IP_TTL socket option is defined on some systems that don't have SOL_IP.
Use IPPROTO_IP in this case.
---
src/proto_tcp.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/src/proto_tcp.c b/src/proto_tcp.c
index f698889..3642398 100644
--- a/src/proto_tcp.c
+++ b/src/proto_tcp.c
@@ -1456,7 +1456,11 @@ static enum act_return
tcp_exec_action_silent_drop(struct act_rule *rule, struct
* network and has no effect on local net.
*/
#ifdef IP_TTL
+#ifdef SOL_IP
setsockopt(conn->t.sock.fd, SOL_IP, IP_TTL, &one, sizeof(one));
+#else
+ setsockopt(conn->t.sock.fd, IPPROTO_IP, IP_TTL, &one, sizeof(one));
+#endif
#endif
out:
/* kill the stream if any */
--
2.3.6
