How to find the network namespace of a veth peer ifindex?
ip netns set NAME NETNSID – assign an id to a peer network namespace
network-namespaces
port forwarding to application in network namespace with vpn
I was able to set up a network namespace, establish a tunnel with openvpn and start an application that uses this tunnel inside the namespace. So far so good, but this application can be accessed via a web interface and I cant’t figure out how to route requests to the web interface inside my LAN.
Feed all traffic through OpenVPN for a specific network namespace only
I am trying to set up a VPN (using OpenVPN) such that all of the traffic, and only the traffic, to/from specific processes goes through the VPN; other processes should continue to use the physical device directly. It is my understanding that the way to do this in Linux is with network namespaces.
Connect with D-Bus in a network namespace
I am using network namespaces such that I can capture network traffic of a single process. The namespace is connected through the “host” via a veth pair and has network connectivity through NAT. So far this works for IP traffic and named Unix domain sockets.
How to list processes belonging to a network namespace?
I am on Ubuntu 12.04, and the ip utility does not have ip netns identify <pid> option, I tried installing new iproute, but still, the option identify doesn’t
seem to be working!.