and in supporting essential network security. Chapter 2 Topics This chapter will cover the following topics and concepts: • What a fi rewall is • Why you need a fi rewall • How fi rewalls work and what they do • What the basics of TCP/IP are • What the types of fi rewalls are • What ingress and egress fi ltering is • What the types of fi rewall fi ltering are • What the difference between software and hardware fi rewalls is • What dual-homed and triple-homed fi rewalls
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and in supporting essential network security. Chapter 2 Topics This chapter will cover the following topics and concepts: • What a fi rewall is • Why you need a fi rewall • How fi rewalls work and what they do • What the basics of TCP/IP are • What the types of fi rewalls are • What ingress and egress fi ltering is • What the types of fi rewall fi ltering are • What the difference between software and hardware fi rewalls is • What dual-homed and triple-homed fi rewalls
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up online backup software to back it up continually. The costs for these services are negligible when considering the frustration and lost time that comes from losing your data. I would like to suggest use static IP addresses to each work station not DHCP. What this means is that the IP address of each machine will remain the same at all times. Removing the variability that is associated with DHCP makes trouble shoots much easier if you have any problems or need to add equipment to the network.
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* Virtual Private Network * VPN (Virtual private network) servis namijenjen je prvenstveno malim i srednjim preduzećima, koja imaju izražene komunikacijske potrebe, ali i svima koji imaju potrebu da koriste prednosti ovog servisa. * Šta je, u stvari, VPN? * Podatkovno povezivanje i komuniciranje više geografskih lokacija u svrhu brzog prijenosa digitalnih podataka i informacija. Usluga VPN (Virtuelna Privatna Mreža) omogućuje umrežavanje i povezivanje računara na više različitih lokacija
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variety of problems and in supporting essential network security. Chapter 2 Topics This chapter covers the following topics and concepts: • What a firewall is • Why you need a firewall • How firewalls work and what they do • What the basics of TCP/IP are • What the types of firewalls are • What ingress and egress filtering is • What the types of firewall filtering are • What the difference between software and hardware firewalls is • What dual-homed and triple-homed firewalls are • What the
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use of the TCP/IP protocol suite (to be covered later) in order to perform connections and communication. The technical coordinating body of the internet is ICANN. Network Solutions used to be responsible for assigning domain names and IP addresses. This function has now been taken over by Internet Corporation for Assigned Names and Numbers(ICANN) which is a division of the U.S. Department of Commerce. Network Solutions still maintains the master database of all domain names and IP addresses.
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Interested in learning more about security? SANS Institute InfoSec Reading Room This paper is from the SANS Institute Reading Room site. Reposting is not permitted without express written permission. Network Security Concepts and Essentials: A University Overview How many computers would a university have? Estimate the number of users? A very large number is the answer, probably in the 10's of thousands and possibly higher. Do all these users authenticate with appropriate encryption
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Table of Contents INTRODUCTION 2 DESIGNING AND IMPLEMENTING AN AUTOMATIC IP-ADDRESSING MECHANISM 3 AUTOMATIC IP-ADDRESSING SCHEME FOR THE UWS NETWORK 3 INSTALLING AND AUTHORIZING A DHCP SERVER 4 CREATING AND CONFIGURATION OF DHCP SCOPES 8 CREATING AND TESTING DHCP CLIENT RESERVATIONS 10 IMPLEMENTING DHCP RELAY AGENTS 12 DOMAIN NAMING STRATEGY 16 DOMAIN NAME SERVICE INSTALLATION 17 DOMAIN NAME SERVICE LOOK UP ZONES 18 ZONE AUTHORITY DELEGATION 23 DNS DYNAMIC UPDATES 25 DNS
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NI-LIMIT 11 NI-LIMIT COMPUTER NETWORK SYSTEM PROPOSAL [Type the document subtitle] [Type the author name] TABLE OF CONTENTS ACKNOWLEDGEMENTS My fellow group members would like to thank our dear lecturer Mrs. Noris Ismail for doing her lecturing job professionally which broadened our knowledge greatly about networking and enabled us to come up with such a detailed proposal for network infrastructure and mixing it with several other ideas to finally make a final report on it. I would
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Workbook Version 1.0 Instructor’s Edition access-group Wildcard Mask access-list Access-List Numbers IP Standard IP Extended Ethernet Type Code Ethernet Address DECnet and Extended DECnet XNS Extended XNS Appletalk 48-bit MAC Addresses IPX Standard IPX Extended IPX SAP (service advertisement protocol) IPX SAP SPX Extended 48-bit MAC Addresses IPX NLSP IP Standard, expanded range IP Extended, expanded range SS7 (voice) Standard Vines Extended Vines Simple Vines Transparent bridging (protocol
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