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

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2
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2answers
76 views

OpenSSL SSL enabled client application, server verification?

I am writing an OpenSSL SSL enabled client application which connects to a Google server. I have the SSL working and I can monitor the traffic and see that it is definitely encrypted. I am using ...
1
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1answer
58 views

What's the advantage of TLS-SRP over self-signed certificates?

According to http://security.stackexchange.com/a/2531/5002 TLS-SRP allows one to authenticate a client or server without third-party certificates because it uses a shared secret. If you're going to ...
27
votes
7answers
3k views

Does it matter which Certificate Authority I source my SSL Certificate from?

To secure my web site with HTTPS, does it matter which company I source my SSL certificate from, or just that the browser recognizes it? From the Area51 proposal.
1
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0answers
51 views

Are any major websites offering ECDSA authentication?

At the time the Cloudflare blog post “ECDSA: The digital signature algorithm of a better internet” was authored, Cloudflare was apparently one of "fewer than fifty" users of ECDSA certificates on the ...
0
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1answer
495 views

RESTful web service and SSL certificate

We have a server that provides RESTful services to our application server. It runs on Amazon Elastic Beanstalk and mapped with a domain name and SSL certificate registered at GoDaddy. It ran ...
1
vote
2answers
61 views

SSL security display

Why does Firefox not display the SSL logo when viewing secure sites, i.e. sites with Https? It used to display at the bottom of teh browser window previously but i just notices that that bottom ...
3
votes
3answers
1k views

SSL VPN Detection and possible to block

Is it possible to determine the difference between a VPN on port 443 compared to standard SSL traffic? In order to access SSL websites you need port 443 open but if you setup a VPN Service on port ...
0
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1answer
65 views

Is session-passing safe?

I have a php and nodejs server. User logs in on the php backend, and, when entering nodejs, the php SID cookie is being passed through a websocket. I further take the session ID, find the session file ...
0
votes
2answers
45 views

SSL reconstruction with missing part

I know that it's possible to decrypt a sniffed SSL session even when some packets were lost during the capture. I run some tests with wireshark and I saw that it's still able to decrypt part of the ...
5
votes
2answers
1k views

Why is NIST removing & not updating TLS guidance? What is the replacement?

The document NIST Special Publication 800-52 Guidelines for the Selection and Use of Transport Layer Security (TLS) Implementations was retired without superseding it with a newer document. In ...
0
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3answers
131 views

Encryption and Layers understanding

If I'm right the SSL encryption take place in the application layer, but we can also have encryption in the Internet Layer. Why are we using both, and why sites that doesn't have SSL are considered ...
7
votes
3answers
192 views

According to RFC 5246, are nonces in TLS useless (in terms of security) and if yes, why aren't they only random data?

I know the common usage of nonces in security (which is well described in this topic). However, when checking the SSL/TLS protocol, we can notice, according to the RFC, that nonces as ...
1
vote
1answer
130 views

Is this a security breach?

I read in an article that if the request is authenticated or secure (i.e., HTTPS), it won’t be cached. But in https, burp has reported an issue stating http response is as follows: Cache-Control: ...
1
vote
2answers
335 views

Best way to set up SSL certificates for consuming web service from Azure

I need to purchase and install the correct Verisgin SSL certificate(s) (X.509) on Azure. I have never done this before and would really appreciate some advice on how to go about it and what is ...
6
votes
3answers
1k views

Why can't we do MiTM attacks when using secure connection

I have this silly question that is bothering me. When not using secure connection (HTTP for example) cookies can be intercepted and used to connect to the site as if we have the id and password. We ...
2
votes
2answers
108 views

security via chsh

I am developing a program that I want people to be able to connect to and use via ssh. I've decided a simple way of doing this would be to create an account for them on my linux server, and change ...
0
votes
1answer
115 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 ...
0
votes
2answers
126 views

Heartbleed: revoke or replace ssl certificate?

I have a free ssl certificate issued just before Heartbleed was found. Now my CA wants me to pay 25$ to revoke it. Should I pay or it's just enough to create a new certificate from another CA an ...
3
votes
3answers
1k 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 ?
3
votes
3answers
215 views

User agent information from HTTPS flow

We are categorizing the network traffic, like determining if it is Facebook, Yahoo etc... Now I have been asked also separate mobile devices (like iPad, Nexus, iPhone). It is easy to do that in HTTP ...
3
votes
3answers
737 views

Self signed certificates for https

Where I work, currently for internal sites, self signed certificates are being used. In Firefox, the info regarding the certificate are displayed: site domain: example.com Owner: Site doesn't supply ...
3
votes
2answers
372 views

Why do we need WTLS?

Please excuse my probably gross misunderstanding of how all this works. I just started reading SSL & TLS Essentials by Stephen Thomas, and in chapter 1 he talks about how TLS is a separate ...
2
votes
2answers
186 views

Is HTTPS as secure or more secure than SSH if both have an IP address whitelist?

I'm wondering whether an HTTPS API endpoint would be as secure as or more secure than SSH. API Endpoint The API endpoint would require HTTPS The API authentication would use a POST'd API key. The ...
1
vote
1answer
241 views

IE11 on windows 8.1 and ssl fallback

I'm having problems with SSL certs and my SSL accelerator. I have a Sonicwall SSL-R and it only supports SSLv2, SSLv3, and TLS1.0. I have it configured to decode SSL with SSLv3 as the TLS1.0 ...
8
votes
2answers
320 views

Why is there no Domain CA?

I was asked to deliver a signed SSL certificate for an IIS server for a client. I have previously done this for the same client/domain before, so it start to seem like an unnecessary expense to hold ...
1
vote
2answers
50 views

SSL encryption work only in content?

Can SSL encrypt the relative path I would like to visit in a site? If I would like to make a login system with GET instead of POST, can SSL encrypt the part "?username=user1&password=pass1".
3
votes
1answer
104 views

SSL/TLS version switch over reason

I'm studying the SSL/TLS protocol, more specifically its handshake. I know that initially, a client sends a Client Hello message to the server which includes the TLS version supported by the client. ...
2
votes
2answers
91 views

Encrypt and Authenticate localhost-traffic?

I have some app-components on the same machine but in different languages which need to communicate. I am using socket communication over localhost to do so. The data transferred is confidential. ...
1
vote
2answers
67 views

A doubt in certificate chain validation and revocation checking

So when i do a tls handshake with the server, it responds with a cert chain which the browser verifies and which ends at a trusted root CA. In this the browser checks if the cert presented by the ...
1
vote
1answer
119 views

What is the advantage of buying an SSL certificate from the CA rather than a reseller?

I am trying to do some research on SSL certificates, and I've come across a number of reseller sites such as GoGetSSL, which offer certificates at much lower prices than what you would pay if you ...
2
votes
1answer
128 views

TLS v 1.1 vulnerabilities

My question concern TLS : What are the main vulnerabilities of TLS v1.1 ? Actually, none RFC describes v1.1 vulnerabilities, neither what pushed them to change to the new protocol 1.2 except ...
1
vote
2answers
606 views

Why do I need a certificate to pin an SSL connection with AF Networking 2?

I am using the AF Networking 2 library and read that I need to include the server's certificate here. The client should be able to tell that the certificate is valid when it connects to the server, ...
1
vote
2answers
1k views

Is it technically possible to configure two different SSL certificates for the same domain?

Say I have these URLs: https://example.org/ https://example.org/criticalpath And I want that the first one to be served with a domain validated commercial SSL certificate and the second one with ...
4
votes
2answers
531 views

Adding a SSL builds trust with technical clients? [closed]

Please note: A majority of this question is based on the facts that a lot of my members and I are one step from being tin-foil hats. If you continue to read and answer this question, please remember ...
0
votes
2answers
50 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 ...
4
votes
1answer
150 views

Is it a security risk for users not to logout of a website?

Is it a security risk to myself that I am not logging out of Twitter, Facebook, StackExchange, and a majority of the sites which I am using? Is there a chance for someone to hijack my session or cause ...
0
votes
0answers
40 views

Strange Finished Message in TLS

I've tried to understand the content of the Finished Message of TLS. I'm using wireshark to capture the traffic between my browser and the internet. I noticed a "stangeness" when the chosen ...
3
votes
1answer
91 views

SSL protocol paper “Investigations about SSL”

In several papers, I see the quote of the following security paper, which concerns SSL: EADS Defence and Security Systems SA. Investigations about ssl. ...
11
votes
2answers
1k views

Is Apple's push notification service implementation vulnerable to a MitM attack

Recently(more info) I've spotted a strange message in the logs on my quite recent, fresh installation of OS X Mavericks 10.9.2 Apr 27 15:26:47 Ivans-MacBook-Pro.local apsd[194]: Unrecognized leaf ...
69
votes
7answers
25k 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?
6
votes
3answers
472 views

What can a web application developer do to protect user information from powerful adversaries like the NSA or China

Some well funded intelligence services with potentially untrustworthy employees intercept and store encrypted data for years, in hopes of cracking it with future technology. What can I do to make this ...
2
votes
2answers
105 views

On an “uncritical” site, is there any reason to NOT trust a self-signed certificate?

There are many sites that have self-signed ("untrusted" in Firefox) certificates. I then have the option to trust them or not. If I not trust them I can either leave the site or only visit the site ...
0
votes
1answer
147 views

Why do I need to install the startcom intermediate certificate?

I issued my server a Startcom class 1 cert. With no changes on the client, I can access this server via FF without issue. However, when try to validate the certificate via openssl s_client it chokes ...
3
votes
1answer
401 views

How to go about an ssl certificate renewal

I've got an ssl certificate from godaddy, and it's time to renew. I ended up with a single "keystore" file, which I give to my webserver (jetty). This is the process I went through to generate the ...
4
votes
2answers
112 views

What's the meaning of the term “ad-hoc MAC” (Message Authentication Code)?

In SSL literature, I've noticed the use of the term "ad-hoc MAC". I understand the meaning of MAC (Message Authentication Code) and how it works, but what does the term Ad-hoc MAC mean? Note: With ...
2
votes
2answers
112 views

Does the .net mvc/iis stack support whitelists for bidirectional authentication for SSL/TLS connections?

I'd like to limit access to some of my REST api, such that only bidirectional SSL/TLS connections are accepted, where the "other side" matches a detailed, restricted, whitelist. Is this something ...
0
votes
1answer
162 views

Php Session ID, http VS https [duplicate]

So I was doing some tests with the php session ID cookie. I know that data is stored on the server however, a cookie with a unique ID is stored so that the server can recognize the client while ...
1
vote
0answers
163 views

Securing RESTFul WebServices

I am planning to secure my REST Web service (REST WS) using API KEY and NONCE VALUE. The REST WS is over SSL. The Userid / Password is encrypted and sent to Web Application hosting the REST WS where ...
-1
votes
1answer
248 views

RC4-MD5 vs DES-CBC3-SHA [closed]

We moved to RC4-MD5 as a mitigation to BEAST attack. But our other teams are saying to use DES-CBC3-SHA I want to know if DES-CBC3-SHA is also equivalent secure and mitigates BEAST as well ? Also ...
0
votes
1answer
72 views

Certificate request - why does the requester have to create a private key?

If remember right, then before I send a CSR (Certificate signing request) to the CA, I have to create private and public keys. Then I use the public key to encrypt my personal details before I send ...