Scanning hosts with nmap is a lot of fun.
How to get useful information from a remote web server using Nmap.
ports
How to show the routing table on Linux with the bash command shell.
The netstat command may be used to show the routing tables for your network connection easily. Use the netstat -r command to achieve this. iMac05:~ admin$ netstat -r Routing tables Internet: Destination Gateway Flags Refs Use Netif Expire default 172.18.31.1 UGSc 31 0 en0 127 localhost UCS 0 0 lo0 localhost localhost UH 0 … Read more
Useful networking commands for listing open ports and listening services.
To print a list of all open ports and established TCP connections, type this command. homer@deusexmachina /etc/asterisk $ netstat -vatn Active Internet connections (servers and established) Proto Recv-Q Send-Q Local Address Foreign Address State tcp 0 0 127.0.0.1:4101 0.0.0.0:* LISTEN tcp 0 0 0.0.0.0:139 0.0.0.0:* LISTEN tcp 0 0 0.0.0.0:111 0.0.0.0:* LISTEN tcp 0 0 … Read more
A quick listing of the most common network ports used today.
The Internet makes use of many ports for connectivity, this is a necessary part of the networks that compose the global network and enables all kinds of network protocols to work together. Here are some of the most common ports in use. Echo: 7 – echo is used to test the communication between hosts. Any … Read more