I have a peculiar problem where a c# app works on all other machines and other client machines I have tested. But does not establish a connection on my clients Windows Server 2012 hosted by his ISP...

I'm trying to establish a TCP connection to a remote server using SslStream and TLS 1.2 protocol. The code is as follows: _tcpClient.Connect(endPoint); var certificate = new X509Certificate2(_set...

Software environment: Ubuntu 20.04 LTS server; Android AOSP 8.0; OpenJDK 8; It works very well util yesterday I upgraded my OpenJDK from 8u282 to 8u292. Now the broken building log says: Ensuring...

I've had a Spring Boot web application running successfully in both a Staging and Production environment with an nginx proxy with SSL certificates for a few months now. All of sudden, last night I ...

Scenario: We have a device similar to a WiFi router that has UI and API exposed The device will run on any LAN out of our control, just like a WiFi router runs on any house. The device doesn't be...

I am developing an API connected to Stripe using Node.js and express framework. My API is running in a container (FROM node:10.1.0), and I am running the container on a Ubuntu 16 VM using docker-co...

Using terraform I'm provisioning infra in AWS for my K3S cluster. I have provisioned an NLB with two listeners on port 80 and 443, with appropriate self-signed certs. This works. I can access HTTP ...

I have a .NET 4.8 application which is a small Excel Add-in (thus running in Office/Excel) which performs HTTP (REST) requests and shows the data in Excel. On the webserver we reconfigured to only ...

I have an Azure Storage V2 account setup and I am trying to block TLS 1.0 and 1.1. I have set the Minimum TLS version to 1.2 but when I test the storage account using SSL Labs or other tools to tes...

Local tomcat is not starting and it is failing when trying to creating bean that connects to Oracle DB. The error is java.sql.SQLRecoverableException: IO Error: Connection reset. The only change we...

I have .NET 4.5.2 application that is using SmtpClient to send emails. The application is installed on Windows 2012 R2 server. When I disable TLS 1 and TLS 1.1 and enable only TLS 1.2, the applicat...

My application is a form of "web scraper" which loads the HTML from a desired input page using the Java Jsoup library. I recently upgraded my application platform from Java 8 to Java 11. With this ...

I’ve been trying to use NGINX as a TLS terminator for my PostgreSQL database but without success. When I try to connect to the database I get the following error: server closed the connection un...

A question about Spring Boot MVC with Tomcat and TLSv1.3 I used to have a Spring Boot MVC, Tomcat based web app, with very simple business logic, over ssl HTTPS. Per security team review, I had to ...

I am consuming json webservice using Spring3.0 restTemplate by calling post method. MultiValueMap<String, String> headers = new LinkedMultiValueMap<String, String>(); headers.add("C...

I need to support Diffie Hellman encryption, now in order to test this i need to create a certificate with DH key parameters eg. key-length - 2048 etc. Now as i understand DH doesn't work with se...

I'm trying to update my application's TcpClient to use TLS with SslStream instead of the normal Stream, the code i'm using for this seems to work outside of Unity, but fails when integrated in my U...

Iam having this strange issue in which the retrofit keeps throwing me "SSL handshake aborted: ssl=0x618d9c18: I/O error during system call, Connection reset by peer" in kitkat, whereas the s...

My java 8 application is communicating with other system via rest, secured with TLS1.2. Last 2 java patches (261, 271) has broken the connection, because they have added some backward compatibility...

My question is simple. My server's operating system is Windows Server 2012 r2 and all updates were made on it. When I run the iiscrypto I couldn't find TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 cipher...

I want to monitor my tls certificates in Kubernetes using Prometheus and get a dashboard in grafana. I want to monitor their expiry and would want to get an alert when the certificates are going to...

I am trying to get Redis 6 (with TLS enabled during compilation, tests after compilation were successful) to work. I am using Lets Encrypt certificate and following configuration: tls-port 63790 tl...

Since the release of ios13 I have a strange problem in my iOS app due to tls connection error to my backend. If I try to connect to the backend via the simulator (iOS 13) it works fine, if I instal...

I am seeing below error when I hit a service over https. I've tried changing TLS version in Soap ui VM options file as below: -Dsoapui.https.protocols=TLSv1.0 -Dsoapui.https.protocols=TLSv1.2 an...

Our client have recently upgrade the security protocol to TLS 1.2. Therefore We have our application upgraded to 4.6.1 expecting the security protocol will be default to TLS 1.2 but it is not. Any ...