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Questions tagged [connection]

A connection generally refers to a TCP/IP connection, that is established as the result of the handshake between 2 hosts.

A connection generally refers to a TCP/IP connection, that is established as the result of the handshake between 2 hosts. But can also refer to the establishment of end to end connectivity of the underlying link layer, or a database connection, or some other data-orientated communication that proceeds after an initial negotiation phase.

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Polling x amount of URL's every second with Java

Is it even possible to poll let's say 10,000 URL's every second? I do keep threading in mind with the following code: for (int i = 0; i < 10000; i++) { Executors.newScheduledThreadPool(10).scheduleWithFixedDelay(new Runnable() { …
Daniël Leushuis
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Cannot Reach Website - GoDaddy Domain & AWS Server

I'm in urgent need of help. My website is down and I don't know where to begin troubleshooting. I have a GoDaddy domain and am running an AWS EC2 instance. The Issue: When I try to access the website from my chrome browser, it keeps loading, and…
Utkarsh Sinha
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How to handle localized connectivity issues between web services

Our web application uses various web services, most of which are not managed by us, but by an external service provider (e.g. Auth0 is one of those services). Recently, our application failed because a critical service was not reachable. Various…
theDmi
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MYSQL - is `localhost` faster than domain name (i.e. mysql.domain.com )

Some hosting providers doesn't have localhost as mysql hostname, instead they give-out mysql.example.com as host-name to be used in applications. Could there be any difference in performance, as they, instead of having 127.0.0.1 (or even localhost)…
T.Todua
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How to troubleshoot connection error from windows to unix?

Sidenote: I am still trying to fix this issue. I have a ubuntu server running bind on 192.168.0.2, listening to :53 # netstat -tulpn //output shortened tcp 0 0 192.168.0.2:53 0.0.0.0:* LISTEN 3795/named Running dig on that machine (dig google.de…
Lars Ebert
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IPv6 connections from outside the LAN are timing out; what is blocking the connection?

as I understand with ipv6 there is no NAT so every client on a network will get a different public ip address (so there is no need for port forwarding). so I checked on my network and indeed every computer has a different public ipv6 address which I…
Timothy Werquin
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How to avoid 'too many connection' error in MySQL

It often happens that when trying to load the data from the database i`m getting an exception 'To many connection'. I do not know the internal features of the database work, so i do not understand what is considered to be a connection, when a…
Plaguemaster
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Is ARP Connection oriented or connectionless?

Is ARP Connection oriented or connectionless? It uses TCP, but does that consider it connection oriented?
Rick
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Can bad DNS replication cause a user to loose connectivity to a shared drive

We have multiple users that loose connections to shared drives on a particular server. I am able to ping the server hosting the files but can not see the host, or directories. Also its not 1 user, its almost all users accessing the particular drive…
never.bro
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Unable to use Remote Desktop connect to Windows server 2003 by Terminal Services

I have a system composed with few windows servers 2003 R2, one is built as the domain controller another one as a web server. I tried to remotely log on the domain controller with a wyse thin client (linux v6) using rdp. On the domain controller,…
chi330 chang
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Only allow a specific client to talk to a server

I have the following situation: have a server (ubuntu) running an application. I have a client (only the one client) requesting stuff from that server. To execute the requests, the client has to provide valid credentials. Now someone could track…
jan
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Connecting VoIP Phones to a Laptop

I'm trying to connect two VoIP phones to a laptop using the internal ethernet adapter and a usb-to-ethernet adapter. My configurations are as follows: Laptop eth0 - 121.1.2.1/24 Gateway - 121.1.2.4 eth1 - 123.1.2.1/24 Gateway - 123.1.2.4 VoIP…
THE DOCTOR
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How to allow remote connection to MySQL only for specific accounts in CentOS VPS?

I have a CentOS VPS. Port #3306 for MySQL is open for all customers, and they can connect to their databases remotely. As this can be a cause of security issues, I would like to stop all remote connections to MySQL by default and let only some…
Mohammad Bagher Saberi
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Router drops connection

We are having trouble with our Draytek router, and I thought this would be the best place to ask. Our current set-up: Cisco EPC3925 modem to our connection point Draytek Vigor2850 router connected directly to the Cisco modem LAN connection through…
Deniz Zoeteman
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I can't ping my server from certain IP

I have 2 internet connections from 2 different ISPs with static IPs, lets call them A and B. A connects to the server in several ways (ping, SSH, HTTP), while B cannot do anything (ping, SSH, HTTP). I ran tcpdump on the server using connection A,…
wael34218
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