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70

Botnet If someone has access to a botnet, even a small one, they could change the IP that their actions are coming from several times per minute or flood their actions from a million IPs in any given moment. Non-botnet For individuals without a botnet, there are several methods, including resetting their ISP modem, which, in some cases, resets the IP. ...


32

No one seems to have addressed this yet, but I'd like to introduce the biggest problem to IP based rate limiting: IPv6. If you (naively) applied the same logic as you do to IPv4 addresses to IPv6 addresses (i.e. block the address after a certain number of attempts), your rate limiting will be thwarted in about zero seconds. Why? Well, the simple version ...


18

If a hacker is in posession of a botnet, they can have control over thousands of IP addresses and can switch between them at will. So there is not really a practical limit to the frequency and speed with which they can change IP addresses.


4

You cannot magically secure applications like Zoom without changing the application and the infrastructure it relies on. The missing end-to-end encryption you want to have fixed is due to the basic architecture of Zoom, in which media streams are processed and mixed together on a central server (which is owned by Zoom). Only this architecture actually ...


3

It depends on where the data was changed and all you mentioned outcomes are possible. TLS messages has some public scructure. For example, TLS record: and if its structure is broken, then entire message is considered broken. This doesn't necessarily say if encrypted data was additionally tampered. If only ciphertext was tampered so entire structure remains ...


2

Is there anything that makes a regular call different from an emergency call? Not physically, the signal works pretty much the same way as any other call. Phone manufacturers just add the ability to dial emergency numbers with locked phone (my Samsung allows me to add my own emergency numbers, eg. parents, so they can also be called from locked phone). ...


1

First of all, if a port is opened it's usually because there's a service listening on that port which responds using whatever protocol it is based on. The first question is: What kind of service responds on that port, and what protocol does it respond with? The second question is: Are there known vulnerabilities regarding to that particular service or ...


1

Lets turn this question around. What can Bob do to monitor your network traffic? And what can you do to stop it? Since you are at Bob's house. Bob controls his router configuration. All your network traffic goes through his router. If he has the technical skill and equipment, he can monitor every packet you send. An easy and common thing for people ...


1

Let's take this from Tor backward. Yes using Tor is likely going to maximize your privacy and anonymity. That said, Tor comes with usability issues that may not be worth the pain for your needs. You can try Tor easily enough by downloading and running TBB (Tor Browser Bundle). Anyone who can access the router traffic can see that you are using Tor but no ...


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