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

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2answers
28 views

Can a HTTPS site be malicious or not safe to visit

I know that your computer can get infected by just visiting a website. I also know that HTTPS websites are secure. To my understanding secure here refers to "immune to MITM attacks" but since such ...
0
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0answers
25 views

How to convert SSL Certificate for mobile app?

I am in the current process of renewing my SSL cert for my website. I also have a mobile app for my site. I want to use the same cert from my website in my mobile app. How can I do this? Thanks - I ...
5
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3answers
256 views

Can ISP block HTTPS selectively?

Can ISP block HTTPS selectively i.e. certain websites cannot be accessed using HTTPS while others can be ?
0
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0answers
18 views

SSL Mismatched Address Certificate Error on IIS 7 [migrated]

We have a local application server (trisha0002), and on this server we have an application (FlexibleBenefits). When we install SSL for this application, it gives Mismatched Address. What can be the ...
0
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1answer
26 views

Forward Secrecy not supported with referenced browsers?

I am running a scan against one of our servers from the Qualys SSL tester site and it says that my server "does not support forward secrecy with the referenced browsers". What exactly does that mean? ...
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votes
2answers
30 views

how do vpns secure the encyption key? [on hold]

VPNs are accessed by the user with credentials so that the information is encrypted. There are credentials that you download to allow this. Since you don't physically, in person get the credentials ...
2
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0answers
130 views

Facebook drops SSL

I observed that sometimes my facebook https connection changes to http after using the site for a while. Is it possible for ISP or somebody in between to do such a thing by throttling the net speed ? ...
1
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2answers
41 views

Relying on openssl's certificate authority list or provide my own

My apologies if this is too subjective, but I am looking for advice on best practices. We maintain a small program written in Python that runs on our customers' servers and communicates back with our ...
-1
votes
1answer
55 views

An indian government website is not secure [on hold]

We know the news about fake SSL certificates issued by Indian government agency. This site http://www.passport.gov.in/nri/Online.do does gather confidential information as you can see. The site ...
0
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2answers
58 views

https login iframe 2014

Per current security recommendations & browser support, is it okay to have an https iframe in an otherwise http-only set of pages? Is this not a dupe? It is, but I want current trends because ...
0
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1answer
47 views

Why do certificate authorities often require/use multiple intermediates?

I suppose this is related to What is an intermediate certificate authority? but I think my question is a bit different so I'll ask it anyway. Why do most modern certificate authorities (e.g. ...
0
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0answers
29 views

securing my API: concept of accesstokens

first of all I want to excuse for the bad spelling and grammar. English is not my mothertongue. I have built a JSON communication between frontend(website) and my NodeJS webserver. I want to keep in ...
2
votes
2answers
110 views

How can I secure my api to avoid copying?

Im building an app which should receive data from my server. The Api should be a PHP based script which provides the data as JSON. However I want to keep the data private and it should only be ...
22
votes
3answers
7k views

Why is “www.” considered unsafe in this HTTPS URL?

I was doing some cross-origin requests to Soundcloud's oEmbed and I noticed some strange behaviour. When doing a request from my localhost, which is on a regular HTTP connection, everything worked ...
12
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4answers
1k views

Downsides to using HTTPS [duplicate]

Recently Google has indicated that a HTTPS certificate will be used as a positive signal in it's search rankings. This has caused some discussion within our company as to if we should apply a HTTPS ...
0
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2answers
65 views

Printer SSL certificates [closed]

Is a printer SSL cert really necessary if you just print? I don't use https for any administration; just http. I got a vulnerability saying that my cert was out of date.
0
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2answers
48 views

ECDSA ciphers and forward secrecy question about key exchange

I have heard that with forward secrecy that the ECDSA ciphers generate different keys for "each session" because they are not dependent on the private key of the server. My question is how is "each ...
2
votes
2answers
185 views

It is possible to decrypt HTTPS traffic when a man in the middle proxy is already in place?

I have the following question regarding the decryption of SSL traffic. The topology that I have in mind is like this: User-------MitM Proxy--------WebServer In the environment described earlier there ...
-5
votes
1answer
88 views

How to decrypt the encrypted data, in SHA256, of mysql database? [closed]

I have some data in column of table of mysql database in the encrypted form applied with SHA-256. How to decrypt that data using Java. I stuck at this since 4 days. Please spend 5 minutes of your ...
1
vote
2answers
72 views

Are input fields that don’t have name=“” sent via the browser [closed]

Are input fields that don’t have name attributes susceptible to MITM attacks (w/o SSL) or any other attack? For example: <form action="" method="post"> <label ...
2
votes
3answers
137 views

Free second-level domain SSL certificate [closed]

With CAcert.org losing trust in browsers and OSs and StartSSL providing only top-level domain certificates, are there any free SSL certificates providers for second-level domains?
0
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2answers
78 views

What would cause a server to only send over 1 SSL certificate to a client?

We have a secure server that seems to only be sending over the identity certificate. Running the hostname through Qualys says that only 1 cert was provided. The intermediate had to be downloaded on ...
2
votes
1answer
49 views

API request modification

I am building an API that returns data about companies Multiple applications will access the API, some of these applications will have access to one company, some to multiple companies. When a request ...
-1
votes
0answers
30 views

Burp clone certificates [closed]

Basically what I need is a HTTPS proxy, that will get the certificate from the target host, and create a new self-signed certificate based on the metadata of the original certificate. Ideally there ...
1
vote
2answers
33 views

Can I change the CSR of my SSL certificate?

I have 2 SSL certificates that are generated and being used for our staging and development server. However, we wish to change the roles of these two servers. currently the staging server is using ...
3
votes
2answers
507 views

What is the difference between EV-SSL certificates and Normal SSL certificates? [duplicate]

Recently while looking at several banking URLs I can see the domain name with security certificate at address bar and normal locker security certificate at address bar. Have a look at the screenshots: ...
1
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2answers
62 views

Client-server encryption technique explanation (TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256, 128 bit keys)

I opened a web page using https. When I looked at the page info provided by my browser (Firefox) I saw following: Connection encrypted: High-grade Encryption ...
0
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1answer
92 views

This certificate has an invalid digital signature

I am trying to learn securing wcf service using ssl. I found this website and I am following the steps. ...
2
votes
1answer
47 views

Drawbacks to only using TLS 1.2 ciphers in OpenSSL

I understand you would not want to do this as it would limit compatibility for older devices and platforms. However if someone were in an all TLS1.2 environment, say a very well managed internal ...
1
vote
2answers
73 views

Can you use https only for cookies and not the html?

I have a few questions, all relating to the title. 1) Is it possible to configure a server to receive the cookies using https but then serve all the content with http? 2) Does SE do this / do many ...
0
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0answers
39 views

I Need Wireshark Confirmation on Full Implementation of SSL for YouTube

I've just noticed today that YouTube have implemented SSL over the entire service (including video transfer). I've analyzed the partial SSL YouTube had before and it encrypted the video request but ...
0
votes
1answer
70 views

What is the deal with Valicert SSL root certificates?

Does anyone know what the status of the "Valicert Class 2 Validation Authority" root certificate is or what's going on with Valicert in general? I've heard that that cert has been deprecated, no ...
0
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0answers
33 views

Current State of BREACH (GZIP SSL Attack)?

It has been one year since BREACH made our way into our hearts, and there does not seem to be any articles or posts or patches since then, is my Google-fu weakening? Has BREACH been mitigated or ...
0
votes
1answer
28 views

Why can Oauth2 redirect_uri be a non-https URI?

I'm building a small site which I would like to integrate with LinkedIn for authentication. LinkedIn says that redirect_uri's can be either http:// or https:// (not having to pay for a certificate is ...
3
votes
2answers
43 views

Standard practice for distributing server certificate for users

I have a Winforms app that users have to download and install on their machines. It connects to a WCF service(using SSL), hence requires the server certificate to be installed on users' Trusted ...
3
votes
2answers
82 views

What is the point of secure email gateways?

We run Exchange 2010. Our edge servers run "passive opportunistic TLS" for 99% of the domains we communicate with. For a handful of domains, we have forced TLS on both our end and the other domain's ...
2
votes
1answer
105 views

Capturing iTunes traffic with Wireshark - SSL decryption question

I'm fooling around with Wireshark to capture the activation packets for an iPhone and some other stuff, however the traffic is encrypted. There should be a private SSL key somewhere on my computer to ...
1
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2answers
63 views

Does where I put my PKI certificates matter?

I have an intermediate and a root PKI certificate that I see were already imported into a computers (windows server 2003) certificate store. However both the intermediate and root certificates were ...
1
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0answers
25 views

Key management for hosting applications

We're looking to host a number of client applications in our environment. Some of those will use crypto, e.g. for ssl or database encryption and obviously we'll need to manage keys for that. I am ...
2
votes
4answers
136 views

SSL root certificate optional?

I may have been under the wrong impression on how servers should be setup and what certificates actually get sent over during the server hello certificate message. I came across this today from ...
1
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0answers
29 views

Is there a way to restrict hls key file served by cloudfront (over https) to only authorized users

I have a video file which is distributed after hls packaging and encrypted using aes 128. Since HLS key url is part of the m3u8 file I have to restrict the delivery of key file only to authorized ...
1
vote
1answer
50 views

Would it be possible to use cookie to store SSL Client Certificate?

Lately, I was reading that article about SSL client certificate. Why is nobody using SSL Client Certificate? The answer was to that question was : In the current state, this excellent idea is ...
2
votes
1answer
108 views

How to simulate man in the middle attack in android emulator?

I am new to pen-testing. Yesterday i analysed one android application using dex2jar application and i saw an android application implemented https connection using empty trust manager. class miTM ...
0
votes
1answer
147 views

4096 bit RSA encryption keys vs 2048

Where do 4096 bit RSA keys for SSL certs currently stand in terms of things like CA support, browser support, etc? In the overall scheme of things is the increased security worth the risk of 4096 bit ...
0
votes
1answer
50 views

Browser and SSL support

According to http://en.wikipedia.org/wiki/Transport_Layer_Security#Web_browsers most browsers support SSL 3.0. And with my understanding (please correct me if I am wrong), when a browser just ...
1
vote
1answer
28 views

TLS 1.2 Older Browser Compatibility

We are in the process of upgrading our webservers to support TLS 1.2 but I have heard rumor of very old browsers, such as those used as kiosks will fall over when trying to connect to a server that ...
1
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2answers
51 views

Is it Possible to use one commercial SSL Certificate to issue end user certs?

My organization is preparing to purchase some 50 "units" from Symantec, with which we can purchase Verisign SSL certificates of varying authentication levels. Our organization does not have--but ...
0
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0answers
34 views

What are the risks of submiting from iframe to a SSL site?

I have a SSL site where a user can select items to purchase, register and pay. For payment, the user is redirected to a payment gateway. Once the payment is completed, the user is redirected to our ...
1
vote
1answer
56 views

Is the limited elliptic curve support in rhel/centos/redhat openssl robust enough?

Redhat finally gave in after insisting for years that elliptic curves had patents and disabling them, recently enabling a whopping three algorithms: CentOS 6.5 openssl ecparam -list_curves ...
0
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2answers
32 views

Entering payment information in Android Apps

I'm concerned how android apps that integrate payment processing deal with secure financial information.When purchasing through these apps the apps show the Webpage of the bank asking for credentials. ...