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Questions tagged [tls1.3]

TLS (Transport Layer Security) version 1.3 is a security protocol. It is an upgrade of TLS version 1.2, and provides improvements in speed, efficiency, security and privacy.

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How to programmatically detect whether TLS 1.3 is supported on the current OS

I am creating custom UI for enabling/disabling the support for TLS 1.0/1.1/1.2/1.3 on OS level (for Windows). I need to determine whether the current OS supports the different versions of TLS. I've seen the table describing TLS support by Windows…
Borislav Ivanov
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client-server different VM's

I need to create a client, and a server using Go; both reside on two different VM on the cloud. My question is, how do we make a request (say post) from client to server? I am not looking for a code, etc. I am trying to build my understanding before…
Ivette Marie Gonzalez Gueits
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Should I use OpenSSL or gnutls with Apache 2.4?

I went through a lengthy process removing mod_ssl and replaced it with gnutls because I wanted to use TLS 1.3. The difference I’ve noticed is gnutls doesn’t support older, legacy methods, only new ones. OpenSSL supports them all. Is that a better…
ajmcello
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OpenSSL SSL_connect: SSL_ERROR_SYSCALL with Istio on OpenShift

I'm trying to set up TLS on Istio, as per the Istio docs. But when I call the service with curl, I get this: * Connected to my-dataservice.mydomain.net (10.167.46.4) port 443 (#0) * ALPN, offering h2 * ALPN, offering http/1.1 * successfully set…
mdarwin
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.NET 4.8 TLS 1.3 connection to webservice

I need to connect to a webservice that uses TLS1.3. It seems when I use ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls13 it does not connect giving me the exception: "The client and server cannot communicate, because they do not…
leggolos Denrif
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How to add server certificate, which I trust, in postman for 2 way TLS?

I have added my client certificates in postman by going to FILE > SETTINGS > CERTIFICATES > CLIENT CERTIFICATES SECTION. Where do I add the server certificate, which I trust, for 2 way TLS? There is a section above Client certificates called CA…
Sparsh Dutta
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TLS 1.3 to 1.2 downgrading in a proxy

I'm trying to set up a HTTPS proxy that would allow to downgrade TLS 1.3 to TLS 1.2. My actual problem is : old browser + OS, only supports TLS 1.2, can't upgrade... new web server added in the system, only manages TLS 1.3, can't touch it…
Touisteur EmporteUneVache
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How to check TLS version of request

I have okhttp3.OkHttpClient and I make REST request using Retrofit2. interface WebService { @GET("/httptwo") public Call executeRequest(); } //in these 2 methods I initialize server IP, SSLContext, keystore, truststore and all the…
Igor_M
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Updating Fuse to have TLS v1.3

I am new to JBoss Fuse server. The Fuse server version we are using is 7.2. According to undertow.xml file in ${karaf.home}/etc location, we currently support TLSv1, TLSv1.1 and TLSv1.2. Requirement is to add the later versions as well (TLSv1.3 in…
AlwaysALearner
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Erlang TLS with ED25519 certfile

I am creating server code using bare Erlang ssl:listen/2 function. I would like to use TLS certificate using ED25519 algorithm but the server is crashing upon handshake. By digging in the Erlang code it seems that this algorithm is not supported for…
Sgiath
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Implement session resumption for TLS 1.3 available in Java JDK 11

trying to implement TLS 1.2 vs TLS 1.3 handshake measurement with the focus on session resumption. TLS 1.2 is working perfectly fine, with ID and Ticket resumption, but when changing to TLS 1.3 it doesn't. Unfortunately the wireshark data is…
Danzon2504
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The request was aborted could not create SSL/TLS secure channel - HttpWebRequest

I am making a webrequest to an 3rd party api and it was working fine. In between the certificate was changed for the API and now when i make the request from our dev environment, I am getting response as The request was aborted could not create…
Suhail Ismail
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Problem with HTTPs request and SslStream on some sites

I have a simple C# app that makes a HTTPs request using TcpClient and SslStream. Everything works fine, except some websites that use TLS 1.3 are failing. I upgraded project to .Net Framework 4.8, also read slowly…
Zeokat
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TLS with out-of-band Pre-shared keys (PSKs) in Golang

I'm looking for a way to establish TLS sessions using out-of-bound PSK in Go. I control both the server and client. Reading Golang TLS implementation, it seems like the library only supports PSK in session resumption where PSKs are obtained from…
qweruiop
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Xamarin.Forms sending HttpClient GET or POST request to API with TLS 1.3

Any idea what is the workaround on my App. My app works perfectly before when our server using TLS 1.2,After we upgraded to TLS 1.3, all HttpClient POST and GET Request are not working and get the exception INNER…
parpar
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