MISSION CRITICAL! INTERNET SECURITY phần 10 docx

... 218 security, issues, 99 102 support, 248 traffic, 334 tunnel, 86 usage, 212–218, 350, 351 Internet Relay Chat (IRC), 171 ports, 69 Internet security applications FAQs, 144–145 integration, 106 107 Internet ... 78–79 pros/cons, 83–84 Internet Protocol Security (IPSec), 31, 34–36, 74, 155, 190 configuration walkthrough, 218–226 conversation, setup, 218–226 FAQs, 102 103 MMC Co...

Ngày tải lên: 14/08/2014, 17:21

... www.syngress.com Figure 3.4 Iterated tunneling. 101 0101 0101 0101 0101 0101 0101 0101 0101 0101 0101 0101 0101 0 101 0101 0101 0101 0101 0101 0101 0101 0101 0101 0101 0101 0101 0 Host 1 Host 2Firewall Firewall Internet SA #1 SA #2 115_MC_intsec_03 ... 12/12/00 3:08 PM Page 85 108 Chapter 4 • Internet Security Applications Security Services Most security software can be discusse...

Ngày tải lên: 14/08/2014, 17:21

... connect. Possible Security Risks Several of the preceding sections detail security services available to you in Windows 2000. You should also know about some of the potential security issues you ... Navigator or Internet Explorer can be con- figured manually or automatically as Web Proxy clients. To configure a client that uses Internet Explorer as the default browser, start Interne...

Ngày tải lên: 14/08/2014, 17:21

... Knocking? 100 He Sent Us What? 101 Who Has the Certificate? 101 Summary 102 FAQs 102 Chapter 4 Internet Security Applications 105 Introduction 106 Integration of Internet Security Applications 106 Security ... Security Applications 106 Security Concerns 107 Security Services 108 Cryptography 108 Keys 109 115_MC_intsec_TOC 12/13/00 10: 16 AM Page xiii Se...

Ngày tải lên: 14/08/2014, 17:21

... requires security as well as Web or content caching. A firewall can be used if you do not need to cache Internet content, but you still require security for your Internet connection. Most security ... 2 • Internetwork Security Concepts Introduction The key to network security can be found in understanding the choices and strategies available to you—look to the building blocks of...

Ngày tải lên: 14/08/2014, 17:21

... and logical security of these machines is important. Internet Information Services 5 (IIS 5), Internet Explorer 5, COM+, and SQL Server 2000 are all Kerberos-enabled. Potential Security Risks ... SS ( FastHub 100 T/FX Reset POWER Link Fast Ethernet (100 Mbps) Utilizatio n (M b ps ) Disabled Receive Collis ion 1x 2x 3x 4x 5x 6x 7x 8x 9x 10x 11x 12x 13x 14x 15x 16 Tx Rx 1+ 5+ 10+ 15+...

Ngày tải lên: 14/08/2014, 17:21

... Settings, expand Security Settings, and click on IP Security Policies. In the right pane you will see the built-in Security Policies. 2. Right-click on IP Security Policies and click on Create IP Security Policy. 3. ... overview of the Windows 2000 security structure. The following section examines Windows 2000’s distributed security services in detail, with the focus on how int...

Ngày tải lên: 14/08/2014, 17:21

... follows: Router(config)# access-list 3 permit 192.168 .10. 15 0.0.0.0 access-list 3 permit 192.168 .10. 16 0.0.0.0 access-list 3 permit 192.168 .10. 17 0.0.0.0 access-list 3 deny 192.168 .10. 0 0.0.0.0.255 access-list 3 permit ... commands: access-list 3 permit 192.168 .10. 15 0.0.0.0 access-list 3 permit 192.168 .10. 16 0.0.0.0 access-list 3 permit 192.168 .10. 17 0.0.0.0 access-list 3 deny 1...

Ngày tải lên: 14/08/2014, 17:21

... network if the security policy is not carefully defined beforehand. www.syngress.com Avoiding Reactive Security Measures A security policy is the most important aspect in network security. As a manager, ... Fast Ethernet 10/ 100 ports, 32MB of RAM for the 515R and 64MB of RAM for the 515UR model, and will support up to two additional network interface cards in the chassis. Additionall...

Ngày tải lên: 14/08/2014, 17:21

... well. www.syngress.com 115_MC_intsec _10 12/12/00 3:18 PM Page 435 410 Chapter 10 • Axent Technologies Raptor Firewall 6.5 4. Next, select whether to allow internal users to send e-mail to external locations (see Figure 10. 14). ... deleted. www.syngress.com Figure 10. 12 Select the services you would like to set up using the wizard. Figure 10. 13 Enter the IP or DNS address of the se...

Ngày tải lên: 14/08/2014, 17:21