HTTP Request Smuggling Basics

I am currently trying to learn HTTP Request Smuggling vulnerability to furthermore enhance my pen testing skill. I have watched a couple of videos on Youtube and read articles online regarding it but still have a couple of questions in mind. Question:

  • What are the attack vectors of HTTP Req Smuggling (Where should I look)?
  • What is the main way to provide PoC to companies with high traffic? I know that HTTP Smuggling could possibly steal people’s cookie, can this be used for the PoC or is this illegal?
  • Can this or other vulnerability be chained together? (e.g. self-xss & csrf)

Thank you everyone!

implementing an authentication mechanism for understanding the basics of client authetication

I’m trying to implement a simple protocol to authenticate users and authorize them to access a certain web page/resource via a login form.

Please note that this is just something to use on my own and that it’s just to get the basic idea of how such systems work.

My idea is to store the hash of a shared secret between Server and client on the server side and then use a challenge-response mechanism to authenticate the user. The user would type an username and the server will respond with a challenge that implies the use of the shared secret to get access to the resource. For example, hashing the password and the challenge together and sending it back to the server. The server would do the same with the user’s stored password and check if both values are the same.

However, how can this authenticate a user A to a server B if, let’s say user C can intercept A’s response to the server and send it to the server as if it was C? Then the server would authorize C to the resource A was supposed to gain access to.

Isn’t this the way protocols such as CHAP or EAP work? (in an over-simplified way). I think I have a bit of a mess in my head, but the only solution I can think of to prevent a MiTM attack is to use TLS/SSL. But how do websites authenticate users nowadays without TLS? Also, OpenID seems to me equally vulnerable to man in the middle attacks, but it must be something I don’t understand or I’m missing.

What are the basics of CS i should know,before I start my journey into machine learning

I am myself a non-cs graduate and would love to be a machine learning engineer.

I have learned to code and know the basics of Machine learning as well. Now I would like to know what “basics of CS” I should learn to be completely job ready.

I sometimes have difficulties reading CS documentations and don’t know how programs and computers work in background, I am also naiver on topics like memory management, operating systems, networking, electronics stuff like microprocessor, compiler design etc. Are these all necessary for my transition to AI? If they are, would you please recommend me a short learning path or books or videos. I hope I wouldn’t need to go deep in these areas. Thanks

Are the security basics of a non-wifi router different from securing your desktop?

I have studied much about securing a desktop from enabling firewall to browsing internet safely among other things. I also know that many steps can be taken to improve the security of wifi routers. But if I am using a non-wifi router or a usb dongle with wifi turned off, are there any steps I can take to secure that router? Or is a non-wifi router secure?

I have read about web cams that are vulnerable and can be hacked so what about routers? Can you give me an introduction? How can I find out if my router has any vulnerabilities?

I am getting a message that this question appears subjective so I will tell you that basically what I am asking is: how does router security work?

What are the basics of the Nobilis 2e system’s mechanics, in a nutshell?

Some months ago, I was shown the Nobilis 2e book. I tried to gain a basic acquaintance with the principles of its system, but was soon swamped: it seemed like any explanations encountered in the book always went for big chunks covering every small detail, as opposed to a fractal approach where the long-winded description is preceded by a bird’s eye view that only provides the key points first.

What are those basics, from a bird’s eye view? How does the diceless point-spending resolution of actions work in general? What are the basic attributes (or however else the traits are called in this system)? Are there wholly separate mechanics for resolving miracle-magic and ‘merely’ superhuman competence?

Note: I’m acquainted with flexible/improvisational/freeform approaches to magic from other settings and systems (Mage the Ascension Spheres, Thaumatology Realm Magic etc.), so that part isn’t a concept I have trouble grasping; this is predominately a mechanics question.

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Basics of Pixel art editors? [on hold]

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