Category Archives: Security

Checking for open ports on other systems

Posted on June 7, 2023 by pfb_admin

Testing connectivity and port availability using SSH instead of Telnet – Unix & Linux Stack Exchange Windows: Port open: C:\>ssh -p 121 p4-mfgkex_exchange_identification: read: Connection reset Port closed: C:\>ssh -p 120 p4-mfgssh: connect to host p4-mfg port 120: Connection timed … Continue reading →

Posted in Cmd scripting, Operational Technology, Security, System/DB Administration | Leave a comment

Don’t forget to secure facility and communications equipment

Posted on March 20, 2019 by pfb_admin

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