| by Scott Kilroy

How to Install Ntopng on Ubuntu 20.04

The post How to Install Ntopng on Ubuntu 20.04 appeared first on LinOxide.

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| by Arround The Web

What IP – A Network Information Tool for Linux

What IP is a graphical-based simple network information tool which provides information about IP address and listening ports. It is written in Python and GTK3. It is released under GPL3 license and the source
The post What IP – A Network Information To…

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| by Scott Kilroy

How to Configure Static IP Address on Ubuntu 20.04

Usually, when a client system connects to a network via WiFi or an ethernet cable, it automatically picks an IP address from the router. This is made possible through the DHCP server which auto-assigns
The post How to Configure Static IP Address on Ubu…

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| by Scott Kilroy

See all open ports

lsof -i TCP| fgrep LISTEN

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| by Scott Kilroy

Using netstat

netstat -ntulp displays everything that is listening tcp and udp and the ip that it is listening on

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| by Scott Kilroy

View network traffic (by port number)

To view web traffic (for example) use tcpdump -s 0 -w – port 80 | tcpdump -r – -A

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| by Scott Kilroy

Check open ports with nmap

If you want to check if a particular port is open run nmap -p PORT_NUMBER IP_OR_DOMAIN_NAME for example nmap -p 80 example.com To use nmap to check if a port is open for tcp nmap -p port ipaddress for udp nmap -sU -p port ipaddress  

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