RE: [DUG]: TCP/IP Question

David O'Brien Tue, 13 Jul 1999 15:41:15 -0700
Interesting page of HTML Codes... I wonder what it actually says. Not all of
us have got clever email readers. Plain text would be good. :)

Dave.

> -----Original Message-----
> From: Paul Lowman [SMTP:[EMAIL PROTECTED]]
> Sent: Wednesday, 14 July 1999 11:08 am
> To:   Multiple recipients of list delphi
> Subject:      Re: [DUG]:  TCP/IP Question
> 
> ÿş<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
> <HTML><HEAD> <META content="text/html; charset=unicode"
> http-equiv=Content-Type> <META content="MSHTML 5.00.2314.1000"
> name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY> <DIV><FONT size=2>Peter
> </FONT></DIV> <DIV>&nbsp;</DIV> <DIV><FONT size=2>A typical approach to
> packaging the data might be as follows:-</FONT></DIV> <DIV>&nbsp;</DIV>
> <DIV>&nbsp;</DIV> <DIV><FONT face=Courier size=2><STRONG>Protocol
> Detail</STRONG></FONT></DIV> <DIV><FONT face=Courier
> size=2><BR><STRONG>Enquiry</STRONG></FONT></DIV> <DIV><FONT face=Courier
> size=2><STRONG><BR></STRONG>The enquiry message is used for sending
> commands and data.</FONT></DIV> <DIV><FONT face=Courier size=2><BR>ENQ
> &lt; cc &gt; STX &lt; data &gt; ETX &lt; BCC &gt; EOT</FONT></DIV>
> <DIV><FONT face=Courier size=2><BR>or</FONT></DIV> <DIV><FONT face=Courier
> size=2><BR>ENQ &lt; cc &gt; EOT if no data</FONT></DIV> <DIV><FONT
> face=Courier size=2><BR><STRONG>Acknowledgement</STRONG></FONT></DIV>
> <DIV><FONT face=Courier size=2><BR>The acknowledgment message is used to
> respond to an Enquiry either with or without data.</FONT></DIV> <DIV><FONT
> face=Courier size=2><BR>ACK &lt; cc &gt; STX &lt; data &gt; ETX &lt; BCC
> &gt; EOT</FONT></DIV> <DIV><FONT face=Courier size=2><BR>or</FONT></DIV>
> <DIV><FONT face=Courier size=2><BR>ACK EOT</FONT></DIV> <DIV><FONT
> face=Courier size=2><BR><STRONG>Error</STRONG></FONT></DIV> <DIV><FONT
> face=Courier size=2><BR>The error message is used to indicate a bad
> Enquiry</FONT></DIV> <DIV><FONT face=Courier size=2><BR>NAK &lt;ee&gt;
> EOT</FONT></DIV> <DIV><FONT face=Courier size=2><BR>Where&nbsp; cc - 2
> digit command code as described in following
> section<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb
> sp; data - ascii data (no ascii control between 0 and $1f)</FONT></DIV>
> <DIV><FONT face=Courier
> size=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
> ee - error
> code<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 01 - bad
> BCC<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&
> nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 02 - bad
> command<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb
> sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 03 - access
> denied<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs
> p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 04 - bad
> data<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
> &nbsp; bcc&nbsp; - STX xor data0 xor data1 ... xor
> ETX<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&
> nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
> represented as two hex digits.&nbsp;&nbsp; <BR></DIV></FONT> <DIV><FONT
> face=Courier size=2><STRONG>Example</STRONG></FONT></DIV> <DIV><FONT
> face=Courier size=2><STRONG><BR></STRONG>Data sent - Send Password -
> KAZAM<BR>&nbsp;&nbsp;05&nbsp; 30&nbsp; 30&nbsp; 02&nbsp; 4b&nbsp; 41&nbsp;
> 5a&nbsp; 41&nbsp; 4d&nbsp; 03&nbsp; 35&nbsp; 44&nbsp; 04<BR>Received
> -&nbsp; ACK EOT<BR>&nbsp;&nbsp;06&nbsp; 04</FONT></DIV> <DIV><FONT
> face=Courier size=2></FONT>&nbsp;</DIV> <DIV><FONT face=Courier
> size=2><FONT face=Arial>Paul Lowman</FONT></FONT></DIV> <DIV>&nbsp;</DIV>
> <DIV><FONT face=Courier size=2><FONT face=Arial>Software/Hardware
> developer<BR>Lowman Consulting</FONT><BR></DIV></FONT></BODY></HTML> 
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RE: [DUG]: TCP/IP Question

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