We are currently building at AFRICASYS a mobile platform application to solve problem around drugs accessibility for population and one of the major requirements at performance level was expressed as:
« The platform MUST be able to handle 100.000 users requests per minute ». Now that the development as reached the 1st milestone, the team has to prove that the application can actually take that load…. Here comes
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 →