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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.

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Handling handshake lines in RS232 DB9 using rxtxComm

I used rxtxComm to communicate(send and receive data) with Arduino (USB-Serial port). How do i handle the handshake lines like DTR using the rxtxComm library? Can you give me some tutorial on this or some sample code??? Note: I use win7 OS. I…
Rps Deepan
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TCP handshake fails. What causes an ACK to go missing?

The goal is to make an http request from the client browser to my server. Simple stuff; however I'm hitting a wall with the networking portion. In order to expose my server to WAN I have used one of my public IPs and NAT to translate to the private…
SuperNova
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"Received fatal alert: handshake_failure; nested exception is javax.net.ssl.SSLHandshakeException:" in Spring Boot

I need to call an external API that returns the food's name and the food's image URL in JSON format. As shown below. "extendedIngredients": [ { "id": 1001, "aisle": "Milk, Eggs, Other Dairy", "image":…
Devmina
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Approach to design valid/ready handshake

I have implemented valid/ready handshake signals in verilog. I just wanted to know if my approach is right or something is wrong. I shall be happy to know of any improvement. A simple counter is used as an input to fifo. So when fifo is almost full…
Muhammad Atif
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TCP close 2-way handshake with wirshark package

I got a pcap package use tcpdump command. In this pcap, the TCP close in 2-way handshake! Questions: In this picture, can anyone determine who initiated the signal to close the connection? why TCP close in 2-way handshake? it does not make sense!
Leo
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Can a "man in the middle" attack on an https READ all the communication?

If the attacker does the MIM attack before the handshake and whatch it being done, get both public certificates and act just as a listener. Instead of trying to act as one of the parties, just read all the communication to get useful information…
Marco Silva
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In a TSL/SSL Handshake, how is the Cipher Suite information sent in ClientHello used?

https://en.wikipedia.org/wiki/Transport_Layer_Security#Protocol_details I was studying how SSL/TSL handshakes work, and though I get the gist of the asymmetric encryption part, I do not understand the Cipher Suite information during the…
John Suh
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Disable certification chain validation in 2-way SSL

I refer to the second answer to this question: Web Service Client (JAX-WS) in Weblogic(10.3) with 2 way SSL cannot complete the handshake I have a client program that connects to another server A with one-way SSL. To turn off certificate chain…
user3573403
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TLS handshake fails after new certificate used

I am attempting to open a secure socket using the TLS protocol. Looking at the records sent between client and server, I am able to progress through ClientHello, ServerHello, Certificate (server), ServerHelloDone, ClientKeyExchange, and…
janus
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requests.exceptions.SSLError: [SSL: SSLV3_ALERT_HANDSHAKE_FAILURE] sslv3 alert handshake failure (_ssl.c:590)

I have a script that's made in python as below #!/bin/env python2.7 # Run around 1059 as early as 1055. # Polling times vary pick something nice. # Ghost checkout timer can be changed by # adjusting for loop range near bottom. # Fill out personal…
Spencer Lyles
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No client certificate was presented during SSL Handshake

I'd like to ask for explanation. I am using X.509 certificate, and when I tried to post my data to a webservice which I want to communicate with, I am getting the following error: " No client certificate was presented during SSL Handshake can you…
R.You
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Decrypt bytes received from a websocket client on tls before the handshake

I have developed a sockets server compatible with websockets to communicate applications made in java and web. But the latest Chrome and Mozilla updates no longer allow insecure connections to websockets. Then I am forced to decrypt the bytes that…
Diego Borrovich
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SQL Server 2012 Express Connection Timeout Expired

Error Message Picture I installed SQL Server 2012 Express from scratch, but it is not working. Same problem again.
user2148324
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