To check if promiscuous mode is enabled, click Capture > Options and verify the “Enable promiscuous mode on all interfaces” checkbox is activated at the bottom of this window. If you have promiscuous mode enabled-it’s enabled by default-you’ll also see all the other packets on the network instead of only packets addressed to your network adapter. Wireshark captures each packet sent to or from your system. You can configure advanced features by clicking Capture > Options, but this isn’t necessary for now.Īs soon as you click the interface’s name, you’ll see the packets start to appear in real time. See the Wireshark weekly tips for helpful hints on using the tool. (See the pcap-filter man page or, if you dont have a pcap-filter man page, the tcpdump man page for details. Ethanalyzer uses the same capture filter syntax as tcpdump and uses the Wireshark display filter syntax.

For example, if you want to capture traffic on your wireless network, click your wireless interface. If you care about the access point address, rather than the station address, youll need to use filters such as wlan ra XX:XX:XX:XX:XX:XX or wlan ta XX:XX:XX:XX:XX:XX, at least with newer versions of libpcap.

Capturing PacketsĪfter downloading and installing Wireshark, you can launch it and double-click the name of a network interface under Capture to start capturing packets on that interface. Don’t use this tool at work unless you have permission. Just a quick warning: Many organizations don’t allow Wireshark and similar tools on their networks.

Capture filter wireshark mac address