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From: "Mike S." <maikxlx@gmail.com>
Date: Thu, 27 Feb 2020 17:39:50 -0500
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Subject: Re: [lojban] Re: What's going with CloudFlare and caching and such.
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I ran some tests three days ago and it all seems good so far!
-Mike <http://loglang.wordpress.com/>


On Wed, Feb 26, 2020 at 2:15 AM Robin Lee Powell <
rlpowell@digitalkingdom.org> wrote:

> How's the behaviour now?  You should be seeing that logging in gets
> you the live site without caching.
>
> On Fri, Feb 07, 2020 at 09:35:34AM -0800, la .eris. wrote:
> > Personally, this is seeming like more trouble than it's worth. Pages
> keep
> > displaying improperly (looking like I'm not logged in, or like someone
> else
> > is logged in). I'd prefer to just have the site down when your server is
> > down and have everything work properly the rest of the time.
> >
> > Incidentally, how do the Wikimedia Foundation wikis handle caching?
> >
> > -Aris (aka. bookofportals)
> >
> > On Wednesday, February 5, 2020 at 10:29:23 PM UTC-8, Robin Lee Powell
> wrote:
> > >
> > > Some of you have noticed problems with dynamic content on lojban.org
> > > now that we've started using CloudFlare.  I haven't been able to
> > > figure out how to fix this, so here's what's going on; maybe
> > > somebody else will have ideas.
> > >
> > > So the goal of CloudFlare, primarily, was to make it so that if my
> > > server went down, the site would be basically fine.  This we have
> > > acheived.
> > >
> > > However, to do so, I had to use brute force.  Here's our CloudFlare
> > > page rules:
> > >
> > > *lojban.org/*&*          Cache Level: Bypass
> > > *lojban.org/*edit*       Cache Level: Bypass
> > > *lojban.org/*Special:*  Cache Level: Bypass
> > > *lojban.org/*Talk:*     Cache Level: Bypass
> > > *lojban.org/*           Browser Cache TTL: 30 minutes, Always Online:
> On,
> > > Cache Level: Cache Everything, Edge Cache TTL: 2 hours, Origin Cache
> > > Control: Off
> > >
> > > That last one is a very large hammer that says "just cache the hell
> > > out of everything".
> > >
> > > The reason I need that hammer is that mediawiki is returning
> > > absurdly wrong caching headers.  Here's an example that entirely
> > > bypasses CloudFlare:
> > >
> > > $ curl -k -v -H 'Host: mw.lojban.org' -L
> > > https://jukni.lojban.org/papri/pronunciation 2>&1 | less
> > > [snip]
> > > < HTTP/1.1 200 OK
> > > < Date: Thu, 06 Feb 2020 06:26:31 GMT
> > > < Server: Apache/2.4.38 (Debian)
> > > < X-Powered-By: PHP/7.3.14
> > > < X-Content-Type-Options: nosniff
> > > < Content-language: en
> > > < Vary: Accept-Encoding,Cookie
> > > < Expires: Thu, 01 Jan 1970 00:00:00 GMT
> > > < Cache-Control: private, must-revalidate, max-age=0
> > >
> > > ^^ That.   That Cache-Control line is absurd, and effectively
> > > completely disableds CloudFlare.
> > >
> > > I have tested this by talking *directly* to the mediawiki server,
> > > no SSL, no proxies, no nothing; it's the same.
> > >
> > > Our LocalSettings.php file is attached.
> > >
> > > I don't care if the solution is on the mediawiki side or the
> > > CloudFlare side, but at this point I've sunk more time into this
> > > than I can afford and I've come up empty, so I'd appreciate any
> > > ideas you might have.
> > >
> > > Having said that, if you're going to point me at
> > >
> https://www.mediawiki.org/wiki/Manual:CloudFlare#Integration_with_MediaWiki
> > > , you'll need to tell me exactly which part you think is relevant,
> > > and why.  Most of that page is about making X-Forwarded-For: do the
> > > right thing, which is totally irrelevant to this problem.
> > >
> > > Thanks for any help.
> > >
> >
> > --
> > You received this message because you are subscribed to the Google
> Groups "lojban" group.
> > To unsubscribe from this group and stop receiving emails from it, send
> an email to lojban+unsubscribe@googlegroups.com.
> > To view this discussion on the web visit
> https://groups.google.com/d/msgid/lojban/d444e62c-2706-4bd5-ba06-84da52b2c69c%40googlegroups.com
> .
>
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> .
>

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<div dir=3D"ltr">I ran some tests three days ago and it all seems good so f=
ar! <br><div><div><div dir=3D"ltr" data-smartmail=3D"gmail_signature"><div =
dir=3D"ltr"><div>-Mike<a href=3D"http://loglang.wordpress.com/" target=3D"_=
blank"></a> <br><br></div></div></div></div><br></div></div><br><div class=
=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Wed, Feb 26, 2020=
 at 2:15 AM Robin Lee Powell &lt;<a href=3D"mailto:rlpowell@digitalkingdom.=
org" target=3D"_blank">rlpowell@digitalkingdom.org</a>&gt; wrote:<br></div>=
<blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-=
left:1px solid rgb(204,204,204);padding-left:1ex">How&#39;s the behaviour n=
ow?=C2=A0 You should be seeing that logging in gets<br>
you the live site without caching.<br>
<br>
On Fri, Feb 07, 2020 at 09:35:34AM -0800, la .eris. wrote:<br>
&gt; Personally, this is seeming like more trouble than it&#39;s worth. Pag=
es keep <br>
&gt; displaying improperly (looking like I&#39;m not logged in, or like som=
eone else <br>
&gt; is logged in). I&#39;d prefer to just have the site down when your ser=
ver is <br>
&gt; down and have everything work properly the rest of the time.<br>
&gt; <br>
&gt; Incidentally, how do the Wikimedia Foundation wikis handle caching?<br=
>
&gt; <br>
&gt; -Aris (aka. bookofportals)<br>
&gt; <br>
&gt; On Wednesday, February 5, 2020 at 10:29:23 PM UTC-8, Robin Lee Powell =
wrote:<br>
&gt; &gt;<br>
&gt; &gt; Some of you have noticed problems with dynamic content on <a href=
=3D"http://lojban.org" rel=3D"noreferrer" target=3D"_blank">lojban.org</a> =
<br>
&gt; &gt; now that we&#39;ve started using CloudFlare.=C2=A0 I haven&#39;t =
been able to <br>
&gt; &gt; figure out how to fix this, so here&#39;s what&#39;s going on; ma=
ybe <br>
&gt; &gt; somebody else will have ideas. <br>
&gt; &gt;<br>
&gt; &gt; So the goal of CloudFlare, primarily, was to make it so that if m=
y <br>
&gt; &gt; server went down, the site would be basically fine.=C2=A0 This we=
 have <br>
&gt; &gt; acheived. <br>
&gt; &gt;<br>
&gt; &gt; However, to do so, I had to use brute force.=C2=A0 Here&#39;s our=
 CloudFlare <br>
&gt; &gt; page rules: <br>
&gt; &gt;<br>
&gt; &gt; *<a href=3D"http://lojban.org/*&amp;*" rel=3D"noreferrer" target=
=3D"_blank">lojban.org/*&amp;*</a>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 Cache =
Level: Bypass <br>
&gt; &gt; *<a href=3D"http://lojban.org/*edit*" rel=3D"noreferrer" target=
=3D"_blank">lojban.org/*edit*</a>=C2=A0 =C2=A0 =C2=A0 =C2=A0Cache Level: By=
pass <br>
&gt; &gt; *<a href=3D"http://lojban.org/*Special:*" rel=3D"noreferrer" targ=
et=3D"_blank">lojban.org/*Special:*</a>=C2=A0 Cache Level: Bypass <br>
&gt; &gt; *<a href=3D"http://lojban.org/*Talk:*" rel=3D"noreferrer" target=
=3D"_blank">lojban.org/*Talk:*</a>=C2=A0 =C2=A0 =C2=A0Cache Level: Bypass <=
br>
&gt; &gt; *<a href=3D"http://lojban.org/*" rel=3D"noreferrer" target=3D"_bl=
ank">lojban.org/*</a>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Browser Cache=
 TTL: 30 minutes, Always Online: On, <br>
&gt; &gt; Cache Level: Cache Everything, Edge Cache TTL: 2 hours, Origin Ca=
che <br>
&gt; &gt; Control: Off <br>
&gt; &gt;<br>
&gt; &gt; That last one is a very large hammer that says &quot;just cache t=
he hell <br>
&gt; &gt; out of everything&quot;. <br>
&gt; &gt;<br>
&gt; &gt; The reason I need that hammer is that mediawiki is returning <br>
&gt; &gt; absurdly wrong caching headers.=C2=A0 Here&#39;s an example that =
entirely <br>
&gt; &gt; bypasses CloudFlare: <br>
&gt; &gt;<br>
&gt; &gt; $ curl -k -v -H &#39;Host: <a href=3D"http://mw.lojban.org" rel=
=3D"noreferrer" target=3D"_blank">mw.lojban.org</a>&#39; -L <br>
&gt; &gt; <a href=3D"https://jukni.lojban.org/papri/pronunciation" rel=3D"n=
oreferrer" target=3D"_blank">https://jukni.lojban.org/papri/pronunciation</=
a> 2&gt;&amp;1 | less <br>
&gt; &gt; [snip] <br>
&gt; &gt; &lt; HTTP/1.1 200 OK <br>
&gt; &gt; &lt; Date: Thu, 06 Feb 2020 06:26:31 GMT <br>
&gt; &gt; &lt; Server: Apache/2.4.38 (Debian) <br>
&gt; &gt; &lt; X-Powered-By: PHP/7.3.14 <br>
&gt; &gt; &lt; X-Content-Type-Options: nosniff <br>
&gt; &gt; &lt; Content-language: en <br>
&gt; &gt; &lt; Vary: Accept-Encoding,Cookie <br>
&gt; &gt; &lt; Expires: Thu, 01 Jan 1970 00:00:00 GMT <br>
&gt; &gt; &lt; Cache-Control: private, must-revalidate, max-age=3D0 <br>
&gt; &gt;<br>
&gt; &gt; ^^ That.=C2=A0 =C2=A0That Cache-Control line is absurd, and effec=
tively <br>
&gt; &gt; completely disableds CloudFlare. <br>
&gt; &gt;<br>
&gt; &gt; I have tested this by talking *directly* to the mediawiki server,=
 <br>
&gt; &gt; no SSL, no proxies, no nothing; it&#39;s the same. <br>
&gt; &gt;<br>
&gt; &gt; Our LocalSettings.php file is attached. <br>
&gt; &gt;<br>
&gt; &gt; I don&#39;t care if the solution is on the mediawiki side or the =
<br>
&gt; &gt; CloudFlare side, but at this point I&#39;ve sunk more time into t=
his <br>
&gt; &gt; than I can afford and I&#39;ve come up empty, so I&#39;d apprecia=
te any <br>
&gt; &gt; ideas you might have. <br>
&gt; &gt;<br>
&gt; &gt; Having said that, if you&#39;re going to point me at <br>
&gt; &gt; <a href=3D"https://www.mediawiki.org/wiki/Manual:CloudFlare#Integ=
ration_with_MediaWiki" rel=3D"noreferrer" target=3D"_blank">https://www.med=
iawiki.org/wiki/Manual:CloudFlare#Integration_with_MediaWiki</a> <br>
&gt; &gt; , you&#39;ll need to tell me exactly which part you think is rele=
vant, <br>
&gt; &gt; and why.=C2=A0 Most of that page is about making X-Forwarded-For:=
 do the <br>
&gt; &gt; right thing, which is totally irrelevant to this problem. <br>
&gt; &gt;<br>
&gt; &gt; Thanks for any help. <br>
&gt; &gt;<br>
&gt; <br>
&gt; -- <br>
&gt; You received this message because you are subscribed to the Google Gro=
ups &quot;lojban&quot; group.<br>
&gt; To unsubscribe from this group and stop receiving emails from it, send=
 an email to <a href=3D"mailto:lojban%2Bunsubscribe@googlegroups.com" targe=
t=3D"_blank">lojban+unsubscribe@googlegroups.com</a>.<br>
&gt; To view this discussion on the web visit <a href=3D"https://groups.goo=
gle.com/d/msgid/lojban/d444e62c-2706-4bd5-ba06-84da52b2c69c%40googlegroups.=
com" rel=3D"noreferrer" target=3D"_blank">https://groups.google.com/d/msgid=
/lojban/d444e62c-2706-4bd5-ba06-84da52b2c69c%40googlegroups.com</a>.<br>
<br>
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0226071539.GE4720%40stodi.digitalkingdom.org</a>.<br>
</blockquote></div>

<p></p>

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