Explore information related to active directory

Add domain in PRTG

This article will guide you on how to add a #domain in the #PRTG #monitoring system.

PRTG is a network monitoring system to monitor a #website.

If you are working in more complex environments or those with a desire to reduce the number of authentication mechanisms on their networks, PRTG includes the option to easily integrate with Active Directory (AD).

1. PRTG additionally adds the probe device to the local probe. This is an internal system device with several sensors. It has access to the probe system and monitors the system's health parameters. 

2. PRTG automatically analyzes the devices that you add and recommends appropriate #sensors on the device's Overview tab.

Read More



Backup Active Directory Domain Controller

This article will guide you on how to #backup #active #directory domain controller.
A System State backup generally includes a copy of any installed device #drivers and related files, most of the Windows directory, the #Windows #Registry, the Active Directory configuration (where applicable) and system files under Windows File Protection.
In production it is best practice to have at least 2 domain controllers per domain. If you factor in each child domain and the other domains that could easily scale up fast if you have two in each one.
To Configure Windows Backup Users on a Domain Controller:
1. Expand Active Directory "Users > Computers > Users".
2. Right-click the appropriate user who will be performing backups and click Properties.
3. On the Member Of tab, click Add to add the Backup Operators group to the User.
4. Click OK.

Read More



Find the Source of Account Lockouts in Active Directory


This article will guide you on steps to find the source of Account Lockouts in the Active Directory #domain.

The most common underlying cause for #AD account lockouts, beyond users forgetting their password, is a running application or background service on a device that is authenticating with stale credentials. 

To Track Source of Account Lockouts in #Active #Directory:

1. Search for the #DC (Domain Controller) having the PDC Emulator Role. 

2. Look for the Event ID 4740. 

3. Put Appropriate Filters in Place. 

4. Find Out the Locked Out Account Event Whose Information is Require. 

5. Open the #Event Report, to Find the Source of the Locked Out account.

Read More



ElasticSearch LDAP Authentication on the Active Directory

This article will guide you on how to authenticate #ElasticSearch users using the Active Directory from #Microsoft #Windows and the #LDAP protocol.

#Active #Directory (#AD) supports both Kerberos and LDAP – Microsoft AD is by far the most common directory services system in use today.

To Set up Active Directory Authentication using LDAP:

1. Enter the LDAP "Server" and "Port" attributes on the Server Overview tab of the LDAP Users page. 

2. Enter the proper base for the Active Directory in the "Base DN" attribute. 

3. Set the Search Scope. 

4. Enter the Username Attribute. 

5. Enter the Search Filter. 

6. Verify that the #settings are correct by clicking the Verify button.

Read More



Restore Active Directory from backup

This article will guide you on how to restore active directory from backup. Back up Active Directory on a regular basis

You should back up your Active Directory regularly with an interval that doesn't exceed 60 days. #AD services presume that the age of the Active #Directory backup cannot be more than the lifetime of AD tombstone objects, which by default is 60 days.

Read More



Zabbix Single Sign-On SSO Authentication in Active Directory

This article will guide you on how to set #Zabbix : Single Sign-On (#SSO) Authentication in #Active Directory which helps users authenticate the Zabbix frontpage without entering credentials.
Users and resources are added to the directory service for central management and ADDS works with authentication protocols like #NTLM and #Kerberos. Thus, users that belong to ADDS can authenticate from their #machines and get access to others #systems that integrate with ADDS. This is a form of Single Sign-on.

Read More



Nagios Authentication and Importing Users with AD and LDAP

This article will guide you on how to integrate #Nagios Log Server with Active Directory or #LDAP to allow user authentication and validation with the Nagios Log Server interface.
Currently by default LDAP traffic (without SSL/TLS) is unsigned and unencrypted making it vulnerable to man-in-the-middle attacks and eavesdropping. After the patch or the windows update would be applied, LDAPS must be enabled with Active Directory.
To Set up Active Directory Authentication using LDAP:
1. Enter the LDAP "Server" and "Port" attributes on the Server Overview tab of the LDAP Users page.
2. Enter the proper base for the Active Directory in the "Base DN" attribute.
3. Set the Search Scope.
4. Enter the Username Attribute.
5. Enter the Search Filter.
6. Verify that the settings are correct by clicking the Verify button.

Read More



Steps to Setup Ansible AWS Dynamic Inventory

This article will guide you on how to use #AWS resources using Ansible with the help of Dynamic Inventory.

The #Ansible #inventory file defines the #hosts and groups of hosts upon which #commands, #modules, and tasks in a playbook operate. The file can be in one of many formats depending on your Ansible #environment and plugins.

Ansible will use it as an inventory source as long as it returns a #JSON structure like the one above when the script is called with the --list .

Read More



Clean up Domain Controller DNS Records with Powershell

This article will guide you on the process to clean up Stale/Dead #DC DNS records with the help of #PowerShell. You can see that it is easy to clean up domain controller records with the help of this method using few Windows PowerShell #commands.

To remove old DNS records from a domain controller, simply Remove #DNS Entries by:

1. Right click a #Zone in DNS console and go to properties, Under Name server tab delete the entries that are related to decommissioned DC.

2. Open DNS Console and Remove the IP of the decommissioned DC that might be present on the #network #adapter.

Read More



How to restore Deleted Active Directory Objects and Users

This article will put you through the steps to restore Deleted Active Directory Objects/Users. You can also right click on any unwanted change or object deletion in #Active #Directory and click “Rollback Change” to restore the change with a single-click.

Active Directory #Recycle Bin feature preserves all link valued and non link valued attributes. This means that a restored object will retain all it's settings when restored. By default, a deleted object can be restored within 180 days.

Read More



Install Squid Proxy on CentOS 7

This guide will show you the steps to install squid on Centos 7 as well as configure the port and adjusting the access control list.

Read More



DHCP server installation on windows server 2019

Are you trying to install DHCP server on Windows server 2019? Here is a step by step guide to do it.

Read More



How to use ADUC MMC to process queries in Active Directory user and Computers

This article describes how to use saved queries in relation to Active Directory Users and Computers (ADUC) which is a MMC snap-in for managing Active Directory.

Read More