0
votes
0answers
70 views

Fixing TLS renegotiation vulnerability on Apache 2.2.3

On a RHEL 5.3 server, I have Apache version: Server version: Apache/2.2.3 Server built: Nov 12 2008 07:09:03 Server's Module Magic Number: 20051115:3 Server loaded: APR 1.2.7, APR-Util 1.2.7 ...
0
votes
2answers
575 views

how to enable TLSv1.1 and TLSv1.2 on nginx Debian squeeze?

For security I have to setup a nginx server with TLSv1.1 or TLS v1.2. By default, nginx configuresTLSv1. Reading the documentation I see that nginx has to set the following directive: ssl_protocols ...
-2
votes
1answer
55 views

Do any well-known CAs issue Elliptic Curve certificates (now that all others are hackable)? [closed]

I know it had been asked before here, but that was back in 2009. Now that it is widely supported by browsers (Requires TLS 1.1, only added in Chrome 22+, FF 23 released Aug 8 2013, IE9+), AND can ...
1
vote
2answers
211 views

Do I need to buy SSL certificate for root domain?

I am currently using single SSL cert (non-wild card) on www.example.com, what I found that even if I access the file without the www part, e.g. https://example.com/test.js There is no browser ...
3
votes
1answer
7k views

Disable SSL / TLS compression in Apache 2.2.x

Is there a way to disable SSL/TLS Compression in Apache 2.2.x when using mod_ssl? If not, what are people doing to mitigate the effects of CRIME/BEAST in older browsers? Related Links: ...
8
votes
1answer
8k views

How to disable SSLCompression on Apache httpd 2.2.15? (Defense against CRIME/BEAST)

I read about the CRIME attack against TLS Compression (CVE-2012-4929, CRIME is a successor to the BEAST attack against ssl & tls), and I want to protect my webservers against this attack by ...
2
votes
1answer
424 views

Node.js with SSL/TLS protocol v1.2

I would like to use TLS 1.2 on my node.js server. I'm currently using openssl 1.0.0e. If I upgrade to openssl 1.0.1, do I need to rebuild node.js to upgrade to TLS 1.2? Are there configuration or ...
3
votes
2answers
186 views

Security of a self-signed certificate

If I verify the fingerprint of a self-signed SSL certificate on the client, can a man-in-the-middle attack still occur?
2
votes
2answers
222 views

How does a SSL Accelerator work, esp in regard to TLS Session IDs?

There is a theory that the TLS Session ID might mitigate the BEAST attack, and one of the comments at the IETF mention that SSL Accelerators may alter this ID. Can someone explain to me (or tell me ...
7
votes
1answer
2k views

Safest ciphers to use with the BEAST? (TLS 1.0 exploit) I've read that RC4 is immune

Now that the BEAST is public knowledge, TLS 1.0 is NOT safe to use (nor is SSL 3.0). I have seen reports that the RC4 cipher is unaffected (and is widely supported). Is that true? I know that TLS 1.1 ...
5
votes
2answers
3k views

Secure LDAP Authentication with Active Directory

We are working on a web project where we need to be able to bind to an active directory domain and then pass the user's credentials to the domain to make sure the user has successfully authenticated ...
1
vote
1answer
268 views

How is using client certificates more secure than TLS plus basic authentication?

I've read that securing services with client certificates is more secure than using the combination of TLS with basic authentication. Client certificates have substantial drawbacks in terms of ...
20
votes
5answers
11k views

What are the exact protocol level differences between SSL and TLS?

This is a technical deep dive after this overview question was asked. What are the protocol differences between SSL and TLS? Is there really enough of a difference to warrant a name change? (versus ...
11
votes
1answer
9k views

How to inspect remote SMTP server's TLS certificate?

We have an Exchange 2007 server running on Windows Server 2008. Our client uses another vendor's mail server. Their security policies require us to use enforced TLS. This was working fine until ...
0
votes
3answers
985 views

cPanel configuration appears to allow unauthenticated SMTP - how to fix?

One of my clients is using a cPanel-based Virtual Dedicated Server that appears to allow unauthenticated SMTP: bash$ echo EHLO | nc mail.clientscompany.com 25 ... 250-SIZE 52428800 250-PIPELINING ...
25
votes
5answers
5k views

Functional implications of differences in SSL and TLS

I know that TLS is essentially a newer version of SSL, and that it generally supports transitioning a connection from unsecured to secured (commonly through a STARTTLS command). What I don't ...