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<p class="MsoNormal"><span style="color:#1F497D">I’d recommend removing telnet, as it is a rather obsolete and rather insecure protocol.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">-Tim<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> public-bounces@cabforum.org [mailto:public-bounces@cabforum.org]
<b>On Behalf Of </b>kirk_hall@trendmicro.com<br>
<b>Sent:</b> Thursday, September 03, 2015 1:47 PM<br>
<b>To:</b> Ben Wilson; CABFPub<br>
<b>Subject:</b> [cabfpub] "Authorized Port"<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thanks, Ben. Well done.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">If anyone has ports to add or remove from Ben’s proposed list, please send your input to us (or to Ben and me personally if you can’t post to the Public list) by next
<b><u>Wednesday, Sept. 9</u></b> at the latest so we can discuss in the Validation Working Group call the next day.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Kirk<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><b>From:</b> <a href="mailto:public-bounces@cabforum.org">public-bounces@cabforum.org</a> [<a href="mailto:public-bounces@cabforum.org">mailto:public-bounces@cabforum.org</a>]
<b>On Behalf Of </b>Ben Wilson<br>
<b>Sent:</b> Thursday, September 03, 2015 10:06 AM<br>
<b>To:</b> CABFPub<br>
<b>Subject:</b> [cabfpub] "Authorized Port"<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">All,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">The Validation Working Group is considering amendments to the domain validation processes. Two of those processes use the concept of an “authorized port” in order to limit the threat of approvals occurring through ports that are not “well-known”.
<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Here is the relevant language of the draft ballot:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">6. Having the Applicant demonstrate control over the requested FQDN by installing a Random Value (contained in the name of the file, the content of a file, on a web page in the form of a meta tag, or any other format as determined by the
CA) under "/.well-known/validation" directory on an Authorized Domain Name that can be
<span style="background:yellow;mso-highlight:yellow">validated over an Authorized Port</span>;<o:p></o:p></p>
<p class="MsoNormal">… <o:p></o:p></p>
<p class="MsoNormal">9. Having the Applicant demonstrate control over the FQDN by the Applicant requesting and then installing a Test Certificate issued by the CA on the FQDN which is accessed and then
<span style="background:yellow;mso-highlight:yellow">validated via https by the CA over an Authorized Port</span>;<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I have argued in support of at least the following ports:<o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<table class="MsoNormalTable" border="0" cellspacing="0" cellpadding="0" width="313" style="width:235.0pt;margin-left:-.3pt;border-collapse:collapse">
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<p class="MsoNormal"><b><span style="color:black">Authorized Ports<o:p></o:p></span></b></p>
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<p class="MsoNormal"><b><span style="color:black">Not SSL/TLS<o:p></o:p></span></b></p>
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<td width="64" nowrap="" valign="bottom" style="width:48.0pt;border:solid windowtext 1.0pt;border-left:none;padding:0in 5.4pt 0in 5.4pt;height:.2in">
<p class="MsoNormal"><b><span style="color:black">SSL/TLS<o:p></o:p></span></b></p>
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<td width="64" nowrap="" valign="bottom" style="width:48.0pt;padding:0in 5.4pt 0in 5.4pt;height:.2in">
</td>
</tr>
<tr style="height:.2in">
<td width="121" nowrap="" valign="bottom" style="width:91.0pt;border:solid windowtext 1.0pt;border-top:none;padding:0in 5.4pt 0in 5.4pt;height:.2in">
<p class="MsoNormal"><span style="color:black"> <o:p></o:p></span></p>
</td>
<td width="64" nowrap="" valign="bottom" style="width:48.0pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:.2in">
<p class="MsoNormal"><span style="color:black"> <o:p></o:p></span></p>
</td>
<td width="64" nowrap="" valign="bottom" style="width:48.0pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:.2in">
<p class="MsoNormal"><span style="color:black"> <o:p></o:p></span></p>
</td>
<td width="64" nowrap="" valign="bottom" style="width:48.0pt;padding:0in 5.4pt 0in 5.4pt;height:.2in">
</td>
</tr>
<tr style="height:.2in">
<td width="121" nowrap="" valign="bottom" style="width:91.0pt;border:solid windowtext 1.0pt;border-top:none;padding:0in 5.4pt 0in 5.4pt;height:.2in">
<p class="MsoNormal"><span style="color:black">ftp<o:p></o:p></span></p>
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<td width="64" nowrap="" valign="bottom" style="width:48.0pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:.2in">
<p class="MsoNormal" align="right" style="text-align:right"><span style="color:black">20-21<o:p></o:p></span></p>
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<td width="64" nowrap="" valign="bottom" style="width:48.0pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:.2in">
<p class="MsoNormal" align="right" style="text-align:right"><span style="color:black">989-990<o:p></o:p></span></p>
</td>
<td width="64" nowrap="" valign="bottom" style="width:48.0pt;padding:0in 5.4pt 0in 5.4pt;height:.2in">
</td>
</tr>
<tr style="height:.2in">
<td width="121" nowrap="" valign="bottom" style="width:91.0pt;border:solid windowtext 1.0pt;border-top:none;padding:0in 5.4pt 0in 5.4pt;height:.2in">
<p class="MsoNormal"><span style="color:black">ssh<o:p></o:p></span></p>
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<td width="64" nowrap="" valign="bottom" style="width:48.0pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:.2in">
<p class="MsoNormal" align="right" style="text-align:right"><span style="color:black">22<o:p></o:p></span></p>
</td>
<td width="64" nowrap="" valign="bottom" style="width:48.0pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:.2in">
<p class="MsoNormal" align="right" style="text-align:right"><span style="color:black"> <o:p></o:p></span></p>
</td>
<td width="64" nowrap="" valign="bottom" style="width:48.0pt;padding:0in 5.4pt 0in 5.4pt;height:.2in">
</td>
</tr>
<tr style="height:.2in">
<td width="121" nowrap="" valign="bottom" style="width:91.0pt;border:solid windowtext 1.0pt;border-top:none;padding:0in 5.4pt 0in 5.4pt;height:.2in">
<p class="MsoNormal"><span style="color:black">telnet<o:p></o:p></span></p>
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<td width="64" nowrap="" valign="bottom" style="width:48.0pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:.2in">
<p class="MsoNormal" align="right" style="text-align:right"><span style="color:black">23<o:p></o:p></span></p>
</td>
<td width="64" nowrap="" valign="bottom" style="width:48.0pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:.2in">
<p class="MsoNormal" align="right" style="text-align:right"><span style="color:black">992<o:p></o:p></span></p>
</td>
<td width="64" nowrap="" valign="bottom" style="width:48.0pt;padding:0in 5.4pt 0in 5.4pt;height:.2in">
</td>
</tr>
<tr style="height:.2in">
<td width="121" nowrap="" valign="bottom" style="width:91.0pt;border:solid windowtext 1.0pt;border-top:none;padding:0in 5.4pt 0in 5.4pt;height:.2in">
<p class="MsoNormal"><span style="color:black">smtp<o:p></o:p></span></p>
</td>
<td width="64" nowrap="" valign="bottom" style="width:48.0pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:.2in">
<p class="MsoNormal" align="right" style="text-align:right"><span style="color:black">25, 587<o:p></o:p></span></p>
</td>
<td width="64" nowrap="" valign="bottom" style="width:48.0pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:.2in">
<p class="MsoNormal" align="right" style="text-align:right"><span style="color:black">465<o:p></o:p></span></p>
</td>
<td width="64" nowrap="" valign="bottom" style="width:48.0pt;padding:0in 5.4pt 0in 5.4pt;height:.2in">
</td>
</tr>
<tr style="height:.2in">
<td width="121" nowrap="" valign="bottom" style="width:91.0pt;border:solid windowtext 1.0pt;border-top:none;padding:0in 5.4pt 0in 5.4pt;height:.2in">
<p class="MsoNormal"><span style="color:black">http<o:p></o:p></span></p>
</td>
<td width="64" nowrap="" valign="bottom" style="width:48.0pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:.2in">
<p class="MsoNormal" align="right" style="text-align:right"><span style="color:black">80<o:p></o:p></span></p>
</td>
<td width="64" nowrap="" valign="bottom" style="width:48.0pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:.2in">
<p class="MsoNormal" align="right" style="text-align:right"><span style="color:black">443<o:p></o:p></span></p>
</td>
<td width="64" nowrap="" valign="bottom" style="width:48.0pt;padding:0in 5.4pt 0in 5.4pt;height:.2in">
</td>
</tr>
<tr style="height:.2in">
<td width="121" nowrap="" valign="bottom" style="width:91.0pt;border:solid windowtext 1.0pt;border-top:none;padding:0in 5.4pt 0in 5.4pt;height:.2in">
<p class="MsoNormal"><span style="color:black">pop<o:p></o:p></span></p>
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<td width="64" nowrap="" valign="bottom" style="width:48.0pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:.2in">
<p class="MsoNormal" align="right" style="text-align:right"><span style="color:black">110<o:p></o:p></span></p>
</td>
<td width="64" nowrap="" valign="bottom" style="width:48.0pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:.2in">
<p class="MsoNormal" align="right" style="text-align:right"><span style="color:black">995<o:p></o:p></span></p>
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<td width="64" nowrap="" valign="bottom" style="width:48.0pt;padding:0in 5.4pt 0in 5.4pt;height:.2in">
</td>
</tr>
<tr style="height:.2in">
<td width="121" nowrap="" valign="bottom" style="width:91.0pt;border:solid windowtext 1.0pt;border-top:none;padding:0in 5.4pt 0in 5.4pt;height:.2in">
<p class="MsoNormal"><span style="color:black">nntp<o:p></o:p></span></p>
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<td width="64" nowrap="" valign="bottom" style="width:48.0pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:.2in">
<p class="MsoNormal" align="right" style="text-align:right"><span style="color:black">119<o:p></o:p></span></p>
</td>
<td width="64" nowrap="" valign="bottom" style="width:48.0pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:.2in">
<p class="MsoNormal" align="right" style="text-align:right"><span style="color:black">563<o:p></o:p></span></p>
</td>
<td width="64" nowrap="" valign="bottom" style="width:48.0pt;padding:0in 5.4pt 0in 5.4pt;height:.2in">
</td>
</tr>
<tr style="height:.2in">
<td width="121" nowrap="" valign="bottom" style="width:91.0pt;border:solid windowtext 1.0pt;border-top:none;padding:0in 5.4pt 0in 5.4pt;height:.2in">
<p class="MsoNormal"><span style="color:black">imap<o:p></o:p></span></p>
</td>
<td width="64" nowrap="" valign="bottom" style="width:48.0pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:.2in">
<p class="MsoNormal" align="right" style="text-align:right"><span style="color:black">143<o:p></o:p></span></p>
</td>
<td width="64" nowrap="" valign="bottom" style="width:48.0pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:.2in">
<p class="MsoNormal" align="right" style="text-align:right"><span style="color:black">993<o:p></o:p></span></p>
</td>
<td width="64" nowrap="" valign="bottom" style="width:48.0pt;padding:0in 5.4pt 0in 5.4pt;height:.2in">
</td>
</tr>
<tr style="height:.2in">
<td width="121" nowrap="" valign="bottom" style="width:91.0pt;border:solid windowtext 1.0pt;border-top:none;padding:0in 5.4pt 0in 5.4pt;height:.2in">
<p class="MsoNormal"><span style="color:black">irc<o:p></o:p></span></p>
</td>
<td width="64" nowrap="" valign="bottom" style="width:48.0pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:.2in">
<p class="MsoNormal" align="right" style="text-align:right"><span style="color:black">194<o:p></o:p></span></p>
</td>
<td width="64" nowrap="" valign="bottom" style="width:48.0pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:.2in">
<p class="MsoNormal" align="right" style="text-align:right"><span style="color:black">994<o:p></o:p></span></p>
</td>
<td width="64" nowrap="" valign="bottom" style="width:48.0pt;padding:0in 5.4pt 0in 5.4pt;height:.2in">
</td>
</tr>
<tr style="height:.2in">
<td width="121" nowrap="" valign="bottom" style="width:91.0pt;border:solid windowtext 1.0pt;border-top:none;padding:0in 5.4pt 0in 5.4pt;height:.2in">
<p class="MsoNormal"><span style="color:black">ldap<o:p></o:p></span></p>
</td>
<td width="64" nowrap="" valign="bottom" style="width:48.0pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:.2in">
<p class="MsoNormal" align="right" style="text-align:right"><span style="color:black">389<o:p></o:p></span></p>
</td>
<td width="64" nowrap="" valign="bottom" style="width:48.0pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:.2in">
<p class="MsoNormal" align="right" style="text-align:right"><span style="color:black">636<o:p></o:p></span></p>
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</td>
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<p class="MsoNormal"><span style="color:black">sip<o:p></o:p></span></p>
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<td width="64" nowrap="" valign="bottom" style="width:48.0pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:.2in">
<p class="MsoNormal" align="right" style="text-align:right"><span style="color:black">5060<o:p></o:p></span></p>
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<p class="MsoNormal" align="right" style="text-align:right"><span style="color:black">5061<o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="color:black">Sample of ports that wouldn't be included (among 1,000s of others)<o:p></o:p></span></b></p>
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<p class="MsoNormal"><span style="color:black"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:black">sftp<o:p></o:p></span></p>
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<p class="MsoNormal" align="right" style="text-align:right"><span style="color:black">115<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:black">active-directory<o:p></o:p></span></p>
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<p class="MsoNormal" align="right" style="text-align:right"><span style="color:black">445<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:black">rfs<o:p></o:p></span></p>
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<p class="MsoNormal" align="right" style="text-align:right"><span style="color:black">556<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:black">filemaker<o:p></o:p></span></p>
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<p class="MsoNormal" align="right" style="text-align:right"><span style="color:black">591<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:black">rpc-over-http<o:p></o:p></span></p>
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<td width="64" nowrap="" valign="bottom" style="width:48.0pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:.2in">
<p class="MsoNormal" align="right" style="text-align:right"><span style="color:black">593<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:black">ieee-mms-ssl<o:p></o:p></span></p>
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<td width="64" nowrap="" valign="bottom" style="width:48.0pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:.2in">
<p class="MsoNormal" align="right" style="text-align:right"><span style="color:black">695<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:black">kerberos<o:p></o:p></span></p>
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<p class="MsoNormal" align="right" style="text-align:right"><span style="color:black">749-752<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:black">brocade-ssl<o:p></o:p></span></p>
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<p class="MsoNormal" align="right" style="text-align:right"><span style="color:black">898<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:black">vmware<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:black">901-904<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:black">ibm<o:p></o:p></span></p>
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<p class="MsoNormal" align="right" style="text-align:right"><span style="color:black">1364<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:black">c-panel<o:p></o:p></span></p>
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<p class="MsoNormal" align="right" style="text-align:right"><span style="color:black">2083<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Times New Roman","serif""><o:p> </o:p></span></p>
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<p class="MsoNormal">In a written list I included port 24 (private mail) and 991 (network news) because they were consecutive within a series below for the definition of “Authorized Port”–
<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">“ “Authorized Port” means ports 20-25, 80, 110, 119, 143, 194, 389, 443, 465, 563, 587, 636, 989-995.”<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I’ve told the Validation Working Group that I think we need to reach outside the Validation WG to confirm whether this limited list is of the right scope.
<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">If you have any opinions, please respond.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thanks,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Ben<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<pre><o:p> </o:p></pre>
<pre>TREND MICRO EMAIL NOTICE<o:p></o:p></pre>
<pre>The information contained in this email and any attachments is confidential <o:p></o:p></pre>
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<pre>If you are not the intended recipient, you are not authorized to use or <o:p></o:p></pre>
<pre>disclose this information, and we request that you notify us by reply mail or<o:p></o:p></pre>
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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif""><o:p> </o:p></span></p>
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