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Recent Posts
Tag Archives: scalability
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
1 Comment
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
1 Comment
high performance WAF platform with Naxsi and HAProxy
Synopsis I’ve already described WAF in a previous article, where I spoke about WAF scalability with apache and modsecurity. One of the main issue with Apache and modsecurity is the performance. To address this issue, an alternative exists: naxsi, a … Continue reading
Posted in Aloha, architecture, HAProxy, security
Tagged content switching, ddos, dos, ecommerce, haproxy, high-availability, infrastructure, layer7, naxsi, nginx, performance, reverse-proxy, scalability
3 Comments
Scalable WAF protection with HAProxy and Apache with modsecurity
Greeting to Thomas Heil, from our German partner Olanis, for his help in Apache and modsecurity configuration assistance. What is a Web Application Firewall (WAF)? Years ago, it was common to protect networks using a firewall… Well known devices which … Continue reading
Posted in Aloha, architecture, HAProxy, security
Tagged apache, content switching, ddos, high-availability, infrastructure, mod_security, performance, reverse-proxy, scalability, transparent proxy
6 Comments
How to get SSL with HAProxy getting rid of stunnel, stud, nginx or pound
Update: HAProxy can now handle SSL client certificate: SSL Client certificate management at application level History HAProxy is well know for its performance as a reverse-proxy and load-balancer and is widely deployed on web platforms where performance matters. It is sometimes … Continue reading
