How do I find out what service is using a certain port? I installed freeSSHd on a Windows Server 2008 box that only runs IIS.
Netstat. Displays active TCP connections, ports on which the computer is listening, Ethernet statistics, the IP routing table, IPv. IP, ICMP, TCP, and UDP protocols), and IPv. IPv. 6, ICMPv. 6, TCP over IPv. UDP over IPv. 6 protocols). Used without parameters, netstat displays active TCP connections. Syntaxnetstat. This parameter can be combined with - s. You can find the application based on the PID on the Processes tab in Windows Task Manager. This parameter can be combined with - a, - n, and - p. In this case, the Protocol can be tcp, udp, tcpv. If this parameter is used with - s to display statistics by protocol, Protocol can be tcp, udp, icmp, ip, tcpv. By default, statistics are shown for the TCP, UDP, ICMP, and IP protocols. If the IPv. 6 protocol for Windows. The - p parameter can be used to specify a set of protocols. This is equivalent to the route print command. Press CTRL+C to stop the redisplay. If this parameter is omitted, netstat prints the selected information only once. Remarks. Parameters used with this command must be prefixed with a hyphen (- ) rather than a slash (/). Netstat provides statistics for the following: Proto The name of the protocol (TCP or UDP). Local Address The IP address of the local computer and the port number being used. Find out which process/application is using which. Now we successfully detect and target the suspicious process with the specific port. The name of the local computer that corresponds to the IP address and the name of the port is shown unless the - n parameter is specified. If the port is not yet established, the port number is shown as an asterisk (*). Foreign Address The IP address and port number of the remote computer to which the socket is connected. The names that corresponds to the IP address and the port are shown unless the - n parameter is specified. If the port is not yet established, the port number is shown as an asterisk (*).(state) Indicates the state of a TCP connection. The possible states are as follows: CLOSE.
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