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Distributed Component Object Model (DCOM) Binary Protocol
White Papers Specifications, papers, links to Web sites, and recommended readings provide the necessary resources for understanding DCOM—a protocol that enables software components to communicate directly over a network in a reliable, secure, and efficient...
[January 1, 1970, 0:59]
DCOM Business Overview , Microsoft Corporation
White Papers DCOM is a technology that enables software components to communicate directly with each other across networks, including the Internet and intranets. This business overview explains how DCOM can make your development and deployment process more...
[January 1, 1970, 0:59]
DCOM Architecture , Microsoft Corporation
White Papers Focusing on the interworkings of DCOM, this paper targets the application developer who wants to create state-of-the-art applications that scale equally well to the Intranet, the Internet, and beyond.
[January 1, 1970, 0:59]
DCOM Technical Overview
White Papers Microsoft's distributed COM (DCOM) extends the Component Object Model (COM) to support communication among objects on different computers-on a LAN, a WAN, or even the Internet. With DCOM, your application can be distributed at locations that make...
[January 1, 1970, 0:59]
ActiveX Data Objects (ADO) 1.5/2.0/2.1 SP2 And Visual Basic Sample: Using ADO With An MTS Component Via DCOM (Adomts.exe)
Downloads This sample demonstrates how to use a lightweight Standard .exe client to connect to an MTS-hosted DLL and retrieve an ADOR recordset through DCOM. This sample does not use Remote Data Service (RDS) to create the business objects.
[August 31, 2007, 8:51]
Using Web Services Instead Of DCOM
White Papers The Microsoft .NET Framework provides a rich alternative to the Distributed COM (DCOM) protocol in the form of XML Web services provided by ASP.NET. XML Web services allow businesses to distribute their application services to a broader audience...
[January 1, 1970, 0:59]
Best Practices For Mitigating RPC And DCOM Vulnerabilities
White Papers This white paper is being made available to assist system administrators and technical personnel in preventing damage caused by an exploit for vulnerabilities in the RPC and DCOM sub-systems in Microsoft’s operating systems.
[January 1, 1970, 0:59]
Using Distributed COM With Firewalls
White Papers Unlike most Internet applications which have fixed TCP and/or UDP ports, DCOM dynamically assigns—at run time—one TCP port and one UDP port to each executable process serving DCOM objects on a computer.
[January 1, 1970, 0:59]
COM Internet Services
White Papers COM Internet Services (CIS) introduces support for a new Distributed COM (DCOM) transport protocol known as Tunneling Transmission Control Protocol (TCP) that allows DCOM to operate over TCP port 80. This allows a client and a server to communicate...
[January 1, 1970, 0:59]
Calling MTS Components
White Papers A client can call a remote MTS component using DCOM, HTTP, or Remote Automation. To run an MTS component on the client computer, the client computer must have MTS installed.This white paper summarizes rules for calling components, including...
[January 1, 1970, 0:59]
ASTA And MIDAS Comparison
White Papers This paper provides answers to questions about ASTA and its use of a "standard" RPC like DCOM or Corba. ASTA has a complete and easy to use messaging layer that was designed for Database application developers to use with no knowledge of sockets or...
[January 1, 1970, 0:59]
DDObjects
Downloads DDObjects is a remoting framework to be used with Borland Delphi and C++ Builder which originally has been started out of personal interest for technologies like DCOM, RMI, Corba. DDObjects doesn't mimic other remoting frameworks as DCOM or Corba...
[March 29, 2007, 1:35]
Cleaning Up After The MSBlast Worm
News It is worth noting that an updated version of the worm could affect other Microsoft operating systems, so it is recommended that all systems are patched against the DCOM vulnerability. The worm exploits a widely publicised "DCOM" vulnerability...
[August 12, 2003, 14:59]
The Microsoft Transaction Server (MTS): Transactions Meet Components
White Papers Microsoft’s primary goal is to provide a robust execution environment to support business-critical application systems developed using COM and DCOM. Microsoft is encouraging third-party software developers to build applications using MTS and hopes...
[January 1, 1970, 0:59]
Preventing And Removing The Nachi Worm
News Nachi (w32.nachi.a, also known as Welchia, worm_msblast.d, and Sachi) exploits the same Microsoft DCOM RPC Windows flaw as MSBlast, but it removes traces of that worm and even downloads the correct version-specific DCOM RPC patch to prevent...
[August 20, 2003, 10:15]
Finding Flaws Helpful - MS Security Chief
News During an interview with ZDNet Australia, software engineer George Stathakopoulos, who is responsible for ensuring Microsoft products are as secure as possible, said the "DCOM" vulnerability -- which was discovered by security group the Last Stage...
[August 6, 2003, 11:45]
Why Did MSBlast Fail To Take Down Microsoft?
News MSBlast, like most other worms, came shortly after the announcement of a DCOM Remote Procedure Call (RPC) vulnerability in Windows NT, 2000, and XP systems. For example, blocking TCP port 135 on routers will stop MSBlast but also other software...
[August 28, 2003, 13:30]
Networks Must Counter Triple Threat
News When it finds one, it attempts to exploit the DCOM RPC buffer overflow, create a remote root shell on TCP port 4444, then use FTP to download a file called msblast.exe onto the infected computer. Blaster takes advantage of a DCOM RPC vulnerability...
[August 21, 2003, 12:40]
Build Next-generation Applications Now
News For example, applications written on a Microsoft platform that uses DCOM (Distributed Component Object Model) require "holes" that have to be punched in the firewalls to allow NetBIOS packets to pass through.
[June 6, 2002, 13:33]
FastSpa Omron-Cseries Hostlink OPC Server
Downloads FastSpa Omron-Cseries Hostlink OPC Server is based on COM/DCOM technology following OPC specifications and supports communication with most of Omron PLC through Host Link protocol and is optimized for Omron Cseries PLCs.
[August 17, 2006, 0:16]
