<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=us-ascii"><meta name=Generator content="Microsoft Word 12 (filtered medium)"><style><!--
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</o:shapelayout></xml><![endif]--></head><body lang=FR link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Hi there,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span lang=EN-US>While reading the docs, I found this in <a href="https://www.varnish-software.com/wiki/content/tutorials/varnish/sample_vclTemplate.html">https://www.varnish-software.com/wiki/content/tutorials/varnish/sample_vclTemplate.html</a> :<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><b><span lang=EN-US>HANDLING HTTP PURGE<o:p></o:p></span></b></p><p class=MsoNormal><span lang=EN-US> sub vcl_purge {<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> <i># Only handle actual PURGE HTTP methods, everything else is discarded</i><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> <b>if</b> (req.method != "PURGE") {<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> <i># restart request</i><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> set req.http.X-Purge = "Yes";<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> </span><b>return</b>(restart);<o:p></o:p></p><p class=MsoNormal> }<o:p></o:p></p><p class=MsoNormal> }<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span lang=EN-US>But in mattiasgeniar/varnish-4.0-configuration-templates <a href="https://github.com/mattiasgeniar/varnish-4.0-configuration-templates/blob/master/default.vcl">https://github.com/mattiasgeniar/varnish-4.0-configuration-templates/blob/master/default.vcl</a> <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>This is just the opposite logic :<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>sub vcl_purge {<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> # <i>Only handle actual PURGE HTTP methods, everything else is discarded</i><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> if (req.method == "PURGE") {<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> # <i>restart request<o:p></o:p></i></span></p><p class=MsoNormal><span lang=EN-US> set req.http.X-Purge = "Yes";<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> return (restart);<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> }<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>}<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>So I assume the latter, wiki page, has a typo ?!<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'>Last, in <a href="https://book.varnish-software.com/4.0/chapters/Cache_Invalidation.html">https://book.varnish-software.com/4.0/chapters/Cache_Invalidation.html</a> , after similar vcl_recv conditions than above to return purge, vcl_purge subroutine sets req.method instead of req.http.X-Purge :<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'>sub vcl_purge {<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'> set req.method = "GET";<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'> return (restart);<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'>}<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'>Sounds logical to change req.method to avoid infinite loops, so why isn’t it the same in above examples ?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Thank<span style='color:#1F497D'> you !</span><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 style='background:white;border-collapse:collapse'><tr><td valign=top style='padding:0cm 6.0pt 0cm 6.0pt'></td></tr><tr><td width=50 nowrap valign=top style='width:29.75pt;padding:0cm 6.0pt 0cm 6.0pt'></td><td valign=top style='padding:0cm 6.0pt 0cm 6.0pt'></td></tr><tr><td width=50 nowrap valign=top style='width:29.75pt;padding:0cm 6.0pt 0cm 6.0pt'></td><td valign=top style='padding:0cm 6.0pt 0cm 6.0pt'></td></tr><tr><td width=50 nowrap valign=top style='width:29.75pt;padding:0cm 6.0pt 0cm 6.0pt'></td><td valign=top style='padding:0cm 6.0pt 0cm 6.0pt'></td></tr><tr><td width=50 nowrap valign=top style='width:29.75pt;padding:0cm 6.0pt 0cm 6.0pt'></td><td valign=top style='padding:0cm 6.0pt 0cm 6.0pt'></td></tr><tr><td width=50 nowrap valign=top style='width:29.75pt;padding:0cm 6.0pt 0cm 6.0pt'></td><td valign=top style='padding:0cm 6.0pt 0cm 6.0pt'></td></tr><tr><td width=50 nowrap valign=top style='width:29.75pt;padding:0cm 6.0pt 0cm 6.0pt'></td><td valign=top style='padding:0cm 6.0pt 0cm 6.0pt'></td></tr><tr><td width=50 nowrap valign=top style='width:29.75pt;padding:0cm 6.0pt 0cm 6.0pt'></td><td valign=top style='padding:0cm 6.0pt 0cm 6.0pt'></td></tr></table><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div></body></html>