Re: Windows 2003 Server limitation

From: Serverdude (Serverdude_at_discussions.microsoft.com)
Date: 10/01/04

  • Next message: GitzJoey: "Re: ftp server permission" 
    Date: Fri, 1 Oct 2004 08:55:02 -0700

    Regarding 2, we've gone above and beyond normal and have proven that it is
    IIS's FTP, not network connections, not client that dropped data. We've
    analyzed ftp packets, 3 ways TCP hand shake between servers and clients, and
    know who did what. MS tech support did not dispute our findings.

    "Bernard" wrote:

    > Wow. I haven't heard about the 1).
    > for 2) I have seen some previous posting, but there are just too many
    > posibilities. e.g. connection, client software and etc.
    >
    > as for IIS 6.0, I have no idea. just wait for the 'F' guy in the IIS to give
    > us the answer :)
    >
    > --
    > Regards,
    > Bernard Cheah
    > http://www.tryiis.com/
    > http://support.microsoft.com/
    > http://www.msmvps.com/bernard/
    >
    >
    >
    > "Serverdude" <Serverdude@discussions.microsoft.com> wrote in message
    > news:E63C6C35-906C-4EDA-99D0-2467B8141372@microsoft.com...
    > > Our ftp servers are hit heavily by the our user community. When we used
    > IIS
    > > 4 (NT4) and IIS5 (Windows 2000), we ran into the limitation of 100 current
    > > connections on these servers. We only learned of this after seeing
    > failures
    > > then troubleshot and consulted for many weeks with going up the chain in
    > > Microsoft technical support. We faced 2 issues when the limit is: 1) The
    > > 100 concurrent connection is the limit!
    > > 2) Instead of rejecting user connection, these FTP servers simply just
    > > dropped the data without any kind of notification!
    > >
    > > Our network engineers had to pull some Unix magic to capture the data 7x24
    > > and still do, so that we can capture all data to ensure nothing is lost
    > > whenever IIS FTP reached its limit. We faced rath from all sides
    > > (management, customers, bruised professional pride, etc.) because of this.
    > >
    > > Does anyone know if these (1 and 2 above BOTH) are still problems with
    > the
    > > IIS that comes with Windows 2003 server (IIS6). There are still legacy
    > > advantages for us to use windows FTP, but it's getting hard to justify
    > when
    > > the linux ftp servers didn't even break a sweat in a similar environment
    > at
    > > our company. There is a heavy push here by several groups to go to Linux.
    > > We need to make a decision by mid next week.
    > >
    > > Thanks
    > >
    >
    >
    >

  • Next message: GitzJoey: "Re: ftp server permission"

    Relevant Pages

    • RE: SBS 2003 Premium: how to allow FTP .EXE downloads
      ... Disable the problematic client XP firewall, ... click to check the "Hide All Microsoft Services" ... Is the FTP server on SBS? ... Download the file from the following URL: ...
      (microsoft.public.windows.server.sbs)
    • Re: Telnet/ftp problems SBS2000
      ... | through the server to get internet access everything works. ... | client uses an internet backup company to backup his really vital data, ... I understand that you cannot use ftp service to ... the connection can be established ...
      (microsoft.public.windows.server.sbs)
    • Directory Traversal Vulnerabilities in FTP Clients
      ... Vendors informed individually and through CERT/CC ... FTP clients, including those that may be embedded in web clients, can ... filename that the client requests. ... or the associated CERT vulnerability ...
      (Bugtraq)
    • [VulnWatch] Directory Traversal Vulnerabilities in FTP Clients
      ... Vendors informed individually and through CERT/CC ... FTP clients, including those that may be embedded in web clients, can ... filename that the client requests. ... or the associated CERT vulnerability ...
      (VulnWatch)
    • [NEWS] Directory Traversal Vulnerabilities in FTP Clients
      ... vulnerable to certain directory traversal attacks by modified FTP servers. ... file/directory permissions and the privilege level of the client. ... A malicious server could potentially overwrite key files to cause a denial ... your vendor, or the associated CERT vulnerability note, if your product is ...
      (Securiteam)