Record Header as part of Handshake messages on TCP/IP stack

I knew that the format of the TLS handshake message is as below.

“Record header+Handshake layer header+ Handshake message”

Now i have confusion while analyzing the TLS handshake messages on TCP. How the structure would look like from server in response to client hello.

Note:- Since TCP can handle segmentation i believe server hello,server crt ,server key exchange,server hello done can be handled can be received in segments and provide to tls.

There fore how does the raw date look like at the end of the all frames received till TCP ?

will be it be as below ?

Record header+Handshake layer header+Server hello +Record header+Handshake layer header+Server crt+Record header+Handshake layer header+server key exchange+Record header+Handshake layer header+server hello done

  or will it be omitting the record header ?? 

Record header+Handshake layer header+Server hello +Handshake layer header+Server crt+Handshake layer header+server key exchange+Handshake layer header+server hello done

TCP/IP Client -> Recibir

Estoy conectando un indicador de peso, he construido un programa que envía y recibe datos por puertos y conexión ip me he logrado conectar al indicador pero no recibo ningún dato al yo mandarle un comando solo me responde FAIL Lo que necesito es que me mande el peso que la bascula da Capturar el 4.7

INDICADOR

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PROGRAMA

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CODIGO

using SimpleTCP; using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Windows.Forms;  namespace Cliente {     public partial class Cliente : Form     {         public Cliente()         {             InitializeComponent();         }          SimpleTcpClient Client;          private void BtnConnect_Click(object sender, EventArgs e)         {             btnConnect.Enabled = false;             Client.Connect(txtHost.Text, Convert.ToInt32(txtPort.Text));         }          private void Form1_Load(object sender, EventArgs e)         {             Client = new SimpleTcpClient();             Client.StringEncoder = Encoding.UTF8;             Client.DataReceived += Client_DataReceived;         }          private void Client_DataReceived(object sender, SimpleTCP.Message e)         {             txtStatus.Invoke((MethodInvoker)delegate ()             {                 txtStatus.Text += e.MessageString;                 //e.ReplyLine(string.Format("you said:{0}", e.MessageString));              });         }          private void BtnSend_Click(object sender, EventArgs e)         {             Client.WriteLineAndGetReply(txtMessage.Text,TimeSpan.FromSeconds(3));         }     } } 

Can I receive and send custom TCP/IP requests with Google Cloud?

I need to working with devices that operate at the TCP/IP level for communication. This would involve me configuring such devices with a google cloud server address and port and then accepting TCP/IP requests from each device. Communication would be achieved by inspecting the TCP packet headers for custom codes and sending custom TCP requests back.

Are there any products available on Google Cloud that would allow this level of configuration?

Unable to connect Android ADB over TCP/IP

I tried to connect to my phone through WiFi using Android ADB but i can’t connected i tried this steps:

adb kill-server
adb tcpip 5555
adb connect 192.168.1.16:5555

And get this message

cannot connect to 192.168.1.16:5555: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond. (10060)

Honeypot detection: How is TCP/IP implemented on honeypots?

I’m currently studying how to do honeypot detection and was wondering if a possible lead is to analyse how honeypots implement their TCP/IP protocol.

I’ve been looking through the source code for a number of the honeypots (e.g. Kippo) but haven’t found where they implement this protocol. I’m not sure the honeypot has left it to the OS to run the TCP/IP, or maybe I’m looking in the wrong places.

Any advice is appreciated. thanks!

Using VirtualBox a TCP/IP port appears to be listening from one server but not from another

I have Oracle VirtualBox on my Windows 10 machine. I have two linux VMs which are getting the same IP address (despite my efforts to give them different IP addresses). I tried changing the /etc/network/interface file. But they get the same IP address.

I have configured port forwarding in the settings of these VMs in the Oracle VirtualBox “Network Adapter” settings. This way I can connect to them with unique IP addresses with Putty from my Windows 10 machine.

When I do this from each Linux machine, I get different results:

nmap -p 8140 x.x.x.x 

Instead of x.x.x.x, I am using the IP address that was configured for one server in the port forwarding/network adapter settings. This is the IP address I use to connect to the server with Putty.

From the server that has the IP addresss x.x.x.x, I see port 8140 is “Open” (and thus listening). From the other server, I see port 8140 is “Closed” and thus not filtered/blocked.

I tried to use this “telnet x.x.x.x 8140”, but I got connection refused from the other server. (This telnet command worked from the x.x.x.x server itself.)

What should I do to get consistent nmap results? I did not even realize this scenario was possible.

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