diff --git a/doc/openvpn.8 b/doc/openvpn.8
index 9e988b3..21a3c42 100644
--- a/doc/openvpn.8
+++ b/doc/openvpn.8
@@ -2500,12 +2500,13 @@ consecutive messages in the same category.  This is useful to
 limit repetitive logging of similar message types.
 .\"*********************************************************
 .TP
-.B \-\-compress [algorithm]
+.B \-\-compress [algorithm] ["nowarn"]
 Enable a compression algorithm.
 
 The
 .B algorithm
-parameter may be empty, "stub", "stub-v2", "lzo", "lz4", or "lz4-v2".
+parameter may be empty, "any", "stub", "stub-v2", "lzo", "lz4", or "lz4-v2".
+If left empty, OpenVPN defaults to "any".
 
 LZO and LZ4 are different compression algorithms, with LZ4 generally offering
 the best performance with least CPU usage.  For backwards compatibility with
@@ -2532,6 +2533,12 @@ e.g. the CRIME and BREACH attacks on TLS which also leverage compression to
 break encryption.  If you are not entirely sure that the above does not apply
 to your traffic, you are advised to *not* enable compression.
 
+If you have carefully considered the above, and are sure that using compression
+is safe for your use case, you can add
+.B "nowarn"
+as the second parameter to suppress warnings about the risk of enabling
+compression.
+
 .\"*********************************************************
 .TP
 .B \-\-comp\-lzo [mode]
diff --git a/src/openvpn/comp.c b/src/openvpn/comp.c
index a945913..a34e64a 100644
--- a/src/openvpn/comp.c
+++ b/src/openvpn/comp.c
@@ -40,6 +40,20 @@
 struct compress_context *
 comp_init(const struct compress_options *opt)
 {
+    switch (opt->alg)
+    {
+        case COMP_ALG_UNDEF:
+        case COMP_ALG_STUB:
+        case COMP_ALGV2_UNCOMPRESSED:
+            break;
+        default:
+            if (!(opt->flags & COMP_F_NOWARN))
+            {
+                msg(M_INFO, "WARNING: Compression enabled, might be insure. "
+                    "See --compress in the man page.");
+            }
+    }
+
     struct compress_context *compctx = NULL;
     switch (opt->alg)
     {
diff --git a/src/openvpn/comp.h b/src/openvpn/comp.h
index 0dadd1e..0fa9b10 100644
--- a/src/openvpn/comp.h
+++ b/src/openvpn/comp.h
@@ -56,6 +56,7 @@
 #define COMP_F_ASYM       (1<<1) /* only downlink is compressed, not uplink */
 #define COMP_F_SWAP       (1<<2) /* initial command byte is swapped with last byte in buffer to preserve payload alignment */
 #define COMP_F_ADVERTISE_STUBS_ONLY (1<<3) /* tell server that we only support compression stubs */
+#define COMP_F_NOWARN     (1<<4) /* Suppress warning about insure compression */
 
 
 /*