tắt các giao thức NetBIOS trên một
máy Windown 2003.NetBIOS là viết tắt của Network Basic Input ... 3G-1
Investigating Printer Spooler Security
1. Trong phân vùng khởi động, tạo folder có tên là Share.
2. Nhấp chuột phải vào folder đó, và chọn Sharing And Security.
3. Click Share This Folder, ... cửa sổ đang mở.
TASK 3G-6
Configure Server 2003
1. Từ Start Menu, chọn Administrative ToolsLocal Security Policy.
2. Mở Account Policies, Password Policy.
3. Thiết lập các tùy chọn sau đây:
● Enfore...
... toán)
-
Strong Encrytion (bảo mật mạnh)
-
Security Policies (chính sách an ninh)
16
Network Security Course
SUBNETTING
Broadcasting
IP: 165.134.8.123
Network: 165.134.0.0
Subnet mask: 255.255.0.0
Broadcast: ... Kỹ Thuật Mã hóa
7. Hệ thống xác thực
8. Virtual Private Networks
9. Kỹ Thuật tấn công
10. Luật, chính sách an toàn thông tin
11
Network Security Course
CƠ BẢN VỀ AN NINH MẠNG
CƠ BẢN VỀ AN NINH MẠNG
Các ... Header checksum
Source Address
Destination Address
Options
Data
AN TOÀN DỮ LIỆU TRÊN
ĐƯỜNG TRUYỀN
Network Security Course
9
m m’
Trudy
♦
Making data un-readable by protocol
analyzers and other “man-in-the-middle”
methods on the network.
Alice
Bob
BÀI TẬP 4
Sau khi dùng Sniffing software để bắt thông tin phân tích gói
thông tin gửi đi từ host A
Gói 1:
Protocol ...