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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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TCP connection stuck in SYN_RECV state despite ACK received, Linux 2.6.18, embedded, ARM

My client cannot connect to my protocol port (TCP) after some network glitches, even though all other protocols (telnet/HTTP/FTP) work fine. netstat shows that my server is listening and tcpdump on the server shows all 3 packets are…
waynix
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Cannot telnet to SQL Server on port 1433

I've been working solidly on this issue for the past three weeks. I cannot seem to find where the actual issue is. I just recently found this article on how to troubleshoot the connection. I made it down to step 4 on the client machine and telnet…
Otacon
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Linux box takes 10 seconds to make a connection

My machine is taking 10 seconds to establish a connection. Once the connection is established, it is up to speed and works correctly. But if I for example ping www.google.com, it takes 5 seconds for PING www.l.google.com (72.14.247.147) 56(84)…
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How can I debug a hanging ssh connection?

I have two virtual servers with the same host provider. After regenerating my SSH keys on my client machine (local) I con only connect to one of the virtual servers. When I connect to the other (both are being done via the terminal) it just hangs.…
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Intermittent MySQL connection errors

I have been recently getting these errors on my server: mysql_connect() [function.mysql-connect ]: Can't connect to MySQL server on 'xxx.xxx.xxx.xxx' (4) I don't think this is a credentials issue since the username, password, host IP, and…
Rolando Cruz
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MySQL - log every connections

I'd like to monitor a MySQL 5.0.77 server and log every incoming connection for a day. I need to know who is connecting to the database. I tried with the general logging but it's logging way too much and I can't keep it on long enough, log file is…
Bastien974
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Can a TIME_WAIT connection be restored?

Is it possible to restore a connection that is in state TIME_WAIT? If not, I use raw packets (forgering the source), is it possible? (Please understand that I do not intend to do bad things, it's just a matter of curiosity)
jyz
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How does apache creates a thread?

While I was talking with my co-workers few days ago, one of them mentioned that apache creates a thread per connection. What does he mean by per connection exactly? Let's say I have a HTML file that contains three images. When I access the file, my…
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Can't add connections to IIS 7 in Windows 7 Ultimate

I enabled IIS but I can't add connections to IIS 7 in windows 7 ultimate. Under File it just has "save connections" which is disabled/'greyed out' and exit. Following picture is just to clarify:
Letseatlunch
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Setting up Linux iptables for FTP PASV mode connections

I've been doing numerous searches and have learned a little every time but have not found the solution to my problem. I have vsftpd setup, using SSL/TLS ive got it working as I needed, but am unable to apply the iptable rules below. Primarily PASV…
farinspace
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Unable to connect to a remote database

I'm playing with MongoDB. I have a good deal of experience with MySQL and was using something called Sequel Pro to connect to remote databases. I'm now trying MongoHub but can't seem to get it to connect to the remote database. I tried a basic SSH…
Josh K
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What's better than wifi to connect servers wirelessly (ethernet-like latency)?

I need to connect some servers wirelessly and would like to know what other technologies (than Wifi) exist to get an idea of the possibilities. It would nice to know the pros/cons, limitations. Thanks Update: This is for servers within the same…
Weboide
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Unable to connect to APNS with java-apns

I've got a Java program running on a firewalled server that is intended to send push notifications to my iPhone app by using java-apns. Problem is, whenever I try to send a notification the library fails to connect to the APNS server. From the stack…
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How do I fix "getaddrinfo: localhost Name or service not found" for telnet server?

I need to enable telnet (no i can't use ssh, and I don't want to discuss why I have to use telnet either), I have 127.0.0.1 localhost.localdomain localhost in /etc/hosts. I have installed telnet-server, chkconfigd it on, and enabled xinetd. SElinux…
Nick Anderson
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Too many active IP Connections

I have a Linksys WRT54GS v7 with a dd-wrt (micro) installed on. When I try to view Active IP Connections, I see too many connection there. Interestingly, there are about 120 connections that originate from my computer. At that time, I have no…
Phuong Nguyen
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