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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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Why can't we contact a specific address range from inside our LAN?

We can't connect to a specific external server from inside our LAN. However we can connect to the same server from outside our LAN, at home, or using a mobile phone. It was working just fine for months, and one day it stopped working. I can't…
Chris Vesper
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Browser prematurely closes connection

I am working on a legacy system where an intermittent problem keeps happening at what seems to be times where there is a lot of load on the network. I am using IE6 to access a webpage generated by a CGI-script (the actual HTML generation takes quite…
erik
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Will I get banned or blocked for running a diagnostic app?

This may seem like a simple question. Hopefully it will have a simple answer. I run an internet radio station. There are 3 machines. Music source client Stage server Master server (relays the signal from the stage server to our listeners) Recently…
square_eyes
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Windows Machines dropping connection to local linux site

Problem We host a website locally for employees to use to complete their work. We noticed once and a while an employee will lose connection to the local website and can not access the site anymore even though other employees still can. We found…
Robert
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Amazon EC2 unable to connect to instance

I had to change keypair on my instance. I have created an EBS AMI image of the original instance and created a new one with the image. I can ping the instance but ssh connection is refused. One thing that may be causig the problem is that a…
Elwhis
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Is the connection from PHP to a different MySQL server 100% secure?

I tried to find this information but was not able to. How is working the connection from PHP to MySQL server. As the password is sored plain, is it also sent plain to MySQL if it is stored on a different server? Is there any way for a…
Sébastien
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Do AWS ELB, HAProxy or nginx drop the connection if a backend servers is down?

I wonder which ones of the following load balancers is able to detect an unavailable backend machine, and redirect the connection to another server without dropping the request: nginx AWS Elastic Load Balancer HAProxy
Mark
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Cannot connect to mysql database remotely using jdbc

I am trying to connect to my database which is hosted on 000webhost. I am connecting from SmartFoxServer, and they allow database connections. All you have to do is change some of the settings in the smartfoxserver xml file. I have successfully…
Joe Slater
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Alter new and existing session Command Timeout value

My first post so please me... I’m a self-taught DBA in a manufacturing environment full of engineers who like to fiddle. Although I have not given them sysadmin or any explicit extra rights I have an issue with some engineers running ‘killer’…
Steve Smith
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How to solve this IP address/connection conflict during server move?

I'm trying to move the content of a Windows 2008 server to a new hardware and encountered the following problem: The IP should be moved with the server to avoid changing lots of DNS records. Therefore I added the old server's IP as an alias-IP on…
Emsi
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opening firewall 1433 port to IP address that require a direct connection

We are upgrading from sql server 2005 to sql server 2008 and windows server 2008 R2. New server is behind a firewall, we have 30 or so windows XP machines, that will require the port 1433 to be open, because they are old Windows applications that…
Max Marchevsky
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OpenSSH Can't Connect on Fedora 17

Having trouble SSH'ing to an internal server that is outside of an enterprise level firewall. I have a fresh install of Fedora 17. Here is the command I'm running: ssh root@ Unfortunately, I get this error…
Eric Hepperle - CodeSlayer2010
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SQL Server 2008 intermitent error 40 running parallel queries

Here's our setup : We are using Red Gate SQL Multi-Script to run queries on our ~1000 databases which reside on a single SQL Server 2008. SQL Multi Script can be configured to run queries in parallel on multiple databases at the same time, which…
MaxiWheat
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What are some simple ways to capture network failures/drops to requests sent to a sql server?

What are some simple ways to capture network failures/drops to requests sent to a sql server? SQL Server comes with a Profiler tool, but doesnt seem to log dropped requests, instead only successful queries, which in case of failures isn't all that…
Sam P
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Unable to SSH into EC2 instance on Fedora 17

I did following steps But I am not able to SSH to it(Same steps work fine on Fedora 14 image). I am getting Permission denied (publickey,gssapi-keyex,gssapi-with-mic) I created new instance using fedora 17 amazon community image(ami-2ea50247). I…
Alex
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