[interchange-docs] RobotLimit and Temporary Sessions

[Stefan Hornburg (Racke)]

Mike Heins wrote:
> Quoting Stefan Hornburg (Racke) (racke at linuxia.de):
>> Hello,
>>
>> I noticed an interesting problem while researching an issue reported by 
>> Peter with lockout subs.
>>
>> The RobotLimit stuff doesn't appear to apply to temporary sessions.
>> While this is OK for well-behaved robots, it can easily be exploited
>> by bad robots pretending with their UserAgent string to be one of
>> the good guys (or just matching by chance).
>>
>> So my suggestion is to:
>>
>> * check count_ip for temporary sessions as well
>> * document this surprising "feature"
> 
> The worry about robots has always been session proliferatio and the
> corresponding drag on I/O.
> 
> I don't think anyone has ever thought that IC had a strong defense
> against overuntilization, but a couple of rudimentary features that
> stopped the stupidest of the poorly-mannered robots would be reasonable.
> 

*bump*

That's fair enough, but should be still documented.

Regards
         Racke

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