Network Tutorial

Introduction The 3 major anonymity networks on the Internet are Tor/Onionland, I2P and Freenet. If you feel confused on which one is the "best" one to use the answer is simple. Use all three! Each anonymity network is designed for a different specific purpose. One network al ...more

Sharing your Wi-Fi password is like giving an unlimited pass to snoop around your network, allowing direct access even to LAN-connected devices like printers, routers, and security cameras. Most networks allow users to scan and attempt to log in to these connected devices. And ...more

Welcome back, my fledgling hackers! One of the first issues any hacker has to address is reconnaissance. Before we even begin to hack, we need to know quite a bit about the target systems. We should know their IP address, what ports are open, what services are running, and wh ...more

Welcome back, my fledgling hackers! Nearly every commercial enterprise worth hacking has an intrusion detection system (IDS). These network intrusion detection systems are designed to detect any malicious activity on the network. That means you! As the name implies, a networ ...more

Google recently released a new mesh router known as Nest Wifi. The updated and rebranded Google Wifi brought many improvements, such as faster processing power and an increased level of wireless security called WPA3. But while it's not enabled by default, you can still get the ...more

Sometimes you need a password to gain access to an older running Windows system. Maybe it's a machine in your basement you forgot about or a locked machine that belonged to a disgruntled employee. Maybe you just want to try out your pentesting skills. When you need to access ...more

What if you could easily visualize which access point every Wi-Fi device nearby is connected to in a matter of seconds? While programs like Airodump-ng can intercept this wireless information, making it easy for hackers to use and understand is another challenge. Fortunately, ...more

After installing Ubuntu as your primary OS, you should have protected against USB Rubber Ducky payloads, defended against hard drive forensics, and reduced the overall attack surface against physical strikes. When defending against network-based attacks, you'll want to minimiz ...more

For years, Android has provided easy ways to view all the Wi-Fi networks you connected to in the past, and you can even see the saved passwords in plain text. With iOS 16, Apple finally gave us a similar way to view saved Wi-Fi hotspots, copy their passwords, and remove old on ...more

If you're just starting out with Android—or smartphones in general, for that matter—there are a lot of little things to learn. One of the first terms you'll likely encounter is "Wi-Fi," which is a wireless internet connection served up by a router in your home, office, or loca ...more

SSH is a powerful tool with more uses than simply logging into a server. This protocol, which stands for Secure Shell, provides X11 forwarding, port forwarding, secure file transfer, and more. Using SSH port forwarding on a compromised host with access to a restricted network ...more

If you've wanted to get into Wi-Fi hacking, you might have noticed that it can be pretty challenging to find a safe and legal target to hack. But you can easily create your own test network using a single ESP8266-based microcontroller like the D1 Mini. Our goal is to crack a ...more

Greetings dear null byters, today we start a new series, we will start to attack users using social networking that are popular such as Facebook, Skype, and much more, and in part 1 of the series will engage users of Skype. What we are going to do today? 1 - get the IP from h ...more

For the most part, Google Wifi and Nest Wifi systems take care of themselves. But there are still a few manual features that might come in handy, like being able to check on network activity to see which devices are using the most bandwidth when your connection gets bogged dow ...more

You may not know it, but the IPv4 address of your computer contains tons of useful information about whatever Wi-Fi network you're on. By knowing what your IPv4 address and subnet mask are telling you, you can easily scan the whole network range, locate the router, and discove ...more

Excited about experiencing blazing-fast 5G speeds on your iPhone 12, 12 mini, 12 Pro, or 12 Pro Max? Well, that brand new iPhone you just bought might not actually be using 5G, even when you see that 5G symbol in the top right. Unless you follow these instructions, your iPhone ...more

Hello there learners and readers! I figured I'd show you guys my problem and how I solved it, hoping that it would help people who are facing the same issue. Today, we'll be talking about the solution of read failed: Network is down ioctl(SIOCSIFFLAGS) failed: Operation not ...more

While our time with the Protostar VM from Exploit Exercises was lovely, we must move on to bigger things and harder challenges. Exploit Exercises' Fusion VM offers some more challenging binary exploitation levels for us to tackle. The biggest change is that these levels are al ...more

Monitoring your Mac with widgets can be the first step in identifying bandwidth issues, but finding the root of the problem can be a completely different story. Usually you will have to open up Activity Monitor in Mac OS X to look for apps hogging your bandwidth, but with Load ...more

Recently, there have been some questions regarding networking popping up and we have decided to put together this series to try and cover this gap. In this guide, we will cover the basics of IP addresses, both internal and external, and begin to have a a look at how this wond ...more

With a cheap computer, smaller than the Raspberry Pi, an attacker can create a remote hacking device. The device can be attached to a target router without anyone's knowledge and enable the hacker to perform a variety of network-based attacks from anywhere in the world. As th ...more

Apple's Find My app just got way more useful. While it's great for locating a lost or stolen iPad, iPhone, iPod Touch, Apple Watch, Mac, and AirPods, as well as anything attached to an AirTag tracker, it's even better now that it works with third-party accessories and gear. I ...more

+Nik Cubrilovic discovered last week that Facebook could track your web activities even after you logged out of your Facebook account. After some blatant denials from Facebook spokespeople, Facebook decided to fix the logout issue, but not before +Michael Arrington, on his new ...more

Hello everyone! I hope you are having a great day so far. Today, instead of caring about networks we are going to talk about subnetting based on host requirements as promised in my first article about subnetting. Just like in the previous articles we will jump right into the e ...more

One thing I absolutely cannot stand is lag when I'm gaming. Every time I'm about to beat my killstreak record on Call of Duty, my internet connection drops and I'm a goner. It never fails. This usually happens because someone else on my Wi-Fi is streaming a movie or downloadin ...more

This infographic from SingleGrain aptly and succinctly describes the primary differences between Facebook and Google+. Which social network will reign supreme? There are some great stats here. Facebook started out as an exclusive social network at elite universities, so it wo ...more

A remote administration tool, or RAT, is a piece of software used for remotely controlling machines. They are commonly used by tech support to gain remote access for troubleshooting purposes, but RATs are also an important part of a hacker's advanced persistent threat (APT) to ...more

Wireless networks. Nowadays, everyone uses 'em, but most don't secure 'em. On average, I can drive up and down any block in my city and find at least one or two open or semi-open networks on any given day. With some changed MAC addresses for good measure, an attacker can use y ...more

One of the main goals of Google Wifi (and Nest Wifi after it) is to make managing your internet connections as simple as possible. A great example of this is how easy it is to prioritize one device and allot it more bandwidth when your network is bogged down with other traffic ...more

In my previous article, I discussed installing and configuring OpenVAS on Kali Linux. Now it's time to start using OpenVAS with the Greenbone Security Assistant to audit networks for security issues. This can be extremely helpful when you are looking for vulnerabilities or mis ...more

We all know the dangers of logging on to our personal accounts on public networks, but we pretty much all do it anyway—especially when it comes to Facebook. But the next time you're in a public place and can't wait to check out your Facebook news feed, use this simple trick to ...more

You might notice that there's been a few changes around here. All of us here at WonderHowTo have been working hard to create fun new spaces and topic areas to dig our heels into. We've created a few brand new websites, spiffied up our design, and today we're launching the Won ...more

ProtonMail has long been the favorite of journalists and security-conscious professionals, with Edward Snowden the most famous example. But these days, everyone cares about anonymity, so it's no surprise that ProtonMail currently has over 2 million users. And now the service i ...more

Hi there, nullbytes! I've been recently using NullByte as my only source of learning (almost) and it has proven to be really good to me. I've compiled some of the articles about networking, and ordered them in a way that made sense to me, and I thought about sharing the list ...more

Last month, it was revealed that Juniper Networks' routers/firewalls were hacked. It was reported that a backdoor was implanted in the operating system of their routers/firewalls and that attackers could listen in on all encrypted communication. There are now fears that all co ...more

"What's your Wi-Fi password?" That's usually the first thing guests ask for when you have them over. You tell them the network name, then try to explain your complicated hacker-resistant password, which becomes a whole ordeal. But there's a better way to do it, which doesn't r ...more

It's called a Quick Response code, but most know it simply as QR code, a matrix barcode dedicated to the world of smartphones. The information contained within the square black modules could be text, a URL, vCard, or some other kind of data. And even though mobile tagging has ...more

Google recently unveiled the start of their new social network Google+, which is set to compete with Facebook and fix the awkward, broken aspects on online sharing they claim exist. It's currently only open to a limited number of Googlers during its "field trial," and if you w ...more

When this problem occurs most Windows users feel desperate because it can happen' at any point, every 10 seconds, minutes, hours - you name it and they don't know how to solve it. With the help of this video you can solve the problem Step 1: Video: .