Questions tagged as 'tls'

Tagged questions
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Why does the server send 2 public keys to the TLS handshake?

During information exchange in the TLS handshake, the server sends a public key together with the certificate. The server also sends a second public key (Server Key Exchange) if the client accepts the certificate. If the server has already se...
asked by 09.11.2017 / 10:22
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Protect the server from "false requests"

I am doubtful about safety. When I want to add date or receive, I make an HTTP POST or GET request to my server, which returns the response in JSON. Assuming it is an application that shows a list of movies (returned by the JSON format server)....
asked by 18.12.2017 / 04:23
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What is the difference between .cer, .pfx and .pvk?

I was fiddling with some files that are digital certificates and security certificates, so I came to doubt: What is the difference between a .cer , .pfx and file. pvk ?     
asked by 05.05.2017 / 15:05
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What is the difference between the X.509 and PKCS # 7 terms in digital certificates?

Via a WebApi .Net 4.6.1 I'm integrating with a service that requires data to be sent on a TLS 1.2 connection digitally signed using the PKCS#7 pattern, but when checking an integration example , I realized that the implementatio...
asked by 12.12.2018 / 18:47
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Using TLS 1.2 in the .NET Framework 2.0

I want to use TLS 1.2 on a Webclient call in the framework .NET 2.0 Is it possible? try { using (System.Net.WebClient client = new System.Net.WebClient()) { string u = client.UploadString(url, xml); return u;...
asked by 04.12.2017 / 18:51
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How to tell if a server is using TLS 1.0 or 1.1?

Recently I received an email requesting to update the TLS version of my site from 1.0 to 1.1 or higher. I find it strange why my site uses SSL and not TLS . How can I check which of these protocols are active? OBS 1. The site is host...
asked by 15.06.2018 / 13:53
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TLS 1.2 in Spring Java

Does anyone know how to configure for the Java application to use TLS 1.2? Is this setting done in the Java application or the server? I'm using Spring 3.1 Thank you     
asked by 26.04.2018 / 17:44
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TLS 1.2 Protocol CT-e 3.0 and NF-e 4.0

I am developing the CT-e 3.0 and the NF-e 4.0, in which it cites the need to change the security protocol from SSL to TLS 1.2 with the deadline of 04/02/2018. In the receiving webservice you have no information about the protocols, the docume...
asked by 17.10.2017 / 14:47
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TLS version in NFe 4.0 urls

I'm implementing the NFe 4.0 webservices and would like to ask a question about what defines the security protocol that is used in communication. The behavior of the connection is different for some machines and is causing problems. Both machine...
asked by 12.04.2018 / 15:03
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Error consuming webservice NFSe with mutual authentication - handshaking

I have a problem to consume the electronic invoice webservice of the city of Sertãozinho. The server in this NFS uses Tomcat with mutual authentication (handshaking). The production server address is: [https://nfe.sertaozinho.sp.gov.br:844...
asked by 11.04.2018 / 16:03