Trivial File Transfer Protocol - Revision history

http://wiki.cas.mcmaster.ca/index.php?action=history&feed=atom&title=Trivial_File_Transfer_Protocol Trivial File Transfer Protocol - Revision history 2026-04-07T03:04:00Z Revision history for this page on the wiki MediaWiki 1.15.1 http://wiki.cas.mcmaster.ca/index.php?title=Trivial_File_Transfer_Protocol&diff=4778&oldid=prev Russeld at 15:55, 12 April 2009 2009-04-12T15:55:32Z

<p></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 15:55, 12 April 2009</td> </tr> <tr><td colspan="2" class="diff-lineno">Line 54:</td> <td colspan="2" class="diff-lineno">Line 54:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== See Also ==</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== See Also ==</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*[[Secure File Transfer Protocols]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*[[Secure File Transfer Protocols]]</div></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del style="color: red; font-weight: bold; text-decoration: none;"></del></div></td><td colspan="2"> </td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del style="color: red; font-weight: bold; text-decoration: none;">== External Links ==</del></div></td><td colspan="2"> </td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del style="color: red; font-weight: bold; text-decoration: none;"></del></div></td><td colspan="2"> </td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del style="color: red; font-weight: bold; text-decoration: none;"></del></div></td><td colspan="2"> </td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== References ==</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== References ==</div></td></tr> <tr><td colspan="2" class="diff-lineno">Line 64:</td> <td colspan="2" class="diff-lineno">Line 60:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>--[[User:Russeld|Russeld]] <del class="diffchange diffchange-inline">17</del>:<del class="diffchange diffchange-inline">07</del>, <del class="diffchange diffchange-inline">5 </del>April 2009 (EDT)</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>--[[User:Russeld|Russeld]] <ins class="diffchange diffchange-inline">11</ins>:<ins class="diffchange diffchange-inline">55</ins>, <ins class="diffchange diffchange-inline">12 </ins>April 2009 (EDT)</div></td></tr>  </table>

Russeld http://wiki.cas.mcmaster.ca/index.php?title=Trivial_File_Transfer_Protocol&diff=4777&oldid=prev Russeld at 21:10, 5 April 2009 2009-04-05T21:10:35Z

<p></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 21:10, 5 April 2009</td> </tr> <tr><td colspan="2" class="diff-lineno">Line 1:</td> <td colspan="2" class="diff-lineno">Line 1:</td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del style="color: red; font-weight: bold; text-decoration: none;">== Overview ==</del></div></td><td colspan="2"> </td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del style="color: red; font-weight: bold; text-decoration: none;"></del></div></td><td colspan="2"> </td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>[[Image:Tftp_overview.png|left]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>[[Image:Tftp_overview.png|left]]</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>  </table>

Russeld http://wiki.cas.mcmaster.ca/index.php?title=Trivial_File_Transfer_Protocol&diff=4776&oldid=prev Russeld at 21:07, 5 April 2009 2009-04-05T21:07:45Z

<p></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 21:07, 5 April 2009</td> </tr> <tr><td colspan="2" class="diff-lineno">Line 65:</td> <td colspan="2" class="diff-lineno">Line 65:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div># TFTP Blocksize Option,May 1998.  Available at http://www.ietf.org/rfc/rfc2348.txt</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div># TFTP Blocksize Option,May 1998.  Available at http://www.ietf.org/rfc/rfc2348.txt</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>--[[User:Russeld|Russeld]] <del class="diffchange diffchange-inline">14</del>:<del class="diffchange diffchange-inline">48</del>, 5 April 2009 (EDT)</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div> </div></td></tr> <tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>--[[User:Russeld|Russeld]] <ins class="diffchange diffchange-inline">17</ins>:<ins class="diffchange diffchange-inline">07</ins>, 5 April 2009 (EDT)</div></td></tr>  </table>

Russeld http://wiki.cas.mcmaster.ca/index.php?title=Trivial_File_Transfer_Protocol&diff=4775&oldid=prev Russeld at 21:04, 5 April 2009 2009-04-05T21:04:26Z

<p></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 21:04, 5 April 2009</td> </tr> <tr><td colspan="2" class="diff-lineno">Line 12:</td> <td colspan="2" class="diff-lineno">Line 12:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Each transfer through TFTP occurs with a single packet being moved across the network at a time.  These packets can either be a block of data or an acknowledgment.  As TFTP is implemented using UDP, it utilizes its own methods for transport and session acknowledgement to create a more reliable connection.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Each transfer through TFTP occurs with a single packet being moved across the network at a time.  These packets can either be a block of data or an acknowledgment.  As TFTP is implemented using UDP, it utilizes its own methods for transport and session acknowledgement to create a more reliable connection.</div></td></tr> <tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">== Errors ==</ins></div></td></tr> <tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">Errors are signalled by sending a specific error packet and normally causes termination of the connection.  Error packets are not acknowledged or retransmitted and as such, may not be received by the server or host.  There are three different sources of error, namely: inability to satisfy the request (file not found, no permission, etc.), incorrectly formed packets and losing access to a critical resource (out of disk space, etc.).  All of these errors will cause the connection to drop.  If the source port is incorrect, an error packet will be sent to the originating host and the connection will not be dropped.</ins></div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== Operation ==</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== Operation ==</div></td></tr>  </table>

Russeld http://wiki.cas.mcmaster.ca/index.php?title=Trivial_File_Transfer_Protocol&diff=4774&oldid=prev Russeld: /* References */ 2009-04-05T20:59:03Z

<p><span class="autocomment">References</span></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 20:59, 5 April 2009</td> </tr> <tr><td colspan="2" class="diff-lineno">Line 58:</td> <td colspan="2" class="diff-lineno">Line 58:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== References ==</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== References ==</div></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del class="diffchange diffchange-inline"><sup>[1]</sup> </del>The TFTP Protocol, January 29, 1980 by Karen R. Sollins.  Available at http://www.isi.edu/in-notes/ien/ien133.txt</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline"># </ins>The TFTP Protocol, January 29, 1980 by Karen R. Sollins.  Available at http://www.isi.edu/in-notes/ien/ien133.txt</div></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del class="diffchange diffchange-inline"><sup>[2]</sup></del>TFTP Blocksize Option,May 1998.  Available at http://www.ietf.org/rfc/rfc2348.txt</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline"># </ins>TFTP Blocksize Option,May 1998.  Available at http://www.ietf.org/rfc/rfc2348.txt</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>--[[User:Russeld|Russeld]] 14:48, 5 April 2009 (EDT)</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>--[[User:Russeld|Russeld]] 14:48, 5 April 2009 (EDT)</div></td></tr>  </table>

Russeld http://wiki.cas.mcmaster.ca/index.php?title=Trivial_File_Transfer_Protocol&diff=4773&oldid=prev Russeld at 20:58, 5 April 2009 2009-04-05T20:58:06Z

<p></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 20:58, 5 April 2009</td> </tr> <tr><td colspan="2" class="diff-lineno">Line 55:</td> <td colspan="2" class="diff-lineno">Line 55:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== External Links ==</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== External Links ==</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del style="color: red; font-weight: bold; text-decoration: none;">IEN 133 http://www.isi.edu/in-notes/ien/ien133.txt</del></div></td><td colspan="2"> </td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del style="color: red; font-weight: bold; text-decoration: none;">== References ==</del></div></td><td colspan="2"> </td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">== References ==</ins></div></td></tr> <tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"><sup>[1]</sup> The TFTP Protocol, January 29, 1980 by Karen R. Sollins.  Available at http://www.isi.edu/in-notes/ien/ien133.txt</ins></div></td></tr> <tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"><sup>[2]</sup>TFTP Blocksize Option,May 1998.  Available at http://www.ietf.org/rfc/rfc2348.txt</ins></div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>--[[User:Russeld|Russeld]] 14:48, 5 April 2009 (EDT)</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>--[[User:Russeld|Russeld]] 14:48, 5 April 2009 (EDT)</div></td></tr>  </table>

Russeld http://wiki.cas.mcmaster.ca/index.php?title=Trivial_File_Transfer_Protocol&diff=4772&oldid=prev Russeld: /* Transfer Modes */ 2009-04-05T20:55:31Z

<p><span class="autocomment">Transfer Modes</span></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 20:55, 5 April 2009</td> </tr> <tr><td colspan="2" class="diff-lineno">Line 9:</td> <td colspan="2" class="diff-lineno">Line 9:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== Transfer Modes ==</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== Transfer Modes ==</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>TFTP features 3 different transfer modes: '''netascii''', for the transfer of ascii files using 8-bit ascii characters, '''octet''', which transfers binary files byte by byte between computers and '''mail''', which was much like netascii but sent the file to a user rather than to the filesystem.  For many years, the protocol allowed transfer of up to 32MB files.  This limited transfer size was suitable for its time, however, as most files were small.  It wasn't until 1998 in RFC 2348 when option extensions allowed for files up to 4GB which made the protocol more suitable for modern use.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>TFTP features 3 different transfer modes: '''netascii''', for the transfer of ascii files using 8-bit ascii characters, '''octet''', which transfers binary files byte by byte between computers and '''mail''', which was much like netascii but sent the file to a user rather than to the filesystem.<ins class="diffchange diffchange-inline"><sup>[1]</sup> </ins> For many years, the protocol allowed transfer of up to 32MB files.  This limited transfer size was suitable for its time, however, as most files were small.  It wasn't until 1998 in RFC 2348 when option extensions allowed for files up to 4GB which made the protocol more suitable for modern use.<ins class="diffchange diffchange-inline"><sup>[2]</sup></ins></div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Each transfer through TFTP occurs with a single packet being moved across the network at a time.  These packets can either be a block of data or an acknowledgment.  As TFTP is implemented using UDP, it utilizes its own methods for transport and session acknowledgement to create a more reliable connection.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Each transfer through TFTP occurs with a single packet being moved across the network at a time.  These packets can either be a block of data or an acknowledgment.  As TFTP is implemented using UDP, it utilizes its own methods for transport and session acknowledgement to create a more reliable connection.</div></td></tr>  </table>

Russeld http://wiki.cas.mcmaster.ca/index.php?title=Trivial_File_Transfer_Protocol&diff=4771&oldid=prev Russeld: /* Overview */ 2009-04-05T20:54:57Z

<p><span class="autocomment">Overview</span></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 20:54, 5 April 2009</td> </tr> <tr><td colspan="2" class="diff-lineno">Line 3:</td> <td colspan="2" class="diff-lineno">Line 3:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>[[Image:Tftp_overview.png|left]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>[[Image:Tftp_overview.png|left]]</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>The '''Trivial File Transfer Protocol (TFTP)''' was developed in 1980 by Noel Chiappa as a simple protocol to transfer files between computers.  It is implemented using UDP (Port 69), and is designed to be lightweight (specifically on memory usage) and easy to implement.  As such, it is very limited in features compared to other alternatives (FTP, SFTP) as well as security.  Due to its lack of security features, it is not safe to use over the open internet, but is still used in private networks as a quick way to transfer files.  It is also used to transfer small amounts of data in IP phone firmware as well as in network installations of many current operating systems to load the basic kernel.  Windows, Linux and Mac OS all ship with the TFTP server included and disabled by default.  The early versions of TFTP were flawed with what was called the Sorcerer's Apprentice Syndrome - causing ever growing packet replication during the transfer.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>The '''Trivial File Transfer Protocol (TFTP)''' was developed in 1980 by Noel Chiappa as a simple protocol to transfer files between computers.<ins class="diffchange diffchange-inline"><sup>[1]</sup> </ins> It is implemented using UDP (Port 69), and is designed to be lightweight (specifically on memory usage) and easy to implement.  As such, it is very limited in features compared to other alternatives (FTP, SFTP) as well as security.  Due to its lack of security features, it is not safe to use over the open internet, but is still used in private networks as a quick way to transfer files.  It is also used to transfer small amounts of data in IP phone firmware as well as in network installations of many current operating systems to load the basic kernel.  Windows, Linux and Mac OS all ship with the TFTP server included and disabled by default.  The early versions of TFTP were flawed with what was called the Sorcerer's Apprentice Syndrome - causing ever growing packet replication during the transfer.<ins class="diffchange diffchange-inline"><sup>[1]</sup></ins></div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>TFTP has only two features, reading and writing files.  It offers no method of listing directory contents, displaying or changing file permissions or even user authentication.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>TFTP has only two features, reading and writing files.  It offers no method of listing directory contents, displaying or changing file permissions or even user authentication.<ins class="diffchange diffchange-inline"><sup>[1]</sup></ins></div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== Transfer Modes ==</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== Transfer Modes ==</div></td></tr>  </table>

Russeld http://wiki.cas.mcmaster.ca/index.php?title=Trivial_File_Transfer_Protocol&diff=4770&oldid=prev Russeld: /* External Links */ 2009-04-05T20:52:40Z

<p><span class="autocomment">External Links</span></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 20:52, 5 April 2009</td> </tr> <tr><td colspan="2" class="diff-lineno">Line 55:</td> <td colspan="2" class="diff-lineno">Line 55:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== External Links ==</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== External Links ==</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>IEN 133</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>IEN 133 <ins class="diffchange diffchange-inline">http://www.isi.edu/in-notes/ien/ien133.txt</ins></div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== References ==</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== References ==</div></td></tr>  </table>

Russeld http://wiki.cas.mcmaster.ca/index.php?title=Trivial_File_Transfer_Protocol&diff=4769&oldid=prev Russeld at 20:37, 5 April 2009 2009-04-05T20:37:24Z

<p></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 20:37, 5 April 2009</td> </tr> <tr><td colspan="2" class="diff-lineno">Line 58:</td> <td colspan="2" class="diff-lineno">Line 58:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== References ==</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== References ==</div></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del class="diffchange diffchange-inline"><references/></del></div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div> </div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>--[[User:Russeld|Russeld]] 14:48, 5 April 2009 (EDT)</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>--[[User:Russeld|Russeld]] 14:48, 5 April 2009 (EDT)</div></td></tr>  </table>

Russeld