Network Trace

Network

Ping Host

Verify connectivity to a target host.

ping google.com

Trace Route

Trace the path packets take to reach a host.

traceroute google.com

DNS Lookup

Querry DNS to find IP address of a host.

nslookup google.com

Port Check (Netcat)

Check if a specific port is open on a host.

nc -zv localhost 80

TCP Port Check

Test TCP connection to a specific port.

telnet localhost 80

Nmap Quick Scan

Quickly scan most common ports.

nmap -F localhost

Nmap Full Scan

Comprehensive scan of all 65k ports.

nmap -p- localhost

HTTP Verbose Check

Detailed HTTP connection trace.

curl -v http://localhost

Network Diagnostics: These commands are common utilities found on most Unix-like systems (Linux, macOS). For Windows, some commands like `telnet` or `nmap` may require manual installation.