Because of this reality, it is important for torrent file sharers to find ways to protect themselves from litigation, prosecution, bandwidth shaping, and malware. The following tips should help you make your torrent experience safer, private, and more secure.

Disclaimer: Downloading copyrighted media without the owner’s permission is illegal is some countries. Under no circumstances is this article intended to encourage illegal activity, and there are no guarantees that this information will protect you from any legal action.

1. Port Forwarding

Every modern router has some form of port forwarding that you can use for your bittorrent client. With it, you can circumvent ISPs that may block common torrent ports or limit their bandwidth usage. Using port forwarding, you could, for example, forward your BitTorrent traffic through the standard web port (80). Some torrent clients also support randomizing of ports so that they will use a different one every time you start them.

2. Limit Downloads and Uploads

Since many ISPs now limit the amount of bandwidth you can consume within a month (or even at certain times of the day), it is important to not let your torrent downloading and uploading go unchecked. Torrent clients like qBittorrent have features that allow you to limit the number, speed, and even time of day that downloads are allowed.

3. Encryption

Encryption is all about privacy. There is no reason for anyone, even your ISP to know exactly what sites you are visiting or what files you are downloading. Most torrent clients support some type of encryption for the data and/or header information. It is important to note that encryption will not mask your IP address, so anyone spying on the torrent (i.e. actively connected to the tracker) will still know you are downloading it, but anyone trying to spy on your Internet traffic in general will not be able to see what you are doing.

4. Filter Lists

There are plenty of organizations that are known for their snooping or malicious intent. With an IP filter list, you can completely block them from connecting to you as peers, thereby eliminating any chance of them monitoring you and catching you in the act of downloading something. This may also help reduce the chance that you will connect to a peer that sends out harmful data or malware.

5. Proxy or VPN

Of all of the security measures on the list, this is by far the most effective. By routing your torrent traffic through a proxy or VPN, you can completely hide yourself from the outside world. Used in combination with the other tools on this list, your torrent downloading will be virtually covert. Proxy providers usually charge a subscription fee, and they will require you to either download a specially configured bittorrent client or reconfigure yours to use their proxy (often utilizing a SOCKS5 protocol).

Your privacy, however, is only as secure as the company offering the service. If they are under investigation or are willing to sell your information, using their services may not help you at all. Therefore, it is a good idea to ask around and do your research before using a proxy or VPN service.

Privacy and Security

The media often associates BitTorrent with illegal file sharing, but there are numerous legitimate organizations, from Linux distribution developers to content delivery networks (CDN), that make use of bittorrent technology. Furthermore, many free media distributors who use open licenses, such as Creative Commons, use bittorrent to help reduce their bandwidth costs.

With a little effort, you can use the above-mentioned tools to help you take back your right to download and share legitimate content and software, while also maintaining your privacy and security.

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Fortunately, iPhone comes with an Internet tethering feature. It converts your device into a modem and shares your Internet connection with your other devices. The bad news is, not all carriers offer tethering option which is a good reason why you should jailbreak your iPhone to be able to share your connection.

I have used two apps which can turn your iPhone into a WiFi hotspot. To cut the story short, here they are:

TetherMe Installation

Sbingner and Cirdan developed this app which supports jailbroken iPhones only. It has been tested to work efficiently with iPhones running iOS 3.0 to 4.0.1. I was wondering if this app will also work with iOS 4.1, so I tried to search for reviews of TetherMe but I never found a clue. The good thing is, TetherMe is worth $1.99 only so everybody can afford it.

To install TetherMe to your iPhone, you just have to:

1. Launch Cydia and query “TetherMe.”

2. Purchase the App for $1.99 and install.

3. You have to reboot your iPhone after the installation to set TetherMe into effect.

4. Navigate through Settings -> General -> Network and set Internet Tethering to “On” to enjoy its function.

TetherMe works perfectly on iPhone 4 running iOS 4.1 jailbroken using Limera1n.

MyWi Installation

If TetherMe turns your iPhone into a modem, MyWi will turn it into a router allowing other devices to connect to the Internet simultaneously. Since it is also a Cydia app, only jailbroken iPhones would be able to enjoy its features. Moreover, it is stable and has been tested to work perfectly on iPhones running iOS 3.0 and up. Well, the bad news is, it is worth $9.99. It may sound so expensive but the price is just right if you want to turn your place into a WiFi hotspot using your iPhone. You can try out its trial version and see for yourself if it is worth your money. Without further adieu, here are the steps on how to install MyWi.

1. Launch Cydia app and query “Rock App“, then tap on “Install” button.

2. You will be able to find a Rock icon on your Springboard, tap on it to launch.

Note: If you have already installed the Rock App in your iPhone, proceed to the following steps without performing the first to steps. Otherwise, you have to create a new Rock account if it is your first time launching the application. Rock account is free so you don’t have to worry.

3. Once the app is open, you can see MyWi among the options, tap on it to start installation. Click on “Start Trial” if you want to test it out first. However, should you decide to purchase the app directly, click on “Purchase” button. In this case, we will try out the trial version.

4. Installation will take a while to complete. After which you will be prompted to soft-restart your iPhone, just proceed as instructed.

5. Look for MyWi icon and tap on it to launch. You will, then, be prompted with an agreement which you are entitled to accept to be able to use the app.

6. That’s pretty it. You will now be able to enjoy its features. To increase security of your connection, or to avoid others to use it without your knowledge, you can enable WEP security and choose your own WEP key.

7. Switch “WiFi Tethering” On and MyWi will automatically convert your iPhone into a WiFi hotspot.

So far, these are the best apps you can use to share your Internet connection from your iPhone to your other devices. It will not take so much of your time to complete the installation. But you have to remember that these apps work only on jailbroken iPhones; if you haven’t done so, try these tutorials here.

Image credit: Yutaka Tsutano

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Creating the network

Apple makes it surprisingly easy to create a quick wireless network. The first thing you’ll need to do is make sure you’ve got Wifi enabled. Even if you’re used to connecting to the internet over ethernet, or hard-wired, you’ll need Wifi enabled in order to create the network. To enable Wifi, or check if it is enabled, just click the Wifi icon in the top right corner of your screen (pictured below, left,) and make sure it says “Airport: On“. If it’s already on, perfect! If not, click it to turn it on. Then, click that same icon, and near the bottom of the menu, choose “Create Network…”  like pictured below, right.

You’ll be greeted with the following window:

Leaving the channel as automatic will generally work fine, but depending on how long you plan on leaving the network active, you may want to set a password. If you do click “Require Password“, the dialog box will expand, and all you need to to is enter the password of your choice for the network, along with the type of security. Both are WEP, and so for the most part the default is fine.  (If only setting up most Wifi networks were this easy!) Security enabled or not, this is pretty standard, and when you’re finished, just clicking “OK” will set up everything up for you.

Connecting to the network

To be sure your network is now active, you can visually check where your Wifi icon used to be in the Menu bar, as it should now be replaced with the Ad-Hoc network icon, which looks like this:

Seeing this icon means you’ve successfully created your network. You can click on it, and you should see under Devices, the name you assigned to the network when you created it.

Now this may be the best part of this whole process. To connect your wireless device, be it an iDevice, Android smartphone, blackberry, or netbook, you don’t need to do anything different than you would with a normal Wifi network, be it heading over to your iPhone/iPad/iPod’s settings screen, hitting Wifi, and selecting your network, or just going to your Windows taskbar and selecting your Wifi network through the contextual menu. All you need to do is sign on to the network, and you’ll be on the internet, by way of your computer!

Additional Uses

Now that you’re on a network with your computer, you can use it in ways aside from browsing the internet as well. On iDevices, you can use your device as an iTunes remote with the Remote app. You can also sync apps with the cloud that you normally couldn’t.

Have another creative use for this, or want to know if it can be used for something specific? Hit up the comments!

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Often, just the words “computer network” are enough to draw up images of some complicated mess of cables and boxes with blinking lights. People see acronyms like LAN, WAN, TCP/IP and a host of others, and think this whole network thing must be the domain of pocket-protector wielding geeks. The truth is, once you get the basic idea of how it all fits together, you’ll find that it’s really not that complicated, and home networking can be done by just about anyone.

IP Addressing

Way back in the day, when I first switched from dialup to broadband, I was thrilled. Not only did everything go so much faster, but I had heard that my computer and my family’s computer could be online at the same time! Gasp! So naturally, on the day it was hooked up, I tried to get both computers online. To my surprise, it didn’t work. Each one could get online when they were the only computer connected, but as soon as I tried connecting both through a hub, it failed.

It was then that I began learning the world of IP addresses. Every device on the internet, from desktop computers to cell phones to smart toasters, has an IP address. Typically, this is a unique number assigned to each of those devices. IP addresses come in the form of “x.x.x.x”, each x being a number from 0 to 254. For example, the server that’s hosting Google.com has an IP address of 74.125.45.100. If you were to type that number into your web browser’s address bar, you’d get the Google homepage.

Places like Google, Yahoo, and of course MakeTechEasier.com keep the same IP address all the time. This is because they’re providing content to the world, and we want to make it as easy as possible for people and devices to find us.

Your home computer, on the other hand, is probably not serving web pages or providing some kind of content to the outside world. This means that your internet provider does not have to worry about giving you the same address every time you connect. Each time you connect to the internet, your computer asks your ISP for an address to use. Most of the time, it’s not the same one you had a few days, weeks, or months earlier. They see your computer’s request for an address, search in their system for an available one, and assign you the first unused address they have. For the sake of simplicity in this article, I’m going to use “9.9.9.1″ to represent the IP address given to you by your ISP.

Back to my old internet sharing problem: what was going on was that my internet provider was only giving me ONE address. I could hook up 2, 10, or 700 computers but my ISP was still only giving me ONE address. Well how in the world was I to hook up all my computers when I only have 1 address to use? Network Address Translation.

Network Address Translation

It’s a fancy name for a pretty simple concept. NAT basically means converting that one, single, internet address (9.9.9.1 in our example) into seperate addresses for your home network. To make this easier to understand, I’m going to compare internet routing to the existing postal system here in the US.

In the preceding example picture, we have College University as the destination for our letter. Even though the college is split into multiple buildings, it has a single street address. When the mail room gets a letter, it checks the letter to see which building it should go to, and which department in that building. Compare that to a similar example of an incoming internet data packet:

As you can see, it follows a very similar method to the postal example. The outside world sees every computer in your home only under your “main” IP address, in this case “9.9.9.1″. The router, which equates to the Mail Room in our example, checks all the incoming data to figure out which computer it should go to.

Note: I won’t be covering exactly how it figures that out, as that’s a bit beyond the scope of what I’m covering here, and the postal-to-internet analogy isn’t a perfect 1:1 comparison

You may be wondering about the IP addresses shown in the example. As I said earlier, every device on the internet has an IP address, but your ISP usually only gives you one at a time. Where did these other ones come from?

In short, IP addresses starting with “192.168.x.x” are private addresses. They only exist inside your home network. This is the key part of NAT. Even though you only have one “real” IP address of 9.9.9.1, your router basically “makes up” new ones for all your computers.

I know, I know, we’re getting into the complicated stuff and I said it wouldn’t be complicated. Essentially, what happens is that all the websites you visit or people you chat with on AIM/Yahoo/Skype/etc only see that your “street address”, your real IP of 9.9.9.1. When they send you a message, they send it to 9.9.9.1. It’s your router that knows, when it gets that message, which computer to send it to. The rest of the world doesn’t need to know anything but your main outside IP address. All the 192.168.x.x addresses are completely private and nothing but your router knows, or cares, that they exist.

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