How to Gain Access to a Remote Computer

Gaining Access to a computer remotely is not a very tough task. You wont believe that system or network administrators do this hundred of times a day. Although there are many ways through which you can gain access to a remote computer that includes both legal and illegal way like hacking or Trojans. In this Post I will focus on almost all the legal ways that are available to gain access to remote computers.

1. Remote Desktop – Remote Desktop is a feature of windows operating systems. You will find remote desktop in almost all windows operating systems. Irrespective of either you are using clients or servers, Remote desktop will be there for your help. The only disadvantage of using this utility is that you must have windows OS installed on both the sides on your network.
2. Remote Assistance – This is again a feature of Microsoft that is used by tech support professionals in order to gain access to a remote computer. One major difference in between Remote Desktop and Remote Assistance is that in remote assistance you need someone sitting on the other end to acknowledge your request which is not a mandate in remote desktop.
3. Team Viewer – Team viewer is a free software that can be used as a remote assistance tool to operate computers remotely. This tool is beneficial when it comes to Internet. Because Internet  works on public IP, that is why it is a mandate to either use a public IP on the remote end or a software like team viewer.
4. Telnet – Telnet is the base protocol for many remote desktop applications and can also be used as a tool to access remote computers but only through command line.
5. SSH – SSH is absolutely like Telnet but with Security features inbuilt. SSH works on the concept of PKI and is more secure than any other above defined applications.

Use Google Authenticator without the Phone

Google Authenticator makes your online accounts more secure. You need to enter the regular password and a one-time password generated on your phone (or tablet) to log into any online account* where 2-step authentication is enabled.

Google Authenticator generates one-time passwords on your mobile phone

Tip #1: Use Google Authenticator on Multiple Devices

The Authenticator app is available for Android, iPhone, Windows Phone and BlackBerry mobile phones. If you however carry two or more of these devices, like an iPad and an Android mobile phone, you can configure the app such that same code is generated on all your devices. This is handy because you can then pick the one-time code either from your phone or the tablet for logging in.

The trick is fairly straight-forward. While you are scanning the QR code with Google Authenticator on one device, launch the Authenticator app on your other devices and scan the same QR code image with them. Just make sure that the system time is the same on all your devices and you can then use either of them to log into your online accounts.

If you have already configured two-step authentication for an account on one device, you may have to temporarily disable 2-step authentication for that account and then re-enable to simultaneously configure it across all your devices.

Tip #2: Use Google Authenticator on the Desktop

You may run into a situation where you are working on the desktop (or laptop) computer but the mobile phone, that is required for generating one-time passwords, is another room or you probably left it at a friend’s place.

Not a problem as you can also generate verification codes in your desktop browser without requiring the Google Authenticator app. All you need is is the GAuth add-on for Chrome and you are good to go. The only difference is that instead of scanning QR codes, here you will have to enter the 16-digit secret key to add an account manually.

The security tokens are stored locally in your browser using HTML Local Storage and thus you don’t have to enter them again.

[*]  Gmail (Google), Dropbox, Dreamhost, WordPress, LastPass and quite a few other web apps now support 2-step verification using the Google Authenticator app. See Lifehacker for a complete list of supported apps.