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Questions tagged [client-server]

60 questions
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TCP protocol strange behaviour in my program

I started working recently in IT field and as first assignment they want me to communicate with a remote board with a simple Socket using Java. Today I completed all the job but I noticed that my messages wasn't correctly received... So I started…
user3649959
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Server sends a handshake failure

I am trying to understand why I get a handshake failure during hello client/hello server session. I am using postman to send this request to the server: $ POST https://192.168.10.211/message Both the machine on which I am running postman and my…
yosra
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Incremental image pulling in a scholl with windows

This is hard for me. I am a teacher at a school and I have to manage the PC room and mobile notebook classrooms. I use GNU/Linux privately, so I am basically a beginner in windows network administration. I need the following: I manually manage a…
Martin
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RST packet and server behavior

If a client send one RST packet to a server, how will the server react? Client ----RST----> Server Does the server close the connexion immediatly or does it wait for another packet to be received? A) Client ----RST----> Server Client <---RST---- …
JoeJoe
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Openvpn setting up new CA.cert, server key on old setup

I mistakenly deleted keys folder with ca.cert, server.key and dh2048.perm. I have multiple clients located various places which are still connecting with server. I want to generate new set of ca.cert,server.key and dh2048.perm and client keys…
DarshanJoshi
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How to run a client-server program on two virtual machines at different locations in Azure?

I created two virtual machines in Azure. One of them is in Australia South and the other is in Central India. I ran client program in one machine and server program in other machine. There are not able to connect to each other. After a little google…
satya
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Windows Server 2012 R2 Secure / authenticated (i.e. using MD5 signed packets) NTP implementation (client) with an external (non AD) Time Server

I would like to ask if Windows Server 2012 R2 is able to authenticated NTP implementation (acting as a client) and using a defined (not Kerberos or AD related) symmetric key for authenticating and exchanging the NTP packets.
Ottootto
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Is it possible to automatically present a client certificate?

When implementing client-side TLS certificates, the browser always presents a pop-up with the available (and possible suitable?) certificates. Is there a way for the server to request a specific certificate which would be immediately provided by the…
WoJ
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How to log HTTP traffic in Fiddler for a Native App communicating with a VirtualBox server?

I have a Windows 7 host machine running Fiddler and a Ubuntu VirtualBox guest. On the host I'm running a client app (native, not .NET or Java) that allows me to set the server name and port but there are no proxy setting options. It's connecting to…
Nick Gotch
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Client Certificate Web Service Call

I have a requirement to call server web service with client certificate. They have provided me one .crt file. I am hosting my project in WindowsServer2008 IIS7. I install .crt from right click properties, as i can't add certificate to Server…
abduIntegral
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I cannot connect to OpenSSH server running on Ubuntu server from Git bash running Windows, through Cyberoam firewall in network

Situation: I am trying to connect from OpenSSH client inbuilt with Git Bash running on Windows 7 professional x64 to OpenSSH server that runs on Ubuntu Server LTS 14 x64. Both of which are over the same local network, that is monitored by Cyberoam.…
Musa Haidari
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What better solution to adopt for client server system implementation by java sockets

I need some advice from someone experienced in networking. I have already created a system designed to monitor some tasks (5-30) that are written in java started by a auomatic scheduler or by operator. These tasks are engaged in systems in the…
danielec
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TCP client and server work for X times but hang after that

I'm a software engineer, but I think my problem needs a network engineer... For the software side of things, have a look at my Stack Overflow…
Michael Balloni
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Client/server application RPC connection gets disconnected very frequently

I have a client/server application that uses RPC for the client to communicate with the server. Fairly regularly, I get an event in the Application log that the RPC connection was disconnected: Client callback failed ((0x80010108) ) I have the…
Chris Thompson
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I am trying to install Hadoop 0.23 but its not getting installed

I am trying to install Hadoop 0.23 on my fedora 13 but its not getting installed.On web every were there is support for hadoop 0.20 installation. I am trying installation from here. Every time i am getting error , Error: JAVA_HOME is not set. I…
CodeBanger
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