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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Cannot connect to TCP service from remote host

I have two servers running RHEL 5.8. SRV1 (10.58.192.36) has a service running on port 9002 and I need to connect to this service from SRV2 (10.58.192.42). [root@SRV1 ~]# netstat -anp | grep 9002 tcp 0 0 :::9002 :::* LISTEN 20740/java If I try to…
nvh
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Mysterious Upstream Client ::ffff:81.70.140.65...changes on each error

I read the following post: nginx errors recv failed 104 ...but have a different question... I'm curious to know why there is ANY reference to this mysterious upstream source: ::ffff:81.70.140.65 ...which point to s51468c41.adsl.online.nl Please…
Quasaur
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ssh_exchange_identification: read: Operation timed out

I am trying to connect to my server (Synology DS212) using ssh xxx@yyy -p 22222 -vvv but I can't and I obtain the following error: OpenSSH_6.2p2, OSSLShim 0.9.8r 8 Dec 2011 debug1: Reading configuration data /Users/xxxxx/.ssh/config debug1: Reading…
Guuk
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NSClient++ traffic dropped only for external IP traffic

I am trying to use NSClient++/Icinga to monitor our Windows server boxes at remote locations. I have tested the NSClient on our internal network (192.168.1.*) and it works as expected with the server firewall setup to be permissive of traffic to the…
Sonoman
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Cant ssh to my public ip

I have been able to log on to my dev box (which is in my home network) for a while now, using ssh username@publicip however recently this has become impossible due to the following error ssh_exchange_identification: read: Connection reset by…
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Sometimes my http server does not respond and I see errors like connection reset or timout

Here is the graph from munin that might help and also here is my http.conf: StartServers 8 MinSpareServers 5 MaxSpareServers 40 ServerLimit 2048 MaxClients 2048 MaxRequestsPerChild 8000 PHP…
Mehdi Azizi
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Why is my server so slow to accept connections?

I've noticed that my server seems to be very slow to accept connections - i.e. when analyzing the load time using the Chrome event map, it shows that some tasks can spend multiple seconds waiting for the server to accept a connection. For example…
Sam Heather
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Network Issues Connection to SQL database on MS server

Prior to asking this question, I followed this thread: Cannot telnet to SQL Server on port 1433 I am attempting to connect to a database on a server distinct from the computer upon which I am running WebMatrix. The server has an inbound connection…
Chris
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MySQL connecting issue with Zend App

I've set up a VirtualHost on my local machine (Windows XP with XAMP installed) and installed Zend there as well, now I'm trying to connect to the MySQL database and I get the following error message: Message: SQLSTATE[HY000] [2003] Can't connect to…
wheresrhys
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CustomLog responds but there are no output on client

So my friend had a server that responds incorrectly, for example this request: time curl -vv 'http://x.x.x.x/~a/fsocial/json_eod_per_code/PTBA-2014-2-c.json' * Hostname was NOT found in DNS cache * Trying x.x.x.x... * Connected to x.x.x.x…
Kokizzu
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unable to connect to nginx hosted website from most pcs, yet my local pc connects fine?

i run a website (remotely) using nginx and php, which has been ok for a long while. i recently changed the domain name to a new name and now most web browsers/pcs are unable to connect to the website. they see 'unable to connect' type messages in…
tunist
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Limit connection per domain source

I would like to limit my http request for only one virtualhost on apache, is it possible to do this via iptables for only one virtualhost ? I prefer to do not use apache if it's possible for better performance. If not how I can limit requests for…
Maxence
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ssh_exchange_identification Can't Access to SSH Amazon EC2 (Lock Out)

I get an error in terminal when I'm trying to access my instance in Amazon EC2. I use Centos 6.x server WHM/cPanel, i have access to WHM, but i DON'T have a complete access to FTP or SSH. ssh: connect to host xx.xx.xx.xx port 2020: Connection…
Vilvas
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Can Apache Web Server handle up to 100,000 concurrent connections?

Is it possible to configure Apache Web Server to handle up to 100,000 or more concurrent connections? I know if this were to be possible, it's definitely going to be resource intensive. In that case, what would be the most likely hardware…
user431949
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MySql - Lost /var/lib/mysql directory

So, the thing is that I was messing around with directories to backup and I delete the folder /var/lib/mysql and now i cant connect to my database gettin this error (I'm using plesk panel): **ERROR: PleskFatalException Unable to connect to…
Dani Cuesta
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