Code 404! We are under attack!

--Originally published at (Not so) Random talk

Have you ever gone in to a web page you usually go into, but that day you simply can’t. You might be getting the (in)famous error: 404 page not found. But why?! You check your Internet connection, might even open other tabs and see it just fine. So it must only be happening to this one page. This annoys you, thinking the page was fine just a day or a few hours ago, and close the tab. Later you return and see you can access normally, and everything is fine. But what happened that time that you couldn’t get in? Well something at that moment probably was under an attack. A denial of Service Attack.

But what exactly is that? Should I start panicking over it? The word Attack sounds like something really bad… Well, as answer to the last question I can only say maybe, maybe not. As for the first, I’d like you to meet someone who will help me explain.


This is Little Packet. Little Packet normally goes to through the web delivering your request to access a web page. It would normally go as follows:


But sometimes, someone wanting to do something bad (just like in the real world imo), would send a lot of request (call them rouge packets if you want), to one server hosting a page, all at once. What this does is to prevent legitimate users, like Little Packet, from accessing information or services, like websites, emails, online accounts, etc.


Another form of DoS is one you probably already know, but hadn’t paid much attention to it, or just called it annoyed. It is called spam. When a lot of spam is sent, it fulls the inbox, not letting you receive your legitimate email.


There exists, let’s call it, an upgrade to

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