[ic] process.html 404 errors

[Grant]

>> I'm running 5.6.2 and I get a fair number of process.html GET requests
>> that 404, but sometimes I get process.html POST requests (along with a
>> valid HTTP_REFERER) that hit special_pages/missing.html and 404.  Here
>> are a few UAs I've seen do this in the last few days:
>>
>> (Linux; U; Android 1.6; en-us; T-Mobile myTouch 3G Build/DRC79)
>> AppleWebKit/528.5+ (KHTML, like Gecko) Version/3.1.2 Mobile
>> Safari/525.20.1
>> (Linux; U; Android 1.6; en-us; T-Mobile myTouch 3G Build/DMD64)
>> AppleWebKit/528.5+ (KHTML, like Gecko) Version/3.1.2 Mobile
>> Safari/525.20.1
>> Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_5_8; en-us)
>> AppleWebKit/531.21.8 (KHTML, like Gecko) Version/4.0.4
>> Safari/531.21.10
>>
>> Examining the logs, they were obviously legitimate users.  Their
>> session changes on each page access, but their IP address is
>> consistent.  I can't figure out how this could happen.  Does anyone
>> have any ideas?
>
> Probably don't have cookies enabled and you're not passing the session
> ID as part of the posted form.
>
>
> Peter

That's the strange part.  I am passing it:

<form action="[process secure=1]" method="post">
<input type="hidden" name="mv_session_id" value="[data session id]" />

- Grant