How to set up several virtual networks - sharing eth0 connection, or only-local, or both? — for...
I wish to generate a number of virtual Ethernet ports to be used for containers and VMs, for the three following scenarios:
- Sharing the existing eth0 which has previously been assigned an IP address by DHCP - switching it if you will - but disallowing 127.0.0.0/8 connections (isolated network, for processes in containers hiding other processes).
- Allowing local-only connections, only seeing things on the local host but hiding external (for containered processes not allowed to connect to the outside world, like unplugging eth0 cable then running it).
- Allowing local (existing 127.0.0.0/8) as well as sharing existing eth0 interface.
The resulting ip commands would be setting up the interface plus the firewall rules (iptables / bpfilter) and possibly masquerading settings.
PS: "Container" as above = (kernel) namespaces + cgroups + seccomp as created by programs like bwrap and firejail.
virtual-machine iproute firejail veth
edited Jan 26 at 18:17
Rui F Ribeiro
39.8k1479134
asked Jan 25 at 13:34
Ned64Ned64
2,61411335
add a comment |
I wish to generate a number of virtual Ethernet ports to be used for containers and VMs, for the three following scenarios:
- Sharing the existing eth0 which has previously been assigned an IP address by DHCP - switching it if you will - but disallowing 127.0.0.0/8 connections (isolated network, for processes in containers hiding other processes).
- Allowing local-only connections, only seeing things on the local host but hiding external (for containered processes not allowed to connect to the outside world, like unplugging eth0 cable then running it).
- Allowing local (existing 127.0.0.0/8) as well as sharing existing eth0 interface.
The resulting ip commands would be setting up the interface plus the firewall rules (iptables / bpfilter) and possibly masquerading settings.
PS: "Container" as above = (kernel) namespaces + cgroups + seccomp as created by programs like bwrap and firejail.
virtual-machine iproute firejail veth
edited Jan 26 at 18:17
Rui F Ribeiro
39.8k1479134
asked Jan 25 at 13:34
Ned64Ned64
2,61411335
add a comment |
I wish to generate a number of virtual Ethernet ports to be used for containers and VMs, for the three following scenarios:
- Sharing the existing eth0 which has previously been assigned an IP address by DHCP - switching it if you will - but disallowing 127.0.0.0/8 connections (isolated network, for processes in containers hiding other processes).
- Allowing local-only connections, only seeing things on the local host but hiding external (for containered processes not allowed to connect to the outside world, like unplugging eth0 cable then running it).
- Allowing local (existing 127.0.0.0/8) as well as sharing existing eth0 interface.
The resulting ip commands would be setting up the interface plus the firewall rules (iptables / bpfilter) and possibly masquerading settings.
PS: "Container" as above = (kernel) namespaces + cgroups + seccomp as created by programs like bwrap and firejail.
virtual-machine iproute firejail veth
edited Jan 26 at 18:17
Rui F Ribeiro
39.8k1479134
asked Jan 25 at 13:34
Ned64Ned64
2,61411335
I wish to generate a number of virtual Ethernet ports to be used for containers and VMs, for the three following scenarios:
- Sharing the existing eth0 which has previously been assigned an IP address by DHCP - switching it if you will - but disallowing 127.0.0.0/8 connections (isolated network, for processes in containers hiding other processes).
- Allowing local-only connections, only seeing things on the local host but hiding external (for containered processes not allowed to connect to the outside world, like unplugging eth0 cable then running it).
- Allowing local (existing 127.0.0.0/8) as well as sharing existing eth0 interface.
The resulting ip commands would be setting up the interface plus the firewall rules (iptables / bpfilter) and possibly masquerading settings.
PS: "Container" as above = (kernel) namespaces + cgroups + seccomp as created by programs like bwrap and firejail.
virtual-machine iproute firejail veth
virtual-machine iproute firejail veth
edited Jan 26 at 18:17
Rui F Ribeiro
39.8k1479134
asked Jan 25 at 13:34
Ned64Ned64
2,61411335
edited Jan 26 at 18:17
Rui F Ribeiro
39.8k1479134
asked Jan 25 at 13:34
Ned64Ned64
2,61411335
edited Jan 26 at 18:17
Rui F Ribeiro
39.8k1479134
edited Jan 26 at 18:17
Rui F Ribeiro
39.8k1479134
edited Jan 26 at 18:17
Rui F Ribeiro
39.8k1479134
39.8k1479134
asked Jan 25 at 13:34
Ned64Ned64
2,61411335
asked Jan 25 at 13:34
Ned64Ned64
2,61411335
asked Jan 25 at 13:34
Ned64Ned64
2,61411335
2,61411335
add a comment |
add a comment |
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