SONABY-TECH

     The Records or Information held by Primary zone, Secondary zone and Stub zone are of various types. Some of the commonly-used record types are : Alias (CNAME) :     Refers to domain name aliases, that is , creating an alternate record or DNS name for the name already specified as another type in a particular zone. It is normally found with computers on the Internet perform multiple tasks, such as Web server and Chat server. Under such a situation, the CNAME records may be used to specify multiple names to a single computer. Host (A or AAAA records) :     Resolves an IP address to a device. The host records are essential only for the computers sharing resources on network. A records are used for IPv4 and AAAA records are used for IPv6. Mail Exchange (MX) :     Identifies mail server and routes the email messages to the specific domain. for .Example,while sending an email to abc@@sonaby.com, your mail server first looks the MX record for sonaby.com to locate the mail

pfsense is a free, open source customized distribution of FreeBSD, as a software firewall it is powerful and flexible.the current version pfsense 2.0 includes most all the features in expensive commercial firewalls, and more in many cases. The following is a list of pfsense 2.0 features. The main advantage of pfsense is we do not need to touch anything at the command line.  -Firewall - NAT (Network Address Translation) - State Table - Redundancy - Load Balancing - VPN (Virtual Private Network) - Reporting and Monitoring RRD Graphs - Real Time Info - Dynamic DNS And more....

Server 2008 Features :  Virtualization Server core IIS Role Based Installation Read Only Domain Controller - RODC Enhanced Terminal Services Network Access Protection Bit locker Windows Power Shell Better Security Cache / Proxy Management Server core Installation Server 2012 Features : IIS 8 Power shell 3.0 Direct access Cluster Shared Volumes De-duplication Hyper-V 3.0 Hyper-V Replica iSCSI NFS 4.1 SMB 3.0

Once you install the AD DS role , the files required to perform the role are installed on the server .However, in this case, the server is still not promoted to a DC, You must therefore promote the server to act as a DC by launching the Active Directory Domain Services Installed Wizard by using the dcpromo.exe command. Lets perform the following steps to promote the server to a DC and create a abc.com forest : 1. Click Start --> Run . The Run dialog box opens. 2. Type the dcpromo.exe command in the run dialog box and click the OK button.    - The Active directory Domain Services binaries start installing -  The Welcome to the Active Directory Domain Services Installation Wizard page of Active Directory Domain Services Installation Wizard appears. 3. Click the Next button.    - The Operating System Compatibility page appears. 4. Click the Next button.    - Then Choose a Deployment Configuration page appears. - 5. Select the Create Domain in a new forest radio button and click the

Active Directory Domain Services (AD DS) is a directory service from Microsoft that stores information about different network objects , such as printers ,databases and users at a centralized location and makes this information available to all the users of the network. For example :  AD DS stores data related to different user accounts , such as ids , passwords and email ids at a central location and provides secure access of these information to the authorized users. I am going to give a brief introduction to various elements of AD, such as domain controller - DC , domain , tree ,forest , trust relationship ,organizational unit - OU and site that collectively form an AD infrastructure. it also explores the forest and domain functional levels. Lets begin with a brief of the AD infrastructure. Exploring Active Directory Domain Services Some benefits of AD DS are as follows: - It follows a hierarchical organizational structure - It provides fault tolerance , which mea