diff options
| author | Damien Miller <djm@cvs.openbsd.org> | 2006-03-14 11:09:45 +0000 |
|---|---|---|
| committer | Damien Miller <djm@cvs.openbsd.org> | 2006-03-14 11:09:45 +0000 |
| commit | e055a9b4aafcec9f3ea194c18c76a6acced4de30 (patch) | |
| tree | 16e79b671c181e22a40833b796ef7d4d3df308a0 /sys/dev | |
| parent | 5f879104b40ee6ebe805ea5e29d89a98092a3c78 (diff) | |
implement a Unicast Reverse Path Forwarding (uRPF) check for pf(4)
which optionally verifies that a packet is received on the interface
that holds the route back to the packet's source address. This makes
it an automatic ingress filter, but only when routing is fully
symmetric.
bugfix feedback claudio@; ok claudio@ and dhartmei@
Diffstat (limited to 'sys/dev')
0 files changed, 0 insertions, 0 deletions