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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 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. Visit the remote server to view and inspect the captured packets to confirm expected results or identify anomalies.I know this thread is a bit old but I think this might help some of you:. ![]() However, you can manually invoke a capture stop using this command when fewer than 1000 packets have been captured. The capture automatically terminates when this packet count is reached. Note: The tool captures a maximum of 1000 total bi-directional packets. This dummy0 IP address is not used at any point other than this piece of the configuration and is only used by the NTI daemon: Enter a 32-bit or 64-bit (default) netmask. You may use any fake IP address, but an RFC1918 address is recommended. ![]() Place the NTI daemon file on the Linux server typically, in the root home directory (/root). #WIRESHARK CAPTURE FILTER ALL TRAFFIC NETMASK ZIP FILE#
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