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Questions tagged [client-server]

60 questions
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Understanding clients-server max-concurrent-connections and TIME_WAIT state

I know there are a lot of questions and also answers around the TIME_WAIT state of a socket connection, but somehow non of them (or maybe from an experts perspective all of them) help me to understand my problem (or find possible solutions). My…
Philipp
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OpenVPN : Unrecognized option or missing parameter(s) in client.ovpn:15: block-outside-dns

None of the methods on the net worked for me so I decided to ask. When I try to sudo openvpn --config client.ovpn I get the result of Wed Aug 2 22:53:18 2017 Unrecognized option or missing parameter(s) in client.ovpn:15: block-outside-dns…
Barkın Tuncer
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SSH to OpenVPN client from OpenVPN server

I want to access each client of an OpenVPN server over SSH from the server itself. I don't want to enable the client-to-client setting since I don't want each client to talk to each other. I also don't want to access machines on subnets of the…
Pico
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Communicating between private IP addresses on two separate networks through OpenVPN

I'm connecting two networks (Clients A and B) together using OpenVPN. Let's say Client A is behind a NAT with IP addresses 192.168.20.x and Client B is behind a NAT with IP Addresses 172.16.1.x. Is there a way I can configure my setup such that the…
Max Cohen
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SCCM - How do I increase/decrease the interval time when adding a computer to a device collection?

In SCCM - when I add a computer to the Devices and then to a custom device collection, it takes a long time for it to show up in the Custom Device Collection. Is there a way to manipulate this time? I'm assuming that SCCM is goes through a refresh…
CrashFive
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Spurious Retransmission after few days

we have strange situation with our client-server platform. On filed we have 10 clients with same firmware version but on different networks. Client sends 50 bytes of payload to server every 15sec. Clients are connected behind NAT and everything…
Ivan
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Is network delay up always the same as network delay down?

If I have a client-server architecture, is the up delay (from the client to the server) always the same as the down delay (from the server to the client)? On a case-by-case basis of latency measurement, of course I would expect there to be minor…
pookie
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Application works after closing and restarting

I am working with an old Borland 1999 C++ client\server application that I don't have the source code to... unfortunately there is no vendor support or alternative this app. This is a bit of a head scratchier but the application doesn't work when…
Super1337
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Using POP3 and IMAP for same account

When using a mailserver I know that IMAP leaves all the mail in the server while pop3 downloads it and deletes it (sometimes after a few days, depending on the mail client configuration options). My question is, what happens when using both…
Miguel01
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250 users with a data dir on a central server - how would you set it up?

I'd like to get best-practice advice on how to setup a scheme where 250 users or more have OS independent access to their own data-dir / user-dir on a central server in the local network. from the server's perspective: Would you set up a big /users…
isync
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Where should executables be run from? Network share or client?

We have an executable that is used by 50+ client machines on a network and upgraded regularly. Is it acceptable to put the executable on a network share and have the client machines run it from there via a shortcut on their desktop? That way when…
user74150
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Can I use the same machine as a client and server for SSH?

For development tests, I need to setup an SFTP server. So I want to know if it's possible to use the same machine as the client and the server. I tried and I keep getting this error: > Permission denied (publickey). > Connection closed and by…
achraf
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Adding registry entry for TLS 1.2 did not work

The client always communicates using TLS 1.0 , On the Client side, I am having Windows Server 2012 R2 ( which as per the documentation it supports TLS 1.2 ) After going through many forums I realized that adding below registry entry might…
aj8080
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Connect to Openvpn server through http proxy which has a dynamic ip

My openvpn client will have to pass through a http proxy server before connecting to the openvpn server. But the http proxy is on a dynamic ip. From this tutorial -…
Nazia Jahan Trisha
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CentOS 7 SMB Client Slows Down Over Time

I have a CentOS 7 VM running on VMware that is used for archiving data from various servers, the destination is a FreeNAS MiniXL. Some of this is done over ssh, but others are sent using SMB. In either case rsync is used to compare…
TurboAAA
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