MISSION CRITICAL! INTERNET SECURITY phần 7 ppt

... packet list 17 deny 172 .16.130.89 1 packet list 17 deny 172 .16.130.90 1 packet After five minutes, the log would display as follows: list 17 deny 172 .16.130.88 9 packets list 17 deny 172 .16.130.89 ... any 172 . 17. 0.0 0.0.255.255 established permit tcp any host 172 . 17. 11.19 eq smtp permit tcp 12.0.0.0 0.255.255.255 172 .22.114.0 0.0.0.255 eq 23 permit udp 192.168.10.0 0.0.0.255 hos...

Ngày tải lên: 14/08/2014, 17:21

... whenever an Internet connection takes place. Most products encrypt data for added security. If on-line storage is conducted over the Internet, then the transfer is subjected to the Internet s ... devices can be connected to the network 10 .7 Networked Storage 2 67 10 .7. 1.1 Fibre Channel Connectivity within a SAN is linked using a network transmission standard called Fibre Channel. T...

Ngày tải lên: 14/08/2014, 14:20

... Solution 69 Summary 70 FAQs 71 Chapter 3 IPSec 73 Introduction 74 Comparing IPv4 and IPv6 75 An IPv4 Overview 75 IP Addressing 75 IPv4 Header 76 An IPv6 Overview 78 Expanded Addressing 79 Simplified ... C392K28FA7 004 BG57C87BC2 005 22PCA94DZF 006 55ZP2ALT73 0 07 DUDR5 277 49 008 XRDYEW42T3 009 MPE28494DS 010 SM359PS25L PUBLISHED BY Syngress Publishing, Inc. 800 Hingham S...

Ngày tải lên: 14/08/2014, 17:21

... firewall. PC PC Switch PC PC Internet Deny source packets 165.32.24. 17 Packet Filtering Firewall Packets dropped Intruder 165.32.24. 17 115_MC_intsec_02 12/12/00 3:06 PM Page 59 72 Chapter 2 • Internetwork Security ... for very high security, and the data is broken into 64-bit blocks before it is www.syngress.com 115_MC_intsec_02 12/12/00 3:06 PM Page 47 Internetwork Security Conce...

Ngày tải lên: 14/08/2014, 17:21

... 3:08 PM Page 85 108 Chapter 4 • Internet Security Applications Security Services Most security software can be discussed in terms of the general services it provides. Security software applications ... providing security through encrypted channels, but they remain vulnerable to attack. www.syngress.com 115_MC_intsec_04 12/12/00 3:09 PM Page 124 Internet Security Applications...

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 ... network system Secure IDS Sensor PIX Firewall Internal Company Switch Router Internet 115_MC_intsec_05 12/12/00 3:13 PM Page 176 Internet Security Applications • Chapter 4 143 password...

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

... RAM if an Intel processor is used www.syngress.com Figure 7. 17 The Publishing tab. 115_MC_intsec_ 07 12/12/00 3:06 PM Page 275 272 Chapter 7 • Securing Your Network with Microsoft Proxy Server 2.0 a ... www.syngress.com 115_MC_intsec_ 07 12/12/00 3:06 PM Page 2 57 Securing Your Network with Microsoft Proxy Server 2.0 • Chapter 7 273 Users that employ Netscape Navigator or Inter...

Ngày tải lên: 14/08/2014, 17:21

... Default route. ISP PIX Firewall ip route 0 0 2 07. 139.221.1 Default Gateway for 172 .16.0.0 LAN Router to ISP 2 07. 139.221.1 2 07. 139.221.2 172 .16.0.1 172 .16.0.0 LAN Segment 115_MC_intsec_09 12/12/00 ... ethernet0 public security0 nameif ethernet1 finance security1 00 www.syngress.com Figure 9.6 Secure department to department. IP Packets Company XYZ Finance LAN 172 .16.1.0/24 Comp...

Ngày tải lên: 14/08/2014, 17:21

... packet from 172 .16.0.39 to 212.214.136. 27, protocol 17 received from interface "inside" deny by access-group "acl_out" From this output you can clearly see that host 172 .16.0.39 ... server’s internal IP address is 172 .16.0.16, and the globally assigned IP address will be 2 07. 139.221.40: pixfirewall(config)#static (inside,outside) 2 07. 139.221.40 172 .16.0.16 >netm...

Ngày tải lên: 14/08/2014, 17:21