This article is from the AmiTCP/IP FAQ, by Mike Meyer with numerous contributions by others.
This document is copyright Mike W. Meyer. Permission is granted for this document to be freely distributed complete and unaltered. In addition, any portion of this document may be distributed on USENET, so long as the credits are included in any portion that includes more than two answers. For the purposes of this license, USENET is any data stream or file collection which uses all documents posted to any newsgroup I post this article to
The document is derived from a work that was copyright Neil J. McRae.
 
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