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<div class=Section1>
<p class=MsoPlainText><span lang=EN-US>Hi guys, today we saw that if our
backend servers doesnīt add an HTTP CACHE-CONTROL Varnish cache the URL for
30s.<o:p></o:p></span></p>
<p class=MsoPlainText><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoPlainText><span lang=EN-US>We have tested the same using Netcache
and we noticed that Netcache doesnīt cache the object. <o:p></o:p></span></p>
<p class=MsoPlainText><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoPlainText><span lang=EN-US>Do you guys know how to modify Varnish
to donīt cache URLs or Objects that doesnīt have CACHE-CONTROL?<o:p></o:p></span></p>
<p class=MsoPlainText><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoPlainText><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoPlainText><span lang=EN-US>Example: as you can see our Backend
Server is not sending cache-control: no-cache and Varnish is caching the object
for 30s.<o:p></o:p></span></p>
<p class=MsoPlainText><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoPlainText><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoPlainText><span lang=EN-US><o:p> </o:p></span></p>
<table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 width=2112
style='width:1584.0pt;margin-left:-.75pt;border-collapse:collapse'>
<tr style='height:15.0pt'>
<td width=160 nowrap valign=bottom style='width:120.3pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal><span style='color:black'>VARNISH<o:p></o:p></span></p>
</td>
<td width=1953 nowrap valign=bottom style='width:1464.45pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'></td>
</tr>
<tr style='height:15.0pt'>
<td width=160 nowrap valign=bottom style='width:120.3pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'></td>
<td width=1953 nowrap valign=bottom style='width:1464.45pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'></td>
</tr>
<tr style='height:15.0pt'>
<td width=160 nowrap valign=bottom style='width:120.3pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal><span style='color:black'>(Request-Line)<o:p></o:p></span></p>
</td>
<td width=1953 nowrap valign=bottom style='width:1464.45pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal><span lang=EN-US style='color:black'>GET /jm/XXXXXX?go=trans
HTTP/1.1<o:p></o:p></span></p>
</td>
</tr>
<tr style='height:15.0pt'>
<td width=160 nowrap valign=bottom style='width:120.3pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal><span style='color:black'>Accept<o:p></o:p></span></p>
</td>
<td width=1953 nowrap valign=bottom style='width:1464.45pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal><span lang=EN-US style='color:black'>image/gif,
image/x-xbitmap, image/jpeg, image/pjpeg, application/x-ms-application,
application/vnd.ms-xpsdocument, application/xaml+xml, application/x-ms-xbap,
application/x-shockwave-flash, application/vnd.ms-excel,
application/vnd.ms-powerpoint, application/msword, */*<o:p></o:p></span></p>
</td>
</tr>
<tr style='height:15.0pt'>
<td width=160 nowrap valign=bottom style='width:120.3pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal><span style='color:black'>Accept-Encoding<o:p></o:p></span></p>
</td>
<td width=1953 nowrap valign=bottom style='width:1464.45pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal><span style='color:black'>gzip, deflate<o:p></o:p></span></p>
</td>
</tr>
<tr style='height:15.0pt'>
<td width=160 nowrap valign=bottom style='width:120.3pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal><span style='color:black'>Accept-Language<o:p></o:p></span></p>
</td>
<td width=1953 nowrap valign=bottom style='width:1464.45pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal><span style='color:black'>es-ar<o:p></o:p></span></p>
</td>
</tr>
<tr style='height:15.0pt'>
<td width=160 nowrap valign=bottom style='width:120.3pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal><span style='color:black'>Connection<o:p></o:p></span></p>
</td>
<td width=1953 nowrap valign=bottom style='width:1464.45pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal><span style='color:black'>Keep-Alive<o:p></o:p></span></p>
</td>
</tr>
<tr style='height:15.0pt'>
<td width=160 nowrap valign=bottom style='width:120.3pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal><span style='color:black'>Cookie<o:p></o:p></span></p>
</td>
<td width=1953 nowrap valign=bottom style='width:1464.45pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal><span style='color:black'>poison_cookie=313537500;
orguseridp=88011902<o:p></o:p></span></p>
</td>
</tr>
<tr style='height:15.0pt'>
<td width=160 nowrap valign=bottom style='width:120.3pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal><span style='color:black'>Host<o:p></o:p></span></p>
</td>
<td width=1953 nowrap valign=bottom style='width:1464.45pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal><span style='color:black'><a href="http://www.XXX.XX">www.XXX.XX</a><o:p></o:p></span></p>
</td>
</tr>
<tr style='height:15.0pt'>
<td width=160 nowrap valign=bottom style='width:120.3pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal><span style='color:black'>Referer<o:p></o:p></span></p>
</td>
<td width=1953 nowrap valign=bottom style='width:1464.45pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal><span style='color:black'><a href="http://XXX.XXX.XX">http://XXX.XXX.XX</a><o:p></o:p></span></p>
</td>
</tr>
<tr style='height:15.0pt'>
<td width=160 nowrap valign=bottom style='width:120.3pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal><span style='color:black'>UA-CPU<o:p></o:p></span></p>
</td>
<td width=1953 nowrap valign=bottom style='width:1464.45pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal><span style='color:black'>x86<o:p></o:p></span></p>
</td>
</tr>
<tr style='height:15.0pt'>
<td width=160 nowrap valign=bottom style='width:120.3pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal><span style='color:black'>User-Agent<o:p></o:p></span></p>
</td>
<td width=1953 nowrap valign=bottom style='width:1464.45pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal><span lang=EN-US style='color:black'>Mozilla/4.0
(compatible; MSIE 7.0; Windows NT 6.0; SLCC1; .NET CLR 2.0.50727; .NET CLR
3.0.04506)<o:p></o:p></span></p>
</td>
</tr>
<tr style='height:15.0pt'>
<td width=160 nowrap valign=bottom style='width:120.3pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'></td>
<td width=1953 nowrap valign=bottom style='width:1464.45pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'></td>
</tr>
<tr style='height:15.0pt'>
<td width=160 nowrap valign=bottom style='width:120.3pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'></td>
<td width=1953 nowrap valign=bottom style='width:1464.45pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'></td>
</tr>
<tr style='height:15.0pt'>
<td width=160 nowrap valign=bottom style='width:120.3pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal><span style='color:black'>(Status-Line)<o:p></o:p></span></p>
</td>
<td width=1953 nowrap valign=bottom style='width:1464.45pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal><span style='color:black'>HTTP/1.1 302 Found<o:p></o:p></span></p>
</td>
</tr>
<tr style='height:15.0pt'>
<td width=160 nowrap valign=bottom style='width:120.3pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal><span style='color:black'>Age<o:p></o:p></span></p>
</td>
<td width=1953 nowrap valign=bottom style='width:1464.45pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal><span style='color:black'>28<o:p></o:p></span></p>
</td>
</tr>
<tr style='height:15.0pt'>
<td width=160 nowrap valign=bottom style='width:120.3pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal><span style='color:black'>Connection<o:p></o:p></span></p>
</td>
<td width=1953 nowrap valign=bottom style='width:1464.45pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal><span style='color:black'>keep-alive<o:p></o:p></span></p>
</td>
</tr>
<tr style='height:15.0pt'>
<td width=160 nowrap valign=bottom style='width:120.3pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal><span style='color:black'>Content-Length<o:p></o:p></span></p>
</td>
<td width=1953 nowrap valign=bottom style='width:1464.45pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal align=right style='text-align:right'><span
style='color:black'>619<o:p></o:p></span></p>
</td>
</tr>
<tr style='height:15.0pt'>
<td width=160 nowrap valign=bottom style='width:120.3pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal><span style='color:black'>Date<o:p></o:p></span></p>
</td>
<td width=1953 nowrap valign=bottom style='width:1464.45pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal><span style='color:black'>Thu, 25 Jun 2009 12:38:03 GMT<o:p></o:p></span></p>
</td>
</tr>
<tr style='height:15.0pt'>
<td width=160 nowrap valign=bottom style='width:120.3pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal><span style='color:black'>Location<o:p></o:p></span></p>
</td>
<td width=1953 nowrap valign=bottom style='width:1464.45pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal><span style='color:black'>https://www.xxxx.xxx?go=trans&redirected=Y&setCKorgpago=89482244&setCK__utma=1.3637389798933187000.1242304103.1242310216.1242349919.3&setCKPMS78987160=PMS78987160&setCKpmsword=ITEM&setCKtr_cookie=187.13.29.68&setCKorgnickp=SELL-SHOP&setCKpmsctx=*****SMEMORIA+DDR400%7CS1+GB+DDR+400%7CS512+DDR+400%7C&setCKorgpms=305868&setCKorghash=062508-S4EZVST0K3VSOVBLL86MY7JOG4K5BU-89482244&setCKorguseridp=89482244&setCKorguserid=h749Th7ZZTT&setCKpoison_cookie=313426119&setCK__utmz=1.1242304103.1.1.utmcsr=(direct)|utmccn=(direct)|utmcmd=(none)&setCKoasLoConoce=Y<o:p></o:p></span></p>
</td>
</tr>
<tr style='height:15.0pt'>
<td width=160 nowrap valign=bottom style='width:120.3pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal><span lang=EN-US style='color:black'>Server<o:p></o:p></span></p>
</td>
<td width=1953 nowrap valign=bottom style='width:1464.45pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal><span lang=EN-US style='color:black'>Resin/3.0.18<o:p></o:p></span></p>
</td>
</tr>
<tr style='height:15.0pt'>
<td width=160 nowrap valign=bottom style='width:120.3pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal><span lang=EN-US style='color:black'>via<o:p></o:p></span></p>
</td>
<td width=1953 nowrap valign=bottom style='width:1464.45pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal><span lang=EN-US style='color:black'>1.1 Varnish
(yblvarnish4)<o:p></o:p></span></p>
</td>
</tr>
<tr style='height:15.0pt'>
<td width=160 nowrap valign=bottom style='width:120.3pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal><span lang=EN-US style='color:black'>X-Varnish<o:p></o:p></span></p>
</td>
<td width=1953 nowrap valign=bottom style='width:1464.45pt;padding:0cm 3.5pt 0cm 3.5pt;
height:15.0pt'>
<p class=MsoNormal><span lang=EN-US style='color:black'>1935462643 1935458287<o:p></o:p></span></p>
</td>
</tr>
</table>
<p class=MsoPlainText><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoPlainText><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoPlainText><span lang=EN-US>Thanks<o:p></o:p></span></p>
<p class=MsoPlainText><span lang=EN-US>Rodrigo.<o:p></o:p></span></p>
<p class=MsoPlainText><span lang=EN-US><o:p> </o:p></span></p>
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