![]() On your specific 192.168.0.142 case, I would enquire wether that MySQL could not also be bound to 127.0.0.1. Such is the case usually, for security reasons, of binding to 127.0.0.1, MySQL, postgresql and mongo DBs for only localhost use, redis and others.Ĭonversely, you can find sometimes other ports on non-localhost IPs, especially when you have vhosts in webservers bound to non-localhost IP addresses, and to only listen on those addresses. If you have services that are only bound to the localhost/127.0.0.1 address, they will only show in a 127.0.0.1 nmap scan, and not in others scans to IP addresses on the same host. Nmap done: 1 IP address (1 host up) scanned in 0.16 seconds Other addresses for localhost (not scanned): Nmap scan report for localhost (127.0.0.1) Nmap done: 1 IP address (1 host up) scanned in 0.97 secondsĪre those services shown below but not above exactly those that are closed to the outside but open within my local machine?Īre the services whose security that I should worry about exactly those listed above? Nmap –script banner.nse –script-trace 192.168.0.The following IP address is for my network interface $ nmap 192.168.0.142 The following section explains the usage of category-wise NMAP diverse commands with examples as following - Basic Scanning Commands Goal Generating traffic to hosts on a network, response analysis and response time measurement.įinding and exploiting vulnerabilities in a network. Network inventory, network mapping, and maintenance and asset management.Īuditing the security of a network by identifying new servers. Identifying open ports on a target host in preparation for auditing. Scriptable interaction with the target support using the Nmap Scripting Engine (NSE).Īuditing the security of a device or firewall by identifying the network connections which can be made to, or through it. Version detection – Interrogating network services on remote devices to determine the application name and version number. OS detection – Determining the operating system and hardware characteristics of network devices. Port scanning – Enumerating the open ports on target hosts. For example, listing the hosts that respond to TCP and/or ICMP requests or have a particular port open. Host discovery – Identifying hosts on a network. Nmap can provide further information on targets, including reverse DNS names, device types, and MAC addresses. ![]() ![]() Nmap offers some features for probing computer networks, including host discovery and service and operating system detection. Nmap is a free open source tool, employed to discover hosts and services on a computer network by sending packets and analyzing the retrieved responses.
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