1
vote
1answer
135 views

option http-server-close on HAProxy haproxy-1.5-dev19 will result in Connection: close header sent in response

I basically have the following issue: whenever I add option http-server-close to the haproxy config (either in frontend or backend section), haproxy will send a Connection: close header in the ...
-1
votes
1answer
67 views

How do I know that my TCP connection is safe from the Firewalls/NAT?

Being on the Azure cloud, I found that the firewalls there drop connections between the Web server and the database quite often. Mostly when there was some inactivity, I think something between 5 and ...
0
votes
1answer
183 views

Is tcp_keepalive application dependant on Linux?

According to http://tldp.org/HOWTO/TCP-Keepalive-HOWTO/index.html , the kernel keepalive function occurs at the OS level, and doesn't require an application to explicitly call it. However I also read ...
1
vote
1answer
506 views

netstat reports ESTABLISHED connection even after I've pulled the cord

I'm experimenting with lost connections between my java application and my mysql server. The application and the server are on two different machines and I'm pulling the physical cord between the ...
2
votes
0answers
239 views

A tool to measure overhead of establishing TCP connections

I need a tool which would while doing port forwarding measure how much time was spent establishing TCP connections vs total time passed. Charles debugging proxy has the port forwarding feature and ...
8
votes
4answers
20k views

How do I make cURL use keepalive from the command line?

I'm trying to verify that HTTP persistent connections are being used during communication with a Tomcat webserver I've got running. Currently, I can retrieve a resource on my server from a browser ...
2
votes
1answer
9k views

Enabling system wide TCP keepalives on a Windows system

Can I change/add the KeepAliveTime and related registry variables to make a Windows machine send TCP keepalive packets on an idle connection? I want to know if anyone has successfully got this ...
0
votes
2answers
4k views

Configuring keepalives with TOAD client communication

I have a scenario where long-idle sessions of TOADSoft client communication with the Oracle server seem to be torn down as they timeout on an intermediate state-full firewall. These sessions could ...