Your server can somehow be compromised and used to spam (email): if it’s a cloud or a dedicated server subscribed from a decent provider, they will notify you about that (i speak from experience here :-))
Any way to prevent yourself from that or to block back in case you are facing it already, here are simple iptables rules Lire la suite →
This weekend a friend of mine, owner of a web site dev-hosting company told me about cPanel regular emails alerts regarding recurrent SSH failed login attempts on one of his customers servers from few IPs located in 3 countries.
He asked me about a way to block certain countries via iptables. I wrote something that did the trick Lire la suite →
Telephony and IT integration/coupling is surely something that can bring power or add values in some businesses (Customers Services, Hotlines, Contact Centers, Ordering lines, CRMs, Banks, Political Campaigns, Marketing, Leads Generations/Validations…)
Asterisk being the most open source IPBX used so far, is part of many architectures: small or big, single or clustered…
Here is how Asterisk-JMSConnector fits inside this picture….
To summary this was about deploying a newer version of the same app within the same tomcat container keeping the previous WAR serving the HTTP requests until the new version is successfully deployed to take over the next users’ requests.
Today the target is the same: avoiding to take an application off-line during an upgrade for the happiness of end users 🙂 but through one of Amazon Web Services feature: Elastic Load Balancer! Lire la suite →