Re: REPOST : problem with security ? on IIS5-Soap-ISAPI-Win2Kpr

From: jve (tmp02_at_freegates.be)
Date: 05/02/03

  • Next message: sam spade: "junk mail" 
    Date: Fri, 2 May 2003 09:50:25 +0200

    Hi,

    I finally managed to solve the problem. Just in case someone else get the
    same trouble : I added extensive logging of errors to the DLL and found out
    that the problems were caused by a corrupt installation/registration of the
    mswinsck.ocx. Unregistering with regsvr32 /u and after that re-registering
    with regsvr32 solved the issue.

    Why the initial registration failed is still unclear. It was done through a
    "Visual Studio Installer 1.1" package (=Windows installer msi) which
    contained the latest mergefile for Winsock (mswinsck.msm). If I try it
    again with the msi file, it fails again (although the installation is not
    giving any errors or warnings, and upon inspection I do find some
    registration data in the registry. But apparently it's not 100% correct.)

    I did make other msi-installer packages in the past with this same
    mswinsck.msm included, for "desktop application" use. I never experienced
    any trouble in those cases. So it seems that 99% of the installationpackage
    is still OK.

    Regards,
    Jan

    "jve" <tmp02@freegates.be> wrote in message
    news:b8qmeb$202$1@news.worldonline.be...
    > Hi,
    >
    > I posted this one 2 days ago, but no reply so far... and problem still
    not
    > solved.
    > I added some results from further tests below ....
    >
    > I'm running SOAP (toolkit v2.0) on IIS5 (Win2K Pro sp3) by way of ASAPI.
    My
    > dll is written in VB6.0 and is itself calling another dll (vbSendMail from
    > www.freevbcode.com) to send e-mails directly through winsock.
    >
    > The e-mail part is not working. The only thing I get is a hanging client
    > (on another computer)
    > and two beeps on the server. No errormessage whatsoever.
    >
    > Debugging of the DLL didn't help as in the VB-IDE everything is working
    > fine. This made me think it's a permission related issue as by running
    the
    > dll in VB.EXE, it is getting more rights than when running under the
    > IUSR_<Machine> account..
    >
    > After making IUSR_<Machine> part of the administrator group everything
    works
    > fine. However after removing these administrator rights again, the error
    > did NOT come back.
    >
    > I reinstalled the whole system to get the error back, and enabled all
    > auditing in "local policies->audit policies", hoping to see what is
    causing
    > this. The error is back. I'm not seeing any file-security violations in
    > the
    > eventlog related to this issue, but there are 2 registry related security
    > violations. Investigation with regmon (www.sysinternals.com) shows a lot
    of
    > "access denied" failures, most of them in ClassRoot key at the clsid and
    the
    > typelib entry of "mswinsck.ocx", caused by the ddlhost.exe process under
    the
    > IUSR_COMPAQ account. It looks like one is trying to reregister the
    > component ???? This doesn't make sens to me, as the component is already
    > properly registered....
    >
    > Any help would be appreciated ?
    >
    > Thanks,
    > Jan
    >
    >
    >
    >

  • Next message: sam spade: "junk mail"

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