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authorFlorian Westphal <fw@strlen.de>2020-06-22 10:24:57 +0200
committerFlorian Westphal <fw@strlen.de>2020-06-25 20:53:40 +0200
commitfb1486439b6d62cad104b83ecd04ec1a54fc9cae (patch)
treeb7107d64f233ae3829e5a1d8e8244c4850a152fb /doc/statements.txt
parentf16fbe76f62dcb9f7395d1837ad2d056463ba55f (diff)
doc: revisit meta/rt primary expressions and ct statement
Clarify meta/rt ipsec examples and document that 'ct helper set' needs to be used *after* conntrack lookup. Signed-off-by: Florian Westphal <fw@strlen.de>
Diffstat (limited to 'doc/statements.txt')
-rw-r--r--doc/statements.txt5
1 files changed, 5 insertions, 0 deletions
diff --git a/doc/statements.txt b/doc/statements.txt
index 607aee13..9155f286 100644
--- a/doc/statements.txt
+++ b/doc/statements.txt
@@ -218,6 +218,11 @@ has to be assigned before a conntrack lookup takes place, i.e. this has to be
done in prerouting and possibly output (if locally generated packets need to be
placed in a distinct zone), with a hook priority of -300.
+Unlike iptables, where the helper assignment happens in the raw table,
+the helper needs to be assigned after a conntrack entry has been
+found, i.e. it will not work when used with hook priorities equal or before
+-200.
+
.Conntrack statement types
[options="header"]
|==================