Questions tagged [http]

Definition: HTTP - the Hypertext Transfer Protocol - provides a standard for Web browsers and servers to communicate. The definition of HTTP is a technical specification of a network protocol that software must implement. HTTP is an application layer network protocol built on top of TCP. HTTP clients (such as Web browsers) and servers communicate via HTTP request and response messages. The three main HTTP message types are GET, POST, and HEAD.

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1answer
101 views

Does sslstrip have to do something with Bettercap's certificate?

I am trying to perform a MITM attack using bettercap against a website that doesn't have the HSTS security policy implemented at all. When I try the following command: bettercap -T ...
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1answer
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Should I redirect http request to https from my system's application or from DNS or other?

I want to create a web server that does redirects HTTP to HTTPS. What is the simplest method to do this but also secure? Should the DNS handle this? (For example, Route53) I used to do this with my ...
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9answers
6k views

How does one take advantage of unencrypted traffic?

Let's assume an ecommerce site works over HTTP, rather than HTTPS. What are the practical dangers here? How could an attacker exploit this? Whenever I read about dangers of unencrypted traffic, it is ...
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Sysmon itself i trying to establish connections to the internet [migrated]

I've installed Sysmon latest version on multiple servers and as I add sysmon-modular config to the sysmon, sysmon process tries to establish connections to the internet which is odd. Some of these IPs ...
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Web path scanner evaluation criteria [closed]

I recently find out that when selecting a web path scanner, the following features should be considered, in order of importance. Functionality If you can't get it to run on your system, it's no good ...
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21 views

Fuzzing with SPIKE for HTTP and FTP [closed]

I wanted to know is there anyone doing fuzzing in SPIKE? I know SPIKE is quite old and almost every page says it has bad documentation. I found some pages but they all have the same pattern fuuzing ...
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30 views

HTTP cookie behaviour in server response [closed]

When a client initiate a HTTP request for a server using cookies, the server replies with a cookie in the set-cookie header. I would like to know is the set cookie header sent in every reply from the ...
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1answer
74 views

Is it safe to visit any website in TOR when the Security Bar is set at Maximum? (Safest)

Someone has sent me a link on Tor which when visited instantly read that the website itself was not available and that apparently the link is broken somehow. When using Tor i use the option "...
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1answer
81 views

Security Considerations To Account for When Redirecting From Microservice to Another

I am evaluating the above service design where I want to have mechanism to pass a user through multiple microservices. In this simple example, the user goes through a sign-up process and once done, ...
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1answer
111 views

Secure HTTP login in an embedded (IoT) system

HTTPS in an embedded (IoT) system is (as far as I know) not necessarily a good solution. Basic Authentication is not secure. Acceptable in an internal network. Idea: Login.html (when called up) sends ...
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1answer
1k views

Bettercap 2.x SSLStrip Is Not Converting Links

I posted this before. I am creating a new post because of all the changes I would need to [edit] out. I have the latest version of bettercap. I have the latest version of Kali Linux using the latest ...
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Is an out-of-band request via DNS by abusing the X-Forwarded-For header exploitable

By changing the X-Forwarded-For header in a request, I am able to have it sent an OOB interaction with Burp Collaborator requesting a DNS lookup of type A. Is there any risk to this vulnerability or ...
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1answer
67 views

Did Wireshark capture an update of Adobe Acrobat Reader over an unencrypted connection?

My home router is an AVM FritzBox and it's able to log all incoming and outgoing traffic in a file format readable by Wireshark. Some days ago I started capturing all traffic for about an hour to get ...
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1answer
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Is basic HTTP proxy authentication secure?

I have been looking for cloud based proxies, and I notice that it's very common to authenticate to a proxy using basic auth over an unencrypted connection. I don't understand why this is considered ...
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1answer
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It seems someone or something is replicating my requets

I have a personal service which is deployed on one VPS. The service works based on http requests, and it is due specific goal and handling three types of requests. The order matters in the requests. ...
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1answer
60 views

How to know if the response is from the CDN and not the origin?

I am doing some bug hunting. I inserted a malicious payload into a request. But I am not sure if the response is from CloudFlare or the origin. Are there special headers which help me to distinguish ...
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1answer
60 views

RestApi Libsodium SealedBox end-to-end request encryption scheme

I am making an API that uses the following steps for encryption. All of this is implemented using libsodium. First of all the client has to make an initial request to the server for getting his public ...
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1answer
84 views

XSS injection in the name of a file to be sent

I found a reflected XSS in a POST request that sends a file to the web server. The HTTP POST Request The HTTP 200 OK Response When I want to try to insert document.cookie in the payload, the web ...
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1answer
2k views

Website doesn't provide cookie (csrf token) when connecting over proxy. Why/how?

The Python code below should grab a CSRF token cookie from Instagram.com, but I get an error message when running the program through any sort of HTTPS or SOCKS5 proxy, informing me that the CSRF ...
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3answers
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How does Facebook really identify requests?

Today I have discovered something very strange. It seems like Facebook is playing some kind of unfair game for identifying one's online identity. So, here is what I have done: I have a regular ...
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2answers
84 views

Can a Slow Post HTTP attack be done from a single client?

Can a Slow Post HTTP attack be done from a single client? The following source cites this line: https://medium.com/fantageek/understanding-socket-and-port-in-tcp-2213dc2e9b0c Ports are 16-bit numbers,...
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1answer
890 views

HTTP request smuggling, basic TE.CL vulnerability

Im trying to learn about http request smuggling and Im trying out the labs for burp suite. Im stuck on the TE.CL vulnerability, Ive clicked on the solution (see below:https://portswigger.net/web-...
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1answer
57 views

How to make Squid Proxy undetectable by ip-check.net? [closed]

I have setup squid proxy on a CentOs server where I set forwarded_for to delete and denied request headers on the /etc/squid/squid.conf file. However, whilst connected to the proxy, if I visit http://...
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23 views

How does AWS verify signed requests?

How does AWS request signing and verification work? Let's say I have created a signed request using this guide. How does AWS service verify this signature? I see 2 options with their respective flaws (...
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0answers
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Snort Inline Mode(IPS) Routing Packet Forwarding

I'd like to build an IPS which would be a seperate endpoint than the router and/or protected servers. To achieve this I've installed to my Ubuntu server Snort with DAQ(AFPACKET). The instructions I've ...
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1answer
102 views

Isn't HTTPS enough to prevent MITM in mobile apps? Why is SSL Pinning needed?

I am making a webview that is going to be part of a native iOS and Android app, I implemented the webview using HTTPS as a protocol, and developed my NodeJS app there. But the security team from where ...
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1answer
72 views

Why is php-fpm trying to connect somewhere on port 443?

I have nginx and php-fm set up to front a word press site. I used certbot to setup TLS. When I load any page, I see selinux violations and it looks like php-fpm is trying to reach out to some port ...
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Arbitrary query parameter reflected in server response header. Is it exploitable?

SCENARIO: If I send requests like these: http://site.com/page?safe_param=1?my_arbitrary_param=2 The server responds with a normal HTTP response but within common headers it includes also the ...
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1answer
84 views

What type of attacks does HTTPS protect against? [closed]

What are some example attacks that could be vulnerable if HTTP is used, and that can be overcome in HTTPS? The only one I can think of is man in the middle attacks, where the intercepted traffic is in ...
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1answer
40 views

What you can do with super cookies on subdomain to harm domain?

When you search in Google for user cookies top results are VPN services that say that it's used by ISP to track the users. Wikipedia Supercookie say nothing about HTTP headers and what exactly are ...
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1answer
101 views

Signing HTTP requests with JWS

Looking over the spec for JSON Web Signature (JWS), I realise that it doesn't seem to specify anything that is HTTP-specific in terms of the payload. Specifically, signing HTTP headers and bodies (say,...
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HTTP Headers: Document Policy vs. Permissions-Policy/Feature-Policy

I'm checking the options to harden my web app by setting the appropriate HTTP headers. Besides the Content Security Policy (CSP) there are two another approaches: Document Policy and Permissions-...
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1answer
103 views

Intensive 586 (ms-shuttle) port scan/exploit/hacking attempts

Recently i wanted to play a bit with TCP/UDP networking (and touch some custom HTTP server impl) on C# and found out that i'm getting requests from totally unknown dudes, such as this one: FROM: [::...
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2answers
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HTTP Digest Authentication: Does the server store plaintext passwords?

Having just finished the chapter on digest authentication in HTTP - The Definitive Guide, I'm not quite sure what the server stores as the client's secret† in its database: the client's plaintext ...
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1answer
70 views

CSP Violation ms-appx-web://

We have a java application which allows users to upload attachments and save it on the server. The application has a content security policy defined like this: base-uri 'self'; child-src 'self'; form-...
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1answer
130 views

Can someone tell me whats the encryption in this? [closed]

khgpd://zpn.xddspbx.nrf/j/9djwth14tmct9tf/uzdwvrrnonv.tue?gz=0 This is an encrypted text and is most prob a url....pls decode it or tell me which cipher is it, this is not for any security breaches ...
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0answers
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Internet provider with http site rendering on https website [duplicate]

If I am browsing a site that is https and it renders images from another site (like google images, bing images) and some of the sites are HTTP, does the internet provider see exactly which pictures ...
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1answer
165 views

How can I found a source of HTTP request in Wireshark?

There are weird requests to/from the AWS: and another one to/from 177.143.198.104.bc.googleusercontent.com: ( http://whois.domaintools.com/177.143.198.104 ) I use Ubuntu 18.04 Desktop, web browsers ...
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1answer
505 views

NONCE not supported in Asp.Net for CSP implementation

Is NONCE supported in Asp.Net when implementing Content-Security-Policy header to protect from XSS ?? I read that NONCE was not supported in Asp.Net, however I read another simple article, that shows ...
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1answer
75 views

Should I check Host header or ServerName for CSRF defense when serving behind proxies?

In a CSRF defense based on checking forbidden headers, should I check Origin/Referer header against the ServerName configuration directive, or is it sufficient to simply check against the HTTP Host ...
2
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1answer
204 views

Man in the middle using HTTPs downgrade to HTTP

In general browsers attempt to establish a HTTPs-Connection if possible. How would you force a browser to fallback to HTTP when somebody enters asdf.xyz in the search bar of his/her browser without ...
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2answers
71 views

HSTS without auto-upgrading HTTP to HTTPS [duplicate]

I have a website hosted at https://example.com/mysite. If you navigate to http://example.com/mysite, you get a 404. Everything that comes in over HTTP gets 404'd. I was dinged on a security audit ...
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5answers
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Why doesn't a simple HTTP request to display a remote web page violate the same-origin policy?

On a W3Schools page, I found that HTTP requests work like this: A client (a browser) sends an HTTP request to the web A web server receives the request, and runs an application to process it The ...
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3answers
149 views

How to limit web API microservice communication to specific list of machines?

I have an PHP API that I want to be consumed only by one static website. However the HTTP is not secure as from what I suspect any header can be spoofed (IP - I may be wrong here, domain name, and so ...
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1answer
45 views

How to prevent HTTP header injection attack in J2EE Web application? Is there any library (Maven dependency) available for this purpose?

My J2EE application is vulnerable to HTTP header injection attack. I want to make it secure from this vulnerability. Also, I am searching if any library (Maven dependency) available for this.
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5answers
28k views

Any reason NOT to set all cookies to use httponly and secure

Assuming a site is using all HTTPS all the time (LB redirects port 80 to 443), is there any reason not to force every cookie set by the application to use BOTH secure AND httponly? Currently, for ...
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4answers
29k views

Should I disable http HEAD requests?

I have seen increased 'HEAD' requests in my webserver access.log. What are these requests for? Should I disable this method in my webserver configs?
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3answers
5k views

What risks am I taking by using an http site to play a video game that just records mouse events?

There's this game at http://slither.io which I like to play. Only inputs that I give to it are space bar, and cursor location. It's not https. Are there any risks?
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1answer
67 views

Update URL over HTTP

I saw VLC (Windows) gets updates from an unencrypted URL: HTTP, not HTTPS! Do you think there's a risk for a man-in-the-middle attack?
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1answer
6k views

“google.com” is not HSTS protected?

Issue: Oftentimes people enter google.com directly in the browser's address bar without including either the http:// or https:// prefixes. Using Chrome DevTools on a fresh incognito session, I ran the ...

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