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Questions tagged [handshake]

Anything related to handshaking in telecommunications, i.e. a process of automatic (software or hardware) negotiation of communication parameters between two interconnected devices.

Anything related to handshaking in telecommunications, i.e. a process of automatic (software or hardware) negotiation of communication parameters between two interconnected devices.

See Wikipedia page on handshaking.

659 questions
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socket.io handshake return error "Transport unknown"

I'm trying to use elephant.io to send event from my PHP script to my nodejs server. Performing tests with this library I've noticed that the handshake was not happening as expected. After reading the specs about client-server handshake with…
maxwell2022
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Running curl with OpenSSL 0.9.8 against OpenSSL 1.0.0 server causes handshake error?

If I run curl against a machine that is running OpenSSL 1.0.0e for example: curl -v https://shumaker.flexrentalsolutions.com on a machine that is running OpenSSL 0.9.8r I get the following error: About to connect() to…
rogiller
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How to use HostnameVerifier?

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/javase/7/docs/api/javax/net/ssl/HostnameVerifier.html…
beatrice
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Docker: TLS handshake timeout

I've created my own private registry (private-registry) but I'm unable to push images to it. Than I get the following error: The push refers to a repository [private-registry:5000/ubuntu] (len: 1) unable to ping registry endpoint…
user5558501
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HttpClient: ssl handshake on every request

I use static HttpClient, and it works very slowly over https. I have added -Djavax.net.debug=ssl and found that handshaking is started for every https request again. looks like it can not reuse old session, but I can not found why. 9007199254743735,…
John
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what is laddr and raddr in handshake souce code of websocket

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: Print out sock:
Huynh
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How much data it cost to set up a TCP connection?

I am building an app where my phone frequently send data to my server. Since I would be using my mobile data, I was wondering how much data it cost to set up (and tear down?) a TCP connection to my server.
Zhang Yifan
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xcode - failed to get reply to handshake packet

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 console for debugging. The game runs fine if I manually…
Sailendu
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Handshake alert: unrecognized_name error

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 I try to debug it, and I was unable to load the…
kchiewtrc1
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OpenSSL 1.0.1 handshake workaround in Ubuntu?

I've encountered a serious bug in OpenSSL 1.0.1 on Ubuntu 12.04: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=665452 http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=666051 <- dated Oct 3 2012! The gist of it is that I'm able to connect to some…
Zack Morris
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Failed to connect to a server with Golang due x509 certificate relies on legacy Common Name field

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 --authenticationDatabase=DB -u ACCOUNT -p PWD --tls…
Manawasp
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Hyperledger Fabric - Error on Invoke / TLS handshake failed with error tls: first record does not look like a TLS handshake

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 TLS handshake process that occurs when I make an…
zyzz
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SSL Handshake Failing With 'Certificate Unknown'

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 "peer not authenticated" error message. I am…
Pavan Dittakavi
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Php curl set ssl version

Since 3 days I can't connect to the paypal sandbox. I found out that they maybe dissabled the support for SSLv3. So i tried to change the SSL Version in my curl Request by setting : curl_setopt($curl, CURLOPT_SSLVERSION,1); # 1 = TLSv1 But it still…
Ephenodrom
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TLS handshake error

I've set up a docker registry which is using selfsigned certificates but I got this error. What is the meaning of this handshake error? Everytime I try to push an image to my registry, the logs increase. (this are the logs of my registry about…
user5558501
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