BIND DNS Server Configuration on CentOS/Redhat 7(Caching Server)

BIND DNS is open source widely using DNS in the world. DNS (domain name system) converts machine name or url to the IP addresses and IP addresses to it's machine name or url.  Caching Server The Caching-only DNS server does not contain zone information or a zone database file. The Caching-only server only contains information based on the results of queries that it has already performed. In this case, the cache takes the place of the zone database file. These Caching-only DNS Servers can be set up quickly, and are an important ally in your network and Internet security design. All DNS servers have a cache.dns file that contains the IP addresses of all Internet root servers....

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ASA Active/Standby Failover Configuration

The fail-over configuration requires two identical security appliances connected to each other through a dedicated fail-over link and, optionally, a state full fail-over link. The health of the active interfaces...

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standby

Network and Service Object/Object Groups in ASA

 Network objects or object groups and service object or object groups are used for maintain and manage IPs and services more meaningful and easy way. Object can hold only one information related to ip or service and object group can hold many. Network Objects 1. Create object with a meaningful object name using “object network” command. OBJ1 is given as       object name in given examples.     hostname(config)# object network OBJ1 2. Give a meaningful description about the object. (optional)     hostname (config-network-object)# description Engineering Network 3. Set ip details as required. Ip details can configure in four ways  ...

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service object

Five Active Directory policies you should know

How to create a group policy? 1. Go to "Server Manager" --> "Tools" --> "Group Policy Management" 2. Right click on Group Policy Object (GPO) and create a new GPO.  3. Right click on your newly created...

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windows

Primary, Extended and Logical Partitions in RedHat/CentOS 7

Primary Partition A primary partition is in which an Operating System can be installed. One MBR hard disk may contain a maximum of 4 primary partitions. An active partition is based on primary partition. Any one of the 4 primary partitions...

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