|author||Joseph C. Sible <email@example.com>||2019-08-20 16:26:25 -0400|
|committer||Pablo Neira Ayuso <firstname.lastname@example.org>||2019-08-21 11:45:25 +0200|
doc: Note REDIRECT case of no IP address
If an IP packet comes in on an interface that lacks a corresponding IP address (which happens on, e.g., the veth's that Project Calico creates), attempting to use REDIRECT on it will cause it to be dropped. Take note of this in REDIRECT's documentation. Signed-off-by: Joseph C. Sible <email@example.com> Signed-off-by: Pablo Neira Ayuso <firstname.lastname@example.org>
1 files changed, 2 insertions, 1 deletions
diff --git a/extensions/libxt_REDIRECT.man b/extensions/libxt_REDIRECT.man
index 3400a6df..28d4d10b 100644
@@ -8,7 +8,8 @@ chains, and user-defined chains which are only called from those
chains. It redirects the packet to the machine itself by changing the
destination IP to the primary address of the incoming interface
(locally-generated packets are mapped to the localhost address,
-127.0.0.1 for IPv4 and ::1 for IPv6).
+127.0.0.1 for IPv4 and ::1 for IPv6, and packets arriving on
+interfaces that don't have an IP address configured are dropped).
This specifies a destination port or range of ports to use: without