كتاب NETWORK ADMINISTRATION - INSTALLATION AND CONFIGURATION OF eBOX PLATFORM

Odunmbaku Sulaimon Abiola Olusanya Foluseke Adurasanmi NETWORK ADMINISTRATION - INSTALLATION AND CONFIGURATION OF eBOX PLATFORM CONTENTS ACKNOWLEDGEMENTS .......................................................................................................1 LIST OF TABLES .....................................................................................................................8 ABBREVIATIONS ...................................................................................................................9 1 INTRODUCTION ..............................................................................................................11 1.1 BACKGROUND .......................................................................................................11 1.1.1 TCP/IP Networks ...........................................................................................11 1.1.2 UUCP Networks ............................................................................................12 1.1.3 Linux Networking ..........................................................................................13 1.1.4 System Maintenance .......................................................................................13 2 COMPUTER NETWORK ADMINISTRATION .............................................................15 2.1 TYPES OF COMPUTER NETWORK ....................................................................15 2.2 NETWORK TOPOLOGY ........................................................................................17 2.2.1 Mesh Topology ...............................................................................................17 2.2.2 Star Topology .................................................................................................18 2.2.3 Bus Topology .................................................................................................19 2.2.4 Ring Topology ................................................................................................20 2.3 COMPUTER NETWORK PLANNING ..................................................................21 3 SMALL AND MEDIUM ENTERPRISES NETWORK MODELLING ..........................25 3.1 ENTERPRISE ORGANIZATION ARCHITECTURE ............................................25 3.2 ENTERPRISE NETWORK REQUIREMENT ........................................................26 4. EBOX TECHNOLOGIES SL............................................................................................28 4.1 eBOX PLATFORM, VERSION 4 ............................................................................28 4.2 eBOX CONTROL CENTER ....................................................................................36 5. INSTALLATION AND CONFIGURATION OF EBOX PLATFORM FOR ENTERPRISE ....................................................................................................................38 5.1 eBox CORE ..............................................................................................................38 5.1.1 Logs ................................................................................................................38 5.1.2 Monitoring ......................................................................................................40 5.1.3 Events and Alerts ............................................................................................43 4 5.1.4 Backup ............................................................................................................44 5.1.5 Software Managements ..................................................................................44 5.2 eBox GATEWAY .....................................................................................................46 5.2.1 High Level eBox Network Abstraction ..........................................................46 5.2.2 Firewall ...........................................................................................................51 5.2.3 Routing ...........................................................................................................54 5.2.4 Traffic Shaping ...............................................................................................55 5.2.5 HTTP Proxy Setting .......................................................................................55 5.3 eBox INFRASTRUCTURE ......................................................................................55 5.3.1 Network Configuration Service (DHCP) .......................................................56 5.3.2 Name Resolution Service (DNS) ...................................................................58 5.3.4 Time Synchronization Service (NTP) ............................................................65 5.4 eBox OFFICE ...........................................................................................................65 5.4.1 Directory Service (LDAP) ..............................................................................66 5.4.2 File Sharing Service and Remote Authentication ..........................................72 5.4.3 Printer Sharing Service ...................................................................................76 5.4.4 eGroupware Service .......................................................................................76 5.5 eBOX UNIFIED COMMUNICATIONS .................................................................79 5.5.1 Electronic Mail Service ..................................................................................79 5.5.2 Instant Messaging (IM) Service .....................................................................82 5.5.3 Voice over IP Service .....................................................................................87 5.6 eBOX UNIFIED THREAT MANAGER .................................................................87 5.6.1 Mail Filter .......................................................................................................87 5.6.2 HTTP Proxy Advanced Configuration ...........................................................88 5.6.3 Secure Interconnection between Local Networks ..........................................94 5.6.4 Intrusion Detection System (IDS) ..................................................................99 6. CONCLUSION, CHALLENGES AND RECOMMENDATION ..................................101 6.1 Conclusion ..............................................................................................................101 6.2 Challenges ...............................................................................................................101 6.3 Recommendations ...................................................................................................102 REFERENCES ................................................................................................................
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