<html><head><base href="x-msg://337/"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Hi,<div><br></div><div>You can only cache items where the DNS record for those sites points at the server/infrastructure where you are running Varnish.</div><div><br></div><div>You could do something crazy like have <a href="http://flickr.mydomain.com">flickr.mydomain.com</a> referenced in your HTML pages which is configured in Varnish to use <a href="http://flickr.com">flickr.com</a> as a backend. Personally I think this is a bit strange but it is possible.</div><div><br></div><div>You need to think about why you are caching external stuff in Varnish and whether you are allowed to?</div><div><br></div><div>Stew</div><div><br></div><div><br></div><div><br><div><div>On 30 Mar 2011, at 07:35, Ronny Östman wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><div marginleft="10" marginright="10" margintop="10" marginbottom="10" style="margin-left: 10px; margin-right: 10px; margin-top: 10px; margin-bottom: 10px; "><div align="left" style="text-align: left; "><font face="Arial" size="+0" color="#000000" style="font-family: Arial; font-size: 10pt; color: rgb(0, 0, 0); ">Hello!</font></div><br><div align="left" style="text-align: left; "><font face="Arial" size="+0" color="#000000" style="font-family: Arial; font-size: 10pt; color: rgb(0, 0, 0); ">This might be a stupid question since I've searched alot and haven't really found the answer..</font></div><br><div align="left" style="text-align: left; "><font face="Arial" size="+0" color="#000000" style="font-family: Arial; font-size: 10pt; color: rgb(0, 0, 0); ">Anyway, I have a varnish set up caching requests to my backend the way I want it to and it works great</font></div><div align="left" style="text-align: left; "><font face="Arial" size="+0" color="#000000" style="font-family: Arial; font-size: 10pt; color: rgb(0, 0, 0); ">for all content that my backend provides.</font></div><br><div align="left" style="text-align: left; "><font face="Arial" size="+0" color="#000000" style="font-family: Arial; font-size: 10pt; color: rgb(0, 0, 0); ">The problem I am having is caching content from remote sources.. I'm not sure if this is really possible since</font></div><div align="left" style="text-align: left; "><font face="Arial" size="+0" color="#000000" style="font-family: Arial; font-size: 10pt; color: rgb(0, 0, 0); ">the request may not go through varnish.. i guess?</font></div><br><div align="left" style="text-align: left; "><font face="Arial" size="+0" color="#000000" style="font-family: Arial; font-size: 10pt; color: rgb(0, 0, 0); ">To further illustrate my question, here's an example of how it might look:</font></div><br><div align="left" style="text-align: left; "><font face="Arial" size="+0" color="#000000" style="font-family: Arial; font-size: 10pt; color: rgb(0, 0, 0); ">GET<span class="Apple-converted-space"> </span><a href="http://mydomain.com">mydomain.com</a><span class="Apple-converted-space"> </span>- Domain:<span class="Apple-converted-space"> </span><a href="http://mydomain.com">mydomain.com</a></font></div><div align="left" style="text-align: left; "><font face="Arial" size="+0" color="#000000" style="font-family: Arial; font-size: 10pt; color: rgb(0, 0, 0); ">GET main.css - Domain:<span class="Apple-converted-space"> </span><a href="http://mydomain.com">mydomain.com</a></font></div><div align="left" style="text-align: left; "><font face="Arial" size="+0" color="#000000" style="font-family: Arial; font-size: 10pt; color: rgb(0, 0, 0); ">GET hello.jpg - Domain:<span class="Apple-converted-space"> </span><a href="http://static.mydomain.com">static.mydomain.com</a></font></div><div align="left" style="text-align: left; "><font face="Arial" size="+0" color="#000000" style="font-family: Arial; font-size: 10pt; color: rgb(0, 0, 0); ">GET anypicture.png - Domain:<span class="Apple-converted-space"> </span><a href="http://flickr.com">flickr.com</a></font></div><div align="left" style="text-align: left; "><font face="Arial" size="+0" color="#000000" style="font-family: Arial; font-size: 10pt; color: rgb(0, 0, 0); ">GET foo.js - Domain:<span class="Apple-converted-space"> </span><a href="http://foo.com">foo.com</a></font></div><br><div align="left" style="text-align: left; "><font face="Arial" size="+0" color="#000000" style="font-family: Arial; font-size: 10pt; color: rgb(0, 0, 0); ">In this example, is it possible to have my varnish cache those "remote" requests as well? I can set up backends</font></div><div align="left" style="text-align: left; "><font face="Arial" size="+0" color="#000000" style="font-family: Arial; font-size: 10pt; color: rgb(0, 0, 0); ">for those remote domains and force varnish to use them instead of my own backend but I can't seem to find a</font></div><div align="left" style="text-align: left; "><font face="Arial" size="+0" color="#000000" style="font-family: Arial; font-size: 10pt; color: rgb(0, 0, 0); ">way to have varnish do this "dynamically". The requests doesnt seem to go through my varnish according to</font></div><div align="left" style="text-align: left; "><font face="Arial" size="+0" color="#000000" style="font-family: Arial; font-size: 10pt; color: rgb(0, 0, 0); ">varnishlog and this makes it hard to set backend depending on host.</font></div><br><div align="left" style="text-align: left; "><font face="Arial" size="+0" color="#000000" style="font-family: Arial; font-size: 10pt; color: rgb(0, 0, 0); ">Am I trying to accomplish something impossible here?</font></div><br><div align="left" style="text-align: left; "><font face="Arial" size="+0" color="#000000" style="font-family: Arial; font-size: 10pt; color: rgb(0, 0, 0); ">Thanks!</font></div><br><div align="left" style="text-align: left; "><font face="Arial" size="+0" color="#000000" style="font-family: Arial; font-size: 10pt; color: rgb(0, 0, 0); ">Regards,</font></div><div align="left" style="text-align: left; "><font face="Arial" size="+0" color="#000000" style="font-family: Arial; font-size: 10pt; color: rgb(0, 0, 0); ">Ronny</font></div>_______________________________________________<br>varnish-misc mailing list<br><a href="mailto:varnish-misc@varnish-cache.org">varnish-misc@varnish-cache.org</a><br><a href="http://www.varnish-cache.org/lists/mailman/listinfo/varnish-misc">http://www.varnish-cache.org/lists/mailman/listinfo/varnish-misc</a></div></span></blockquote></div><br></div></body></html>