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

learn more… | top users | synonyms (2)

0
votes
1answer
202 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.
0
votes
1answer
127 views

why credentials are not shown in mitmproxy?

my question is that why I can not see some credentials in mitmproxy while the application connecting to, uses ssl connection? I actually installed the mitmproxy server on my PC and have set up my ...
0
votes
1answer
320 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 ...
0
votes
1answer
53 views

Key Management in Interception Proxies?

I'm reading Jarmoc's Black Hat presentation on SSL/TLS Interception Proxies and Transitive Trust. I have a few questions on some of the key management practices. In the paper, Jarmoc states: To ...
0
votes
2answers
89 views

Corporate IT monitoring and access to user private data (keylogging? https data transmission?) [closed]

I work at a large company that requires employees to sign a digital certification saying that we recognize the right of the said company to monitor all data and communication on our work laptops, and ...
0
votes
1answer
876 views

iOS, Android, and OS X SHA-2 support (in the context of SSL/TLS certificates)

As there is currently a move away from SHA-1 being used as part of TLS, we're examining moving our SSL certificates, used to protected traffic in transit to/from our webservers, to use SHA-2. ...
0
votes
1answer
108 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
42 views

DHE Verification

I'm just struggling to get my head around this. In certificate signing with static Diffie Hellman the public key and certificate information is sent to the CA who verifies the certificate ...
0
votes
1answer
26 views

3rd party SSL security and having an extra layer of SSL

I did a search and didn't quite find an answer to my question. I have website that is integrating with a 3rd party for eCommerce and CRM. On my side I am collecting no data. I don't collect any login ...
0
votes
1answer
54 views

Installing a custom SSL Certificate For Local Proxy. Safe?

I've been writing some software for over a year that is a sort of browsing security/privacy application. One of the features of this software is that it uses a local HTTP proxy for some content ...
0
votes
1answer
180 views

Is there a benefit to having SSL connections on localhost?

I have a mail server with a MySQL database back-end. The mail server and MySQL DB are both installed on the same Windows machine. Is there any benefit to using SSL connections between the two ...
0
votes
1answer
124 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 ...
0
votes
1answer
1k views

Javascript http to https redirect - how vulnerable/how secure? [duplicate]

If I had a website http://site.com redirecting to https://site.com via javascript (with a HTTP/1.1 403 Forbidden), what are the attack vectors I could be vulnerable too? Why is this not a good ...
0
votes
2answers
165 views

SSL handshake: what makes it unforgeable?

I understand the ssl handshake flow, but still need few verifications: If I'm trying to forge another handshake the client will fail because, and only because the certificate I'll send him back is ...
0
votes
3answers
330 views

Trust a non-root CA in OpenSSL

Is it possible to have OpenSSL trust a non-root CA such that a certificate signed by that non-root CA can be properly verified? I've noticed that the default behavior for OpenSSL is to only verify ...
0
votes
1answer
206 views

Sniff HTTP(S) from PPTP VPN server

I've setup an PPTP VPN server on my Debian 7 server. I'm using this VPN in combination with my Android phone to ensure a secure connection. However, i'm getting curious of what my phone is sending ...
0
votes
1answer
794 views

Java SSL factory connection to SSL server (with just public-key and certificate)

I am trying to connect to a SSL web server. We currently have a pkcs12 file and connect, that is our private-key and certificate. Is it possible to connect using Java code with a public-key and ...
0
votes
1answer
170 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. ...
0
votes
3answers
158 views

What are the MitM implications of a stolen client-side private key?

Many VoIP handsets support client-side SSL authentication for auto-provisioning. Unfortunately, some devices must be programmed with their client-side keys. (Keys generated on low-entropy devices are ...
0
votes
1answer
162 views

Installing SSL on load balancer and the internal IP

I have a server which has an internal IP (Used to access from local) and an external IP (accessed from Internet and placed in the load balancer). And both will use the same URL ...
0
votes
2answers
531 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 ...
0
votes
2answers
240 views

Achieving End to End encryption with TLS

The scenario is that a client browser (eg: a user trying to log in to a bank website) needs to be able to view certain sensitive information that resides in a mainframe sitting in the Internal network ...
0
votes
1answer
129 views

Can I use a CDN for static content without sacrificing SSL keys?

I would like to use a CDN for the static content of a website. But obviously I do not wish to share my SSL key with any external service. What are my options? An ideal solution would be to link to ...
0
votes
1answer
204 views

Are web sites with non-https login pages secure? [closed]

I was looking at weibo.com (chinese equivalent of twitter). I was surprised to see that their login page (http://www.weibo.com/) or forgot password ...
0
votes
1answer
87 views

vsftp encryption algorithm

I want to configure VSFTP for ftps protocol and it has some choices to select the encryption type: tlsv1, sslv2, sslv3. I read that tls version 1 has some security issues but in the man page it says ...
0
votes
1answer
101 views

SSL and Strategy to prevent destination URL from being revealed

Googling the subject "sniffing out / spying on SSL secured communications" one finds many references to being able to make some good guesses about the "target destination" once the path length is ...
0
votes
1answer
86 views

Protected Client Server communication advice

I am hoping for a better understanding about SSL/TLS by setting up two devices, running two different applications, allowing communications to go over SSL/TLS. With OpenSSL I have created a ...
0
votes
2answers
195 views

Man-in-the-middle SSL generation on request possible

I am doing some research on man-in-the-middle focusing on SSL in particular. I have been looking into generating a certificate on request when a client connects and requests a secured page. ...
0
votes
1answer
47 views

How to properly implement TLS on an ejabbered server

The official ejabbered documentation instructs the user to generate a self-signed certificate like this: openssl req -new -x509 -newkey rsa:1024 -days 3650 -keyout privkey.pem -out server.pem openssl ...
0
votes
1answer
103 views

TLS_RSA type ciphersuite and PFS

Today while I'm reading about the RSA factoring challenge. I thought to myself that if whoever depends on RSA-512 (By using TLS_RSA_xxxx) to secure their TLS connection years ago, the info they wish ...
0
votes
1answer
1k views

Problems with intermediate ssl certificates and ssl proxy

I'm currently implementing a SSL-proxy, and have run into some problems regarding certificates. We have a offline "Company Root CA", and an online "Company intermediate CA". On the proxy I have ...
0
votes
1answer
184 views

SSL (TLS v1.2) - Can i offer fallback CAs when upgrading Certificates? (Java)

I am currently developing a product that involves two network situations. At the client side, multiple computers form a P2P network (multiple locations, multiple p2p networks), and a subset of nodes ...
0
votes
1answer
110 views

Increasing website data security level

Could it be more secured using the "HTTPS" protocol for website data security and at the same time using another encryption algorithm (Elgamal) as well? I know "HTTPS" could be used alone, but I ...
0
votes
1answer
503 views

Configuring SSL certificate on OS X 10.8.5 produces “Chain issues Contains anchor” error

I'm trying to install a Thawte SSL123 certificate on OS X 10.8.5, but having a difficulty. While the certificate and intermediates appear to be installed without any errors, running the Qualys SSL ...
0
votes
2answers
108 views

Force https, complex implementation

I have a website running on a dedicated server (single IP) on apache. Multiple domains are pointed to the website . For ex: sub.abc.com, sub.bcdaf.com I have now purchased a single SSL certificate ...
0
votes
1answer
789 views

Why Qualys SSL Server Test is giving me 80 and not 100 in Key Exchange?

My openssl ciphers -v 'CIPHER' output is the following: ECDHE-ECDSA-AES256-GCM-SHA384 TLSv1.2 Kx=ECDH Au=ECDSA Enc=AESGCM(256) Mac=AEAD ECDHE-RSA-AES256-GCM-SHA384 TLSv1.2 Kx=ECDH Au=RSA ...
0
votes
3answers
4k 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
votes
1answer
687 views

OpenSSL: Enable cipher suites per protocol version

Is there a way to explicitly configure OpenSSL to allow AES (or in general, block ciphers) only for clients that use a TLS version >= 1.1? This would protect against the BEAST attack, while still ...
0
votes
1answer
126 views

Does the VPN provider will have access to my content? [duplicate]

I am planning to buy a VPN service just to circumvent the filtering applied by the government. However as I am planning to use OpenVPN on my dd-wrt router, all of my data will pass through this ...
0
votes
1answer
139 views

Setting up two way SSL

I am trying to setup two way SSL to communicate with partner web service. I understand I have to provide server certificate on client side. However, questions are: Is self signed certificate okay? ...
0
votes
1answer
822 views

What key sizes are allowed within TLS if the DHE_RSA is the only key exchange allowed?

Can I make assumptions about minimum and maximum key sizes if all I know about a TLS server is the fact that it uses DHE_RSA for key exchange? Can the server be configured to use weak key sizes for ...
0
votes
1answer
605 views

How configure tomcat 7 SSL to use AES-NI?

My server has AES-NI and I would like tomcat 7 to make use of this but I am not really sure how to make that happen or where to even start looking. I am quite familiar with tomcat administration, and ...
0
votes
1answer
288 views

Configuring IIS SSL for PCI

Is there a clear, concise list of of SSL settings available for IIS which will pass my PCI audit scanning? Preferably something for both IIS 6 and IIS 7 I'm currently running into BEAST issues but ...
0
votes
1answer
524 views

Why do we need to use HTTP CONNECT? [closed]

If we are writing a custom http client which connects with an https server. Should the custom client when deployed on machines which are behind web proxy need to send a HTTP CONNECT Request so as to ...
0
votes
2answers
876 views

Protecting yourself against DNS spoofing?

Are there any things which the user can do, on their own machine, to protect against DNS spoofing? I was just thinking when I was at the airport last and I wanted to check my email I used a hotspot ...
0
votes
0answers
14 views

MITM protection, key distribution

I want to make sure each of my apps users only get their own data, and that nobody tampers with it or sniffs it in a MITM fashion. Encryption of everything should be the solution, right? But how do I ...
0
votes
0answers
43 views

Advantages/Disadvantages of session resuming in security protocols [on hold]

Aside from no need for a new key, are there any advantages (or disadvantages) of session resuming in TLS?
0
votes
0answers
20 views

How can I export private key from a certificate chain? [migrated]

I create a keystore and from that keysore I generate a CSR file and when I receive Signed Certificate from CA, I imported root and intermediate certificates to my keystore and finally my signed ...
0
votes
0answers
15 views

Indication of RSS SSL news feed source [closed]

I manage a website which is under HTTS (SSL). The issue is that I need to add a RSS news feed ticker in this website. I could not find any HTTPS news feed source, and as result depending on the ...
0
votes
0answers
17 views

Key differences between IPSec and HAIPE?

HAIPE is derived off IPSec but can someone draw up the differences between using IPSec with Suite B crypto and HAIPE with Suite B? We can drop Suite A or classified info for this question; staying ...