Tagged Questions

-1
votes
1answer
76 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 ...
4
votes
1answer
138 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 ...
5
votes
3answers
238 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 ...
3
votes
7answers
505 views

Is it compulsory to have https on e-commerce site?

I saw that some e-commerce scripts can also run without ssl, but everyone recommends to activate it to protect sensitive data. I just saw a site that has an e-shop link, if i click it my browser says ...
1
vote
1answer
92 views

Following redirects from HTTPS to HTTP - Secure?

So I have an HTTP client which supports HTTPS. However, it doesn't follow the HTTP spec recommendation for redirects on POST(which is to ask the user before redirecting) This means, in theory, if you ...
2
votes
1answer
421 views

How does DHE-RSA-AES256-SHA compare to RC4 as the Cipher for SSL?

I read a lot of issue [1] currently stating that RC4 is broken and is at risk. I just checked my web server (nginx) and it is using the default settings, which is DHE-RSA-AES256-SHA How does this ...
1
vote
1answer
133 views

Web Applications (http): Don't get how token based authentication is secure

See something like this: http://stackoverflow.com/questions/10826293/restful-authentication-via-spring/10864088#comment21706215_10864088 Or more specific: Token-based authentication - Securing the ...
2
votes
2answers
73 views

Actual issue? Phone switches from 3G to router makes session switch from https to http

I heard that a security issue exists in some cases when a mobile phone has: Connected to a website via https via 3G Connects to a router I'm told that that in this particular scenario the router ...
8
votes
4answers
382 views

Can URLs be sniffed when using SSL? [duplicate]

I know that http requests can be sniffed, so sniffer can see the requested URL from the victim. So 2 days ago I my bank made me a web-account to see, send money etc... The thing I saw is my session ...
-3
votes
2answers
95 views

Cannot use HTTPS or download stuff from sourceforge with a mac, what kind of soft does that? [closed]

I'm at a public library (france). I have a http library login to access that wifi. I just want to download some SFML zip to make some app, but many things are blocked, mainly https. I can't even ...
2
votes
2answers
241 views

How does Chat monitor work,if we use encrypted service like gtalk

i have heard that there are software like this http://formessengers.com/mdetect.htm that monitor Chats and can see the chat logs,but how do these kind of software work if we are using services like ...
7
votes
2answers
86 views

Can other customers on shared hosting see requests from/to my site?

I installed a wiki on my shared webhosting (using Apache) account. This wiki is set to private (no read/edit/create rights for unauthorized users) and I'm the only one with an account. The wiki ...
0
votes
1answer
110 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 ...
0
votes
2answers
162 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. ...
3
votes
1answer
207 views

Is HTST (Strict-Transport-Security header) for HTTP or HTTPS?

Is the Strict-Transport-Security header intended for HTTP or HTTPS? What I mean is, do I respond with this header on a HTTP connection which in turn tells the browser to use HTTPS only from that point ...
2
votes
2answers
219 views

“Don't serve content over HTTP” - what does this mean, exactly?

In doing some research regarding SSL, I came across this topic. One of the common suggestions was not to serve content over HTTP. What does that mean from a website development POV? Referencing ...
83
votes
8answers
4k views

Attacking an office printer?

I did an nmap scan on an advanced office printer that has a domain name and is accessible from outside the corporate network. Surprisingly I found many open ports like http:80, https:443, and ...
19
votes
4answers
1k views

Manually adding 's' to 'http'

I did a Wireshark capture of my login into a drupal-based website. The website does not use https. And so, quite obviously, I was able to capture my username and password in plain text by simply ...
8
votes
4answers
476 views

How secure is HTTP / HTTPS over 3G?

Suppose I log into a website, such as Twitter, from a 3G-enabled smartphone or similar device. How secure is this from interception? Can someone steal my password or login? What if I use HTTPS? What ...
5
votes
5answers
249 views

HTTPS vs. HTTP - Is there a security reason for HTTPS for a site that only does Facebook login? [duplicate]

Possible Duplicate: What are the pros and cons of site wide SSL (https)? I am working on a site where all authentication is via facebook oauth2. I'd consider the nature of our content to be ...
2
votes
2answers
191 views

HTTPS Sensitive Information and Caching

I have a website where I need to share a sensitive key with the user. Of course, I'm using HTTPS on the page. The key is put into the HTML server-side in ASP.NET. My concern is, if the user's computer ...
7
votes
4answers
1k views

Where does SSL encryption take place?

I checked the data transmission of an HTTPS website (gmail.com) using Firebug. But I can't see any encryption to my submitted data (username and password). Where does SSL encryption take place?
20
votes
2answers
3k views

Why is it possible to sniff an HTTPS / SSL request?

I'm new to the realm of HTTP requests and security and all that good stuff, but from what I've read, if you want your requests and responses encrypted, use HTTPS and SSL, and you'll be good. Someone ...
3
votes
3answers
344 views

What is the actual security of this login page?

Please visit https://devforums.apple.com If I visit this site using my Safari 6 web browser, this page does not show the normal security indicator that secure sites normally show. Does this ...
18
votes
4answers
1k views

Why aren't application downloads routinely done over HTTPS?

We all know we should be using SSL whenever we collect passwords or other sensitive information. SSL provides two main benefits: Encryption: The data can't be read by a middle-man while in transit. ...
5
votes
3answers
983 views

HTTP Basic auth password storage more secure than Digest auth

If you are using SSL already, it appears Basic auth is the way to go since you can perform bcrypt with the password when you store it in the database, where as Digest auth only allows md5. As we know, ...
3
votes
3answers
544 views

Is a company website secure against sslstrip if it doesn't use ssl on homepage but ssl everywhere else?

Most ecommerce websites use SSL/TLS when you want to log. But most have homepage using http only. Is it enough to have SSL/TLS on login page and logged page to prevent sslstrip ?
2
votes
4answers
211 views

Should links to images contained in emails be secure?

We are generating emails which contain links to images: our client's branding, images showing other products offered by the client etc... What are the security pitfalls if these links in the emails ...
10
votes
1answer
2k views

My understanding of how HTTPS works (gmail for example)

I want to ask if my below understanding is correct or not regarding the HTTPS used for the webpage we are visiting. I will use Gmail as an example: My laptop tries to connect to the Gmail server ...
2
votes
2answers
310 views

Is DIGEST-MD5 secure if done over HTTPS?

If the DIGEST-MD5 negotiation is done over an HTTPS connection instead of HTTP, does that prevent this list of disadvantages from Wikipedia?: Digest access authentication is intended as a security ...
0
votes
1answer
253 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 ...
2
votes
2answers
339 views

What if a browser does not understand the secure flag of cookie

I have two questions related to the same: 1 - As 'Httponly' attribute is understood by a set of modern browsers (https://www.owasp.org/index.php/HttpOnly#Browsers_Supporting_HttpOnly), I was ...
2
votes
5answers
662 views

What are practical risks of http (not https) in server-to-server communications

What are some of the practical risks that come with a server-to-server connection over http (not secured with https/SSL)? There are no users involved, just a B2B connection from one company to ...
5
votes
2answers
3k views

How to thwart sslstrip attack?

I need help understanding the dynamics of an sslstrip attack. I'm using it to test the security of a site that I own. I can successfully sniff the victim (in this case, myself) credentials over the ...
2
votes
2answers
245 views

HTTP + HTTPS + One Time Pad/stream cipher

I'm designing a web application where users will exchange short messages with the server very frequently (for instance, a few characters every second). I want the whole communication to be ...
3
votes
3answers
569 views

How to roll my own security mechanism - avoid SSL

i'm looking at implementing my own security mechanism rather than using ssl due to ssl being 'hopelessly broken' http://www.theregister.co.uk/2011/04/11/state_of_ssl_analysis/ and also because it is ...
2
votes
3answers
662 views

HTTPS Apache2 Information Leakage

Hello IT Security! I have Apache2 vhost with HTTPS listening on port 443, ie. https:// securesecret.com. I have another vhosts with HTTP listening on port 80, ie. http:// one.com, http:// two.com. ...
2
votes
2answers
729 views

Secure SSL Session from losing itself into unsecure http

I've seen some implementations of HTTPS SSL and, as a visitor, forced to rely to a lot of those. What would a secure implementation look like and where can one expect problems? I expect the installer ...
4
votes
4answers
2k views

Benefits of identifying clients based upon the “X-Forwarded-For” or similar HTTP header in addition to Client IP

The X-Forwarded-For header is used by some HTTP proxies to identify the IP address of the client. The wiki page (linked above) mentions that ISPs may use this header as well. In addition there are a ...
1
vote
3answers
3k views

Facebook login on HTTP? [duplicate]

Possible Duplicate: Is the Facebook login form using SSL without https in the URL? If you access http://www.facebook.com/, in the top right side there is the login section. You can enter ...
2
votes
7answers
368 views

How can http data be compromised on a secure network?

I understand that it is bad to send passwords in plain text over the wire because somebody can look at it and clearly steal your information, and that the solution is to use HTTPS because the ...
6
votes
1answer
383 views

Inconsistencies found in OpenID Provider's HTTP Headers. Which one is the most secure that I should imitate in my STS, and Relying Party?

I'm comparing the HTTP headers of the various providers (LiveID, Google, Yahoo, etc) and notice a broad inconsistency in implementation on the sign in page, sign out page, and subsequent pages. ...
3
votes
1answer
297 views

Should I include a random padding in every HTTPS request and response?

According to the following paper, it is possible to decrypt HTTPS traffic by inspecting AJAX calls and using the size parameter as a cryptographic oracle. Should I be sending a variable length ...
5
votes
4answers
3k views

How do the processes for digital certificates, signatures and ssl work?

I have been trying to understand how ssl works. Instead of Alice and Bob, lets consider client and server communication. Server has a digital certificate acquired from a CA. It also has public and ...
9
votes
2answers
2k views

Are there any statistics about webservers and browsers TLS support?

From Hackers break SSL encryption used by millions of sites: The vulnerability resides in versions 1.0 and earlier of TLS, or transport layer security, the successor to the secure sockets layer ...
2
votes
2answers
629 views

SSL verification of host name of https server

I recently found that a library I am using (specifically Apache HTTPClient) when is configured to verify the hostname of the remote server against the certificate's CN it just seems to be doing a ...
2
votes
1answer
472 views

Is it possible to secure a web app without HTTPS? [duplicate]

Possible Duplicate: Can you secure a web app from FireSheep without using SSL? Think of a typical web application where the users log in, and then the session is kept with a session key. Is ...
23
votes
5answers
1k views

Why is HTTPS not the default protocol?

Why is HTTP still commonly used, instead what I would believe much more secure HTTPS?
18
votes
8answers
7k views

Can my company see what HTTPS sites I went to?

At work my company uses internet monitoring software (websense). I know if I visit a https ssl-encrypted site (such as https://secure.logmein.com) they can't see what I'm doing on the site since all ...
34
votes
7answers
9k views

Is BASIC-Auth secure if done over HTTPS?

I'm making a REST-API and it's straight forward to do BASIC auth login. Then let HTTPS secure the connection so the password is protected when the api is used. Can this be considered secure?