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 ...

learn more… | top users | synonyms

1
vote
1answer
36 views

How do you identify a website's form-type?

How do you know which attack method to use when using software like thc hydra, brutus, etc? e.g. http-get, https-get, http-form-get, http-form-post, etc? For example, for sites like Yahoo, Gmail, and ...
1
vote
2answers
56 views

How to prevent attacks before HSTS is established for the first time? [on hold]

What is the best way to accomplish this and prevent attacks like SSL Strip?
-1
votes
0answers
19 views

How do you identify a websites form-type? [on hold]

How do you know which attack method to use, http-get, https-get, http-form-get, http-form-post, etc. etc.?
0
votes
1answer
48 views

HTTP Status Codes - security considerations

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. ...
0
votes
0answers
19 views

Equivalent of data:text/html,foo but starting with http:// [closed]

Is there a way to hardcode HTML data directly into a link starting by http:// ? Like using a special local ip on a weird port that would echo the URL or something ? The idea here is to store a HTML ...
0
votes
2answers
150 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 ...
2
votes
2answers
89 views

How to prevent popping up a login dialogue using a malicious hotlinked image and HTTP Basic Auth header?

While using Firefox to browse my forums, I noticed that a malicious user posted an image (via hotlinking, not by uploading to my server) with the extension .png which complies with the forum rules ...
-1
votes
1answer
36 views

Detect xss from httprequest and response

I scanned my site using a tool that detects xss vulnerabilities. As a result, the tool generates a report that contains httprequest and response of vulnerable pages. Now my question is how this ...
1
vote
2answers
51 views

How Web-proxy and Virtual-Hosting are complications for HTTPS?

While studying HTTPS and related transport layer security protocols(SSL/TLS), I came to know that HTTPS suffers from two complications - Web-Proxy and Virtual-Hosting. I can understand how ...
1
vote
3answers
106 views

Does http support encryption without https (like STARTTLS)?

Does http support encryption without https, akin to STARTTLS in smtp? This may sound like a stupid question, but just think about it. Banks require strong encryption, and cannot do business without ...
0
votes
3answers
116 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 ...
3
votes
5answers
181 views

Free SSL Certificate when encryption is needed and not trust?

My understanding is that SSL certificates are expensive because you are paying a 3rd party to vouch for your identity, and apparently the most secure form of trust is the trust you have to pay for. ...
3
votes
3answers
174 views

If an attacker has the ability to modify data transferred over an Internet connection, can he or she affect TLS?

Now that Google, Twitter, and some other sites require a TLS connection to access their sites, when you go to http://www.twitter.com it redirects to https://www.twitter.com/. If an attacker had access ...
2
votes
4answers
212 views

Why aren't we all compromised on the internet?

Well, I've been thinking about this for a while now. Within the last decade, we've used various ways to make our websites look dynamic and live. For example, in JavaScript, it's quite easy to send ...
0
votes
0answers
21 views

OAuth 2.0 - Why does the authorization server return 400 instead of 401 when the resource owner credentials are invalid? [migrated]

When using a Resource Owner Password grant type, it appears that an authorization server should respond with an HTTP 400 (Bad Request) status code if an access token could not be granted due to the ...
1
vote
3answers
142 views

Https forms on tens of domains

What is the optimal way (cost-wise, too) to secure page forms (https) on a large number of domains&subdomains? Are certificates required for all domains? Is putting all the page forms on a single ...
2
votes
3answers
100 views

Is it secure for a site to serve the login page with HTTP, but have the actual site in HTTPS? [duplicate]

On some websites, the login page (where you enter your login details) is served by a regular HTTP connection with no encryption. However, once I login, the page immediately switches to a secure HTTPS ...
0
votes
0answers
24 views

Confusion in use of port number and http [migrated]

When we make a request a page from a server, the request by default goes to port 80 on the server that is the http server. Why do we then type http before the path of a resource. If the request is ...
1
vote
1answer
76 views

Suspicious http requests in my logs: *.html/RS=^

I see some strange (suspicious?) http requests in my webserver. Example: 192.161.x.x - - [14/Mar/2014:21:55:36 -0300] "GET /ce/c02i.html/RS=^ADAD3F3nOTvuESWLtAiP39aTQZiSRQ- HTTP/1.0" 404 881 ...
0
votes
1answer
83 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 ...
33
votes
5answers
4k views

Why do some websites enforce lack of SSL?

When trying to visit https://www.ebay.com, I noticed that I get redirected to HTTP immediately. Here's what cURL says about that: $ curl --max-redirs 0 -v -L https://www.ebay.com * Rebuilt URL to: ...
2
votes
1answer
33 views

Danger of having my website make arbitrary web requests

I'm setting up a small code-hosting web site, in the vein of github or bitbucket. I would like to allow users to specify an arbitrary URL from which my site's server will initially clone their ...
8
votes
1answer
137 views

How to force “expensive calculation” when clients connect to my server?

Page 183 of Secrets & Lies on countering denial-of-service attacks: Some researchers have proposed defenses that force the client to perform an expensive calculation to make a connection. ...
0
votes
1answer
28 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 ...
1
vote
1answer
75 views

Legitimate use case of man-in-the-middle attack for DPI?

I am working on a device that should sit between the end-user and the server, and that will do deep packet inspection. It is basically a parental control node. This device will be sold to the user, so ...
1
vote
1answer
60 views

Can I reliably identify Apple devices that have not patched against the gotofail vulnerability based on user agent string?

The title pretty much says it. Do the security patches to address the gotofail security issue in multiple Apple products employing SSL change the User Agent string for the respective systems? And, of ...
0
votes
2answers
66 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 ...
0
votes
1answer
32 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 ...
0
votes
2answers
225 views

NGINX Hacking Attempt

Every time I start my test-server and let it run for some days I get this in my log-files (in different variations): 111.241.26.165 - - [18/Feb/2014:22:16:45 +0100] "\x04\x01\x00\x19\xCBER!\x00" 400 ...
0
votes
1answer
152 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?
1
vote
1answer
479 views

Authenticating Users from Android with PHP Webservice

Im creating a simple Android Application,which requires reading and writing values to the cloud.I intent to use PHP for the webservice. But im little confused over the authentication scheme.I intent ...
1
vote
0answers
66 views

Is my approach to anonymous certificate based HTTP(s) authentication and secure private messaging sound?

I'm trying to work out a somewhat anonymous secure messaging system, and was hoping someone could validate my overall approach. Keep in mind, this all takes place over HTTPS. Authentication While ...
1
vote
1answer
67 views

HTTP security headers on non HTML (images, JavaScript, etc)

Let's say, the HTTP security headers below are applied to all HTML pages of a site: HTTP Strict Transport Security (HSTS) X-Frame-Options (XFO) X-XSS-Protection X-Content-Type-Options Is it OK to ...
1
vote
2answers
235 views

POST over HTTPS “secure enough” for sensitive data?

I'm wondering if to prevent the possibility of a compromised SSL certificate leading to the potential for sensitive information disclosure if it might be prudent to further encrypt data being passed ...
-1
votes
4answers
143 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, ...
1
vote
1answer
71 views

Is it dangerous to sync my data with my personal server through unencrypted http?

Since Apple force iPhone users to use iCloud to sync contacts & calendar, I moved to a local ownCloud instance that works well. However, it would be more convenient if I could sync everywhere and ...
1
vote
2answers
183 views

Actually, isn't it bad to redirect http to https? [duplicate]

I have a two-part question about question #570288 over on ServerFault. Question: Is it bad to redirect http to https? Accepted answer (185 up-votes): [...] Hell no. It's very good. Part 1 ...
0
votes
1answer
108 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 ...
2
votes
1answer
85 views

In Same Origin Policy, why are different protocols considered a security violation?

I can understand why content from different domains is considered to be unstrusted for the same origin policy. But, how can be content from diferent protocols from the same site/domain be dangerous? ...
1
vote
0answers
309 views

BruteForce on Hydra (Usernames or Password with Special-Chars), letter “Ñ”

I use Hydra with the Web-Form (Http-Post-Form); and I'm trying to use a list of Usernames when some of the nicks contain a letter ñ. For example I have the following account in my list: Username: ...
2
votes
2answers
225 views

Should login pages be cacheable?

I'm considering the relative benefits/disadvantages of making a login page cacheable. Note that here I'm referring to the page containing the form into which the user enters their username and ...
1
vote
1answer
88 views

Indirectly relaying intranet server to outside world

I have an internal network of IP network cameras. The feeds from these cameras are ingested by a single server and presented from a unified web interface both internally and to the outside world (both ...
0
votes
1answer
102 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 ...
1
vote
1answer
109 views

Anomaly detection in HTTP REFERER

I'm trying to put some anomoly detection in place and I'm looking at referrer data (I know that this is optional, and can be fudged in some circumstances). But I'm seeing too many cases of what I ...
0
votes
1answer
272 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 ...
1
vote
3answers
106 views

Is data exposed in a CSRF attack?

I am wondering wether a CSRF attack, will disclose the information being sent back in a GET request. I need to send a social security number out, to the client a few times, and it is NOT anyone else ...
0
votes
2answers
318 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 ...
1
vote
3answers
128 views

DDOS slow-http attack prevention

I am often getting DDOS attack from multiple IPs with simple HEAD requests. There are around 30 unique IPs creating such attacks. 201.230.167.68 - [05/Jan/2014:00:19:19 +0530] "HEAD / HTTP/1.1" 301 ...
1
vote
1answer
71 views

Are HTML Components (HTC) files a potential attack vector?

I'm working on a site that has a higher-than-normal concern for user security. I've recently been working on some CSS issues with older versions of IE (we support 7 and higher) and found that an easy ...
1
vote
2answers
137 views

Identify users accessing hidden link in a website

Recently I put some hidden links in a web site in order to trap web crawlers. (Used CSS visibility hidden style in order to avoid human users accessing it). Any way, I found that there were plenty of ...