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HAProxy doesn't keep-alive http connection

I've switched on the option http-keep-alive in the defaults, as well as tried it in the frontend definition. But the Response Headers in the browser never show up keep-alive, although its there in ...
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1answer
118 views

Haproxy - timeout http-request vs timeout http-keep-alive vs timeout server

I'm trying to wrap my head around how the haproxy options timeout http-request <timeout> timeout http-keep-alive <timeout> timeout server <timeout> interact with each other. I'm ...
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42 views

Keep-Alive on forwarding proxy

I have a forwarding proxy (apache 2.2) configured in my environment. My server uses it to connect to a server in the Internet. Is it possible to configure proxy so that it reuses tcp connections ...
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149 views

Scriptable FTPS client able to send Keep Alive to control port?

We need a FTP client that satisfies the following constraints: Windows Command-line scriptable, so we can automate it...sorry, FileZilla (?) FTPS, as it seems to perform better than SFTP The ability ...
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1answer
251 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 ...
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1answer
1k views

Tuning tcp_keepalive_time for Node.js leak

I'm currently having a socket leak with my Node.js application. This bug is also posted here. I hope to fix this soon. CLOSE_WAIT and FIN_WAIT2 seem to be the major problem. Connections: 1662 ...
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2answers
660 views

Is it possible to tell nginx over fastcgi to pass a Connection: close header through unaltered?

TL;DR: How can I tell nginx from my php-fpm backend to a) send a "Connection: close" header and b) to not buffer my response? I have a set up running php-fpm behind nginx. In general, this works very ...
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0answers
561 views

Apache 2.2: RewriteMap, ProxyPass interpolation and Keep-Alive

I have an Apache httpd used as a SSL reverse proxy frontend for a lot of backends. I compute the name of the backend from the path given by the user. e.g: https://myhostname.com/myaccount translates ...
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2answers
539 views

In Nginx can I set Keep-Alive dynamically depending on ssl connection?

I would like to avoid having to repeat all the virtualhost server {} blocks in nginx just to have custom ssl settings that vary slightly from plain http requests. Most ssl directives can be placed ...
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2answers
3k views

How filter only keep-alive packet with tcpdump

I need to analyze a traffic-dump on my network to check if all the PCs have enabled tcp keep-live features. I'm using tcpdump for that purpose. What I need to know is if there is a possibility to ...
2
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1answer
3k views

Configure keep alive timeout on Jetty 6.1.19

How do you set the timeout on keep alive connections to the Jetty web server (in my case v6.1.19)? I would like to configure how long Jetty keeps connections open when a client requests keep alive. ...
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1answer
156 views

Ubuntu concurrent connections

I'm behind a proxy that is "Enterprise DDoS Protected". On a normal day with normal connections to all my servers the concurrent connections on the proxy is 17,000. Yes 17,000 is normal for the nature ...
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2answers
672 views

keepAlive in Apache causing apache to reach its max_clients

I have an Apache 2.2 running on ubuntu 11.4 with 16Gb RAM, for image hosting from mobile phones through GPRS,since connection is slow i have enabled keepalive and set time out to 6,**based on average ...
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1answer
2k views

Is it better to disable Keep-Alive in IIS 7 for high traffic web applications?

The advice below applies to Apache, but it seems generic enough to apply regardless of system. My architecture is 3 web servers behind a load balancer. My IIS servers currently have keep-alive enabled ...
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2answers
1k views

How to add persistent connection support to a load-balanced HTTP webservice

We are working on an HTTP webservice load-balanced using haproxy. The webservice is accessed via SSL. It is a RESTful HTTP service and simply accepts JSON, does some work, and returns JSON. There is ...
3
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1answer
559 views

How do I confirm whether a particular Apache configuration directive is set?

How do I dynamically check/list a particular Apache configuration directive? I know that this can be checked manually from httpd.conf file, but is there any other way this can be confirmed/found from ...
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2answers
999 views

Apache Config for High Page View, Long Session Users - KeepAlive and MaxRequest variables

I am currently running a web app that sees several (~15) users logging in once each day, and then leaving the web app open where it automatically refreshes with new content every 5 minutes. Each user ...
2
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1answer
3k views

Keep-Alive header not sent from Tomcat 5.5 http connector?

We're currently using a hardware load balancer, which then goes to Apache and that then goes to Tomcat 5.5 via the AJP connector. We've decided to dump apache for various reasons - In our current ...
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0answers
91 views

Problem with MSDE 2000 5 minute keepalive over ISDN

We have a SQL Server transactionally pushing replicate data to an MSDE 2000 SP3a subscriber over ISDN. Prior to a recent upgrade to bring us to the MSDE 2000 level we pushed to MSDE 1. We are finding ...