On 23 Out 2011 16h26 WEST, mdounin@mdounin.ru wrote:
Hello Maxim,
Can this be reasoned like this?
1. last means the *last* rewrite, after which the location matching
phase reoccurs, in search of a content handler.
2. break means that the rewrite phase is done and we proceed to the
next phase. There must be a content handler (be a location) for
this to be true.
3. Outside a location block there's no content handler, hence using
last or break is basically the same.
Thx,
--- appa
> Hello!
>
> On Sat, Oct 22, 2011 at 02:04:21PM +0300, Nginx User wrote:
>
>> On 22 October 2011 06:30, Ryan Chan <ryanchan404@gmail.com> wrote:
>>> Anyone would like to do a quick summary for the issue?
>>
>> Minaev's answer in the serverfault link you provided is the
>> clearest explanation I have seen to date of this.
>>
>> To paraphrase, he says, within a location block, when you use
>> "last" the rewrites are stopped and a new subrequest is generated
>> which will
>
> Just a side note: "subrequest" is incorrect term here.
>
>> take all all locations into account. When you use "break" the
>> rewrites are stopped and processing continued within the location
>> you are in.
>>
>> Adding Maxim's statement above into account, outside a location
>> block, "break" behaves just like "last" does since there are no
>> location directives to run here.
>>
>> Someone just needs to update the docs if this is correct.
>
> Reading rewrite module docs carefully enough will tell basically
> the same:
>
> ...
> If the URI changed as a result of the execution of directives
> inside location, then location is again determined for the new
> URI. This cycle can be repeated up to 10 times, after which Nginx
> returns a 500 error.
> ...
>
> ...
> Example:
>
> rewrite ^(/download/.*)/media/(.*)\..*$ $1/mp3/$2.mp3 last;
> rewrite ^(/download/.*)/audio/(.*)\..*$ $1/mp3/$2.ra last;
> return 403;
>
> But if we place these directives in location /download/, then it
> is necessary to replace flag "last" by "break", otherwise Nginx
> will hit the 10 cycle limit and return error 500:
>
> location /download/ {
> rewrite ^(/download/.*)/media/(.*)\..*$ $1/mp3/$2.mp3 break;
> rewrite ^(/download/.*)/audio/(.*)\..*$ $1/mp3/$2.ra break;
> return 403;
> }
> ...
>
> The translation though looks awful and needs re-translation;
> additionally, it was already polluted with user comments, and this
> doesn't improve readability either.
>
> Maxim Dounin
>
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