[OpenAFS-devel] Re: Windows error ERROR_REQ_NOT_ACCEP

[Ben Creech]

My error wouldn't be quite the same, since the problem is in the SMB 
server.  If it's network traffic that's breaking the CM, it's NetBIOS 
traffic, which would be Windows-specific.

--On Wednesday, May 21, 2003 10:36 AM -0400 Derek Atkins <warlord@MIT.EDU> 
wrote:

> Actually, now that you mention it, I seem to recall (about a year ago)
> a problem where certain bogus network scanning messages could crash
> the AFS client.  It's possible you're being hit by this old bug.
> I certainly thought it was fixed, but it may have only been fixed
> for Unix clients -- I dont know if it was fixed for Windows.
>
> -derek
>
> Ben Creech <bpcreech@eos.ncsu.edu> writes:
>
>> After a week or so of logging, I've only gotten one trace of the
>> error. This would be because the machines are used much less now that
>> the semester is over.
>>
>> http://www.eos.ncsu.edu/wolfcall/ktc_ForgetAllTokens/ktc_ForgetAllTokens
>> _tr ace.html
>>
>> A random hypothesis is that this could be caused by hackers scanning
>> our network.  There is a whole slew of people, mostly on EFNet
>> movie/warez channels, who have an affinity for 10 mbit up/down for
>> some reason.  That problem will be dealt with the heavy-handed way in
>> a week (via port blocking at the campus gateway).
>>
>> Either way, I'd consider it a bug that ambient network traffic could
>> mess up the AFS client, unless we're going to put the loopback adapter
>> in the installer (and make it "required").  Of course, I have zero
>> evidence that this is even the case.  It could be any number of other
>> godawful things breaking the AFS Client for us.
>>
>>
>> --On Sunday, May 11, 2003 1:01 PM -0700 James Peterson
>> <james@abrakus.com> wrote:
>>
>> > The trace option will display the SMB activity that goes on while the
>> > Cache Manager is active.
>> >
>> > The event log information probably won't do you much good without some
>> > familarity with the SMB protocol.   However, I would be interesting in
>> > pouring over a copy of the log after this failure occured.   If you
>> > set up the event log so that it will keep logging (over write the
>> > oldest) and then when your machine jams, export the event log to a
>> > file and email it to me. (Not to worry, your password information is
>> > not part of the event log dump.)
>> >
>> > Personally I suspect the error is because the Cache manager is
>> > returning an incorrect error for a SMB request it doesn't have coding
>> > for; something like that.
>> >
>> > James Peterson
>> > "Integrity is the Base of Excellence"
>> >
>>
>>
>>
>>
>>
>>
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>
> --
>        Derek Atkins, SB '93 MIT EE, SM '95 MIT Media Laboratory
>        Member, MIT Student Information Processing Board  (SIPB)
>        URL: http://web.mit.edu/warlord/    PP-ASEL-IA     N1NWH
>        warlord@MIT.EDU                        PGP key available