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web site. The challenges are designed for individuals to do on their own to build up their PowerShell scripting skills. A few weeks ago, a challenge was posted to create a network monitoring tool using PowerShell and the Write-Progress cmdlet. I thought I'd share my notes on the challenge and some of the code I came up with.

using PowerShell and the PSTcpIp module.

Managed DNS services. This has caused us to look for a different solution. Of course, I immediately thought of Azure, with an Azure DNS hosted zone.

inside networks managed by a Windows DHCP server. The process is pr etty straight forward - Add a vendor class, add the option, and set it to the correct IP address. Unfortunately, that of course means a lot of clicking in the DHCP console on each Windows Server he manages....

templates (WIP). It has capabilities to insert appropriate Azure Icons depending upon the type of the Azure Resource you have in your Resource Group, like Virtual Machine, Virtual Network, Subnet etc.

and what we'll cover. It can do POST requests, handle pagination, handle multipart/form-data, and it can pass in multiple headers if required. Don't forget about authentication and credentials; it can handle those, as well.

on a remote computer. You can use this cmdlet to check the response and...

IP-Adresses to hosts. In this article I will show you how to configure a DHCP Server with a [...]

"Remote Desktop"

(VM) toContinue Reading

uses password authenticationContinue Reading

give you a good insight into traffic from the systems to the local network or internet. You can do this with DNS auditing on your Windows server or in your local Pihole server, but that's not always available

tested. In this case, the new servers were not deployed in that specific network yet. But... We did want to test the connections before deploying the servers 🙂 In this blog post, I will show you a way how to create listening ports on a machine in order to test the connection from another network using netcat on Linux or portqry on Windows.

been around mostly in the Linux world for many years but more recently in Windows 10. But the scripting language PowerShell can accomplish similar tasks that curl can. Is PowerShell a good alternative to curl? What are the differences? Let's find out!

Wireless (WiFi) and/or VPN. This was a decent sized environment, about 50K clients, with hardware models from both HP, Dell, and Lenovo. The existing code I had did not work across all the hardware, so I reached out to the ConfigMgr community, and got some great tips...

monitor the utilization of DHCP scopes. While Microsoft provides System Center Operations Manager and necessary management packs to monitor all aspects of DHCP servers including monitoring of DHCP scopes, the System Center suite is very expensive and it requires a considerable amount of time to implement all of its components just to enable monitoring of a few servers. In this article, we learn how we can use simple PowerShell commands and a PowerShell script to check the utilization of DHCP scopes on multiple DHCP servers.

endpoints. You'll learn how to record those results into a SQLite database with a just few commands, and no need to create any underlying infrastructure. Finally, you'll see how you can view the data in PowerShell to help identify where and when you are experiencing network latency issues.

access tools that are installed on a computer, and list the possible access URLs; that way he could easily document which access methods are open and audit them once in a while to see if he...

specified target (website or IP address) and providing real-time updates on successful responses and timeouts.

include in $PROFILE

PowerShell. This report will give you one location to see all of your DHCP scope statistics across all of your Windows DHCP servers. It will dynamically pull the DHCP servers and associated DHCP scopes within your Active Directory domain. This report will help you keep an eye on the usage of all of your DHCP scopes so you can prevent scopes from filling up. With this PowerShell script there is no need to import a list of DHCP servers or hard code them in a variable. I recommend setting this up as a recurring scheduled task so that the report runs without the need for manual intervention.

what destination for Microsoft services like Exchange Online, Teams, Endpoint Manager, and so on. Microsoft publishes this on their website but in the blog post, I would like to show you a nice way of outputting

most basic tasks you're expected to do as an administrator. This guide will teach you how to use PowerShell to get and set the IP address.

method that doesn't mean I have to open up a web browser and visit a website, I wrote a small Powershell module to allow me to get the information.

closely simulate a .Net client application. It also provides easy access to the Windows Certificate store for client certificate authentication.

you have a new server on which you want to deploy DHCP, just run the PowerShell command:

this script should be an example of how you can build a function for each REST API. Nowadays there are more and more Rest APIs that we can use instead of Cmdlets (which use the Rest API in ... Continue reading How to manage most Rest APIs with just a few PowerShell functions

to organizational networks. Singular purpose devices made available through the Internet of Things (IoT) offering has increased network complexity even further with the ease of adding said devices to the network and sometimes without the knowledge of a system administrator. Hence the following received question: "How do I ensure all the appropriate ports are closed with all these devices being added to my network?"

this is the case also for all wireless networks with (SSID and Passphrase) that our OS stores and use to connect automatically.

In this tutorial, you will learn how to work with files remotely via SFTP and dig into some of the different PowerShell SFTP modules you can use.

that you need to manually create, edit, or remove various types of DNS records. Or to even add various DNS tasks to automation scripts. It is at times like this that using PowerShell for DNS records is the way to go.

non-standard xml. So that part is messy to say the least.

Variable-Length Subnet Masking (VLSM) consists of segregating subnets into smaller segments, allowing network engineers to divide an IP address space into a hierarchy of subnets of different sizes, making it possible to create very different host subnets without account. waste a large number of addresses. This in turn can be a pretty annoying task, especially when it needs to be done several times, so I decided to do a powershell module to just tell you how many hosts I need in a given segment and it will tell me what the addressing is.

for SSH authentication.

interact with Email.

started popping up. Errors that didn't really point to a security problem.

Effective lease and reservation management is crucial for maintaining a smooth-running network, preventing IP address conflicts, and ensuring that critical devices always receive the same IP address.

Firewall with Advanced Security from the PowerShell command line. We'll look at how to...

course. I would like to share it here.

would like to share this script here on my website.

and/or your team know PowerShell and, perhaps, already have some PowerShell scripts to manage web services, using PowerShell to monitor uptime may be a good option.

times for my network.

all the moving parts of our systems and applications and create a big picture of the health of the whole environment. Before going down the rabbit hole of complicated monitoring tools and techniques let's start with define a that monitoring can be subjective and on a case-by-case can be very basic or detailed and can let you choose a specific tool or strategy. There is no one-size-fits-all. This week I needed to implement a custom check to monitor the network load/usage on any Windows OS and instead of looking for a third-party tool and deploying maybe another agent on servers I wrote a Powershell script to perform this activity.

clients don't notice downtime when a failover or load balancing action occurs. It makes everything smooth and fluent for clients and users of our systems. The only problem with this is that sometimes a failover occurs and you don't notice. Great for users, not so great for administrators; if a server crashes in the woods, did it really crash at all? To make sure we always get notified about these situations we use the following script via our RMM system.

?? This time we're tackling three issues in one; We're going to monitor traffic usage to see if a connection isn't saturated. We're also going to check if the NIC speed is correct and we're going to check if the connection is metered and if it is alert on it.

demonstrated during the conference. The presenters showed a method of checking if your O365 domain was being Typosquated. The tool can be found here. The presenters made a Python tool, and I figured to create an alternative in PowerShell.

macOS, Linux, and Windows.

an eye on your network and send you an email when a new host is discovered. NetNeighbor Watch is done completely in PowerShell. The results are very similar to those of arpwatch. NetNeighbor Watch is for anyone that wants more visibility into the wireless or wired devices on their network. We will also setup a weekly email report with all of the known hosts on your network. In this post, I will walk you through the entire process of setting this up from scratch on a Raspberry Pi, lets get started!

iPerf with the help of PowerShell.

different places that this damn protocol needs to be killed depending on the OS. It's still a work in progress (needs testing and error handling) but in case it's useful feel free to use it

effortlessly. A comprehensive guide for efficient network management.

can create such a QR code with PowerShell without any 3rd party tools? No? [.]

on Windows machines. The script overcomes the issue of localization that arises when parsing the output of the 'netsh.exe' command.

show you a few examples of how you can ping multiple computers.

Ping, Hostsentries, NICs.. Every test returns a PSCustomObject instead of a Strings.

to them in real time. That means you can decide what request data to explore and what response data to send on the fly!

understand exactly what you have configured. Therefore, Sean McAvinue has created a PowerShell Script to control and report External Domains.

multiple platforms, including Windows. However, there is an alternative, the PowerShell Resolve-DnsName cmdlet, which can also check proprietary Microsoft protocols for name resolution, such as NetBIOS or LLMNR.

public-submitted issue for PoShDynDnsApi.

Microsoft (Or other) management addresses. In this blog post, I will show how you can live-track blocked DNS queries and get some insights while troubleshooting 🙂

because of that I use mxtoolbox.com a lot for querying of MX, SPF, DMARC and DKIM records. Wouldn't it be convenient to get a simple overview of those records in a PowerShell function? This blogpost will show you how

simple web server on Windows. To avoid a full-featured IIS installation,...

Assuming file not modified since download, here's PowerShell to do it

TeamViewer client.

IP-Addresses. Nice to know those in secure environments where not everything is allowed to go onto the internet, but how can you test if they are accessible? This blog post will show how to test most of these services using PowerShell.

generally down for everyone else, too. PowerShell can ask a web service to check web site availability for you. Here is a simple wrapper function.

PortQRY.exe

running: Set-TlsConfiguration -EnableSecure -DisableInsecure Fortunately it IS that simple with the new PowerShell module TlsConfig

security, and token handling. Learn how to build a secure auth flow from scratch and why the SDK might still be the best choice for automation.

come from and if they are internal or external, PowerShell developers can use online web-based geolocation services. It's important not to overuse the services because you could be throttled.

slots managed by the Ubiquiti UISP software running on my VPS in Docker. In this blog post, I will show you a few examples of how to query it using PowerShell.

always need just one more to troubleshoot the problem. 😉 In this blog post, I will show you how the built-in Get-NetView module can help you collect all the necessary logs and information.

content associated with the wave of everything AI that we are currently in.