Improve "recursive routing" warning

PATCH New Lev Stipakov 1 participant 1 message May 29, 2018

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Lev Stipakov

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2018-05-29 09:32 UTC #0 lore raw

PATCH 1/1 Improve "recursive routing" warning

- print protocol, source/dest addresses and ports
- mention "--allow-recursive-routing"
- add possible usecase to manpage

Trac #843

Signed-off-by Lev Stipakov <[email protected]...>

---
 doc/openvpn.8         |  4 ++-
 src/openvpn/forward.c | 89 +++++++++++++++++++++++++++++++++++++++++++++++----
 2 files changed, 86 insertions(+), 7 deletions(-)

doc/openvpn.8 +3 -1

index 4114f40..262d4ea 100644
@@ -4072,7 +4072,9 @@ notifications unless this option is enabled.
 .TP
 .B \-\-allow\-recursive\-routing
 When this option is set, OpenVPN will not drop incoming tun packets
-with same destination as host.
+with same destination as host. Could be useful when packets sent by openvpn
+itself are not subject to the routing tables that would move packets
+into the tunnel.
 .\"*********************************************************
 .SS Data Channel Encryption Options:
 These options are meaningful for both Static & TLS\-negotiated key modes

src/openvpn/forward.c +83 -6

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