2010م - 1444هـ
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 ................................................................................................................