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nmap
Check most commonly used Ports with TCP Syn
Find Host Services version Numbers
Perform a Fast Scan plus OS and version detection
Perform a TCP null scan to fool a firewall
Perform a Slow comprehensive scan
Print Host interfaces and Routes
Scan a Host to Detect a Firewall
Scan a Host to check it is protected by a Firewall
Scan Hostname using "-v" option
Scan list of Hosts from a File
Scan Multiple Servers using last octet of IP address
Scan Network Excluding Remote Hosts
Scan OS information and Traceroute
Scan Remote host for specific ports with TCP ACK
Scan Remote host for specific ports with TCP Syn
Scan remote hosts using TCP ACK (PA) and TCP Syn (PS)
Check most commonly used Ports with TCP Syn
Find Host Services version Numbers
Perform a Fast Scan plus OS and version detection
Perform a TCP null scan to fool a firewall
Perform a Slow comprehensive scan
Print Host interfaces and Routes
Scan a Host to Detect a Firewall
Scan a Host to check it is protected by a Firewall
Scan Hostname using "-v" option
Scan list of Hosts from a File
Scan Multiple Servers using last octet of IP address
Scan Network Excluding Remote Hosts
Scan OS information and Traceroute
Scan Remote host for specific ports with TCP ACK