Network Security Foundations phần 5 ppsx
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 security, and physical security ... Linux Network Servers by Craig Hunt (Sybex, 2002). Border Security Border security is an extremely important measure for preventing hacking. Bor-der security is covered in Chapter 5, and...
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Network Security Foundations phần 1 pps
... 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 As computers moved ... about why computer security is a problem and what the solutions are ◆ Instructors teaching a network security fundamentals course ◆ Students enrolled in a network security fundamentals...
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Network Security Foundations phần 2 docx
... 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 you the remainder, ... Gathering Simple Network Management Protocol (SNMP) A protocol with no inherent security used to query equipment status and modify the configuration of network devices. The Simple Network Management...
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Network Security Foundations phần 3 pps
... stay in the security loop.Updating the Security PolicySo, 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 Security administration is ... between a private network and a public network based on a company’s security policy. Relying on humans to implement security policies rather than establishing auto-matic security limitations...
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Network Security Foundations phần 4 pptx
... 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 ... transparentfirewalls tunneling Network Address Translation virtual private networkingpacket filters virus scanning 4374Book.fm Page 85 Tuesday, August 10, 2004 10:46 AM Virtual Private Networks 99 IPSec ... Relay security associations (SA)Internet Key Exchange (IKE) T1 leased linesInternetwork Packet Exchange (IPX)virtual private network (VPN)Layer 2 Tunneling Protocol (L2TP)wide area network...
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Network Security Foundations phần 6 potx
... your system. Windows Network Security Windows network security is based on a few principle services: ◆ Active Directory ◆ Kerberos ◆ Group Policy◆ Share security ◆ IPSecAll 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 whenever security ... concerning the network. Active Directory is not a security service, but nearly all the security mechanisms built into Windows rely upon the Active Directory as a storage mechanism for security information...
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Network Security Foundations phần 7 pptx
... 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 merits, security ... In This Chapter Chapter 12 Unix Network Security This chapter covers the major contemporary Unix network security mechanisms. There are a number of obsolete Unix...
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Network Security Foundations phần 8 doc
... 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 of security ... different website.Use Virtual Directories to Customize Security Virtual directories have their own IIS security settings and can be used to modify security settings within a website. The following...
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Network Security Foundations phần 9 docx
... 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 increasing at 50 ... a network? Answer: Hackers can use direct intrusion, dial-up, Internet, or wireless methods to connect to a network. 5. What is the most common vector used by hackers to connect to networks?...
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Network Security Foundations phần 10 pdf
... List), 155 , 278, 297in security descriptor, 155 SAM (Security Accounts Manager), 151 Samba, 2 05 206sandbox, 63, 2 95 Santa Cruz Operation (SCO), 1 75 Sasser virus, 5 scan, 28, 271, 2 95 .scr file ... system and security auditing, 264as hacker focus, 12local security, 150 – 151 Encrypting File System (EFS), 158 – 159 NTFS file system permissions, 157 – 158 objects and permissions, 154 – 157 resource ... 154 – 157 resource access, 153 – 154 rights vs. permissions, 157 logging in, 152 mandatory logon, 154 network security, 159 –170Active Directory, 159 –160Group policy, 163–1 65 IPSec, 169–170Kerberos...
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