100分求如何取得取它网站的POST参数

Question

你想干吗 一组处理了的字符串  .net封装了HttpWebRequest

Answer 1

处理了的字符串？HIDDEN_FIELD_SESSION里面的内容吗？这个不是SESSION吗？

Answer 2

也就是这个页面
http://wwwapps.ups.com/WebTracking/summary
如果要访问这个页面，要提供什么参数

Answer 3

<form action="http://wwwapps.ups.com/WebTracking/summary" method="post">
<INPUT name="HIDDEN_FIELD_SESSION" type="HIDDEN" value="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A1ef012162">
<table width="100%" border="0" cellpadding="0" cellspacing="0">                                  <tr>
                                    <td class="det-pad">&nbsp;</td>
                                    <td class="det-pad">             <input type="image" src="/img/en/btn_lnk_view_pac_prog_a.gif" WIDTH="138" HEIGHT="14" align="top" border="0" alt="View package progress" name="tdts1">
         
                                    </td>
                                    <td class="det-pad">&nbsp;</td>
                                  </tr>
  </table>
</form>
这个是http://www.ups.com/WebTracking/track?loc=en_US&WT.svl=PNRO_L1提交后返得的数据，
但是点里面的input提交到另一个页面，POST参数设置成HIDDEN_FIELD_SESSION程序访问不到，这个应该是加密过的，但是如何提交这个加密码的值？