Specifications

iii
7.2.1 PhoneLine Networking ..........................................................................................................24
7.2.2 RF Wireless ...........................................................................................................................24
7.3 TCP/IP ...........................................................................................................................................25
7.4 IP ADDRESS ....................................................................................................................................25
7.4.1 Dotted-Decimal Notation .......................................................................................................26
7.4.2 Subnet ....................................................................................................................................26
7.4.3 Port Number ..........................................................................................................................26
7.4.4 Private Addresses ..................................................................................................................26
7.4.5 AutoIP ....................................................................................................................................27
7.4.6 LocalHost Address .................................................................................................................27
7.4.7 Address Resolution Protocol (ARP) ......................................................................................27
7.5 GATEWAY ......................................................................................................................................28
7.6 NAME RESOLUTION ........................................................................................................................28
7.6.1 Naming Convention ...............................................................................................................28
7.7 WHOIS ............................................................................................................................................28
7.8 NETWORK NEIGHBORHOOD – MY NETWORK PLACES ....................................................................29
7.9 IMPLEMENTATION ..........................................................................................................................29
8 BROADBAND ROUTER – ONE ADDRESS SO MANY COMPUTERS .....................................30
8.1 WAN INTERFACE ...........................................................................................................................31
8.2 AUTOMATIC FAIL OVER ..................................................................................................................31
8.2.1 Using multiple ISPs ...............................................................................................................32
8.3 LAN ADDRESS ASSIGNMENT .........................................................................................................32
8.3.1 Dynamic .................................................................................................................................32
8.3.2 Pseudo Static .........................................................................................................................32
8.3.3 Static ......................................................................................................................................33
8.4 NAT -- SHARING A SINGLE INTERNET CONNECTION ......................................................................33
8.4.1 Limitations of NAT .................................................................................................................33
8.5 10/100 ETHERNET SWITCH .............................................................................................................34
8.6 VIRTUAL PRIVATE NETWORK .........................................................................................................34
8.7 LOGGING ........................................................................................................................................35
9 DEBUG -- WHEN THINGS GO WRONG .......................................................................................35
9.1 PING ..............................................................................................................................................35
9.2 TRACE ROUTE ................................................................................................................................36
9.3 NET ...............................................................................................................................................37
9.4 NETSTAT .....................................................................................................................................37
9.5 WINIPCFG ...................................................................................................................................38
9.6 ETHERNET INDICATORS ..................................................................................................................38
10 BROWSING -- WILD WILD WEB ...............................................................................................38
11 E-MAIL -- MAIL AT THE SPEED OF LIGHT...........................................................................39
11.1 BROWSER BASED MAIL ..................................................................................................................39
11.2 MAIL CLIENT..................................................................................................................................39
11.3 CORPORATE MAIL ..........................................................................................................................39
11.4 SPAM MITIGATION ........................................................................................................................39
11.4.1 Block Outgoing Port 25 .........................................................................................................40
11.4.2 Prevent Relaying ....................................................................................................................40
11.4.3 Blacklist .................................................................................................................................40
11.4.4 Reverse Name Lookup ...........................................................................................................40
11.4.5 Account Verification ..............................................................................................................40
11.4.6 Quantity Limits ......................................................................................................................40
11.4.7 POP Authenticate Before SMTP Send ...................................................................................40
11.4.8 SMTP Authentication .............................................................................................................40
11.4.9 My Implementation ................................................................................................................40