https://bugzilla.mindrot.org/show_bug.cgi?id=2784
Bug ID: 2784
Summary: Add native support for Linux VRF (via SO_BINDTODEVICE
socket option)
Product: Portable OpenSSH
Version: 7.6p1
Hardware: All
OS: Linux
Status: NEW
Severity: enhancement
Priority: P5
Component: ssh
Assignee: [email protected]
Reporter: [email protected]
Created attachment 3061
--> https://bugzilla.mindrot.org/attachment.cgi?id=3061&action=edit
patch
In the past couple of years the Linux kernel gained support for VRF.
Applications can bind to a specific VRF via the SO_BINDTODEVICE socket
option.
Add a new -B option that takes a string as a parameter to both ssh and
sshd, and use it to bind the socket.
https://www.kernel.org/doc/Documentation/networking/vrf.txt
Original mailing list thread asking for this feature:
https://lists.mindrot.org/pipermail/openssh-unix-dev/2015-November/034525.html
A patch implementing the feature is attached. Tested by creating a VRF
and enslaving a virtual device to it, that connects to a VM. Tested
that the VM is reachable over the VRF, and not "normally".
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