[google-appengine] Re: Large static files enable a quota exhaustion attack

2009-08-01 Thread Holger
Instead of offering your file as static file (whose download you can't control) you could offer your file via url request from datastore and make registration and login obligatory or block any third request from the same IP. Then a single attacker has got no chance, only a bot net would be effect

[google-appengine] Re: Large static files enable a quota exhaustion attack

2009-08-02 Thread Nick Johnson (Google)
Hi Alexander, Thanks for your report. I've forwarded it to the appropriate people. -Nick Johnson On Sat, Aug 1, 2009 at 3:14 PM, Alexander Konovalenko wrote: > > I'd like to draw more attention to a security issue with the App > Engine quota system which makes it particularly easy for an attack

[google-appengine] Re: Large static files enable a quota exhaustion attack

2009-08-02 Thread Joshua Smith
On Aug 1, 10:14 am, Alexander Konovalenko wrote: > User syntax writes that when a client requests a large (10 MB) static > file Am I missing something? How could one have a static file larger than 1MB? --~--~-~--~~~---~--~~ You received this message because yo

[google-appengine] Re: Large static files enable a quota exhaustion attack

2009-08-02 Thread Alexander Konovalenko
> Am I missing something?  How could one have a static file larger than > 1MB? The limit has been raised some time ago: http://code.google.com/appengine/docs/python/runtime.html#Quotas_and_Limits --~--~-~--~~~---~--~~ You received this message because you are subs