Questions tagged [internet]

The Internet is a global network consisting of many networks connecting billions of devices together via a variety of network technologies.

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19
votes
1answer
13k views

How can I detect real location of the user through their IP address?

There were many ways to detect the user's IP, for instance we could get it through a single click link or through any other medium of communication where we could get the user's IP. But the tedious ...
7
votes
5answers
4k views

How to detect self destructing emails? How to prevent from self destruction?

Recently I came across a gmail extension for Chrome browsers which claims to send self destructive emails. I tested by sending self destructive emails to my email account and it works fine Now my ...
114
votes
6answers
32k views

My ISP uses deep packet inspection; what can they observe?

I found out that my ISP does deep packet inspection. Can they see the contents of HTTPS connections? Wouldn't having HTTPS ensure that they can't see the contents being transferred? And can having a ...
115
votes
4answers
20k views

How would a resourceful government block Tor?

I came across this article saying that after the November 2015 Paris attacks, some French police officers proposed to ban Tor. Tor is used to circumvent censorship! What security techniques would ...
56
votes
6answers
14k views

Why is leaving a passworded SSH over the internet so bad?

I've heard multiple multiple times to never leave SSH with a password open over the internet. Why is this so bad? I understand the password can be bruteforced, but what if it is a very strong ...
4
votes
1answer
998 views

Is it possible to detect VPN in the network?

Is it possible to detect the use of a VPN in a network? Let's say that I'm going to use a VPN during my connection in a country where internet is filtered, and to avoid been monitored I installed ...
6
votes
1answer
813 views

Google DNS query pointing at ISP instead of Google

I am not sure if this is actually an issue or not or if I am just being too paranoid, but I noticed this upon arriving home to Alaska recently (location is important as you'll see shortly). In short, ...
0
votes
5answers
6k views

Monitor websites being visited on network

I need to monitor the websites being visited on my wifi network by the different IPs connected to the network. What is the best way to do this? I spent some time with Wireshark but I feel it is a bit ...
52
votes
6answers
23k views

Phones broadcast the SSIDs of all networks they have ever connected to. How can these be obtained by an attacker?

I just watched an interesting talk from Glen Glenn Wilkinson titled: The Machines that Betrayed their Masters. He said that your phone is constantly broadcasting all the SSIDs it has ever connected ...
16
votes
4answers
6k views

How do I hide the OS I am using from internet sites?

I am currently trying to mask the OS system I am using from the websites I visit. I'm doing this for an added layer of security. How would I go about hiding the OS from websites?
7
votes
2answers
653 views

How to find out whether an ISP adds a perma-cookie to my requests?

I am interested in finding out whether my (or any) current ISP (Internet Service Provider) uses a technology known as "perma-cookie" oder "sticky cookie" when I am browsing the internet. This ...
24
votes
8answers
9k views

Is possible to get infected by only staying connected to the Internet (nothing else)?

I have a router and I'm the only user. I have a computer with Linux and a tablet with Windows 8.1. Because of a few problems, I had to reinstall Windows on the tablet. Since I'm a bit paranoid about ...
7
votes
3answers
17k views

Why no support for TCP Sockets in JavaScript

I know there are now WebSockets, but what is the issue with providing a socket API to allow interacting with existing protocols? I mean, after all, I can use a hidden flash object to do the same ...
3
votes
2answers
428 views

Are string comparson timing attacks practical over public networks

Related are-there-any-working-proof-of-concept-string-comparison-timing-attacks I was looking at doing some encryption and hashing in PHP and came across this note Please be careful when ...
3
votes
2answers
10k views

How do I know that my connection is really encrypted?

I am using a VPN to ensure to encrypt my traffic. I wonder though if I could check somehow if the datastream really is encrypted?
2
votes
1answer
308 views

Secure no-login REST API for very few clients

I'm designing a very simple data collection device for a research project. Because we are logging, among other stuff, the GPS position of actual vehicles, we need to protect the data. Since we ...