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Tag Archives: haproxy
Configure syslog-ng to log readable HTTP URL from HAProxy
This tips is provided by Exosec, ex Exceliance mother company. Exosec provides a very good monitoring product called POM, based on Nagios with very strong value added such as very simple administration, application monitoring, etc… For some of their project, … Continue reading
Mitigating the SSL Beast attack using the ALOHA Load-Balancer / HAProxy
The beast attack on SSL isn’t new, but we have not yet published an article to explain how to mitigate it with the ALOHA or HAProxy. First of all, to mitigate this attack, you must use the Load-Balancer as the … Continue reading
Posted in Aloha, exchange 2010, Exchange 2013, HAProxy, security, ssl
Tagged exchange 2010, exchange 2013, haproxy, ssl
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HAProxy, high mysql request rate and TCP source port exhaustion
Synopsys At Exceliance, we do provide professional services around HAPRoxy: this includes HAProxy itself, of course, but as well the underlying OS tuning, advice and recommendation about the architecture and sometimes we can also help customers troubleshooting application layer issues. … Continue reading
Posted in HAProxy, optimization, performance
Tagged haproxy, mysql, performance, scalability, tuning
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Websockets load-balancing with HAProxy
Why Websocket ??? HTTP protocol is connection-less and only the client can request information from a server. In any case, a server can contact a client… HTTP is purely half-duplex. Furthermore, a server can answer only one time to a … Continue reading
Posted in Aloha, HAProxy, optimization
Tagged content switching, haproxy, infrastructure, nodejs, persistence, scalability, websocket
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HAProxy log customization
Synopsis One of the strength of HAProxy is its logging system. It is very verbose and provides many information. HAProxy HTTP log line is briefly explained in an Exceliance memo. It’s a must have document when you have to analyze … Continue reading
Posted in HAProxy, layer7, performance
Tagged haproxy, performance, persistence, reverse-proxy, ssl, sslid, tls
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