Network Security Foundations phần 5 ppsx

... staff. Physical Security Physical security is the set of security measures that don’t apply to computers specifically, like locks on doors, security guards, and video surveillance. Without physical security ... 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 se...

Ngày tải lên: 13/08/2014, 15:21

... particular platform. Who Should Read This Book? Network Security Foundations is designed to teach the fundamentals of computer and network security to people who are fairly new to the topic: ... operate these machines, security was not a problem. With so many other problems to solve, computer security wasn’t even on the research horizon at this time. 1 955 –19 65 A...

Ngày tải lên: 13/08/2014, 15:21

... to retrieve the original number. For example, let’s say that we’re going to divide 46,8 35, 3 45 by 26 ,58 5. This results in 1,761 with a remainder of 19,160. So let’s say that we have an algorithm ... two people were aware of the original dividend (46,8 35, 3 45) in the previous scenario and you told them to divide the number they knew by 26 ,58 5, discard the whole product, and tell y...

Ngày tải lên: 13/08/2014, 15:21

... stay in the security loop. Updating the Security Policy So, you’ve outlined your security requirements, derived a security policy, refined elements of policy, separated them into human security ... integrate a new device into your network, you need to con- sider its security ramifications and update your security policy. In short, you’re never done. The Security Cycle Secu...

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 ... transparent firewalls tunneling Network Address Translation virtual private networking packet filters virus scanning 4374Book.fm Page 85 Tuesday, August 10, 2004 10:46 AM Virtua...

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

... AM Unix Network Security 193 Remote Logon Security local area network (LAN) A network in which all participants can communicate directly without the need for routing at the Network ... their security was weak and is now considered compromised. This chapter provides an overview of the basic network security mech- anisms available to Unix, including their relative me...

Ngày tải lên: 13/08/2014, 15:21

... and numerous security fixes. IIS 4 also introduced an entirely new tree-based management console. IIS 5 is a security fix version of IIS 4 that shipped with Windows 2000. IIS 5 includes WebDAV ... IIS, use a security proxy to shore up security. Microsoft’s Internet Security and Acceleration Server is a good and relatively inexpensive choice that provides an astounding array o...

Ngày tải lên: 13/08/2014, 15:21

... of a security policy? Answer: A security policy describes security rules for your computer systems and defends against all known threats. 2. What is the first step in developing a security ... Unix. 5. Factoring in the growth of the Internet, at what rate is the number of computer security incidents increasing? Answer: The number of computer security incidents is...

Ngày tải lên: 13/08/2014, 15:21

... List), 155 , 278, 297 in security descriptor, 155 SAM (Security Accounts Manager), 151 Samba, 2 05 206 sandbox, 63, 2 95 Santa Cruz Operation (SCO), 1 75 Sasser virus, 5 scan, 28, 271, 2 95 .scr file ... system and security auditing, 264 as hacker focus, 12 local security, 150 – 151 Encrypting File System (EFS), 158 – 159 NTFS file system permissions, 157 – 158 objects and per...

Ngày tải lên: 13/08/2014, 15:21