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

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2answers
255 views

Convergence HTTPS - what are the Notary servers?

https://www.youtube.com/watch?v=Z7Wl2FW2TcA What are the "Notary" servers regarding convergence? Who is maintaning the "Notary" servers? Can someone please explain?
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2answers
54 views

SSL certificate expired

Some company was trying to sell me their security system. They said that the SSL certificate was expired on my laptop, which they showed me. They said that I wasn't protected. What are my options?
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2answers
73 views

Effective Free and Anonymous Web Form Encryption

I've got a website and I would like the users to be able to login securely but I don't want to spend any money on SSL / certificates and I would like to stay anonymous i.e. not give the certificates ...
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2answers
94 views

Printer SSL certificates [closed]

Is a printer SSL cert really necessary if you just print? I don't use https for any administration; just http. I got a vulnerability saying that my cert was out of date.
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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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4answers
87 views

Is it ok to send user's private key away, even if protected with a SSL channel? [duplicate]

I'm developing a webserver that performs digital signatures of (xml, pdf and office) documents and then validates those signatures. My idea is: an user puts its SmartCard and through a PIN, he gets ...
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2answers
335 views

Is HTTPS based on a private key on the user side? [duplicate]

Is HTTPS it based on private key on user side? Where does the user get the private key in the first place? Suppose the user gets the private key by downloading a browser (Chrome, Firefox), then ...
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2answers
1k views

Is it possible to intercept https traffic and see the links?

If a site uses https and transfers the customers credit card and ID in the url. Will an attacker be able to intercept those through a MITM attack? And through Sniffing.? Can the packets be sniffed ...
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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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3answers
215 views

Is HTTPS necessary for password change if user has already logged in with HTTPS?

I notice many websites implementing HTTPS for changes in account information even though the user has already logged in through HTTPS and tracked by SESSION. Is this really necessary?
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2answers
798 views

Now that CloudFlare offers potentially-insecure free SSL to all users, would a new HTTP header be useful?

I'm not sure where to post this, so I figured I'd just post it here. CloudFlare is now offering free SSL to all sites. There are two different types of SSL connections, however. There's "Flexible ...
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3answers
150 views

Using client certificate to authenticate an app

I'm building a backend for the mobile app with a public-facing HTTP API endpoint. Despite being publicly visible, this endpoint is only meant to be used by my app, i.e. I don't want people to send ...
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1answer
71 views

Any example where client certification is required? [closed]

There are some optional cases in SSL/TLS where server can demand the certificate of the client. Can anyone give me any example regarding this? Thank you.
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1answer
93 views

Why has Convergence stalled out? [closed]

Convergence is a well-thought out system to replace certificate authorities built by Marlin Moxiespike back in 2011. Since it's debut, it seems to have largely stalled out, with no additional major ...
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1answer
59 views

Advantages of TLS-SRP when the secret must be exchanged online?

I've got some practical questions about SRP when the shared secret must be established online. Is there a way to establish the shared secret online without the use of HTTPS? If you've already used ...
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1answer
143 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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1answer
142 views

Why can't we create a new SSL implementation?

SSL implementations have been discussed a lot lately, due to Chrome's potential of switching off NSS ...
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2answers
192 views

Modifying SSL Certificate once created, Multi domain

We're developing an application that has the ability to run across multiple top level domains, each with its own sub domain. (www.foo.com, www.bar.com, would each point to the same application on the ...
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2answers
225 views

Does a simple mobile REST API need HTTPS?

Let's say I have a really simple mobile app with a server API. For example some kind of Q&A app, where users answer questions to win some points ('Who wants to be a Millionaire' kind of game). ...
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3answers
121 views

Does semi-sensitive information demand encryption / security? [closed]

Since it's been requested that this question be rewritten: Is SSL (or some other encryption equivalent) required in the below case? From a small local business website, is there any damage that an ...
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2answers
768 views

mutual authentication between two clients

I understand how mutual authentication works between a client and a server, however I am unsure how I would be able to get mutual authentication between two clients A and B? What would be the best ...
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1answer
149 views

Average user reaction to SSL certificate error pages [closed]

With the attack on Twitter's whois information today, I got into a bit of an argument about whether or not the SSL certificate error messages that web browsers have will actually do any good to ...
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3answers
944 views

SSL vs TLS, which is less vulnerable to DOS attacks?

When I learned TLS does not allow a connection to be created until it is has finished a secure handshake, i figured that would make it better for preventing DoS attacks. However, all I seem to find ...
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3answers
941 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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3answers
145 views

What organisation(s) is able to recommend a baseline technology set for safe, secure, web browsing?

This is a high level question regarding some recent posts about enhancing web browser security from an end-user perspective. What business/organisation(s) would have: Sufficient technical skill ...
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4answers
83 views

How and why does not having https allow people to trace my browsing habits if at home? [closed]

How can my browsing habits be traced when I am at home on my own local network? Technically how is it done ?
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2answers
121 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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1answer
34 views

Can an end-entity certificate with SHA-1 be issued by an intermediate CA that has SHA-256?

Just curious - if I'm using an end-entity (leaf) certificate that has a SHA-1 signature, does that mean that ALL certificates in the chain also must use SHA-1?
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1answer
80 views

SSL cipher suite: what does “export” mean?

I saw a cipher suite EXP-EDH-RSA-DES-CBC-SHA, EXP stands for export, How do I explain the "export"? What is the different between "EXP-EDH-RSA-DES-CBC-SHA" and "EDH-RSA-DES-CBC-SHA"?
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1answer
227 views

Why is stackoverflow not using HTTPS for all it's page?

Most webpage from stackoverflow use http even if you are logged in. Isn't it a security issue? Could an eavesdropper steal my session and authentication cookie then impersonate me since it's sent ...
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2answers
113 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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1answer
59 views

Can an individual get an extended validation certificate?

I am not saying I am actually going to buy one but I am wondering if an individual can get an Extended Validation SSL certificate? I know this is intended for companies / organisations but would this ...
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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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2answers
406 views

Firefox can import the .p12 format, but that contains a private key? Isnt this a security risk?

Everywhere I go, people tell me the private keys need to be kept away, possibly even locked into a safe then how come Firefox and other keystores expect you to give them a private key? Firefox is a ...
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3answers
160 views

Is it ok to send user's private key away, even if protected with a SSL channel?

I'm developing a webserver that performs digital signatures of (xml, pdf and office) documents and then validates those signatures. My idea is: an user puts its SmartCard and through a PIN, he gets ...
0
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2answers
183 views

understanding and getting over the SSL performance issue

There are many great articles explaining how SSL/TLS works on this site, but I would like to bring in the performance issue. The thing is that I am serving my web content over HTTPS and the SSL ...
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2answers
16k views

SSL Handshake failed

I’m working on windows desktop application which is created using C++ (IDE : Qt creator). It has login panel, where i do user validation via https connection using openssl 1.0 library. Application is ...
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1answer
165 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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2answers
410 views

Google's usage of RC4

I was reading about Google's usage of RC4 and an answer on stackexchange website stated the following: I know Google uses RC4 for most of its services, and this is the reason one shouldn't keep ...
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1answer
227 views

How does the MITM (Man in the middle) attack happen with respect to SQRL

I recently looked into SQRL and was intrigued by its simplicity. At first glance it seemed reliable and its author claimed it was inherently fail-proof against phishing and MITM attacks. But upon ...
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2answers
122 views

How is the key obtained when I login via VPN?

So, I configure my VPN (let say which uses PPTP protocol), enter the server name, username and password. Then, I visit a website. Before that, my request is encrypted using AES with some key. That ...
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1answer
3k views

Why IE/Windows forces you to install self-signed certificates as root CA to make them work?

In old versions of IE/Windows you could install a self-signed certificate for a web site and it just worked: the warnings disappeared. In more recent versions (and with Chrome) this just didn't work. ...
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2answers
858 views

Two-way SSL Performance

We are planning to use 2 way ssl instead of username/password token for authentication. Does anyone know what is the performance penalty for using 2 way SSL?
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1answer
116 views

Implementing secure login for an API

I am implementing a web api with which I plan to authorize access by accepting a username and password and system name and returning a sessionid which can be used on subsequent calls to authorize the ...
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2answers
554 views

OpenID without SSL certificate

Is it wise to use OpenID (from Google or Yahoo) to log-into a website instead of a username+password login if that website doesn't have an SSL certificate installed? Just to make things clear, ...
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1answer
1k 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 ...
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1answer
191 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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2answers
53 views

Sign SSL certificate with root certificate using openssl

I have created a root certificate, My Root Certificate, with a private key, RSA Private Key 1, using the openssl terminal command. I would like to make a certificate chain such as the following: My ...
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2answers
36 views

Why does IP address need to be listed as a DNS name in SAN/UCC certs?

I have heard that when creating a CSR that if you want to validate an IP address that you should list the IP as a "DNS" name and not "IP Address". I have actually had to re-create CSR's like this to ...
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1answer
94 views

sslv3 is still showing in openssl result even after disabling from sslprotocol [closed]

We are trying to disable sslv3 for poodle vulnerability.so i disabled in ssl.conf SSLProtocol -ALL +TLSv1 -SSLv2 -SSLv3 and tried to connect using tlsv1 using openssl command. openssl s_client ...