summaryrefslogtreecommitdiffstats
path: root/doc/libnftables-json.adoc
diff options
context:
space:
mode:
authorJeremy Sowden <jeremy@azazel.net>2023-04-11 21:45:34 +0100
committerPablo Neira Ayuso <pablo@netfilter.org>2023-06-01 21:43:16 +0200
commit6ab0fd6c67dbccedb49209b94eb7f740dd32fd2a (patch)
tree8f376a718fd3c1bc28577a6fb00ec5c3ccdf9133 /doc/libnftables-json.adoc
parent19245dd1e0c8e1e007a3b98527e379337d57b49a (diff)
exthdr: add boolean DCCP option matching
Iptables supports the matching of DCCP packets based on the presence or absence of DCCP options. Extend exthdr expressions to add this functionality to nftables. Link: https://bugzilla.netfilter.org/show_bug.cgi?id=930 Signed-off-by: Jeremy Sowden <jeremy@azazel.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'doc/libnftables-json.adoc')
-rw-r--r--doc/libnftables-json.adoc11
1 files changed, 11 insertions, 0 deletions
diff --git a/doc/libnftables-json.adoc b/doc/libnftables-json.adoc
index f4aea36e..f9288487 100644
--- a/doc/libnftables-json.adoc
+++ b/doc/libnftables-json.adoc
@@ -1226,6 +1226,17 @@ If the *field* property is not given, the expression is to be used as an SCTP
chunk existence check in a *match* statement with a boolean on the right hand
side.
+=== DCCP OPTION
+[verse]
+*{ "dccp option": {
+ "type":* 'NUMBER'*
+*}}*
+
+Create a reference to a DCCP option (*type*).
+
+The expression is to be used as a DCCP option existence check in a *match*
+statement with a boolean on the right hand side.
+
=== META
[verse]
____