Re: FYI... Binary Optimized Header Encoding for SPDY

On Sun, Aug 5, 2012 at 8:31 AM, Poul-Henning Kamp <phk@phk.freebsd.dk> wrote:
> In message <501E5A69.5000802@treenet.co.nz>, Amos Jeffries writes:
>
>>Only if you try to cache along the assumed filesystem hierarchy implicit
>>in URLs. Using the absolute URL as an opaque hash key (as Squid does)
>>instead of reading any meaning in its syntax avoids all these issues
>>completely.
>
> But opens you up to DoS attacks along the lines of:
>
>         GET /ABCDEF.html
>         GET /%41BCDEF.html
>         GET /A%42CDEF.html
>         ...


Those are actually the same URL. Just different encodings.


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Received on Sunday, 5 August 2012 16:24:09 UTC