Networking
pfSense high memory usage
If you are using pfSense as a Firewall you may have experienced a sudden drop in available memory. Report of high memory usage have started with version 2.5.1 Below is a graphic view of a […]
Networking
Cisco IOS
Upgrade Catalyst IOS & features
Downloading an Image File Using TFTP You can download a new image file and replace the current image or keep the current image. Beginning in privileged EXEC mode, follow Step 1 to download a new […]
Networking
Well-Known ports
The port numbers in the range from 0 to 1023 (0 to 2^10 − 1) are the well-known ports or system ports. They are used by system processes that provide widely used types of network […]