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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Linux Hydra issue - random correct password success

I have an issue with Hydra when I use it. I have tried the same command lines given in guides directly supported by the Damn Vulnerable Web Application (DVWA) v1.8. Ok so.. here is my attempt ...
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5answers
263 views

Are all URL shorteners unsecure/vulnerable?

The OWASP state that open redirect is a vulnerability: An open redirect is an application that takes a parameter and redirects a user to the parameter value without any validation. This ...
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582 views

Is using the md5 hashing algorithm as method for authorization in an HTTP POST request unsafe?

I am creating a page on a website that will show a user some authorized information from another website, and that website uses a combination of the user's user-number and a secret passphrase hashed ...
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4answers
1k views

How can I test that I have correctly disabled unnecessary HTTP methods?

I am making a web-based application and I disabled some of the HTTP methods which are not necessary for the website (specifically, OPTIONS, HEAD and TRACE). I put this in the httpd.conf of my xampp ...
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2answers
634 views

Is SSL a mitigating factor for HTTPonly not set on cookies?

I have a few sites that are using HTTPS (no mixed mode HTTPS/HTTP). The cookies do not have a HTTPOnly flag set. They do pass along session IDs. Also some of the sites do not have a "Secure"flag set ...
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912 views

How to send GET/POST requests without header and agent information

I want to test our DOS prevention system against http requests that are not have header and agent information. Is there any tool I can do that. I tried siege with this command siege -c 3 -b -H ...
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1answer
233 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 ...
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3answers
136 views

Does including decorative HTTP headers into server reply pose extra security risk?

Suppose I reconfigure my HTTP server to add the following HTTP header into every reply: X-Hello: Hello! or some other presumably funny text. Can this have any negative effect on the server ...
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2answers
55 views

Self signed certificate secure when just client sends sensitive information?

Is it secure to create a self signed certificate when just clients will send sensitive information to the server? After checking out the topic "What are the risks of self signing a certificate for ...
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2answers
1k views

How valid is this statement “SSL sit between application layer and network layer”

taken from http://searchsecurity.techtarget.com/answer/How-does-SSL-sit-between-the-network-layer-and-application-layer The SSL protocol is quite unusual, as it doesn't just operate at one layer. ...
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1answer
144 views

HTTPS encryption and internet proxy [closed]

I'm not sure if this is the right place to ask this question. Please tell me, and I'll delete it. I want to modify a Word document hosted on my OneDrive account. I see that it is using a SSL ...
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3answers
957 views

Reply to SSL Handshake Request with a 302 Response

Is it possible to respond to an SSL Handshake request by sending back a http 302 redirect without making the browser mad? I would like to immediately redirect to a different site upon receiving the ...
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2answers
128 views

How much does a GET request over HTTPS reveal to an eavesdropper

Correct me if I am wrong, according to HTTP v1.1 a simple CONNECT request initiates a SSL tunnel between the server and a client. its only after the tunnel is created that the complete GET or POST ...
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2answers
133 views

https login iframe 2014

Per current security recommendations & browser support, is it okay to have an https iframe in an otherwise http-only set of pages? Is this not a dupe? It is, but I want current trends because ...
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2answers
189 views

Clarifying MITM attacks and Digital Certificate requirement

We are running a Portal application for our client with Payment Gateway integrated. Payment gateway uses SSL as it is suppose to be . The concern for me is that our Portal application does not use ...
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1answer
168 views

HTTPS Proxy Everwhere?

I am configuring a HTTPS proxy, which I want to use for my laptop wherever I go. The idea is that since its encrypted, I should be safe from eavesdroppers, even on open wireless networks. Think of it ...
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3answers
3k views

How can I control the content of the HTTP HOST header in requests issued from my website?

Is anyone familiar with a way in which I can post a link on my website, that when accessed will cause users to issue an HTTP request to a 3rd party site with custom content in the HOST header ...
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1answer
101 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? ...
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1answer
194 views

Anonymous access over SSL

I am using a paid VPN service and I just realized IP privacy does not exist at all when the connection is made over SSL. If I Google "what is my ip" using the HTTP version of Google, it will give me ...
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1answer
190 views

Securing communication

The problem: I have an open-source client (a Firefox add-on written in JavaScript) and a server containing somewhat sensible user information: username and user history (all from YouTube). The client ...
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2answers
134 views

Is the lack of https reason enough to abort form submission?

Preamble: Am in awe about the quality of both questions and answers on https / SSL on this site. My humble question below pales in comparison. Both on professional and amateur websites I've ...
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1answer
119 views

Do I need an SSL Certificate for a HTTP only site?

The cert for our public facing site is about to expire soon. Our site is entirely http. The site runs on SharePoint, and with SharePoint working with NTLM, the credentials that are passed over the ...
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1answer
137 views

HTTP Status Codes - security considerations [duplicate]

I am designing an authorization framework and now I am thinking about the error codes which I should return when someone is trying to access a resource and he doesn't have the required permissions. ...
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2answers
548 views

Why don't more websites implement Perfect Forward Secrecy?

From what I understand, all it takes to enable PFS on a webserver is adding ephemeral cipher suites (ones that use DHE and ECDHE for the key exchange) to the list of cipher suites used in SSL/TLS ...
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3answers
188 views

HTTP/HTTPS on the same site

Suppose a site allows connection to be established with HTTP or HTTPS .If you establish a connection to http://www.example.com or https://www.example.com then all further link's on the page displayed ...
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1answer
251 views

CAPTCHA Bypassing with Captcha Clipping Attack is Like MiTM between servers, Is that even Possible?

Sorry if this is a very amateur question. I was checking out some article regarding CAPTCHA bypassing. And I though this article seemed interesting ...
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1answer
247 views

Can closing port 80 lead to more security?

If a website is running on HTTPS only, is it reasonable to close port 80 of the web server and only leave port 443 open? Does this action provide more security for the website?
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1answer
108 views

Service TO Service Authentication & authorization [duplicate]

I have two web services A and B the requests between those services is http. I want so establish a secure connection between service A and service B to ensure the authorized and authenticate request ...
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2answers
668 views

How to encode letters in multipart/form-data to include CR/LF characters?

Part of HTTP request that should be sent to server with Content-Type: multipart/form-data; looks like: ------WebKitFormBoundaryQ7KGYev31biaJTW8 Content-Disposition: form-data; name="subject" ...
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1answer
1k views

Identify an HTTP scanner from some HTTP headers

My personal Apache server occasionally gets some pretty obvious scans for vulnerabilities. The client that does the scanning does GET HTTP/1.1 methods on a variety of URLs, and uses a variety of ...
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1answer
1k views

Mixed content - stylesheet being blocked because of a querystring parameter?

I've just run into a scenario where a stylesheet was being blocked on a secure payment page. The stylesheet was loaded like so: <link href="/CSS/all.min.css?v=2" rel="stylesheet" type="text/css" ...
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2answers
94 views

How does HTTP Basic Auth persist across pageviews?

I am familiar with the basic workings of HTTP Auth, but how does it keep track of authentication between page views? I see there is no cookie created when the initial authentication takes place.
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1answer
70 views

Secure end-to-end when part of conversation must be over HTTP

We have a situation where a user's identity can be verified as follows: the network provider knows the identity of the user and injects secure headers into the HTTP request, which our servers can use ...
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1answer
553 views

Should Access-Control-Allow-Origin need to be domain specific

Infosec has recommended us to use this header : Access-Control-Allow-Origin:http://domainA.mycompany.com,http://*.mycompany.com But I also own domain : http://domainB.mycompany.com So, if i just ...
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1answer
41 views

How could a comments plugin be securely loaded from domains people are already logged into?

The fundamental idea is to load a blog comments plugin (like Disqus) from a domain someone is already logged into to save users time and increase engagement. I like the facebook comments plugin ...
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1answer
1k views

How to enable a http post form penetration test?

I don't get the correct results and I'm not sure what I'm doing wrong: $ ./hydra -l admin -x 3:9:a http://localhost http-post-form "/admin/login:j_username=^USER^&j_password=^PASS^:failed" -s ...
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1answer
71 views

How to pass an email address securely to a web application X embedded inside a web application Y

The scenario I'm trying to address is this: There is a web application Y which has an authenticated user. Inside Y, web application X is hosted (which belongs to a different domain). When X is ...
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1answer
418 views

What is the attacker trying to do? (maybe just spam my form) [closed]

I have a PHP-included form that tells me the URL the customer was visiting when they fill it out. The content of the message was either jibberish or poorly handled by the form. (it looked mostly like ...
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1answer
371 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 ...
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0answers
23 views

Fetching remote content in PDF files [on hold]

Does there exist a commonly supported way for PDF files to fetch remote content like images? I understand AdobeReader supports javascript but I was wondering if reading PDF files in other pdf readers ...
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2answers
55 views

Safe to use setuid with absolutely no input?

I have a shell script which syncs some files from a remote source and I have a pretty typical HTTP server set-up. There is a user who owns the files served by the HTTP server and a user which runs the ...
0
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1answer
86 views

Publicly Available API + Sensitive ID/Key Transmission Over HTTP

I've run into a predicament... I'm developing a mobile application that utilizes a server for various things. One portion is that it stores an id/key pair related to accessing and processing ...
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0answers
337 views

Testing Basic Authentication with ncrack

I'm conducting some basic pen testing against a page protected with Basic Authentication. I've sucessfully tested with Medusa and Hydra but am struggling to get the syntax correct for ncrack. the ...
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1answer
74 views

Sending GET requests to non-servers?

I ran a couple of wireshark runs for my computer and noticed inbound GET requests. Is it legitimate traffic for there to be GET request traffic inbound to my home computer if my home computer isn't a ...
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0answers
91 views

Will http only cookie work while using chrome bandwidth saving feature in Android?

I am developing a site which uses http only cookies for authentication. By design[w3 standard] these cookies are XMLHttpObjects and will only be submitted to the domain they originated from to prevent ...
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1answer
433 views

Intercepting HTTP requests from a Java Application [duplicate]

I was wondering if anyone knew of a way of capturing and modifying the requests sent out by a Java application over HTTP. I can see them in Wireshark, but I also want to be able to modify them in ...
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2answers
1k views

Strange 400 requests in webserver nginx logs (possible exploit scan?)

It's one of the logged by nginx webserver requests: ‹\x11Г»=џ&gьµЈБЈx¬ёђАЙхPЙuN0жЫ¶@Oc[ќЮmћC”Ь™\x04»c/‹\x1F or ...
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1answer
2k views

How can I avoid sending passwords in plain text when logging into a website?

Suppose that I login to a website. When I type my personal data, aka, password and email, the password is sent in clear text to the server, correct? Then, a network card in promiscuous mode can ...
-1
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1answer
824 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 ...
-1
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4answers
523 views

Secure communication between server and client [duplicate]

I'm writing some security software, and don't want anyone to be able to intercept data as its passed from client->server, and server->client. The best way to do this is over HTTPS via SSL. However, ...