SSL (Secure Sockets Layer) and/or TLS (Transport Layer Security)

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2
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1answer
84 views

How does SSL implement server authentication?

I already know the basic concept like public key and private key, the message encrypted by public key can be decrypted by private key, and vice versa, but I just can't understand how client know the ...
4
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3answers
470 views

Burpsuite 1.5 initiating TLS Connection on their IP to Port 443. What is it?

I recently started using a security tool (Burpsuite 1.5) which has a free licence and a professional one. Upon downloading the free one from its vendor web-site (I am using BackTrack), I noticed ...
4
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5answers
241 views

Can SSL requests be proxied by issuing a second certificate?

Alice wants to login to her account at https://www.bobsbank.com/. However she clicks on a malicious link in an email and instead gets sent to the malicious site https://www.charliesbank.com/. The ...
13
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1answer
3k views

How does OCSP stapling work?

I've been looking into OCSP stapling for HTTPS, which looks pretty interesting. From what I can tell, it's essentially a way of offloading CRLs from the CA to the server, allowing for everything to be ...
3
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1answer
320 views

HTTPS form submissions are blocked on corporate networks

We have an HTML form which is submitted via HTTPS. We've noticed that when the form is submitted on a home network, it seems to go through just fine. However, when the form is submitted on certain ...
10
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3answers
4k views

What should I know about SPDY before enabling it?

I've been looking at SPDY for increased performance, particularly with full-site SSL. I understand most of what it does, but I've not had time to go through and do a full review of it. What should I ...
10
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1answer
4k views

Is AES-GCM recommended for SSL?

I'm looking at turning on site-wide SSL for a website I manage, and I'm wondering what the best practices for SSL configuration. I'm not too worried about compatibility with old browsers and more ...
4
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4answers
2k views

Is it possible to create a self signed certificate authority?

Would it be possible to create a legitimate certificate with the CA bit set? I dont have a usecase associated with this, I'm merely curious. To explain my question : Suppose I sign a public ...
15
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2answers
37k views

Difference between .pfx and .cert certificates

What is the difference between .pfx and .cert certificate files? Do we distribute .pfx or .cert for client authentication?
2
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0answers
496 views

SSL Certificate Authentication Issue 403.7

I have been trying to configure SSL for authentication and was unable to resolve this error 403.7 on IIS 7.5 windows 2008r2 vps server. I would like to give access to few computers where client ...
0
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1answer
452 views

Is TLS secure when full eavesdropping on the network occurs? [duplicate]

Possible Duplicate: How is it possible that people observing an HTTPS connection being established wouldn’t know how to decrypt it? Alice connects to Bob's site via a TLS secured connection ...
2
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1answer
2k views

What is the significance of the version field in a TLS 1.1+ ClientHello message?

I am trying to add TLS 1.1 and 1.2 support to a packet capture product which already has TLS 1.0 support. I have used Wireshark to capture traffic between my browser and an openssl server to generate ...
2
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2answers
677 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 ...
10
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1answer
3k views

What changed between TLS and DTLS

What did the DTLS (TLS over UDP) authors have to change so that it could run without TCP? Bonus points: Do any of the protocol difference affect the way it should be used, both in terms of interface ...
0
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1answer
1k views

DrayTek Vigor 2920 HTTPS allowed

In my office we have a DrayTek Vigor 2920 router, with CSM setup to only allow certain keywords (keyword objects) to certain IP groups. This all works fine, however we've discovered that all HTTPS ...
6
votes
4answers
811 views

Is it possible for a third party to sniff data off the line to an ISP and determine what the user is doing?

Can somebody hack the line between my router and service provider and monitor what I'm doing online and what sites I'm visiting?
0
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1answer
445 views

Behavior when validating an expired certificate chain

I have the following situation: A server certificate (CServ) is signed by self-signed certificate (C0) A client certificate (CCli) is signed by CServ Client's trust-store contains C0, so the client ...
3
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2answers
308 views

Should the Keygen element be used to create a certificate for mutual auth TLS? What alternatives are there?

I'm interested in using mutual auth TLS to improve the security of my javascript based webservices . I've looked at the Keygen element and given all its issues, not sure if this can even be used for ...
2
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0answers
251 views

How can Nokia decrypt HTTPS data? [duplicate]

Possible Duplicate: Can real end-to-end SSL encryption be made? Regarding this piece of news, I wonder how can Nokia so easily decrypt HTTPS data? As I understand the data is encrypted by ...
6
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2answers
4k views

Encrypting local HTTP traffic using a self-signed certificate

For the past couple of hours I've been trying to create a self-signed certificate which I'd like to use to encrypt HTTP traffic between computers and a server on my home network (because I'm paranoid ...
3
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3answers
948 views

How do a VPNs route SSL traffic and do they compromise security?

If my understanding of how VPNs operate is correct, all traffic between me and the Internet at-large is routed through the VPN's servers. So an attacker would only be able to see encrypted traffic ...
7
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1answer
2k views

How should I store SSL keys on the server?

I have a Node.JS HTTPS webserver instantiated as follows: var privateKey = fs.readFileSync('./../ssl/localhost.key').toString(); var certificate = ...
10
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1answer
686 views

Is Nokia's “institutional MITM” of SSL traffic vulnerable to CRIME attack?

It's recently been in the news that some Nokia phones proxy all traffic, including SSL connections, through a Nokia proxy. This is effectively an "institutional MITM" attack on users those phones. ...
4
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2answers
204 views

How to verify certificate with very little information

Lets assume there is a server and a client and you want to connect those two. Server has a self-signed certificate, and prior to establishing the connection for the first time (enrollment) the server ...
10
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4answers
1k views

Can real end-to-end SSL encryption be made?

I've read the various questions tagged [ssl] and [mitm] and [proxy] and I couldn't find a duplicate. I've got a very precise question but first I need to give some background. Basically I'm very ...
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7answers
5k views

Should I change the private key when renewing a certificate?

My security department insists that I (the system administrator) make a new private key when I want a SSL certificate renewed for our web servers. They claim it's best practice, but my googling ...
7
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2answers
201 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 ...
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2answers
135 views

BrowserID and HTTPS conflict?

My flask-webapp was utilizing BrowserId. When I tried to extend my app further by redirecting all incoming requests to HTTPS. The HTTPS redirect worked fine but now the login feature results in a: ...
4
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2answers
3k views

Extensions for SSL server certificate

I have some question about the X.509 v3 extensions. What extensions should appear in a proper certificate for a SSL server ?
4
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4answers
1k views

Why would someone want to encrypt RSS feeds?

I heard the idea of encrypting the RSS feeds using public key encryption system from someone and since then I am intrigued by the idea. But then I started to wonder what would be the basic need for ...
1
vote
1answer
2k views

IE on Windows 2012 doesn't show certificate or lock icon despite using HTTPS

Can anyone explain why IE on Windows 2012 doesn't show the lock icon despite using HTTPS when visiting the following site? https://www.microsoft.com/en-us/default.aspx I am able to see the lock ...
0
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1answer
759 views

In SSL/TLS, how is the authenticity of a server's certificate verified?

Quote from an article on computerworld.com: "The private key is used to sign the server's TLS public key, which is currently used by browsers to validate SSL certificates." My understanding ...
3
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4answers
419 views

User-to-user encryption in addition to SSL for mobile phones?

I have learned that SSL is a protocol to implement machine-to-machine encryption and that there are protocols, like PGP, which implement user-to-user encryption (end-to-end encryption). There are ...
3
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2answers
454 views

SSL Bit Length History

Sometimes I see web pages advertising a site's support for SSL with a given bit length (commonly 128), and saying that visitors need certain browsers that support this. Is 128-bit SSL common now, or ...
2
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1answer
464 views

Is one CSRF token per session is adequate with HTTPS?

Ours is a Ajax heavy application with concurrent Ajax requests. Generating unique tokens with each request or expire and creation of new tokens after a certain interval could get tricky with multiple ...
1
vote
1answer
202 views

Implementing Secure Remote Password with Remote Desktop Application

I had read the Secure Remote Password Protocol paper written by Tom Wu. This protocol is resistant to dictionary attacks. I have also go through some papers regarding to VNC attacks due to weak ...
2
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2answers
385 views

Attacks in SSL and SSH

Assume that we have two end-host A and B connected by two routers R1 and R2. A wants to send a large file to B. A decides to establish SSH connection with host B using public key authentication. ...
0
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1answer
173 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
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1answer
127 views

Can IE be made to imitate the behavior of Chrome's KeyGen element?

Is there any way I can repurpose existing ActiveX controls or functionality to get IE to work with the KeyGen element? Assistance getting Safari to work with this optional HTML5 spec would be ...
1
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3answers
1k views

Do client certificates provide protection against MITM?

I'm looking for a way to protect clients from a MITM attack without using a VPN, and ToR. My thought is that client certificates might do the job, but I'm not entirely sure since not too much server ...
3
votes
2answers
447 views

SSL/TLS: Version Change during Renegotiation or Resumption?

Can the version proposed by Client be changed during SSL Resumption or Renegotiation? Resumption Case: In case of Resumption, as I understand, Client will send a Client Hello with the Session ID of ...
15
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2answers
13k views

Chrome SSL Warning: “You cannot proceed because the website operator has requested heightened security for this domain. ”

I'm trying to go to the URL below, and Chrome warns me that the wildcard certificate is not valid for this domain. ...
2
votes
3answers
2k views

Making a Windows cert say it's purpose is “Ensures the identity of a remote computer”

Maybe this is a superuser.com question, I don't know. Anyway, I want my cert to show up like this when I double click on it in Windows: If I just double click on a random cert I get this: The ...
3
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4answers
9k views

how to import a private key in windows

Say I have an X.509 cert and a private key that corresponds to it. I can import X.509 certs easily enough into Windows but what about private keys? Is the only way I can do that by converting both ...
2
votes
2answers
297 views

Forged SSL without installation of root CA, possible?

Consider visiting a secure website like Gmail. Is it possible to forge the website certificate only by having full control over the internet provider? I mean is it practically possible for a provider ...
1
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5answers
242 views

Secure login feature with low CPU power

I'm developing a program that contains a login function in C++. The problem is that I don't know how to develop it in my situation. I want to run the software on a raspberry pi, it only has a CPU ...
4
votes
2answers
148 views

If two endpoints establish a mutual authenticated connection (TLSv1.0) is the medium between the endpoints a concern?

What are the vulnerable areas when two endpoint connect via TLS? Does the physical layer or data link layer a factor of security concern between the two endpoints? Does it matter in terms of security, ...
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3answers
2k views

Capturing and decrypting my own SSL traffic

When I use browser or wget to access another site, some sites will only use HTTPS / SSL automatically. When a site doesn't provide content without encryption, how do I capture what my computer sends ...
0
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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. ...
2
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3answers
3k views

help understanding client certificate verification

I am creating an API that only certain computers should have access to. Communication will be via SSL between the server and the clients. In order to verify that a client has access, I would like to ...