1
vote
3answers
69 views

Risk in buying SSL cert from non well-know party

Let say I knew a guy is selling SSL cert in a very cheap price, assume they will generate a real and valid cert for me, since I need to submit my CSR to them and they pass to th CA, are there any ...
0
votes
1answer
26 views

Downloading list of pinned certificates

I'm thinking about implementing certificate pinning in a mobile app. The app will need to connect to several secure sites. Rather than having to update the app every time one of their certificates ...
2
votes
7answers
95 views

How can I allow only authorized browsers to access a website?

I have a website and I want it to be accessible only by authorized clients/browsers (ex. with a certficate). The idea is that the users can only access the webpage in their office's computers ...
1
vote
1answer
44 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 ...
7
votes
1answer
75 views

How can I verify if a website revoked its old SSL certificate keys? [duplicate]

Through reading from multiple sources and watching Security Now's How the Heartbleeds, I have come to the understanding that the following procedure is recommended to be safe from the Heartbleed ...
1
vote
0answers
52 views

Is Google Chrome Extension access to SSL certificate validation output possible?

I want to develop an extension which will stop an user from proceeding to any banking site (configurable by user) if a proxy like paros is seating in between sending fake certificate to user. My ...
1
vote
2answers
72 views

SSL cert minimize downtime key rotation strategy

As you already know, due to the heartbleed bug, we need to perform re-keying on our web servers (>10), before I do that, I want to check if my proposed strategy is a proper way or not a. Generate a ...
1
vote
0answers
24 views

Question about the Perspectives add-on, is this dangerous?

When I visited Google and Facebook, and then clicked on the Perspectives add-on button to check the certificate information, I saw this:     What does this mean? Shouldn't it have ...
2
votes
1answer
67 views

Which Browsers support TACK?

TACK is an IETF draft that allows certificate pinning for a TLS web server, provided the clients' bowsers support it. Unlike the certificate pinning feature available with HSTS preloading, the ...
2
votes
1answer
55 views

Finding the type of SSL certificate with cURL

This is a part of curl's verbose output when connecting to the HTTPS site of Google. * Server certificate: * subject: C=US; ST=California; L=Mountain View; O=Google Inc; CN=www.google.com * ...
0
votes
1answer
92 views

Accepting an untrusted security certificate?

What is the risk of accepting an untrusted site security certificate in your browser if you're not entering any data, but merely browsing the site?
1
vote
3answers
109 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 ...
1
vote
2answers
293 views

Self-signed SSL certificate on chromebook (and android)

I am having the following problem on both my android phone and on my chromebook. I'm running a website on an internal server (10.3.3.3) using nginx with a self-signed ssl certificate. Since it is just ...
0
votes
3answers
100 views

SSL Certificate for an email server

I am completely new to SSL/TLS and would appreciate any help you guys could give me. To give you some background info, our company website is hosted externally by our ISP, however our email is ...
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 ...
17
votes
2answers
2k views

How can you prevent employees of your company from creating valid ssl certs? [duplicate]

When registering for an SSL cert, I was able to validate that I "owned" the domain I was creating the cert for by having a valid @domain.com email address. If I worked for a large company, say ...
0
votes
1answer
48 views

Secure Communication Between .Net Application and Website

Recently, We developed an application that we want it's users to pay for a monthly subscription in order to use it. So the first thing that came to our minds how to implement a secure way for our ...
5
votes
2answers
301 views

VPNs vulnerable to MiTM because ANY certificate goes

I spoke to a sysadmin in a business center today who intended to basically perform a MiTM (as he called it) on every connection in his network because people in his office building are using VPNs and ...
4
votes
1answer
240 views

google certificates correct CA [closed]

I view certificates of https://www.google.com.ua/ So I thought, when requesting via cURL, if I point by CURLOPT_CAINFO to those certificates (GeoTrust Global CA and Google Internet Authority G2 in ...
1
vote
1answer
55 views

What's the use of certificate on Load Balancer and Keystore on Service?

Consider a scenario where my service is using a keystore made of self signed cerificate and the load balancer which is balancing traffic for service is binded with a CA approved certificate. I would ...
1
vote
1answer
75 views

Is there any way to restrict multiple access to my server at the same time using one client certificate?

My Server is Windows 2008. Mr. X is accessing my web server using Mr. X's certificate. In that time, an outsider is also trying to access my server using Mr. X's certificate (somehow he got it). Is ...
2
votes
1answer
75 views

SSL certificate to protect spoofing of API server

I have a program written in Python that checks the validity of its license key with a remote server. Am I right that an SSL certificate would make it possible to prevent spoofing (host redirects for ...
22
votes
1answer
2k views

Why does Firefox not trust this US government SSL certificate?

Shouldn't this be a trusted certificate considering it's a wildcard SSL certificate? That is, shouldn't *.delaware.gov cover www.corp.delaware.gov?
1
vote
2answers
60 views

Mechanisms to offer inexpensive https to all second level .wiki domains

I'm working with the registry for .wiki, a new generic top level domain set for public availability in June 2014. We're going to be giving away hosted wikis to registrants of .wiki domains and I'd ...
0
votes
1answer
121 views

Is it safe to accept the security certificate from AOL chat? [closed]

Is it safe to accept the security certificate from AOL chat? Did they recently change their certificates? These images are from Pidgin.
1
vote
1answer
117 views

How to diagnose No Certificate alert

I have written an application (in C#) to communicate with one of our customers via a web service. Our customer requires us to use bi-directional SSL. The customer has sent us their certificate (in ...
0
votes
1answer
132 views

Private Key and Public Key Serial Number and Thumbprints

Are the private key Serial numbers and thumbprints the same as the corresponding public key Serial numbers and thumbprints for certificates (X509Certificates, Base64-encoded X.509), and are these good ...
4
votes
1answer
292 views

What is a Certification Path in SSL certificate?

I've been trying to learn more about Digital certificates for the past few days and I'm struggling in order to understand how actually this concept is applied in the real world. Anyways, as I visited ...
1
vote
3answers
91 views

Using public/private key without signed certificate

I am working on a java program and I am now working on its network security. I want to use a secure connection since it transfers a lot of sensitive information. On all security guides it is mentioned ...
5
votes
3answers
245 views

Does checking the fingerprint of a self signed certificate improve security?

I am currently developing a component for an application that does TCP communication with a device inside a local area network. I use TLS to provide data encryption, integration and authorisation. ...
1
vote
2answers
74 views

Why do client certificates not protected against improper server certificate validation

I understand the question of client certs and MITM attacks has been asked several times, but I don't believe this specific scenario has been answered. It was my (seemingly incorrect) assumption, that ...
0
votes
1answer
70 views

Why not use client certificates for premaster key generation

The question is about a very specific SSL handshake scenario. I understand that some servers may request client certificates in order to authenticate connecting clients. However, as far as I can ...
0
votes
2answers
56 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 ...
2
votes
1answer
84 views

How can a trusted intranet certificate be issued if they are being phased out?

I've just seen this article regarding the phasing out of intranet names on SSL certificates. However, CAs such as this one claim to still issue them and it will be "Trusted by all popular browsers" ...
0
votes
1answer
79 views

Server not requesting for certificate in SSL handshake

I have one windows service and web service trying to make a web service call over TLS. I have setup the certificates in MMC and I am able to successfully connect using the web service. However, when ...
2
votes
0answers
74 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
1answer
247 views

Who is this strangely named Certificate Authority?

I'm researching certificate authorities, and I just have no idea what to think of the CA named x00Ax00-x00Tx00rx00ux00sx00tx00 x00Gx00ex00sx00.x00 x00fx00xFCx00rx00 ...
2
votes
4answers
197 views

Why isn't there a Global Root for SSL?

I was just wondering why there is a file on your computer implementing the trusted root CA's instead of something similar to DNS where there is a file on root servers that computers check against to ...
2
votes
1answer
300 views

How does Windows/IIS keep a certificate protected or should I never run Apache Webserver on a Windows server?

If I follow the reasoning of a colleague it seems you should never run Apache Webserver or Tomcat on a Windows server if you want to keep the https certificate safe. Let me explain before this ...
0
votes
1answer
262 views

Grey vs Green padlock in address bar - technical difference [duplicate]

What is a technical difference between "grey padlock" and "green padlock" in URL bar in browsers? As an example we can take: Green padlock: Bank of America Grey padlock: Google Search Both of ...
3
votes
1answer
479 views

Client certificate for 2 way SSL works in some programs, and fails in most

I am trying to establish 2 way SSL connection with remote server and I have received certificate to connect. Can somebody explain behaviour described below. I am able only to use it with SOAP UI ...
1
vote
3answers
248 views

Does HTTPS encryption work when there is invalid or there is no certificate?

When I have a website run on https and there is no certificate, there is wrong certificate or out of date like here does encryption still work or not?
0
votes
1answer
136 views

Installed new Wildcard certificates on my server, but still appear as expired on browser [closed]

I have bought new WILDCARD certificates (*.mydomain.com) for my servers. I was able to install successfully on one server. So, I know the files are correct and I was able to verify their validity. ...
9
votes
2answers
230 views

Why do some certificates specifically identify a corporation and most don't?

Looking at a handful of websites that allow for/require HTTPS, I realized that the certificate for a few of them specifically identifies the owning corporation, but some (most) don't. What's the ...
0
votes
1answer
381 views

OpenSSL get key length of all certs [closed]

I am trying to ensure that all certificates in a chain for a host have a key length of 2048 bits. Using openssl s_client, only the key length for that host's cert is given, is there a simple way to ...
0
votes
1answer
542 views

Sending Client Certificate to Server

I have a simple question. Is a web browser sends client certificate to the web server on demand(means web server is configured for client authentication and demand the client certificate) or just ...
0
votes
2answers
335 views

Client Authentication by certificates in Google APP Engine java

I am writing an application in Google APP Engine java which authenticate the user by its certificate. I have created a self signed certificate using keytool at client side. I also enable the HTTPS ...
1
vote
1answer
493 views

SSLv3 or SSL Certificate Version 2?

Below is the SSLScan output, what does it mean with SSL Cerficate Version 2? Aren't SSLv3 and SSL Certificate Version 2 the same? ...
0
votes
1answer
99 views

How does ssl prevent MITM attacks [duplicate]

My understanding of how it works : A victim asks for the public key of a server. The attacker just forwards this request. The server now responds with a certificate which contains the Public key. The ...
0
votes
1answer
68 views

how does IE or chrome verifies certificate? [duplicate]

If the HTTPS webserver uses self signed certificate, the web browser warns the user as follow. http://www.sslshopper.com/assets/images/iis7/iis7-self-signed-certificate-8-certificate-not-trusted.png ...