Scan for open ports

Are TCP 139 (netbios-ssn) and TCP 445 (microsoft-ds).2. Scan 10.6.6.0/24 Subnet: Perform a nmap -sN scan on the 10.6.6.0/24 subnet.┌──(root㉿Kali)-[~]└─# nmap -sN 10.6.6.0/24 Starting Nmap 7.94 ( ) at 2023-10-03 12:10 UTCNmap scan report for webgoat.vm (10.6.6.11)Host is up (0.000010s latency).Not shown: 997 closed tcp ports (reset)PORT STATE SERVICE8080/tcp open|filtered http-proxy8888/tcp open|filtered sun-answerbook9001/tcp open|filtered tor-orportMAC Address: 02:42:0A:06:06:0B (Unknown)Nmap scan report for juice-shop.vm (10.6.6.12)Host is up (0.000011s latency).Not shown: 999 closed tcp ports (reset)PORT STATE SERVICE3000/tcp open|filtered pppMAC Address: 02:42:0A:06:06:0C (Unknown)Nmap scan report for dvwa.vm (10.6.6.13)Host is up (0.000011s latency).Not shown: 999 closed tcp ports (reset)PORT STATE SERVICE80/tcp open|filtered httpMAC Address: 02:42:0A:06:06:0D (Unknown)Nmap scan report for mutillidae.vm (10.6.6.14)Host is up (0.000011s latency).Not shown: 998 closed tcp ports (reset)PORT STATE SERVICE80/tcp open|filtered http3306/tcp open|filtered mysqlMAC Address: 02:42:0A:06:06:0E (Unknown)Nmap scan report for gravemind.vm (10.6.6.23)Host is up (0.000011s latency).Not shown: 994 closed tcp ports (reset)PORT STATE SERVICE21/tcp open|filtered ftp22/tcp open|filtered ssh53/tcp open|filtered domain80/tcp open|filtered http139/tcp open|filtered netbios-ssn445/tcp open|filtered microsoft-dsMAC Address: 02:42:0A:06:06:17 (Unknown)Nmap scan report for 10.6.6.100 (10.6.6.100)Host is up (0.000011s latency).All 1000 scanned ports on 10.6.6.100 (10.6.6.100) are in ignored states.Not shown: 1000 closed tcp ports (reset)MAC Address: 02:42:0A:06:06:64 (Unknown)Nmap scan report for 10.6.6.1 (10.6.6.1)Host is up (0.000011s latency).Not shown: 999 closed tcp ports (reset)PORT STATE SERVICE22/tcp open|filtered sshNmap done: 256 IP addresses (7 hosts up) scanned in 4.70 secondsAre there any potential target computers on this subnet running SMB services? Which computer or computers? How do you know?Yes, the computer at 10.6.6.23 is a potential target. It has ports 139 and 445 open,

Managing switch port utilization helps you ensure that your network has enough available ports for any new devices attempting to connect. The services running in your system ports need to be constantly checked to ensure that only authorized services are running, since when one service is running on a port, no other service can utilize the port. These factors make it important to ensure that there are enough ports available for authorized applications to communicate with your network.Enhanced network visibility with OpUtils Port Scanner Quickly identify open ports and vulnerabilities. Scan and analyze TCP/UDP ports for security risks. Generate detailed reports for network audits.Thank you for downloading.Scanning ports with OpUtils: A look into OpUtils' sample port scan resultsOpUtils' effective port scanning capability enables full-fledged network scanning to help you detect open ports in your network and identify the services running on them. With switch port scanning, OpUtils helps you gain in-depth insights into how your network switch ports are connected and the end device accessing each of them. To better understand how you as a network admin can take advantage of this capability, let's have a look into one of OpUtils sample port scan results.Initiating a port scan in OpUtilsFor system ports: Network admins can trigger an open port scan using the Port Scanner tool available under OpUtils' comprehensive network toolset. Using this tool, network admins can scan ports associated to a single IP address or range of IP addresses by specifying the starting and ending IP. Once the IP details and port range requirement is specified, OpUtils starts scanning all the ports within the specified range. An open port scanner is crucial for detecting open ports and addressing potential vulnerabilities to strengthen network security.For switch ports: OpUtils offers flexible switch port discovery options, enabling you to get started with monitoring your entire network's switch ports within minutes. You can choose to add your switches for port scanning through network discovery, importing from a CSV file, or by specifying the switch addresses for switch discovery.Open port scanner resultsUpon running an open port scan, OpUtils displays the list of scanned ports, their response time and status, and the service currently running in the port. This helps network admins get insights into all the services currently accessing their network ports. Admins can validate this list with the authorized services and block all any malicious services communicating with their systems. Not just that, with the list of all open ports in the network, network admins can also choose to close these open ports to enhance network security and reduce the pathways of possible malicious network access.Some of the common port services scanned by OpUtils’ port scanning software are,Port NumberPort Services21File Transfer Protocol22Secure File Transfer Protocol23Telnet – unencrypted text messages25Simple Mail Transfer Protocol161Simple Network Management Protocol3389Remote Desktop ProtocolSwitch port scanning and insights into network communicationOpUtils' switch port scanner enables network admins to scan and map network switches to ports and their connected devices. Scanning switch ports with this end-to-end port scanning tool gives network

44.94 secondsBasically, these nmap scan results indicate that we scanned a subnet with a total of 4096 IP addresses. In addition, no hosts were up or responding to the scan within that subnet. Therefore, nmap did not detect any active devices within the specified IP address range during the scan.4.3. Scanning All PortsActually, we can use nmap to scan all ports on remote or local servers. We can achieve this by using the -p option, which provides information about filtered, open, and closed ports. Also, the command is helpful during activities like network mapping, reconnaissance, etc.For example, let’s use the -p option to scan for open ports on a network:$ nmap -p 1-65535 scanme.nmap.org Starting Nmap 7.94SVN ( ) at 2024-04-24 14:45 EDTNmap scan report for scanme.nmap.org (45.33.32.156)Host is up (0.24s latency).Other addresses for scanme.nmap.org (not scanned): 2600:3c01::f03c:91ff:fe18:bb2fNot shown: 65529 filtered tcp ports (no-response)PORT STATE SERVICE22/tcp open ssh80/tcp open http110/tcp open pop31720/tcp open h323q9319929/tcp open nping-echo31337/tcp open EliteNmap done: 1 IP address (1 host up) scanned in 637.64 secondsIn this example, we’re able to get information about the open ports and services running on the target system from the scan results. Additionally, from the result, 65529 TCP ports were filtered, indicating that nmap received no response from those ports. This is because of firewall rules, network configuration, or other factors restricting access to those ports.4.4. OS and Service DetectionMore so, nmap enables us to detect the OS and service of the targets. We can achieve this by specifying the -A option. The -A option enables aggressive scanning, combining various techniques, including script scanning and traceroute, to provide more detailed information about the target system and its services.For example, let’s use the -A option to detect the OS and service of the targets:$ nmap -A scanme.nmap.org Starting Nmap 7.94SVN ( )