The DNS protocol has been around for decades and is a stable and reliable protocol. Even so, DNS does occasionally have problems. PING is a great tool for DNS server diagnosis, and I tend to use it quite frequently myself. However, sometimes PING just doesn’t give you enough information about the problem at hand. When you need more information about a DNS problem than what PING provides you with, you can always turn to the NSLOOKUP command. In this article, I will show you how to use NSLOOKUP.
The Internet is composed of all kinds of packets containing various types of traffic. One of the most used application layer protocols is HTTP. We will take a look at what really happens during an HTTP transaction, and thereby gain a deeper understanding of what this protocol is about.
When you are going to install Active Directory in an organization, it’s always wise to consider the base operating system install and to verify that a few important configurations are done in advance. One of the most important being the planning of the local server file system. Although commonly not overlooked, it is not commonly understood why it’s so important to plan for it. In this article we will cover how to verify your file system configuration and what to do if you need to convert the file system for the Active Directory installation.
Everyone knows that one of the most important principles of network security is least privilege: grant ordinary users only those rights and permissions they need to get their work done and no more. For example, if ordinary users don’t need access to sensitive data stored in the Accounting share, don’t give them any permissions on that share, either through shared folder permissions on the share itself or NTFS permissions on the folder underlying the share.
Earlier this month, I got my copy of Longhorn Vista, Beta 1, the eventual successor to Windows XP. Although the new operating system does have a few kinks that need to be worked out, it does look promising. In this article, I will share with you some of my first impressions of Longhorn Vista Beta 1.