I've been using Git for the past few months. Recently when I try to clone or to push, I keep on getting this error. I've researched on the internet but so far no solution has worked for me. Does an...

I'm connecting to MSSQL database through my ASP .NET application, but sometimes I got this error while opening connection. Connection Timeout Expired. The timeout period elapsed while attempting t...

I am experimenting right now with SSL configs using KeyManager and TrustManager, everything seems clear to me except the HostNameVerifier part. I have read the followings: https://docs.oracle.com/...

How does a consensus algorithm like Paxos "guarantee safety (freedom from inconsistency)" when two generals prove the "impossibility of designing algorithms to safely agree"? When I consider the s...

In Perl, I can do perl -MIO::Socket::SSL=debug4 my_program.pl This displays SSL handshake in detail DEBUG: .../IO/Socket/SSL.pm:2649: new ctx 98842176 DEBUG: .../IO/Socket/SSL.pm:562: socket not y...

I installed Docker version "Docker version 19.03.8, build afacb8b" and when I try to use the docker pull command, like "docker pull mcr.microsoft.com/mssql/server:2017-latest" by administration per...

I'm trying to connect on a mongodb server, to connect I have to provide a CA cert file and also tls cert file. When I use the following command I don't have issue $ mongo --host customhost:port DB ...

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...

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...

I try to write a Python program which calculates the WPA-handshake, but I have problems with the hashes. For comparison I installed cowpatty (to see where I start beeing wrong). My PMK-generation ...

I have exhausted my capabilities researching and experimenting to solve this problem. I've tried Trust Managers, ssl socket factories, hostName verifiers, scheme registry, ssl context modifications...

When reading TCP source code, I find a confused thing: I know TCP has two queues in 3 way handshake: The first queue stores connections which server has received the SYN and send back ACK + SYN, w...

Apparently, CloudFlare now has some kind of a whitelist for the possible TLS handshake parameters for every known browser. Thus, when I'm sending HTTPS requests using HttpClient, CloudFlare conside...

I have a python websocket server and a nodejs client and I am not able to implement the websocket's Protocol Handshake. Code of python server The following minimal websocket server makes use of F...

I have tried doing the health check of Redis Server using the below code: Jedis jedis = null; try { jedis = new Jedis(System.getenv(REDIS_END_POINT), Integer.parseInt(System.getenv(REDIS_PORT)),...

I've been implementing a WebSocket with JavaScript and I have this one problem: The endpoint that my web-application is connected to doesn't send back a close control frame when I'm sending it one....

I am learning how websocket works in python 3. I add print(sock) to def handshake of _handshake.py in websocket source to learn what is the message inside sock And the result is sth like this: Pri...

before api level 24 my code is working fine but it is giving me error on api level 24( 7.0 Nougat). I am not getting what's going wrong with my code. First Approach is here : <?xml version="1...

So I have an application running node js with socket.io as a backend and normal javascript as frontend. My application has a login system which currently simply has the client send its login data a...

I am trying to download a file using a url link but I am getting following error throw er; // Unhandled 'error' event Error: connect ECONNREFUSED at exports._errnoException (util.js:746:11) ...

Scope: This is a network with one channel composed of 3 Orgs, 1 anchor peer per organization, 1 CA per org and 1 MSP per org. I'm facing an issue on my Hyperledger Fabric network related to the T...

When I make a build, the build is installed in the device but XCode is giving this error: "failed to get reply to handshake packet" and it won't launch the game, so I'm not able to see the consol...

We have an application that is currently running via HTTP protocol. We are aiming to migrate it to HTTPS. We have made the necessary changes, but then during login to the application I am getting a...

I am getting SSL handshake failures randomly when number of concurrent users increases. Though the number is not that big, with only 100 users or so SSL handshake keeps failing randomly. I have set...

I am using Charles 3.7 to debug SSL connections. I was able to view most of the HTTPS connections, however there is 1 or 2 sites that returned "SSLProtocol: handshake alert: unrecognized_name" when...