Modbus was introduced in 1979 and was not designed to be available on public networks! Devices using this protocol should not be available on the internet under any circumstances! Basically, if I can see this protocol via Internet then I own your device!
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How to force Roundcube to use SSL
Roundcube is a web-based IMAP email tool. It simply allows you to browse and manipulate content from email server easily using your browser. However if you are a system administrator of if you have your own mail server it is highly recommended to use a SSL certificate when you are going to read your emails.
This way, you avoid interception of connection credentials and emails content, especially when you are connecting from free WiFi networks. Continue reading →
How to remotely REBOOT, SHUTDOWN and PowerOFF Linux from terminal
Some time if you have a dedicated server or you have access to a server that have Linux as Operating System and you want to restart or reboot or shut down the computer you can do this from putty after you’re connected to that system. Since you are logged in with putty you have access to terminal. Well, connected with putty mean the same thing with terminal so all commands from putty will work on terminal too and vice versa.