Re: LSP on WINCE 4.2 (extremly painful)
- From: "Ajay Agrawal" <ajay_agr@xxxxxxxxxx>
- Date: Mon, 10 Oct 2005 12:46:00 +0530
Igor, Thanks for your reply. Please see my comments inline:
"Igor Dvorkin [MS]" <igord@xxxxxxxxxxxxxxxxxxxx> wrote in message
news:slrndkdoj1.28k.igord@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> Please post only to one newsgroup.
AA: Not sure about what is the exact protocol. But I have seen many times
various people requsted
to post to all the relevant newsgroups, so that everybody gets benefited.
But but I will take care now onwards.
> Also, in the future, can you start seperate threads for separate issues,
> it
> makes it easier for other people to find answers to problems we've already
> understood.
>
AA: I apologise for jumping in with my problem.
>
> DTPT_LSP is the desktop passthrough LSP. This component is a proxy client
> which talks to a proxy server in the desktop AS application. This allows
> traffic on the USB cable to be proxied onto the desktop's network.
AA: So, is it required by Activesync for passthru conenction? But there was
nothing like this on WinCE 4.2.
> AUTOBIND_LSP is an LSP that forces all traffic associated with an
> application
> to be "hard bound" to a paricular IP interface. This is done during
> connect
> and bind calls.
> I'm suprised you are having issues layering on top of autobind.
AA: Yes, connection to loopback address fails. I modify destination address
to loopback address in the connect call.
>
> Do you interfere with connect/bind calls?
AA: Yes I do that because I need to proxy all the traffic to my proxy
server.
>
>
> -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
> Igor Dvorkin ( igord at microsoft dot com)
> This posting is provided "AS IS" with no warranties, and confers no
> rights.
>
>
> * Ajay Agrawal <ajay_agr@xxxxxxxxxx>:
>> I think ws2.dll use LSP chain which is on the top in the catalog. I am
>> saying this because on 4.2 and 5.0 when I install myLSP on the top, all
>> the
>> socket application traffic goes thru my LSP.
>>
>> Did you also try loading your LSP on WM 5.0? In WM 5.0 there are 2 LSPs
>> installed by default, "DTPT" and "Autobind_lsp". When I chain myLSP on
>> the
>> top of all the LSPs (myLSP->Autobind->SSLLSP->DTPT->Base Provider) then
>> IE
>> and outlook doesnot work. Also I have seen some other issues like
>> connection
>> to loopback address does not work. But when I install myLSP only over
>> SSL
>> LSP then everything works fine. Did you notice this? Any idea what these
>> two
>> LSPs do? If I layer myLSP over SSLLSP, then will I break any other
>> application on WM 5.0?
>>
>> Regards,
>> -Ajay
>> ----------------------------------------------------------------
>>
>> "The Amazing" <theamazing@xxxxxxxxxxx> wrote in message
>> news:uz7$H0oyFHA.908@xxxxxxxxxxxxxxxxxxxxxxx
>> > Thaks Ajay for your feedback... I've already tried that method... it
>> > seems
>> > that when you delete the registry entry for SSLLSP some how the path
>> > between
>> > NSPM and WSPM gets mixed up... I was just wondering if LSP Architecture
>> > in
>> > 4.2 and 5.0 are exactly the same and truly the same... I read and
>> > compare
>> > MSFT docs on this topic for both version, according to the doc it is
>> > the
>> > same but is it really?
>> > Also, any idea how ws2.dll select which LSP chain to choose?
>> > Regards,
>> > TA
>> >
>> > "Ajay Agrawal" <ajay_agr@xxxxxxxxxx> wrote in message
>> > news:ehz6UxjyFHA.3320@xxxxxxxxxxxxxxxxxxxxxxx
>> >> You will need to layer your LSP over SSL LSP. So it will look this:
>> >>
>> >> MYLSP->SSLLSP->BASE provider. Make sure catalog entry for your chain
>> >> is
>> >> on
>> >> the top.
>> >>
>> >> In 4.2 you can not control the LSP load order. So remove the SSL LSP
>> >> registry entry and load it from your LSP install.
>> >>
>> >> This way it works for me.
>> >>
>> >> Thanks,
>> >> -Ajay
>> >>
>> >>
>> >> "The Amazing" <theamazing@xxxxxxxxxxx> wrote in message
>> >> news:O6fVE$dyFHA.1856@xxxxxxxxxxxxxxxxxxxxxxx
>> >> > Hi All...
>> >> > I have asked this question on CE Live Chat, and been told that the
>> >> > only
>> >> > LSP
>> >> > guy @ MSFT is in vacation... so Igor I hope you had lots of fun and
>> >> > enjoyed
>> >> > your time:) Hopefully with a fresh mind after a good vacation you'll
>> >> > be
>> >> > able
>> >> > to help us here...:) Well of course if anyone else can help it would
>> >> > be
>> > an
>> >> > excellent news as well...:)
>> >> >
>> >> > Make the story short, we've been able to run the LSP on WinCE 5.0
>> >> > (CEPC)
>> >> > successfully, thanks to your weblog.... However it has become a
>> >> > painful
>> >> > (Verrrry) process installing our LSP on an actual CE 4.2 device (HP
>> >> > iPaq
>> >> > h6320)... if I had a choice I would drop 4.2 entirely and continue
>> >> > with
>> >> > 5.0
>> >> > but unfortunately there is no 5.0 in the market yet.
>> >> >
>> >> > let's first ask the generic question
>> >> > 1. In MSFT docs, it says that Ws2.dll decides which LSP chain to
>> >> > use.
>> >> > so
>> >> > how
>> >> > on earth it does this decision making when multiple copy of LSP
>> >> > exist.
>> >> > E.g.
>> >> > I have (MYLSP/SSLLSP/TCP & SSLLSP/TCP & TCP) so how do I tell
>> >> > WS2.dll
>> >> > to
>> >> > choose Mine vs. others)
>> >> >
>> >> > here is the problem on our side
>> >> > 1. in CE 4.2 we have followed every step you suggested in your web
>> >> > but
>> >> > amazingly enough we had nothing than problem.... we have even built
>> >> > an
>> > OS
>> >> > image of 4.2 for PC and carefully selected the communication
>> >> > packages
>> > but
>> >> > yet nothing... here is what we tried and what we got
>> >> >
>> >> > A. on OS we chose One TCP & UDP without SSLLSP and we make sure that
>> > MYLSP
>> >> > is the first one and only one to load over TCP and UDP. So we have 4
>> > pairs
>> >> > (MYLSP/TCP, MYLSP/UDP and TCP and UDP). When browser starts it gives
>> >> > "Can't
>> >> > find DNS server)... we made sure no instance of internet explorer
>> >> > will
>> > be
>> >> > running before our LSP installation
>> >> >
>> >> > B. on OS we chose One TCP & UDP with SSLLSP. before we install our
>> >> > LSP
>> > we
>> >> > got a printout of the chain. Interestingly enough there are 6 pairs
>> > (TCP,
>> >> > UDP, SSLSP/TCP, SSLLSP/UDP and again SSLSP/TCP and SSLSP/UDP). And
>> >> > yes
>> > we
>> >> > only chose the IPv4 no IPv6. so Why is there a 2nd copy with
>> >> > SSLLSP????
>> >> >
>> >> > Now after we installed our LSP we have all the pairs but yet when
>> >> > all
>> >> > IE
>> >> > opens up we still get the same "DNS" can't find thing.
>> >> >
>> >> > Almost similar issues on the actual device.
>> >> >
>> >> > here is the link which we followed how to install MYLSP on CE 4.2
>> >> > http://blogs.msdn.com/cenet/archive/2005/02/09/370018.aspx
>> >> >
>> >> > I would greatly & kindly appreciate any feedback.. advise...
>> > assistant...
>> >> >
>> >> > Regards,
>> >> > TA.
>> >> >
>> >> >
>> >>
>> >>
>> >
>> >
>>
>>
.
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