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

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2
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3answers
70 views

Can HTTPS or VPN connection be sniffed through UTM device?

Someone told me that if my device communicates with a server on Internet via VPN connection or HTTPS, all the contents that I have sent can be sniffed and decrypted by the UTM device (or more ...
3
votes
2answers
695 views

Forcing IE11 to use perfect forward secrey on AWS ELB

I can connect to my server in practically every browser except for Internet Explorer and I cannot figure out why. I am resolving SSL on AWS Elastic Load Balancer (ELB), which is configured to use the ...
4
votes
1answer
554 views

What Ubuntu packages are still affected by gnutls bug CVE-2014-0092?

Right now the internet is abuzz with news about a severe breach in GnuTLS. An update to the relevant GnuTLS packages has already been released. But I am worried whether some packages might have had ...
4
votes
1answer
274 views

Trustworthy Android recovery image that allows rooting?

I have an unlocked but not rooted Android device (Nexus 7 2013 WiFi "flo", legitimately unlocked using fastboot oem unlock from an x86 computer). Neither adb root nor adb shell followed by su let me ...
3
votes
1answer
146 views

Exporting data beyond a cryptographic boundary

Scenario We're working on putting a FIPS 140-2 compliant SQL database on a dedicated machine behind the internal firewall of an organization, and need the capacity to push a specific document or ...
2
votes
1answer
172 views

HTTP Reverse Proxy: Correct way to do SSL to backend

If I have a HTTP reverse proxy that communicates with it's backends in an untrusted datacenter, or across datacenters, I would want to use HTTPS in the backend, as talked about here: Reverse Proxy ...
2
votes
1answer
119 views

How widely is Perfect Forward Secrecy in HTTPS clients?

We are hosting an SaaS website and API with the https protocol, both of which are accessed by numerous users with a lot of different browsers and client-side apps. What would happen if I made PFS ...
1
vote
1answer
47 views

Are there any “offline” open source software with I can check my HTTPS site?

There are many sites that can rank the HTTPS quality of a website. But are there any that is open-source and can be used "offline"? So example in an intranet environment. The tool needs to check for ...
1
vote
1answer
39 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 ...
1
vote
1answer
67 views

How do I allow websites to call my desktop app over HTTPS?

I'm building a desktop app. I'd like websites to be able to communicate with the app over HTTPS. The general idea is that a website could run a JSONP call to https://127.0.0.1:8844 and send data to ...
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
133 views

VPN Client - Addtional Security Layer or a Useless Feature

I have a corporate web portal which is used for staff collaboration including a web-based mail interface connected to MySQL Database, corporate calendar, file storage, customer contacts data with ...
1
vote
1answer
92 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 ...
-3
votes
1answer
78 views

What are the risks if a weak ciphers are accepted by a technology that uses SSL

The TLSSLed tool found that the host that I use has SSL connection that accepts 8 different TLSv1 and SSLv3 ciphers that are weak by their length (40 bits). How can an attacker exploit this fact?
2
votes
0answers
209 views

What is going on with my download of the recent Apple security update?

The update in question is the Mavericks combined update which, among other things, claims to fix the recent SSL vulnerability/gaping hole. This issue really annoyed me, so I decided to procure ...
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 ...
2
votes
0answers
49 views

Creating New Acc in Mac Mail 1st Connect to Server not SSL is uname & pw tx secure?

It appears that whenever you set up a new mail account on Mac Mail on OS X (or iPhone, iPad etc), that as soon as you enter the server and the mail account user name and password, Mac Apple-Mail tries ...
2
votes
0answers
443 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 ...
1
vote
0answers
41 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
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 ...
1
vote
0answers
60 views

Threats against website running without TLS but with PGP messages

Are there any threats against a web site that isn't running SSL but uses PGP to encrypt all information to the server (except session identifier) The information flow is as such: 1. Session ID set on ...
1
vote
0answers
119 views

PGP-encrypted Email or SSL/TLS Webform for Responsible Disclosure Communication?

So it's a fairly simple question. When offering an avenue to security researchers for communication with us regarding disclosure of security vulnerabilities, what's the best way to do so? Assume we ...
1
vote
0answers
58 views

Strange TLSv1.2 Handshake

I noticed a strangeness in the TLS 1.2 Handshake and I don't know if I'm missing something. As you can see in this screenshot, the browser (Chrome) puts the value 0x0301 as version in the Record ...
1
vote
0answers
105 views

How to secure my REST implementation for an ember.js app

I've been searching and searching for what seems days and have not come up with any definitive answer on a solution to my problem. To explain without going into terrible detail I am building a store, ...
1
vote
0answers
70 views

Designing a security and encryption strategy for MongoHQ

I'm trying to design the best strategy to achieve the following goals: Securing data-on-the-wire between my server and MongoHQ. Encrypting all data-at-rest with MongoHQ (possibly key values as ...
1
vote
0answers
37 views

TLS with non-repudiation; what happened with 'TLS Sign'?

TLS Sign was proposed as an IETF Draft in June 2007. http://tools.ietf.org/html/draft-hajjeh-tls-sign-03 I did not found further information, besides that the draft expired in November 2007. Can ...
1
vote
0answers
29 views

Use TLS certificate as both server and client?

For a federated server-to-server protocol with domain-based identities, I am thinking of using TLS client certificates as authentication mechanism. I figured that re-using each peer's TLS server ...
1
vote
0answers
76 views

Do the BEAST and CRIME attacks apply to an IMAP service?

While setting up the Dovecot IMAP service, I noticed that the default parameters are not optimal, it allows SSLv3 for example. Using Thomas Pournin's TestSSLServer.java program, I saw the following: ...
1
vote
0answers
66 views

Is my approach to anonymous certificate based HTTP(s) authentication and secure private messaging sound?

I'm trying to work out a somewhat anonymous secure messaging system, and was hoping someone could validate my overall approach. Keep in mind, this all takes place over HTTPS. Authentication While ...
1
vote
0answers
93 views

Why are OSX users of my TLS-only site being asked to supply a client certificate?

I purchased a Comodo SSL certificate (OV), and set up the apache vhost config so that all traffic is forwarded to 443. Intermittently some users are being prompted to supply a client certificate; ...
1
vote
0answers
76 views

Suggestions on how to capture network connections/traffic for determining browser/SSL versions?

I've started thinking about how to approach analyzing my network traffic for information relating to SSL and browser usage for my web server farm. I also suspect there are some shadow (legacy, ...
1
vote
0answers
150 views

Should I tunnel multiple TCP connections through a TLS/SSL tunnel or use TLS/SSL for each connection?

I am developing an application that runs on Windows PCs. The application is able to connect to some kind of devices within a LAN. It can create multiple TCP-connections to the device it is connected ...
1
vote
0answers
181 views

Safe communication via rest api between two known servers

i would like to have some advice on the following scenario: I'm using kinvey as backend but because it doesn't provide the ability to run custom code i have set up another server. So basically when x ...
1
vote
0answers
249 views

Does ZRTP provide useful protection, given that the SAS is not verified?

Firstly, some important backstory. I'm producing a corporate version of an IM/VOIP/Screensharing client using the Open Source Jitsi. We are going to be using a central server and have already ...
0
votes
0answers
24 views

nginx - How to prevent processing requests with undefined server names with HTTPS

How do I avoid nginx processing a request with an undefined server name using the https protocol. The following configuration makes this work for http requests: server { listen 80; ...