| [532] | 1 | <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
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 | 2 | <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
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 | 3 |   <head>
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 | 4 |     <meta http-equiv="content-type" content="text/html; charset=UTF-8" />
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 | 5 |     <title>Reverse DNS Template Reference</title>
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 | 6 |     <!-- General stylesheet for most content, all browsers -->
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 | 7 |     <link rel="stylesheet" type="text/css" href="templates/dns.css" />
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 | 8 |     <!-- Custom local stylesheet, if desired -->
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 | 9 |     <link rel="stylesheet" type="text/css" href="local.css" />
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 | 10 |   </head>
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 | 11 |   <body>
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 | 12 |     <div id="main">
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 | 13 |       <h2>Reverse DNS Template Reference</h2>
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 | 14 |       <table class="container" cellpadding="2" cellspacing="2">
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 | 15 |         <tbody>
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 | 16 |           <tr class="tableheader">
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 | 17 |             <td></td>
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 | 18 |             <td>Substitution pattern</td>
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 | 19 |             <td>Example expansion using 192.168.23.45</td>
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 | 20 |           </tr>
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 | 21 |           <tr class="tableheader">
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 | 22 |             <td colspan="3">Whole-IP patterns</td>
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 | 23 |           </tr>
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 | 24 |           <tr class="row0">
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 | 25 |             <td>Dashed IP</td>
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 | 26 |             <td>%i</td>
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 | 27 |             <td>192-168-23-45</td>
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 | 28 |           </tr>
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 | 29 |           <tr class="row1">
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 | 30 |             <td>Reverse dashed IP</td>
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 | 31 |             <td>%r</td>
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 | 32 |             <td>45-23-168-192</td>
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 | 33 |           </tr>
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 | 34 |           <tr class="row0">
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 | 35 |             <td>Hex-coded IP</td>
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 | 36 |             <td>%h</td>
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 | 37 |             <td>c0a8172d</td>
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 | 38 |           </tr>
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 | 39 |           <tr class="row1">
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 | 40 |             <td>Decimal IP</td>
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 | 41 |             <td>%d</td>
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 | 42 |             <td>323241453</td>
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 | 43 |           </tr>
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 | 44 |           <tr class="tableheader">
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 | 45 |             <td colspan="3">Per-octet patterns (1, 2, 3, or 4 specify
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 | 46 |               the octet; d, h or 0 specify decimal, hexidecimal, or
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 | 47 |               0-padded decimal)</td>
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 | 48 |           </tr>
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 | 49 |           <tr class="row0">
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 | 50 |             <td>First octet, decimal</td>
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 | 51 |             <td>%1d</td>
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 | 52 |             <td>192</td>
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 | 53 |           </tr>
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 | 54 |           <tr class="row1">
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 | 55 |             <td>Third octet, 0-padded</td>
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 | 56 |             <td>%30</td>
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 | 57 |             <td>023</td>
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 | 58 |           </tr>
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 | 59 |           <tr class="row0">
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 | 60 |             <td>Fourth octet, hexidecimal</td>
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 | 61 |             <td>%4h</td>
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 | 62 |             <td>2d</td>
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 | 63 |           </tr>
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 | 64 |           <tr class="row1">
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 | 65 |             <td>All octets, different expansions</td>
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 | 66 |             <td>%1h-%2d-%30-%4h</td>
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 | 67 |             <td>c0-168-023-2d</td>
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 | 68 |           </tr>
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 | 69 |         </tbody>
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 | 70 |       </table>
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 | 71 |       <p> %i and %r also allow explicitly defining the separator; eg %.i
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 | 72 |         or %_r. '.', '-', and '_' are the only characters<br />
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 | 73 |         supported since DNS names may not contain most other
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 | 74 |         non-alphanumerics.</p>
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| [548] | 75 |       <p>%blank% may be used to specifically prevent template expansion on
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 | 76 |         a segment of a block if desired;  eg, if<br />
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 | 77 |         192.168.23.0/24 has "unused-%i.example.com" set, adding an A+PTR
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 | 78 |         template for 192.168.23.48/30 of<br />
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 | 79 |         "%blank%" will leave 192.168.23.48 through .51 without PTR records
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 | 80 |         unless specific entries exist for those IPs.<p>
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| [532] | 81 |     </div>
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 | 82 |   </body>
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 | 83 | </html>
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