diff options
| author |   Klement Sekera <ksekera@cisco.com> | 2019-05-16 14:35:46 +0200 |
|---|---|---|
| committer |   Ole Trøan <otroan@employees.org> | 2019-05-20 12:13:11 +0000 |
| commit | 3a343d42d7bd90753ea6ed48fe750a7a209b1ddf (patch) | |
| tree | ba831c36c69365d67a2d20d7a6d447b831a1b88e /src/vnet/ip/ip4_error.h | |
| parent | b388e1a50603a07e20007141221ca4f4a18ab698 (diff) | |
reassembly: prevent long chain attack
limit max # of fragments to 3 per packet by default
add API option to configure the limit at runtime
Change-Id: Ie4b9507bf5c6095b9a5925972b37fe0032f4f9e8
Signed-off-by: Klement Sekera <ksekera@cisco.com>
Diffstat (limited to 'src/vnet/ip/ip4_error.h')
| -rw-r--r-- | src/vnet/ip/ip4_error.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/vnet/ip/ip4_error.h b/src/vnet/ip/ip4_error.h index badcc6609e9..d3bf6d79714 100644 --- a/src/vnet/ip/ip4_error.h +++ b/src/vnet/ip/ip4_error.h @@ -86,6 +86,8 @@ /* Errors signalled by ip4-reassembly */ \ _ (REASS_DUPLICATE_FRAGMENT, "duplicate/overlapping fragments") \ _ (REASS_LIMIT_REACHED, "drops due to concurrent reassemblies limit") \ + _ (REASS_FRAGMENT_CHAIN_TOO_LONG, "fragment chain too long (drop)") \ + _ (REASS_NO_BUF, "out of buffers (drop)") \ _ (REASS_MALFORMED_PACKET, "malformed packets") \ _ (REASS_INTERNAL_ERROR, "drops due to internal reassembly error") |