Posted in Innovazione

Perché oggi Internet è più libera di ieri

Internet bene comune e come tale non può avere un capo, un dittatore, un presidente. Da oggi, 1 ottobre 2016 è proprio così. Fino a ieri invece l’ultima parola su alcuni aspetti chiave della grande Rete…

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Posted in How to

Yet another post about IPv4 subnetting (non contiguous bits version)

During my current (fulfilling and rewarding actually) teaching activity, I’m seeing amazed faces when I talk about non-contiguous subnet masks. I know, that’s a topic with some historic flavour, nevertheless still good for reasoning and practicing. This…

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Posted in How to

How to restore a little decorum to your SMTP: please RTFM

So, you want to run your own mail server, while someone else holds your beer? Ok, listen, do yourself a favor: please, RTFM, or carefully follow these steps. assign an IP to your SMTP; make…

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