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

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0
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2answers
204 views

Native app, token authentication without login/password

I'm working on a always online mobile game (native android/iOS app with Unity) and i would like to be able to authenticate the player without requiring any login/password at the beginning. For those ...
0
votes
1answer
26 views

Difference between SSL connection and SSL session

What is the difference between SSL connection and SSL session ??? This is what my lecture notes has to say which I makes no sense to me ( I am new to SSL) SSL Connection: A transient ...
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0answers
3 views

google recaptcha V2 on apache shared server: How to get it to work with SSL

I implemented google's reCAPTCHA V2 on http:// on the remote apache shared server and it worked 100%. I then changed the protocol to my shared server SSL using the same script as the non-SSL script. ...
4
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3answers
82 views

Steps to find out whether a SSL certificate is trustworthy

For doing business with a company I have to browse to https://www.prioenergie.de/nc/mein-prioenergie.html (German website). Firefox says the certificate is invalid, because it is not signed by a ...
2
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1answer
521 views

Is keystore file(server.jks), my private key file?

My task is to convert .p7b to .pfx. It would be great, if you could provide me some pointers. Below are the steps I did to generate .p7b file. I generated jks(java keystore) file using below ...
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2answers
61 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?
3
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1answer
40 views

Can javascript code served by a server under HTTPS talk to another server under a subdomain with a different certificate?

Lets assume we have two servers : (1) https://adomain.com (2) https://abc.x.adomain.com The each have different certificates, (2) has a wildcard and (1) does not. If we remove https from the ...
1
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1answer
51 views

Read SSL Certs with user process

I am running my own server, on which I have different services (Nginx etc.). All these (internet) services are / should be secured with SSL (offcialy signed). The key files / certificates are located ...
2
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2answers
102 views

How can one secure Exchange 2010 cookies?

We have received the below finding from an IT audit. Missing Secure Attribute in Encrypted Session(SSL) Cookie: It is best business practice that any cookies that sent over (Set-cookie) an ...
0
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0answers
24 views

How to add basicConstraints extention to a self signed certificate

Using openssl to create a self signed certificate. The certificate needs to have the Basic Constraints value defined and showing in the cert but I can't seem to be finding the right location to modify ...
1
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1answer
29 views

SSL/TLS Session Resumption with Session Tickets

We already have SSL session resumption enabled using a session cache. Based on an in-house performance report, enabling Session Resumption using Session Tickets is recommended. Is the performance ...
3
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3answers
146 views

With HTTPS, what information would a MitM attacker be able to glean?

Consider a user accessing a site that is using HTTPS for all its traffic. A hacker is trying to use a man-in-the-middle to snoop on the user. What information can he glean? Obviously the content is ...
2
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3answers
10k views

How force that all connections to my Apache use TLSv1.1 or TLSv1.2?

I tested on Ubuntu 12.04 (apache 2.2.22-1ubuntu1.4 and openssl 1.0.1-4ubuntu5.10) and Ubuntu 13.04 (apache 2.2.22-6ubuntu5.1 and openssl 1.0.1c-4ubuntu8.1). here explain how to do so, but I have the ...
0
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1answer
88 views

Mixed content - stylesheet being blocked because of a querystring parameter?

I've just run into a scenario where a stylesheet was being blocked on a secure payment page. The stylesheet was loaded like so: <link href="/CSS/all.min.css?v=2" rel="stylesheet" type="text/css" ...
0
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2answers
33 views

cross-signed end-entity certificates: usage in apache/openssl/gnutls

A previous question, What is the use of cross signing certificates in X.509? described cross-signed certificates well. I have a situation where the clients trust CA1 xor CA2, and both need to reach a ...
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0answers
49 views

SSL certificate expired on laptop what does that mean? [on hold]

SSL certificate says it is expired on my laptop. What are the implications.
2
votes
1answer
50 views

What happens if a page with an invalid SSL cert responds with a 302 redirect to a page with a valid cert? Do you still get the warning?

Alice navigates to https://example.com. https://example.com delivers an invalid certificate. https://example.com 302 redirects to https://www.example.com https://www.example.com delivers a valid ...
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0answers
43 views

Why does firefox still display website ssl to be 128 bit encrypted after changing to 256 [migrated]

I recently renewed an ssl certificate to use SHA-2 but on firefox the website still shows to be SHA-1 and 128 bit encrypted, on all other browsers it show SHA-2 , 256 bit. Can anybody help me with ...
1
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3answers
123 views

{Secure} Telnet connect to a console server from webbrowser

I've got a terminal server set up in a data center that also serves as a console server. This console server only accepts regular telnet requests. To this server are a bunch of routers and switches ...
2
votes
3answers
181 views

Company decrypting SSL, is it common?

We've just implemented a proxy that decrypts all SSL traffic in order to classify and scan it. Naturally a lot of our users feel concerned. We're a small company (100 users) owned by a big company ...
3
votes
1answer
54 views

Does SNI have any benefit when doing fingerprint validation instead of using the common name?

Does using SNI have any benefit whatsoever (whether security, scalability, or otherwise) if the TLS certificate validation is performed exclusively using the certificate fingerprint and without regard ...
1
vote
1answer
75 views

How will SHA1 deprecation affect SHA1 roots in OS/Browser trust stores.

I understand the SHA1 deprecation policy applies to CA's issuing SHA2 end-entity certs and intermediates starting Jan 2017 but how will this policy affect the actual root certificates in OS/Browser ...
0
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0answers
15 views

OCSP stapling: Staple just my domain/root CRT, or Combine/Concatenate including Intermediates?

I cant seem to find a specific well documented resource on this question. Should I staple just my domain/root CRT, or staple my combined crt (Combine/Concatenate file which includes my root cert plus ...
3
votes
3answers
190 views

TLS library problem when connecting to Dovecot

I have a Comodo PositiveSSL certificate issued for mail.btcontract.com and I've set up Postfix and Dovecot to work with it in the following way: Postfix main.cf: smtpd_tls_cert_file = ...
3
votes
2answers
74 views

Choosing TLS / SSL cipher suites - What considerations are there?

Most of the advice on choosing cipher suites I find tends to be one of these forms: Here's a string to paste into your application, or Here's a list of 30,000-foot generic criteria to use ("favor ...
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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 ...
0
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1answer
36 views

With SSL: not saving sessions, cookies not being sent

My purpose is to have a fully SSL site. The web host gave this format of URL for my shared server SSL: https://hostaddress.net/example/ where www.example.com is the domain name. I conducted the ...
0
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1answer
86 views

Why does my TLS configuration not work with IE 8 / XP? [on hold]

After all the last news about TLS/SSL faults and problems, I'm working on strengthening our TLS config — yes, I dropped SSL; at least, that's something. The main effort is to enforce, as much as ...
0
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1answer
74 views

Poodle vulnerability and eCommerce

Our client has recently stopped getting new orders placed on their Magento eCommerce site. Could this be related with the Poodle vulnerability, as their server is still on SSLv3. Is there any ...
0
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0answers
21 views

Encrypted alert with code 21 for connection [on hold]

I've got a device that connected to the server and successfully did the handshake and received application data, however later when client sends keep-alive requests server sends back encrypted alert ...
1
vote
2answers
66 views

MITM on program with no proxy settings

I'm trying to inspect the traffic of a program (which is running on my computer) that uses SSL over TCP to a non-standard port. The traffic may or may not be HTTP traffic, likely isn't. Neither ...
0
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1answer
28 views

Add certificate authority to one browser only

For testing purposes, I'd like to add a "CA" to the list of trusted-CA's of one browser - and use it only for testing. I want to make sure that it won't get added to the computer's trusted CA list. ...
2
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1answer
724 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 ...
0
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1answer
261 views

Why is 'avast! Web/Mail Shield Root' listed as CA for google.com?

I just noticed something weird in my browser: the certificate for www.google.com has been issued by avast! Web/Mail Shield Root. Should I be worried? I am using avast! Antivirus so it's probably a ...
0
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1answer
51 views

TLS Authentication/OpenVPN/MITM Attacks on Public Wifi [duplicate]

My question is about how an SSL VPN connection such as OpenVPN is protected against MITM/Spoofing attacks on a public Wifi. For example, if somebody has a 'pineapple' or router setup as a honeypot ...
1
vote
1answer
36 views

What are the compatibility implications of generating a new TLS key?

The guide I'm following says to use openssl genrsa to generate a TLS key, which I did. I've changed the CSR generation command to use SHA256 instead of SHA1, but I'm still not sure if this is the ...
0
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0answers
26 views

TLS authentication on Openvpn server

I'm not sure if this question can be applied elsewhere and that's why posting it here. The matter is that I want to setup hardened(as far as possible) VPN server. No the issue is that tls handshake ...
2
votes
1answer
54 views

Must the distinguished subject name of an issued SSL Certificate match that of the generated Certificate Signing Request?

For example: from Issued SSL Certificate: CN = abc.com.my, OU = Room, O = House, C = MY from generated CSR: CN = abc.com.my, OU = Room , O = House, L = KL, ST = KL , C = MY Is it legal for a ...
0
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2answers
54 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 ...
0
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4answers
84 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 ?
2
votes
2answers
171 views

What's the difference between X.509 and PKCS#7 Certificate?

Am I correct calling file with .p7b file extension saved as 'Cryptographic Message Syntax Standard - PKCS#7 Certificates (.P7B)' in Windows - a 'PKCS#7 certificate'? Or is it better called 'X.509 ...
12
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6answers
11k views

Where does SSL encryption take place?

I checked the data transmission of an HTTPS website (gmail.com) using Firebug. But I can't see any encryption to my submitted data (username and password). Where does SSL encryption take place?
1
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1answer
86 views

Mobile, WebServices and SSL

I just started dipping my feet into security and SSL. I looked at various videos to try and understand how the magic happens and I have the general idea now, but most of them deal with it taking the ...
2
votes
1answer
77 views

Do payload sizes reveal URLs when HTTPS is deployed on news, blogs, etc?

Even though HTTPS keeps HTTP paths private, is it not the case that the generally-unique payload sizes for particular URLs (on news articles, blogs, etc) provides a mechanism to reveal the URL anyhow ...
4
votes
4answers
378 views

How widely deployed is TLS with cipher ECDHE?

Microsoft deployed a patch for Windows 2012 R2 and Windows 8.1 that adds the following ciphers. Cipher suite Exchange Encryption Hash TLS_DHE_RSA_WITH_AES_256_GCM_SHA384 DH ...
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0answers
47 views

How does SELinux effect the Linux Kernel networking stack?

I'm interested in how SELinux effects the processing of packets through the networking stack. I've found the following questions and answers: Network policies under AppArmor/SELinux Filtering ...
1
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0answers
546 views

GnuTLS ServerHello exploit (CVE-2014-3466) - how to verify?

So pretty much all of the GNUTLS world is worrying about CVE-2014-3466. I checked my Kali and it responds with this - # apt-cache rdepends libgnutls26 | grep -v lib Reverse Depends: ...
2
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5answers
170 views

Can we have https without certificates?

I apologize in advance if I am fundamentally misunderstanding something, but is it possible to have encrypted communication protocols (https, I suppose) without resorting to a certificate system? ...
7
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5answers
1k views

Understanding SSL certificate signing

I am trying to understand how SSL certificate and signing and the chain of trust works. I know about root CAs and that they are used to sign intermediate CAs that sign the end certificates that are ...
2
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2answers
53 views

Invalid OCSP signing certificate in OCSP response

I want to open the following page in Firefox, and get an error. https://www.acm.nl/nl/ Secure Connection Failed An error occurred during a connection to www.acm.nl. Invalid OCSP signing ...