IT Security - Port Scanning Countermeasure

To avoid or at least lessen the risk of your computer or system being scanned by some known Scanners, just follow the following:

1. Install a Firewall. We recommend BlackIce from NetworkIce.com or Zone Alarm from ZoneLabs.com

2. Install an AntiVirus. We recommend Kaspersky, NOD32, Avast, eScan, and AVG

3. Install these two (2) softwares to protect the sensitive ports; Snort from Snort.org and Tiny Software from TinySoftware.com

4. Disable SNMP

5. Block the ICMP (e.g. ping)

6. Block all ports that are NOT needed. But if you need to open some of the ports, just make sure that you BLOCK the following PORTS:

135 to 159, 256 to 258, 389, 445, 1080, 1745, and 3268

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