What does this security bulletin address? This security update addresses reflection protection in the Telnet protocol. For more information about Reflection Protection, please review the following security bulletin:. What is Extended Protection?
This security update contains a defense in-depth fix to allow for the Telnet client and server to opt in to extended protection.
By default, this functionality is disabled. Please review this security update and the following security advisory closely which describe Extended Protection in more detail to make sure that you know the affect of these changes:.
How do I enable Extended Protection on my computer? Before you enable Extended Protection, make sure that the following update is installed on both the client and server computers:. Note The client-side setting that enables Extended Protection is a system-wide setting.
When this setting is enabled, Extended Protection is enabled for all components on the client computer. On a server, Extended Protection has to be enabled for each component individually. Make sure that all client components for a particular server are updated for Extended Protection before you enable it on server or else authentication failures may occur.
After both security updates are installed, you will then have to enable Extended Protection on both client and server computers. To enable Extended Protection on your computer, the following changes are required. Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it.
Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:. Verify that the registry values SuppressExtendedProtection and LmCompatibilityLevel are located in the following registry subkey:.
On the Edit menu, click Modify. Please review the following article in the Microsoft Knowledge Base to make sure you are familiar with this behavior. On a Telnet server: Before you make the following changes, refer to the following MSDN article before setting any hardening modes:. Verify that the registry value ExtendedProtection is located in the following registry subkey:.
Set the registry value by using one of the following values, based on your Telnet requirements, and then click OK :. I don't even remember if I've ever tried to set up telnet on Windows anything server or workstation, although it's a cinch to set up in Linux and SSH is just as easy. My goal is to turn off the computer on the other side of the room without getting up from the bed, so I can stick this laptop on the nightstand and go to sleep with as little fuss as possible.
This thread is locked. You can follow the question or vote as helpful, but you cannot reply to this thread. I have the same question 0.
Report abuse. Details required :. To finish press ok button and close Services window. Type regedit and press Enter. This method shows you how to change Startup type of Telnet service from Registry Editor. Please perform the following steps:. Please go to Start and choose Run This method shows you how to prevent Telnet service from starting with the operating system using System Configuration msconfig.
Write msconfig and press Enter.
0コメント