Networking 101

Networking 101 An Introduction to Networking Roger Connell Innova Solutions

Overview ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

IP ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

IP V4 Packet Format Version Header Length Type of Service Total Length Identification Fragment Info Time to Live Protocol Header Checksum Source Address Destination Address Multiple 32 bit words of “Options” Data

IP Address Aspects ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],??

Private IP Address ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Small Office Network ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Internet IntraNet 192.168.3.0 NAT DHCP 215.56.89.234 192.168.3.254 192.168.3.101 192.168.3.100

Changing IP Properties ,[object Object],[object Object],[object Object],[object Object],NB. The Link Layer Configuration is at the top of the Connection Properties Dialog

TCP and UDP ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

TCP PDU Format Source Port Destination Port Protocol Header Checksum Sequence Number Acknowledgement Number Multiple 32 bit words of “Options” Data Window Checksum (Hdr + Data) Urgent Pointer IP Header Header Length Code Bits Reserved

TCP IP Tools ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Meaningful Names ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Domain Name Server ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

WINS and Netbios ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

WINS and DNS ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Finding Workgroup Computers ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Mapping a Drive ,[object Object],[object Object],[object Object],[object Object]

Network Enable a Directory ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Router Configuration ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Router Firewall ,[object Object],[object Object],Internet IntraNet Block all Requests That are not “Expected” Allow calls based on Permissions For me unrestricted Corporates often restrict to only authenticated proxies DMZ Host

Basic Setup ,[object Object],[object Object],[object Object],[object Object]

Router DHCP Setup ,[object Object],[object Object]

Wireless Setup ,[object Object],[object Object]

Port Forwarding ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Remote Admin ,[object Object],[object Object],[object Object]

Virtual Private Network ,[object Object],[object Object],[object Object],Internet 215.56.89.234 192.168.3.101 192.168.3.100 IntraNet 1 192.168.3.0 IntraNet 2 192.168.4.0 124.65.93.178 192.168.4.1 192.168.4.100 192.168.3.1

Network Analyser ,[object Object],[object Object],[object Object],[object Object]

Analyser Filters ,[object Object],[object Object]

References ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Networking 101

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