diff options
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/libnftables-json.adoc | 11 | ||||
| -rw-r--r-- | doc/payload-expression.txt | 6 |
2 files changed, 17 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] ____ diff --git a/doc/payload-expression.txt b/doc/payload-expression.txt index f1de3447..06538832 100644 --- a/doc/payload-expression.txt +++ b/doc/payload-expression.txt @@ -753,6 +753,7 @@ The following syntaxes are valid only in a relational expression with boolean ty *exthdr* {*hbh* | *frag* | *rt* | *dst* | *mh*} *tcp option* {*eol* | *nop* | *maxseg* | *window* | *sack-perm* | *sack* | *sack0* | *sack1* | *sack2* | *sack3* | *timestamp*} *ip option* { lsrr | ra | rr | ssrr } +*dccp option* 'dccp_option_type' .IPv6 extension headers [options="header"] @@ -855,6 +856,11 @@ ip6 filter input frag more-fragments 1 counter filter input ip option lsrr exists counter --------------------------------------- +.finding DCCP option +------------------ +filter input dccp option 40 exists counter +--------------------------------------- + CONNTRACK EXPRESSIONS ~~~~~~~~~~~~~~~~~~~~~ Conntrack expressions refer to meta data of the connection tracking entry associated with a packet. + |