Category: Windows

PowerShell Legacy Versions: How to Check Connection of Servers on Certain Ports?

A more updated version is available here. function Check-NetConnection($server, $port) { $session = New-Object System.Net.Sockets.TcpClient;…

Wireshark Overview

SysAdmins, InfoSec, and Network Engineers often use this tool to troubleshot and detect network activities…

IP Helper Address

What is it and how to use it? When the DHCP Server is placed on…

How to Use QRadar to Search for a Windows Account Activities

Log into https://qradar/console/qradar/jsp/QRadar.jsp Log Activity > Add Filter > Parameter=Username[Indexed] | Operator=Equals any of |…

Common Windows Maintenance using PowerShell

# Install Windows Features:Install-WindowsFeature SNMP-Service -IncludeManagementToolsInstall-WindowsFeature -name Telnet-Client Install-Module Posh-SSH -Force# Disable Service:sc config "SERVICE_NAME"…

Applying Windows Patches

#Example: Disabling Remote Code Execution(new-object System.Net.WebClient).DownloadFile('https://download.microsoft.com/download/1/6/5/165255E7-1014-4D0A-B094-B6A430A6BFFC/vcredist_x64.exe','C:\temp\vcredist_x64.exe')c\:temp\vcredist_x64.exe /quiet /norestart #Example: Download updates using BITS (cannot invoke…

How to Enter the Bios on Intel NUC Portable PCs?

Normally, the F2 key upon restarting should direct the boot flow to the Visual Bios,…

Exchange 2010: How to Increase Mailbox Quota for Individual Users

Exchange Management Console > Recipient Configuration > Right-click on Mailbox > Find Input the username…

How to Check NTFS Effective Permission Access of a User

Right-click on the Folder > Properties > Security tab > Advanced > Effective Access tab…

Sample Multi-Site Metadata

SimpleSAML PHP module requires that each site to be configured with a $metadata entry. Below…

Overview: ReadOnly Domain Controllers (RODC)

Starting with Windows 2008, Microsoft has created a feature called Password Replication Policy (PRP). It…

Audit Logon Successes & Failures on All Domain Controllers

Issue: In a realistic situation, InfoSec would notify DBAdmins and SysAdmins of failed logon alerts…

PortQuery GUI Version

It's always a good idea to verify that there's nothing on the network and application…

Hacking 101: Domain Controllers as One of the Many Usual Targets

A potential bad actor's full network penetration repertoire is beyond the scope of this article.…

Print Server Admin Tasks – 2006 Notes

How to resolve an issue with a print job that freezes upon "cancel" Preliminary: the…

PC / Laptop Setup Steps

Baseline Machine1. Hard drive partitionsa. Operating System shall be installed on C:\WINDOWSb. Applications shall be…

Outlook Secure RPC Over HTTP

OUTLOOK PASSWORD ONLY SETUP AKA – RPC over HTTP SYSTEM – full encryption Receive email…

Windows XP – Joining Domain

START > CONTROL PANEL > NETWORK AND INTERNET CONNECTIONS CREATE A CONNECITON TO THE NETWORK…

How to turn on automatic logon in Windows XP that is joined to a domain

Start - Run - regedit - [enter] Locate the following registry key: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\WindowsNT\CurrentVersion\Winlogon Double-click DefaultUserName,…

Forth Shift Administrative Procedures – Daily and Monthly

Introduction: There are batch scripts that are scheduled to run on a daily basis. In…