How to Filter information based on port Using Wireshark Replace INTERFACE_NAME with the name of the network interface you want to capture on. To start Wireshark from the command line and specify a network interface, users can use the following syntax: wireshark -i INTERFACE_NAME. Replace PORT_NUMBER with the specific port number you want to search for. To start Wireshark from the command line and specify a capture filter, users can use the following syntax: wireshark -f "tcp.port = PORT_NUMBER". Users can also use the -i option to specify the network interface to capture on. The -f option can be used to specify a capture filter for specific port numbers or IP addresses.
Users can start Wireshark from the command line and use various command line parameters to customize the capture. Replace PROTOCOL_NUMBER with the specific protocol number you want to search for. To filter packets by protocol, users can use the following syntax in Wireshark’s filter toolbar: ip.proto = PROTOCOL_NUMBER. Replace IP_ADDRESS with the specific IP address you want to search for. To filter packets by IP address, users can use the following syntax in Wireshark’s filter toolbar: ip.addr = IP_ADDRESS. Wireshark provides a master list of display filter protocol fields and capture filters for specific protocols. Users can filter packets by specific IP addresses or IP ranges.
In addition to filtering by port number, Wireshark also allows filtering by IP address and protocol.