Initial security measures for a web facing Linux server

Lesson learned. Even if you are hot-tempered and can't wait to get your application out, do not forget to review your server's security configuration before attaching a public domain to it. Even basic things like leaving a few ports open can become an open door for an attacker to execute an exploit against an application listening on that port. This post covers the measures I took after my newly set up server was attacked. I should have done this before, but I didn't so I had to pay the price for this mistake - my websites were down for a…

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