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 ...

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15
votes
2answers
723 views

Twitter's HTTP response vs Google's HTTP response

I was looking at the HTTP responses form https://twitter.com and https://encrypted.google.com. These two responses have interesting similarities and differences in their security definitions. Both ...
1
vote
2answers
226 views

How to defeat CRIME, BREACH, TIME etc… server side (without sacrificing compression)

I am writing full-stack server side software and I have been researching CRIME attacks and it's relation to SPDY header compression as I am implementing the server side codecs for it at the moment. ...
1
vote
2answers
97 views

non-MiTM Reverse SSL

Do non-MiTM Reverse SSL Proxies exist? Or do all proxies that do SSL-SSL mappings decode and then re-encode HTTPS traffic? If this is the case and I want to map https://mypublicdomain.com -> ...
3
votes
2answers
679 views

Is there a problem with issuing a HSTS header in PHP?

I want to trial a HSTS policy on my blog without enabling it site wide initially. As a HSTS policy is just a HTTP response header would there be any problem with sending the header in PHP like so: ...
1
vote
3answers
244 views

What information can be seen from HTTPS to HTTP?

Assuming a secured page https://google.com/redirect.php?keyword=apple which redirects the visitor to a non-secured website http://apple.com, would an eavesdropper (anyone watching over the network) be ...
1
vote
0answers
3k views

Linux Hydra issue - random correct password success

I have an issue with Hydra when i use it. First let me inform that, i read multible guides, tries the excact same command lines as in guides directly supported by the Damn Vulnerable Web Application ...
1
vote
2answers
110 views

Using HTTPS GET from app to server

When developing Webpages, they say you should use POST for "destructive" actions, and GET for actions that only retrieve information. Is the same true for apps? Is it a total no-no to use GET for ...
0
votes
1answer
336 views

What mechanism to use for simple and secure HTTP API access?

I am currently working on a service which offers a HTTP API for mobile clients. I want clients to authenticate in order to access my API. The server itself is doing the authentication there will be ...
1
vote
1answer
892 views

Extremely big HTTP chunk size

I am working in a project which we must count HTTP response size. I am getting chunk size like: crlf = g_strstr_len(chunkeddata , responceSize - responceHeaderSize, "\r\n") And than I had a ...
0
votes
1answer
95 views

Is there any reason to allow Python fetches of my Web server's pages?

I keep seeing "python-requests/1.1.0 CPython/2.7.4 Linux/3.8.0-19-generic" requests e.g. from Amazon's servers of my website. It's kind of creepy. Who would set up an Amazon server to scan websites? ...
1
vote
1answer
450 views

Why is Access-Control-Allow-Origin required for uncredentialed cross-domain requests?

I understand CSRF and why cross-domain AJAX requests with cookies or other credentials can't be permitted without an Access-Control-Allow-Credentials header explicitly permitting them - otherwise I'd ...
0
votes
1answer
212 views

Are there any risk in serving static assets via compressed SSL protocol from 3rd party domain?

e.g. curl -v -H 'Accept-Encoding: gzip' 'https://cdnjs.cloudflare.com/ajax/libs/Colors.js/1.2.2/colors.min.js' As you can see, result is gzipped. My assumption is since they are serving from 3rd ...
4
votes
4answers
2k views

Is a cookie safer than a simple HTTP header?

I was recently told that a cookie is "safer" than a regular old HTTP header, which is safer than a URL parameter, particularly when passing around access tokens. What is the reasoning behind a cookie ...
25
votes
4answers
6k views

BREACH - a new attack against HTTP. What can be done?

Following on from CRIME, now we have BREACH to be presented at Black Hat in Las Vegas Thursday (today). From the linked article, it suggests that this attack against compression will not be as simple ...
8
votes
2answers
858 views

Is this GET request an exploit attempt?

I've noticed a few requests like this to a Rails application I am maintaining: GET ...
4
votes
3answers
796 views

Why is this response splitting attack not working?

I'm working through OWASP's "WebGoat" (version 5.4) vulnerable web application, but I'm getting stuck on one of the earliest lessons which is to do with HTTP response splitting. I've looked in all ...
2
votes
3answers
1k views

Odd “duplicate” HTTP requests

An unexpected duplicate HTTP GET operation triggered an "unusual event" report on my web site. The duplicate came from the web site of "Trendmicro.com" who seem to be in the internet security ...
1
vote
1answer
2k views

In which ways could a javascript making a cross domain HEAD request be a threat?

I was just reading this answer to the question Why is the same origin policy so important? Basically, when you try to make an XMLHttpRequest to a different domain, the browser will do one of two ...
1
vote
2answers
130 views

Question about authentication cookies? [duplicate]

Say, I have a website where users are required to login to access certain functionality. Once they are logged in, they are issued an authentication cookie. Some of the pages on the authenticated ...
5
votes
3answers
760 views

Are 500 responses or specific error codes more secure for REST services?

I am building a REST API to store security sensitive data for both my client and third-party partners. Each request is validated using an HMAC of certain data which is keyed on a temporary key ...
3
votes
2answers
2k views

Exploiting HTTP content in HTTPS page [closed]

I recall hearing there is a range of attacks one can mount against a page which mixes HTTP and HTTPS loaded content (say, https://Secure-Site.com loading an image from http://Not-A-Secure-Site.com) ...
18
votes
8answers
2k views

Should a site have SSL if it doesn't have a login form?

We have a site at work that is used for the following: Our homepage, which is just some info and contact info. Job applications are also handled on our site. There is no place where you can login ...
9
votes
5answers
4k views

SSL/TLS - Distinction between self-signed cert and self-signed CA, and other questions?

I have a small personal website which I wish to serve securely over HTTPS. At the moment I do not wish to use a third party CA to sign my certs. I was reading this document on generating a self-signed ...
-2
votes
1answer
728 views

Are GET parameters secure over https? [duplicate]

Since GET parameters are passed in the url, how can they be secure from someone with access to network logs. He would be able to see what urls are accessed, even if he cannot see the request and ...
0
votes
4answers
6k views

How is HTTP PUT and DELETE methods insecure, if they really are? [duplicate]

If I really need to use these methods, how do i make sure they are secure? Edit: Is there a link or source where I can see how to make sure that 'PUT' and 'DELETE' methods are not able to delete or ...
1
vote
3answers
179 views

How can someone access data that I am requesting when I use HTTP?

I have heard that HTTP use plain text communication. If it is so how can a hacker or someone tap it. From my little knowledge I know that if we sent a request to a web server it replies back to us ...
7
votes
3answers
4k views

Detecting Tor proxy by reading request headers

I am a newbie to the field of security. As I was trying to explore more about HTTP request and response headers, I came across this website which provides a detailed analysis of the request header ...
1
vote
3answers
1k views

ModSecurity errors related to REQUEST_METHOD HTTP/1.1 and GET

I asked my host to switch on the log file, and it have increasing a lot since then. Its have been increasing with 700 mb for the last week. It’s filled with error messages related to Mod Security. ...
21
votes
11answers
8k views

Prevent my site from being copied

Is it possible to protect my site from HTTrack Website Copier or any similar program? Without setting a max number of HTTP request from users.
9
votes
2answers
12k views

Specific risks of embedding an HTTPS iframe in an HTTP page

I need help listing the specific risks of embedding an HTTPS iframe that enables credit card checkout inside of an HTTP page. Are there security issues with embedding an HTTPS iframe on an HTTP page? ...
2
votes
1answer
643 views

Are there any vulnerabilities when making cross-domain HTTP requests during an SSL connection?

I recently starting using the Calomel SSL Validation plugin for Firefox to test the SSL security on the sites I visit. When navigating to American Express' log in page, I noticed Calomel reports the ...
8
votes
1answer
453 views

Build a secure channel without SSL/TLS

I'm looking at possible options to build a secure channel between multiple embedded devices with limited cryptography capabilities and an HTTP server (It could be some sort of web service). 1. ...
2
votes
1answer
221 views

HTTP Basic Auth is enough?

I have WebSVN, Gitlab and phpMyAdmin hosted on my dev server. Now, all of it, I password protect the pages (not their individual login) using HTTP Basic Auth, is this the best practice that I can do?
6
votes
3answers
2k views

Is it possible to pass TCP handshake with spoofed IP address?

Little time ago, me and my friends argued if TCP handshake can be passed with a spoofed IP address. Assume I have a https web server that allows only admin's IP numbers. Can anyone connect that web ...
-1
votes
1answer
139 views

Who can view my https browsing habbits? [closed]

I was wondering about HTTPS security and how easily is compromised. I have already read the similar threads in here, but I have some more questions: Let's say I am searching something at Google. ...
2
votes
2answers
2k views

How secure is using a blank index.html / index.php? [duplicate]

When you put a blank index.html into a given directory on a web server, web browsers will not display a file listing for that directory. But is it secure enough for other purposes other than ...
6
votes
5answers
610 views

Is including a secret GUID in an URL Security Through Obscurity?

I know that this question is a little bit on the side of Opinion/Discussion, but I think there's a provable answer to it. I think the common view of "Security Through Obscurity" is that the security ...
6
votes
2answers
3k views

CSRF protection and Single Page Apps

I am in the process of writing a thick client web app using Angular.js (single page app) and was wondering what are the best practices for securing the app using a CSRF token. Should I send a CSRF ...
20
votes
6answers
3k views

Malicious Links that Respond to Browsers but not curl or wget

There are some emails with links to people's cracked websites with a malware download Like this kind of email: fake DHL pack station email ... the links often take the form of: http:// ...
-1
votes
1answer
326 views

Wireshark Decode HTTPS Root Certificate

I'm currently dealing with a "Sniffy" java application. Well I can see it connecting to some kind of server using HTTPS. I would like to see what its sending or getting over HTTPS. i have read some ...
5
votes
3answers
5k views

How can I block an IP, if I'm getting many http requests in a second?

If some one tried force burst attack on my website, how can I block them? Ideally, I want to block an IP if I have many http/Apache requests in a second.
3
votes
2answers
1k views

How can I implement authentication in my proxy server?

I have a proxy server, it will have a captive portal page. Users will be required to sign in before gaining access to the internet. So far I am aware of IP and/or MAC address based authentication. ...
1
vote
1answer
147 views

Simple and secure remote installation method that accepts input via a web page?

When installing software on a remote server: Is it possible to let the admin (i.e. the user that installs the software) define admin username and password via a HTML page, in a secure manner? ...
4
votes
2answers
853 views

I'm being followed on the web. Explanations for mysterious behavior

Am I being stalked? I was recently doing some basic Python development scripting. Python has a nice feature where it can run a simple HTTP server that serves the contents of the local directory, on ...
-1
votes
2answers
680 views

Allow embedded videos while keeping youtube blocked [closed]

Our organization has launched a training program for employees. the hosting server(internal), has YouTube videos embedded. we have YouTube blocked, and employees access the internet via proxy. How can ...
6
votes
1answer
141 views

Are there any situations when one can only mount a passive MITM?

This came up while discussing Web & insecure HTTP - Using RSA for encrypting passwords on the client side Is there any such situation possible when requesting an HTTP page where an attacker is ...
4
votes
1answer
2k views

If SSL encrypts urls, then how are https messages routed?

I've googled around and it seems like SSL encrypts URLs. (Correct?) As I understand it, if I go to a site like http://security.stackexchange.com then a DNS server looks at the URL, says hey, he wants ...
2
votes
4answers
504 views

How to identify the Java program that is maliciously accessing my web site from many client addresses?

For many years, my personal web site receives numerous pairs of hits that look like this, every day: 202.xx.xx.xx - - [22/Apr/2013:12:02:26 +0000] "GET / HTTP/1.1" 200 5923 "-" "Java/1.4.1_04" ...
16
votes
3answers
840 views

Vulnerable code suggested on OWASP?

Session Hijacking Prevention It is good practice to bind sessions to IP addresses, that would prevent most session hijacking scenarios (but not all), however some users might use anonymity ...
8
votes
3answers
798 views

Is it possible to “protect” against MITM attacks over HTTP?

In a conversation on twitter I warned a site about a security vulnerability. Specifically, the possibility of a MITM (Man in the Middle) attack used to compromise their registration form. The ...