Re: Networking terminology

Subject: Re: Networking terminology
From: bcliver -at- manu -dot- com
To: "TECHWR-L" <techwr-l -at- lists -dot- raycomm -dot- com>
Date: Fri, 18 Jun 2004 07:40:16 -0400


>Hi all,
>I was hoping someone with more up-to-date and complete knowledge of
>networking could help me out. I need to write a technical bulletin
regarding
>some changes that Microsoft is making through XP service pack 2, and I
need
>to change some GUI terminology to make it readable.

>The info I have from MS is: After installing XP SP 2 "TCP/IP and UDP will
be
>turned off by default. Applications that connect to a SQL Server database
by
>means of a network will not be able to accept or make connections."

>My SMEs have told me that our users will need to "turn on" the specific
>ports they want to be able to use to access SQL. However, they've given
me
>examples saying such things as "Windows Firewall is disabled on: Local
Area
>Connection." If I understand correctly, "Local Area Connection" is not a
>specific port, but rather could be one of many ports.

In networking, a port is a logical address used by the computer for
communications between it and devices. For example, SQL Server database
listens on a specific port to accept connections from applications. (I
think the default for SQL Server is 1421--can't remember.) TCP/IP and UDP
(universal datagram protocol) both piggyback on IP.

At DOS prompt, use the netstat command to view/manage open ports.

Microsoft article on opening ports in XP -->
http://www.microsoft.com/security/protect/ports.asp

Good luck,

Barry Cliver
Lead Technical Writer

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