Network Security Foundations phần 2 docx

... a security concern. Many organizations allow employees to remotely access their computers from home using this method. 4374Book.fm Page 25 Tuesday, August 10, 20 04 10:46 AM 22 Chapter 2 ... example, if a message says it’s 24 0 bytes long but it’s actually 25 6 bytes long, the receiving service may allocate a buffer only 24 0 bytes long but then copy 25 6 bytes of informat...

Ngày tải lên: 13/08/2014, 15:21

... 4374Book.fm Page 28 7 Tuesday, August 10, 20 04 10:46 AM E-mail Security 25 7 Review Questions 1. What problems can e-mail encryption cause? 2. What feature of e-mail causes the majority of security risks? 3. ... step in establishing a security policy is to establish functional requirements, features, and security requirements. 4374Book.fm Page 27 2 Tuesday, August 10, 20 04...

Ngày tải lên: 13/08/2014, 15:21

... Giới thiệu về Network Access Protection (Phần 2) Ngu ồn : quantrimang.com  Trong phần đầu của loạt bài viết này, chúng tôi đã giới thiệu cho các bạn một số khái niệm liên quan đến Network Access ... Protection. Trong phần hai này chúng tôi muốn bắt đầu việc thảo luận về mộ số yêu cầu mạng cơ bản và các điều kiện quyết định khác. Sau đó là quá trình cấu hình như thế nào. Cơ sở...

Ngày tải lên: 12/12/2013, 04:15

... tracks Internet security inci- dents, reported six hacking incidents. In 1999, they reported nearly 10,000. In 20 00, they reported over 22 ,000. In 20 01, they reported over 52, 000 incidents. ... evident since 20 01, with 82, 000 incidents in 20 02 and 138,000 in 20 03, so explosive growth trend appears to be slowing. The following sections are a quick reprisal of computer secu...

Ngày tải lên: 13/08/2014, 15:21

... 10.1.1.7: 123 4 = 128 .110. 121 .1:15465 only for 1 92. 168.13.15:80 From: 10.1.1.7: 123 4 To: 128 .110. 121 .1:80 “close session” From: 128 .110. 121 .1:80 To: 10.1.1.7: 123 4 “send default.html” From: 128 .110. 121 .1:15465 To: ... the traffic on your network appears to be coming from one extremely busy computer. Time Client 10.1.1.7 10.1.1.1 128 .110. 121 .1 1 92. 168.13.15 From: 10.1....

Ngày tải lên: 13/08/2014, 15:21

... attached to your network, a weakness in their home computer security is a weakness in your network security. Be especially vigilant about laptops—they travel from network to network and easily ... Relay security associations (SA) Internet Key Exchange (IKE) T1 leased lines Internetwork Packet Exchange (IPX) virtual private network (VPN) Layer 2 Tunneling Protocol (L2TP)...

Ngày tải lên: 13/08/2014, 15:21

... recommend Mastering Windows Server 20 03 by Mark Minasi (Sybex, 20 03) and Linux Network Servers by Craig Hunt (Sybex, 20 02) . Border Security Border security is an extremely important ... is no security. This simply means that network security and software constructs can’t keep your data secure if your server is stolen. Centralization is axiomatic to security,...

Ngày tải lên: 13/08/2014, 15:21

... your system. Windows Network Security Windows network security is based on a few principle services: ◆ Active Directory ◆ Kerberos ◆ Group Policy ◆ Share security ◆ IPSec All of ... small network with shares, share security techniques don’t really scale well for larger networks and environments where security is required because a new share must be created when...

Ngày tải lên: 13/08/2014, 15:21

... web browsers are not 4374Book.fm Page 22 0 Tuesday, August 10, 20 04 10:46 AM 4374Book.fm Page 21 2 Tuesday, August 10, 20 04 10:46 AM Unix Network Security 20 5 Configuring a Unix web server is easy: ... open. File sharing 4374Book.fm Page 20 0 Tuesday, August 10, 20 04 10:46 AM Unix Network Security 193 Remote Logon Security local area network (LAN) A network...

Ngày tải lên: 13/08/2014, 15:21

... configuration settings is httpd.apache.org/ docs -2. 0/ . 4374Book.fm Page 22 7 Tuesday, August 10, 20 04 10:46 AM Web Server Security 23 3 of the IUSR_COMPUTERNAME user account, which is created ... its operating system than most end users know. 4374Book.fm Page 22 3 Tuesday, August 10, 20 04 10:46 AM Web Server Security 22 9 If you download a script that says you must...

Ngày tải lên: 13/08/2014, 15:21