Message-ID: <511D5CF7.90609@kaltenbrunner.cc>
Date: Thu, 14 Feb 2013 22:53:59 +0100
From: Stefan Kaltenbrunner <stefan@kaltenbrunner.cc>
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To: Tom Lane <tgl@sss.pgh.pa.us>
CC: Magnus Hagander <magnus@hagander.net>, Dave Page <dpage@pgadmin.org>,
	PostgreSQL WWW <pgsql-www@postgresql.org>,
	Alvaro Herrera <alvherre@2ndquadrant.com>
Subject: Re: 403 - Forbidden on gitweb pages
References: <20314.1360801157@sss.pgh.pa.us>
	<20130214002454.GJ4546@alvh.no-ip.org>
	<CA+OCxoyzV904OZ2Qqog9myzzsTFoRYg6eGhM5xX14ENWb0pZoA@mail.gmail.com>
	<CABUevEzpKkHpGeWLRmkvdaF3KR5QsDqXfyZii2Tw-hf3D+mskA@mail.gmail.com>
	<4282.1360816298@sss.pgh.pa.us>
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On 02/14/2013 05:31 AM, Tom Lane wrote:
> Magnus Hagander <magnus@hagander.net> writes:
>> The bandaid solution was to rate limit access per ip. The error you hit is
>> when you're rate limited.
> 
> [ raised eyebrow... ]  I'm fairly sure I've seen it more than once when
> performing a *single* page fetch.  In any case, the probability of
> failure increased by a couple orders of magnitude sometime in the past
> month or so, because I'd never seen it before that.

any chance you moved to a different browser (or a new version of it) in
that timeframe?
I can trivially reproduce that issue here now because my browser is
employing fairly agressive prefetching techniques that the currently
rate-limiting system is not prepared to deal with, and from looking at
the logs this is actually a fairly common issue :(


Stefan


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