You'll have to monitor the veth-a interface.
#Use wireshark to monitor traffic install
(You can also use the MASQUERADE rule if you prefer)įinally, you can run the process you want to analyze in the new namespace, and wireshark too: ip netns exec test thebinarytotest Install Wireshark: On Windows, download Wireshark and install with the default selections If the Protocol field lists UNKNOWN, select Analyze->Enabled. Ifconfig veth-b up 192.168.163.254 netmask 255.255.255.0Ĭonfigure the routing in the test namespace: ip netns exec test route add default gw 192.168.163.254 dev veth-aĪctivate ip_forward and establish a NAT rule to forward the traffic coming in from the namespace you created (you have to adjust the network interface and SNAT ip address): echo 1 > /proc/sys/net/ipv4/ip_forward The setup might seem a bit complex, but once you understand it and become familiar with it, it will ease your work so much.Ĭreate a test network namespace: ip netns add testĬreate a pair of virtual network interfaces (veth-a and veth-b): ip link add veth-a type veth peer name veth-bĬhange the active namespace of the veth-a interface: ip link set veth-a netns testĬonfigure the IP addresses of the virtual interfaces: ip netns exec test ifconfig veth-a up 192.168.163.1 netmask 255.255.255.0 Yes, just you need to specify the ip address of the printer by using this filter: ip.src X.X.X.X, then you try to printer you will able to see all in/out traffic from your PC to your printer.
#Use wireshark to monitor traffic how to
If your kernel allows it, capturing the network traffic of a single process is very easily done by running the said process in an isolated network namespace and using wireshark (or other standard networking tools) in the said namespace as well. Once the page finished loading on the phone, press the 'Stop' icon in Wireshark, and save the capture file somewhere safe, called something like 'CaptureLJ.pcapnp'. Learn how to use the Wireshark packet analyzer to monitor network traffic, as well as how to use the Wireshark packet sniffer for network traffic analysis. I know this thread is a bit old but I think this might help some of you:
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