The flag IFF_NO_PI is needed to make sure that no extra protocol
header is added to the payload that is received on the TUN interface.
Signed-off-by: Sander Vrijders <sander.vrijders@xxxxxxxx>
---
src/tools/ovpn/ovpn.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/tools/ovpn/ovpn.c b/src/tools/ovpn/ovpn.c
index d5e9d02..8de794f 100644
--- a/src/tools/ovpn/ovpn.c
+++ b/src/tools/ovpn/ovpn.c
@@ -89,7 +89,7 @@ static int tun_open(char * dev,
memset(&ifr, 0, sizeof(ifr));
- ifr.ifr_flags = IFF_TUN;
+ ifr.ifr_flags = IFF_TUN | IFF_NO_PI;
ret = ioctl(fd, TUNSETIFF, (void *) &ifr);
if (ret < 0)
--
2.19.1
