diff --git a/LICENSE.md b/LICENSE.md
new file mode 100644
index 000000000..a38547d4f
--- /dev/null
+++ b/LICENSE.md
@@ -0,0 +1,9 @@
+(c)2020-2022 ZeroTier, Inc., all rights reserved
+
+The code and other documents in this repository are currently proprietary
+to ZeroTier, Inc. unless otherwise indicated in the source file or in a
+LICENSE.md residing in a sub-folder.
+
+This is pending actual release at which point this will be licensed under
+a much more permissive license. We are currently evaluating options
+including the MPL (Mozilla Public License) and others.
diff --git a/aes-gmac-siv/src/impl_gcrypt.rs b/aes-gmac-siv/src/impl_gcrypt.rs
index 678017b72..f7c1ded65 100644
--- a/aes-gmac-siv/src/impl_gcrypt.rs
+++ b/aes-gmac-siv/src/impl_gcrypt.rs
@@ -1,10 +1,4 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at https://mozilla.org/MPL/2.0/.
- *
- * (c)2021 ZeroTier, Inc.
- * https://www.zerotier.com/
- */
+// (c) 2020-2022 ZeroTier, Inc. -- currently propritery pending actual release and licensing. See LICENSE.md.
 
 // AES-GMAC-SIV implemented using libgcrypt.
 
diff --git a/aes-gmac-siv/src/impl_macos.rs b/aes-gmac-siv/src/impl_macos.rs
index 554354d5b..4f903c973 100644
--- a/aes-gmac-siv/src/impl_macos.rs
+++ b/aes-gmac-siv/src/impl_macos.rs
@@ -1,10 +1,4 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at https://mozilla.org/MPL/2.0/.
- *
- * (c)2021 ZeroTier, Inc.
- * https://www.zerotier.com/
- */
+// (c) 2020-2022 ZeroTier, Inc. -- currently propritery pending actual release and licensing. See LICENSE.md.
 
 // AES-GMAC-SIV implemented using MacOS/iOS CommonCrypto (MacOS 10.13 or newer required).
 
diff --git a/aes-gmac-siv/src/impl_openssl.rs b/aes-gmac-siv/src/impl_openssl.rs
index b6e4613ec..9f3387ecd 100644
--- a/aes-gmac-siv/src/impl_openssl.rs
+++ b/aes-gmac-siv/src/impl_openssl.rs
@@ -1,10 +1,4 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at https://mozilla.org/MPL/2.0/.
- *
- * (c)2021 ZeroTier, Inc.
- * https://www.zerotier.com/
- */
+// (c) 2020-2022 ZeroTier, Inc. -- currently propritery pending actual release and licensing. See LICENSE.md.
 
 // AES-GMAC-SIV implemented using OpenSSL.
 
diff --git a/aes-gmac-siv/src/lib.rs b/aes-gmac-siv/src/lib.rs
index f570f94bb..f12910ca0 100644
--- a/aes-gmac-siv/src/lib.rs
+++ b/aes-gmac-siv/src/lib.rs
@@ -1,10 +1,4 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at https://mozilla.org/MPL/2.0/.
- *
- * (c)2021 ZeroTier, Inc.
- * https://www.zerotier.com/
- */
+// (c) 2020-2022 ZeroTier, Inc. -- currently propritery pending actual release and licensing. See LICENSE.md.
 
 #[cfg(any(target_os = "macos", target_os = "ios"))]
 mod impl_macos;
diff --git a/attic/fastudpsocket.rs b/attic/fastudpsocket.rs
index 706d9d16e..a49be423f 100644
--- a/attic/fastudpsocket.rs
+++ b/attic/fastudpsocket.rs
@@ -1,10 +1,4 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at https://mozilla.org/MPL/2.0/.
- *
- * (c)2021 ZeroTier, Inc.
- * https://www.zerotier.com/
- */
+// (c) 2020-2022 ZeroTier, Inc. -- currently propritery pending actual release and licensing. See LICENSE.md.
 
 /*
  * This is a threaded UDP socket listener for high performance. The fastest way to receive UDP
diff --git a/attic/hybridkey.rs b/attic/hybridkey.rs
index 8309edfcf..a923cf59e 100644
--- a/attic/hybridkey.rs
+++ b/attic/hybridkey.rs
@@ -1,10 +1,4 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at https://mozilla.org/MPL/2.0/.
- *
- * (c)2021 ZeroTier, Inc.
- * https://www.zerotier.com/
- */
+// (c) 2020-2022 ZeroTier, Inc. -- currently propritery pending actual release and licensing. See LICENSE.md.
 
 use std::io::Write;
 
diff --git a/zerotier-core-crypto/src/hash.rs b/zerotier-core-crypto/src/hash.rs
index b8ef0e609..e1a6904e6 100644
--- a/zerotier-core-crypto/src/hash.rs
+++ b/zerotier-core-crypto/src/hash.rs
@@ -1,10 +1,4 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at https://mozilla.org/MPL/2.0/.
- *
- * (c)2021 ZeroTier, Inc.
- * https://www.zerotier.com/
- */
+// (c) 2020-2022 ZeroTier, Inc. -- currently propritery pending actual release and licensing. See LICENSE.md.
 
 use std::ffi::c_void;
 use std::io::Write;
diff --git a/zerotier-core-crypto/src/hex.rs b/zerotier-core-crypto/src/hex.rs
index d582f4418..3b2515652 100644
--- a/zerotier-core-crypto/src/hex.rs
+++ b/zerotier-core-crypto/src/hex.rs
@@ -1,10 +1,4 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at https://mozilla.org/MPL/2.0/.
- *
- * (c)2021 ZeroTier, Inc.
- * https://www.zerotier.com/
- */
+// (c) 2020-2022 ZeroTier, Inc. -- currently propritery pending actual release and licensing. See LICENSE.md.
 
 pub const HEX_CHARS: [u8; 16] = [b'0', b'1', b'2', b'3', b'4', b'5', b'6', b'7', b'8', b'9', b'a', b'b', b'c', b'd', b'e', b'f'];
 
diff --git a/zerotier-core-crypto/src/kbkdf.rs b/zerotier-core-crypto/src/kbkdf.rs
index c27590390..40445bc1e 100644
--- a/zerotier-core-crypto/src/kbkdf.rs
+++ b/zerotier-core-crypto/src/kbkdf.rs
@@ -1,10 +1,4 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at https://mozilla.org/MPL/2.0/.
- *
- * (c)2021 ZeroTier, Inc.
- * https://www.zerotier.com/
- */
+// (c) 2020-2022 ZeroTier, Inc. -- currently propritery pending actual release and licensing. See LICENSE.md.
 
 use crate::secret::Secret;
 
diff --git a/zerotier-core-crypto/src/lib.rs b/zerotier-core-crypto/src/lib.rs
index a2427ff94..4f4707d6f 100644
--- a/zerotier-core-crypto/src/lib.rs
+++ b/zerotier-core-crypto/src/lib.rs
@@ -1,10 +1,4 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at https://mozilla.org/MPL/2.0/.
- *
- * (c)2021 ZeroTier, Inc.
- * https://www.zerotier.com/
- */
+// (c) 2020-2022 ZeroTier, Inc. -- currently propritery pending actual release and licensing. See LICENSE.md.
 
 pub mod hash;
 pub mod hex;
diff --git a/zerotier-core-crypto/src/p384.rs b/zerotier-core-crypto/src/p384.rs
index a76432f69..c961a3881 100644
--- a/zerotier-core-crypto/src/p384.rs
+++ b/zerotier-core-crypto/src/p384.rs
@@ -1,10 +1,4 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at https://mozilla.org/MPL/2.0/.
- *
- * (c)2021 ZeroTier, Inc.
- * https://www.zerotier.com/
- */
+// (c) 2020-2022 ZeroTier, Inc. -- currently propritery pending actual release and licensing. See LICENSE.md.
 
 use std::convert::TryInto;
 use std::os::raw::{c_int, c_ulong, c_void};
diff --git a/zerotier-core-crypto/src/poly1305.rs b/zerotier-core-crypto/src/poly1305.rs
index 66c254515..a1b5449c1 100644
--- a/zerotier-core-crypto/src/poly1305.rs
+++ b/zerotier-core-crypto/src/poly1305.rs
@@ -1,10 +1,4 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at https://mozilla.org/MPL/2.0/.
- *
- * (c)2021 ZeroTier, Inc.
- * https://www.zerotier.com/
- */
+// (c) 2020-2022 ZeroTier, Inc. -- currently propritery pending actual release and licensing. See LICENSE.md.
 
 use poly1305::universal_hash::{NewUniversalHash, UniversalHash};
 
diff --git a/zerotier-core-crypto/src/random.rs b/zerotier-core-crypto/src/random.rs
index 3d6b7ca6c..812686383 100644
--- a/zerotier-core-crypto/src/random.rs
+++ b/zerotier-core-crypto/src/random.rs
@@ -1,10 +1,4 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at https://mozilla.org/MPL/2.0/.
- *
- * (c)2021 ZeroTier, Inc.
- * https://www.zerotier.com/
- */
+// (c) 2020-2022 ZeroTier, Inc. -- currently propritery pending actual release and licensing. See LICENSE.md.
 
 use openssl::rand::rand_bytes;
 use std::mem::MaybeUninit;
diff --git a/zerotier-core-crypto/src/salsa.rs b/zerotier-core-crypto/src/salsa.rs
index a0c0fc094..b696d57e4 100644
--- a/zerotier-core-crypto/src/salsa.rs
+++ b/zerotier-core-crypto/src/salsa.rs
@@ -1,10 +1,4 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at https://mozilla.org/MPL/2.0/.
- *
- * (c)2021 ZeroTier, Inc.
- * https://www.zerotier.com/
- */
+// (c) 2020-2022 ZeroTier, Inc. -- currently propritery pending actual release and licensing. See LICENSE.md.
 
 use std::convert::TryInto;
 use std::ptr::{slice_from_raw_parts, slice_from_raw_parts_mut};
diff --git a/zerotier-core-crypto/src/secret.rs b/zerotier-core-crypto/src/secret.rs
index 2813fe818..a7940a2b9 100644
--- a/zerotier-core-crypto/src/secret.rs
+++ b/zerotier-core-crypto/src/secret.rs
@@ -1,10 +1,4 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at https://mozilla.org/MPL/2.0/.
- *
- * (c)2021 ZeroTier, Inc.
- * https://www.zerotier.com/
- */
+// (c) 2020-2022 ZeroTier, Inc. -- currently propritery pending actual release and licensing. See LICENSE.md.
 
 use std::ffi::c_void;
 use std::mem::MaybeUninit;
diff --git a/zerotier-core-crypto/src/varint.rs b/zerotier-core-crypto/src/varint.rs
index 09bb2ecda..2d40e993e 100644
--- a/zerotier-core-crypto/src/varint.rs
+++ b/zerotier-core-crypto/src/varint.rs
@@ -1,10 +1,4 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at https://mozilla.org/MPL/2.0/.
- *
- * (c)2021 ZeroTier, Inc.
- * https://www.zerotier.com/
- */
+// (c) 2020-2022 ZeroTier, Inc. -- currently propritery pending actual release and licensing. See LICENSE.md.
 
 use std::io::{Read, Write};
 
diff --git a/zerotier-core-crypto/src/x25519.rs b/zerotier-core-crypto/src/x25519.rs
index 20d3d195b..fbda07907 100644
--- a/zerotier-core-crypto/src/x25519.rs
+++ b/zerotier-core-crypto/src/x25519.rs
@@ -1,10 +1,4 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at https://mozilla.org/MPL/2.0/.
- *
- * (c)2021 ZeroTier, Inc.
- * https://www.zerotier.com/
- */
+// (c) 2020-2022 ZeroTier, Inc. -- currently propritery pending actual release and licensing. See LICENSE.md.
 
 use std::convert::TryInto;
 use std::io::Write;
diff --git a/zerotier-network-hypervisor/src/error.rs b/zerotier-network-hypervisor/src/error.rs
index 65b666476..fd57bcc2f 100644
--- a/zerotier-network-hypervisor/src/error.rs
+++ b/zerotier-network-hypervisor/src/error.rs
@@ -1,10 +1,4 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at https://mozilla.org/MPL/2.0/.
- *
- * (c)2021 ZeroTier, Inc.
- * https://www.zerotier.com/
- */
+// (c) 2020-2022 ZeroTier, Inc. -- currently propritery pending actual release and licensing. See LICENSE.md.
 
 use std::error::Error;
 use std::fmt::{Debug, Display};
diff --git a/zerotier-network-hypervisor/src/lib.rs b/zerotier-network-hypervisor/src/lib.rs
index 7b7008648..6f5082dae 100644
--- a/zerotier-network-hypervisor/src/lib.rs
+++ b/zerotier-network-hypervisor/src/lib.rs
@@ -1,10 +1,4 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at https://mozilla.org/MPL/2.0/.
- *
- * (c)2021 ZeroTier, Inc.
- * https://www.zerotier.com/
- */
+// (c) 2020-2022 ZeroTier, Inc. -- currently propritery pending actual release and licensing. See LICENSE.md.
 
 pub const VERSION_MAJOR: u8 = 1;
 pub const VERSION_MINOR: u8 = 99;
diff --git a/zerotier-network-hypervisor/src/networkhypervisor.rs b/zerotier-network-hypervisor/src/networkhypervisor.rs
index ebe1a6aa3..744308717 100644
--- a/zerotier-network-hypervisor/src/networkhypervisor.rs
+++ b/zerotier-network-hypervisor/src/networkhypervisor.rs
@@ -1,10 +1,4 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at https://mozilla.org/MPL/2.0/.
- *
- * (c)2021 ZeroTier, Inc.
- * https://www.zerotier.com/
- */
+// (c) 2020-2022 ZeroTier, Inc. -- currently propritery pending actual release and licensing. See LICENSE.md.
 
 use std::time::Duration;
 
diff --git a/zerotier-network-hypervisor/src/util/buffer.rs b/zerotier-network-hypervisor/src/util/buffer.rs
index 4c9f84981..306966363 100644
--- a/zerotier-network-hypervisor/src/util/buffer.rs
+++ b/zerotier-network-hypervisor/src/util/buffer.rs
@@ -1,10 +1,4 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at https://mozilla.org/MPL/2.0/.
- *
- * (c)2021 ZeroTier, Inc.
- * https://www.zerotier.com/
- */
+// (c) 2020-2022 ZeroTier, Inc. -- currently propritery pending actual release and licensing. See LICENSE.md.
 
 use std::io::Write;
 use std::mem::{size_of, MaybeUninit};
diff --git a/zerotier-network-hypervisor/src/util/gate.rs b/zerotier-network-hypervisor/src/util/gate.rs
index f0fcb7b88..3cc09c424 100644
--- a/zerotier-network-hypervisor/src/util/gate.rs
+++ b/zerotier-network-hypervisor/src/util/gate.rs
@@ -1,10 +1,4 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at https://mozilla.org/MPL/2.0/.
- *
- * (c)2021 ZeroTier, Inc.
- * https://www.zerotier.com/
- */
+// (c) 2020-2022 ZeroTier, Inc. -- currently propritery pending actual release and licensing. See LICENSE.md.
 
 use std::sync::atomic::{AtomicI64, Ordering};
 
diff --git a/zerotier-network-hypervisor/src/util/marshalable.rs b/zerotier-network-hypervisor/src/util/marshalable.rs
index 68ec4a05f..8bbe93397 100644
--- a/zerotier-network-hypervisor/src/util/marshalable.rs
+++ b/zerotier-network-hypervisor/src/util/marshalable.rs
@@ -1,10 +1,4 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at https://mozilla.org/MPL/2.0/.
- *
- * (c)2021 ZeroTier, Inc.
- * https://www.zerotier.com/
- */
+// (c) 2020-2022 ZeroTier, Inc. -- currently propritery pending actual release and licensing. See LICENSE.md.
 
 use crate::util::buffer::Buffer;
 
diff --git a/zerotier-network-hypervisor/src/util/mod.rs b/zerotier-network-hypervisor/src/util/mod.rs
index dd9a5763c..ae5aa839b 100644
--- a/zerotier-network-hypervisor/src/util/mod.rs
+++ b/zerotier-network-hypervisor/src/util/mod.rs
@@ -1,10 +1,4 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at https://mozilla.org/MPL/2.0/.
- *
- * (c)2021 ZeroTier, Inc.
- * https://www.zerotier.com/
- */
+// (c) 2020-2022 ZeroTier, Inc. -- currently propritery pending actual release and licensing. See LICENSE.md.
 
 pub mod buffer;
 pub(crate) mod gate;
diff --git a/zerotier-network-hypervisor/src/util/pool.rs b/zerotier-network-hypervisor/src/util/pool.rs
index 1df92b58c..74741ede4 100644
--- a/zerotier-network-hypervisor/src/util/pool.rs
+++ b/zerotier-network-hypervisor/src/util/pool.rs
@@ -1,10 +1,4 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at https://mozilla.org/MPL/2.0/.
- *
- * (c)2021 ZeroTier, Inc.
- * https://www.zerotier.com/
- */
+// (c) 2020-2022 ZeroTier, Inc. -- currently propritery pending actual release and licensing. See LICENSE.md.
 
 use std::ptr::NonNull;
 use std::sync::{Arc, Weak};
diff --git a/zerotier-network-hypervisor/src/vl1/address.rs b/zerotier-network-hypervisor/src/vl1/address.rs
index b076720bb..e6e65bb4c 100644
--- a/zerotier-network-hypervisor/src/vl1/address.rs
+++ b/zerotier-network-hypervisor/src/vl1/address.rs
@@ -1,10 +1,4 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at https://mozilla.org/MPL/2.0/.
- *
- * (c)2021 ZeroTier, Inc.
- * https://www.zerotier.com/
- */
+// (c) 2020-2022 ZeroTier, Inc. -- currently propritery pending actual release and licensing. See LICENSE.md.
 
 use std::hash::{Hash, Hasher};
 use std::num::NonZeroU64;
diff --git a/zerotier-network-hypervisor/src/vl1/dictionary.rs b/zerotier-network-hypervisor/src/vl1/dictionary.rs
index ea5d140d4..7ad43341a 100644
--- a/zerotier-network-hypervisor/src/vl1/dictionary.rs
+++ b/zerotier-network-hypervisor/src/vl1/dictionary.rs
@@ -1,10 +1,4 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at https://mozilla.org/MPL/2.0/.
- *
- * (c)2021 ZeroTier, Inc.
- * https://www.zerotier.com/
- */
+// (c) 2020-2022 ZeroTier, Inc. -- currently propritery pending actual release and licensing. See LICENSE.md.
 
 use std::collections::BTreeMap;
 use std::io::Write;
diff --git a/zerotier-network-hypervisor/src/vl1/endpoint.rs b/zerotier-network-hypervisor/src/vl1/endpoint.rs
index 8bcd7946e..2dd682ea6 100644
--- a/zerotier-network-hypervisor/src/vl1/endpoint.rs
+++ b/zerotier-network-hypervisor/src/vl1/endpoint.rs
@@ -1,10 +1,4 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at https://mozilla.org/MPL/2.0/.
- *
- * (c)2021 ZeroTier, Inc.
- * https://www.zerotier.com/
- */
+// (c) 2020-2022 ZeroTier, Inc. -- currently propritery pending actual release and licensing. See LICENSE.md.
 
 use std::cmp::Ordering;
 use std::hash::{Hash, Hasher};
diff --git a/zerotier-network-hypervisor/src/vl1/fragmentedpacket.rs b/zerotier-network-hypervisor/src/vl1/fragmentedpacket.rs
index e765b469d..cfdf9e504 100644
--- a/zerotier-network-hypervisor/src/vl1/fragmentedpacket.rs
+++ b/zerotier-network-hypervisor/src/vl1/fragmentedpacket.rs
@@ -1,10 +1,4 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at https://mozilla.org/MPL/2.0/.
- *
- * (c)2021 ZeroTier, Inc.
- * https://www.zerotier.com/
- */
+// (c) 2020-2022 ZeroTier, Inc. -- currently propritery pending actual release and licensing. See LICENSE.md.
 
 use crate::vl1::protocol::*;
 
diff --git a/zerotier-network-hypervisor/src/vl1/identity.rs b/zerotier-network-hypervisor/src/vl1/identity.rs
index aa0d48ac1..0d3df6202 100644
--- a/zerotier-network-hypervisor/src/vl1/identity.rs
+++ b/zerotier-network-hypervisor/src/vl1/identity.rs
@@ -1,10 +1,4 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at https://mozilla.org/MPL/2.0/.
- *
- * (c)2021 ZeroTier, Inc.
- * https://www.zerotier.com/
- */
+// (c) 2020-2022 ZeroTier, Inc. -- currently propritery pending actual release and licensing. See LICENSE.md.
 
 use std::alloc::{alloc, dealloc, Layout};
 use std::cmp::Ordering;
diff --git a/zerotier-network-hypervisor/src/vl1/inetaddress.rs b/zerotier-network-hypervisor/src/vl1/inetaddress.rs
index 039a4f407..30f2a0308 100644
--- a/zerotier-network-hypervisor/src/vl1/inetaddress.rs
+++ b/zerotier-network-hypervisor/src/vl1/inetaddress.rs
@@ -1,10 +1,4 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at https://mozilla.org/MPL/2.0/.
- *
- * (c)2021 ZeroTier, Inc.
- * https://www.zerotier.com/
- */
+// (c) 2020-2022 ZeroTier, Inc. -- currently propritery pending actual release and licensing. See LICENSE.md.
 
 use std::cmp::Ordering;
 use std::hash::{Hash, Hasher};
diff --git a/zerotier-network-hypervisor/src/vl1/mac.rs b/zerotier-network-hypervisor/src/vl1/mac.rs
index 3abe95574..bdc463c6f 100644
--- a/zerotier-network-hypervisor/src/vl1/mac.rs
+++ b/zerotier-network-hypervisor/src/vl1/mac.rs
@@ -1,10 +1,4 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at https://mozilla.org/MPL/2.0/.
- *
- * (c)2021 ZeroTier, Inc.
- * https://www.zerotier.com/
- */
+// (c) 2020-2022 ZeroTier, Inc. -- currently propritery pending actual release and licensing. See LICENSE.md.
 
 use std::fmt::Debug;
 use std::hash::{Hash, Hasher};
diff --git a/zerotier-network-hypervisor/src/vl1/mod.rs b/zerotier-network-hypervisor/src/vl1/mod.rs
index 95e20dbc3..df6251777 100644
--- a/zerotier-network-hypervisor/src/vl1/mod.rs
+++ b/zerotier-network-hypervisor/src/vl1/mod.rs
@@ -1,10 +1,4 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at https://mozilla.org/MPL/2.0/.
- *
- * (c)2021 ZeroTier, Inc.
- * https://www.zerotier.com/
- */
+// (c) 2020-2022 ZeroTier, Inc. -- currently propritery pending actual release and licensing. See LICENSE.md.
 
 mod address;
 mod dictionary;
diff --git a/zerotier-network-hypervisor/src/vl1/node.rs b/zerotier-network-hypervisor/src/vl1/node.rs
index e0b24ebdd..c9c23166e 100644
--- a/zerotier-network-hypervisor/src/vl1/node.rs
+++ b/zerotier-network-hypervisor/src/vl1/node.rs
@@ -1,10 +1,4 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at https://mozilla.org/MPL/2.0/.
- *
- * (c)2021 ZeroTier, Inc.
- * https://www.zerotier.com/
- */
+// (c) 2020-2022 ZeroTier, Inc. -- currently propritery pending actual release and licensing. See LICENSE.md.
 
 use std::collections::HashMap;
 use std::hash::Hash;
diff --git a/zerotier-network-hypervisor/src/vl1/path.rs b/zerotier-network-hypervisor/src/vl1/path.rs
index 2a3e82cee..5142de58c 100644
--- a/zerotier-network-hypervisor/src/vl1/path.rs
+++ b/zerotier-network-hypervisor/src/vl1/path.rs
@@ -1,10 +1,4 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at https://mozilla.org/MPL/2.0/.
- *
- * (c)2021 ZeroTier, Inc.
- * https://www.zerotier.com/
- */
+// (c) 2020-2022 ZeroTier, Inc. -- currently propritery pending actual release and licensing. See LICENSE.md.
 
 use std::collections::HashMap;
 use std::sync::atomic::{AtomicI64, Ordering};
diff --git a/zerotier-network-hypervisor/src/vl1/peer.rs b/zerotier-network-hypervisor/src/vl1/peer.rs
index 0f9717b1d..e30dceba4 100644
--- a/zerotier-network-hypervisor/src/vl1/peer.rs
+++ b/zerotier-network-hypervisor/src/vl1/peer.rs
@@ -1,10 +1,4 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at https://mozilla.org/MPL/2.0/.
- *
- * (c)2021 ZeroTier, Inc.
- * https://www.zerotier.com/
- */
+// (c) 2020-2022 ZeroTier, Inc. -- currently propritery pending actual release and licensing. See LICENSE.md.
 
 use std::hash::{Hash, Hasher};
 use std::mem::MaybeUninit;
diff --git a/zerotier-network-hypervisor/src/vl1/protocol.rs b/zerotier-network-hypervisor/src/vl1/protocol.rs
index eb5430d14..9a7431b47 100644
--- a/zerotier-network-hypervisor/src/vl1/protocol.rs
+++ b/zerotier-network-hypervisor/src/vl1/protocol.rs
@@ -1,10 +1,4 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at https://mozilla.org/MPL/2.0/.
- *
- * (c)2021 ZeroTier, Inc.
- * https://www.zerotier.com/
- */
+// (c) 2020-2022 ZeroTier, Inc. -- currently propritery pending actual release and licensing. See LICENSE.md.
 
 use std::convert::TryFrom;
 use std::mem::MaybeUninit;
diff --git a/zerotier-network-hypervisor/src/vl1/rootset.rs b/zerotier-network-hypervisor/src/vl1/rootset.rs
index daf37b9da..7ed912bad 100644
--- a/zerotier-network-hypervisor/src/vl1/rootset.rs
+++ b/zerotier-network-hypervisor/src/vl1/rootset.rs
@@ -1,10 +1,4 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at https://mozilla.org/MPL/2.0/.
- *
- * (c)2021 ZeroTier, Inc.
- * https://www.zerotier.com/
- */
+// (c) 2020-2022 ZeroTier, Inc. -- currently propritery pending actual release and licensing. See LICENSE.md.
 
 use std::collections::BTreeSet;
 use std::io::Write;
diff --git a/zerotier-network-hypervisor/src/vl1/symmetricsecret.rs b/zerotier-network-hypervisor/src/vl1/symmetricsecret.rs
index 0f99a3987..48a5b9b34 100644
--- a/zerotier-network-hypervisor/src/vl1/symmetricsecret.rs
+++ b/zerotier-network-hypervisor/src/vl1/symmetricsecret.rs
@@ -1,10 +1,4 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at https://mozilla.org/MPL/2.0/.
- *
- * (c)2021 ZeroTier, Inc.
- * https://www.zerotier.com/
- */
+// (c) 2020-2022 ZeroTier, Inc. -- currently propritery pending actual release and licensing. See LICENSE.md.
 
 use std::sync::atomic::{AtomicUsize, Ordering};
 
diff --git a/zerotier-network-hypervisor/src/vl1/whoisqueue.rs b/zerotier-network-hypervisor/src/vl1/whoisqueue.rs
index 126002c4c..0dc1e9972 100644
--- a/zerotier-network-hypervisor/src/vl1/whoisqueue.rs
+++ b/zerotier-network-hypervisor/src/vl1/whoisqueue.rs
@@ -1,10 +1,4 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at https://mozilla.org/MPL/2.0/.
- *
- * (c)2021 ZeroTier, Inc.
- * https://www.zerotier.com/
- */
+// (c) 2020-2022 ZeroTier, Inc. -- currently propritery pending actual release and licensing. See LICENSE.md.
 
 use std::collections::{HashMap, LinkedList};
 
diff --git a/zerotier-network-hypervisor/src/vl2/mod.rs b/zerotier-network-hypervisor/src/vl2/mod.rs
index f9ee560b1..6a4f1f248 100644
--- a/zerotier-network-hypervisor/src/vl2/mod.rs
+++ b/zerotier-network-hypervisor/src/vl2/mod.rs
@@ -1,10 +1,4 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at https://mozilla.org/MPL/2.0/.
- *
- * (c)2021 ZeroTier, Inc.
- * https://www.zerotier.com/
- */
+// (c) 2020-2022 ZeroTier, Inc. -- currently propritery pending actual release and licensing. See LICENSE.md.
 
 mod multicastgroup;
 mod networkid;
diff --git a/zerotier-network-hypervisor/src/vl2/multicastgroup.rs b/zerotier-network-hypervisor/src/vl2/multicastgroup.rs
index 852d875d4..113acf3dc 100644
--- a/zerotier-network-hypervisor/src/vl2/multicastgroup.rs
+++ b/zerotier-network-hypervisor/src/vl2/multicastgroup.rs
@@ -1,10 +1,4 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at https://mozilla.org/MPL/2.0/.
- *
- * (c)2021 ZeroTier, Inc.
- * https://www.zerotier.com/
- */
+// (c) 2020-2022 ZeroTier, Inc. -- currently propritery pending actual release and licensing. See LICENSE.md.
 
 use crate::vl1::MAC;
 use std::cmp::Ordering;
diff --git a/zerotier-network-hypervisor/src/vl2/networkid.rs b/zerotier-network-hypervisor/src/vl2/networkid.rs
index 41544462f..45e5e264f 100644
--- a/zerotier-network-hypervisor/src/vl2/networkid.rs
+++ b/zerotier-network-hypervisor/src/vl2/networkid.rs
@@ -1,10 +1,4 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at https://mozilla.org/MPL/2.0/.
- *
- * (c)2021 ZeroTier, Inc.
- * https://www.zerotier.com/
- */
+// (c) 2020-2022 ZeroTier, Inc. -- currently propritery pending actual release and licensing. See LICENSE.md.
 
 use std::hash::{Hash, Hasher};
 use std::num::NonZeroU64;
diff --git a/zerotier-network-hypervisor/src/vl2/switch.rs b/zerotier-network-hypervisor/src/vl2/switch.rs
index 0f7bd50aa..571785a2c 100644
--- a/zerotier-network-hypervisor/src/vl2/switch.rs
+++ b/zerotier-network-hypervisor/src/vl2/switch.rs
@@ -1,10 +1,4 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at https://mozilla.org/MPL/2.0/.
- *
- * (c)2021 ZeroTier, Inc.
- * https://www.zerotier.com/
- */
+// (c) 2020-2022 ZeroTier, Inc. -- currently propritery pending actual release and licensing. See LICENSE.md.
 
 use crate::vl1::node::{InnerProtocolInterface, SystemInterface};
 use crate::vl1::protocol::*;
diff --git a/zerotier-system-service/src/cli/mod.rs b/zerotier-system-service/src/cli/mod.rs
index 124ef2266..488f89197 100644
--- a/zerotier-system-service/src/cli/mod.rs
+++ b/zerotier-system-service/src/cli/mod.rs
@@ -1,9 +1,3 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at https://mozilla.org/MPL/2.0/.
- *
- * (c)2021 ZeroTier, Inc.
- * https://www.zerotier.com/
- */
+// (c) 2020-2022 ZeroTier, Inc. -- currently propritery pending actual release and licensing. See LICENSE.md.
 
 pub mod rootset;
diff --git a/zerotier-system-service/src/cli/rootset.rs b/zerotier-system-service/src/cli/rootset.rs
index 01333e535..8d0af9d11 100644
--- a/zerotier-system-service/src/cli/rootset.rs
+++ b/zerotier-system-service/src/cli/rootset.rs
@@ -1,10 +1,4 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at https://mozilla.org/MPL/2.0/.
- *
- * (c)2021 ZeroTier, Inc.
- * https://www.zerotier.com/
- */
+// (c) 2020-2022 ZeroTier, Inc. -- currently propritery pending actual release and licensing. See LICENSE.md.
 
 use std::io::Write;
 
diff --git a/zerotier-system-service/src/datadir.rs b/zerotier-system-service/src/datadir.rs
index b26ece3b6..5a6a39745 100644
--- a/zerotier-system-service/src/datadir.rs
+++ b/zerotier-system-service/src/datadir.rs
@@ -1,10 +1,4 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at https://mozilla.org/MPL/2.0/.
- *
- * (c)2021 ZeroTier, Inc.
- * https://www.zerotier.com/
- */
+// (c) 2020-2022 ZeroTier, Inc. -- currently propritery pending actual release and licensing. See LICENSE.md.
 
 use std::path::{Path, PathBuf};
 use std::str::FromStr;
diff --git a/zerotier-system-service/src/exitcode.rs b/zerotier-system-service/src/exitcode.rs
index 1d414ced3..f81eddb4b 100644
--- a/zerotier-system-service/src/exitcode.rs
+++ b/zerotier-system-service/src/exitcode.rs
@@ -1,10 +1,4 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at https://mozilla.org/MPL/2.0/.
- *
- * (c)2021 ZeroTier, Inc.
- * https://www.zerotier.com/
- */
+// (c) 2020-2022 ZeroTier, Inc. -- currently propritery pending actual release and licensing. See LICENSE.md.
 
 // These were taken from BSD sysexits.h to provide some standard.
 
diff --git a/zerotier-system-service/src/getifaddrs.rs b/zerotier-system-service/src/getifaddrs.rs
index a696e7649..730d9244c 100644
--- a/zerotier-system-service/src/getifaddrs.rs
+++ b/zerotier-system-service/src/getifaddrs.rs
@@ -1,10 +1,4 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at https://mozilla.org/MPL/2.0/.
- *
- * (c)2021 ZeroTier, Inc.
- * https://www.zerotier.com/
- */
+// (c) 2020-2022 ZeroTier, Inc. -- currently propritery pending actual release and licensing. See LICENSE.md.
 
 use std::mem::size_of;
 use std::ptr::{copy_nonoverlapping, null_mut};
diff --git a/zerotier-system-service/src/localconfig.rs b/zerotier-system-service/src/localconfig.rs
index 4fc7ac671..15aca8248 100644
--- a/zerotier-system-service/src/localconfig.rs
+++ b/zerotier-system-service/src/localconfig.rs
@@ -1,10 +1,4 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at https://mozilla.org/MPL/2.0/.
- *
- * (c)2021 ZeroTier, Inc.
- * https://www.zerotier.com/
- */
+// (c) 2020-2022 ZeroTier, Inc. -- currently propritery pending actual release and licensing. See LICENSE.md.
 
 use std::collections::BTreeMap;
 
diff --git a/zerotier-system-service/src/main.rs b/zerotier-system-service/src/main.rs
index c17e0e3f8..a98505528 100644
--- a/zerotier-system-service/src/main.rs
+++ b/zerotier-system-service/src/main.rs
@@ -1,10 +1,4 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at https://mozilla.org/MPL/2.0/.
- *
- * (c)2021 ZeroTier, Inc.
- * https://www.zerotier.com/
- */
+// (c) 2020-2022 ZeroTier, Inc. -- currently propritery pending actual release and licensing. See LICENSE.md.
 
 pub mod cli;
 pub mod datadir;
diff --git a/zerotier-system-service/src/service.rs b/zerotier-system-service/src/service.rs
index 5496b5db3..f71b92ac0 100644
--- a/zerotier-system-service/src/service.rs
+++ b/zerotier-system-service/src/service.rs
@@ -1,10 +1,4 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at https://mozilla.org/MPL/2.0/.
- *
- * (c)2021 ZeroTier, Inc.
- * https://www.zerotier.com/
- */
+// (c) 2020-2022 ZeroTier, Inc. -- currently propritery pending actual release and licensing. See LICENSE.md.
 
 use std::collections::HashMap;
 use std::hash::Hash;
diff --git a/zerotier-system-service/src/udp.rs b/zerotier-system-service/src/udp.rs
index 2c5b1b675..8a9628414 100644
--- a/zerotier-system-service/src/udp.rs
+++ b/zerotier-system-service/src/udp.rs
@@ -1,10 +1,4 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at https://mozilla.org/MPL/2.0/.
- *
- * (c)2021 ZeroTier, Inc.
- * https://www.zerotier.com/
- */
+// (c) 2020-2022 ZeroTier, Inc. -- currently propritery pending actual release and licensing. See LICENSE.md.
 
 use std::collections::{HashMap, HashSet};
 use std::hash::Hash;
diff --git a/zerotier-system-service/src/utils.rs b/zerotier-system-service/src/utils.rs
index a566d77bd..a7bb60b62 100644
--- a/zerotier-system-service/src/utils.rs
+++ b/zerotier-system-service/src/utils.rs
@@ -1,10 +1,4 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at https://mozilla.org/MPL/2.0/.
- *
- * (c)2021 ZeroTier, Inc.
- * https://www.zerotier.com/
- */
+// (c) 2020-2022 ZeroTier, Inc. -- currently propritery pending actual release and licensing. See LICENSE.md.
 
 use std::path::Path;
 use std::str::FromStr;
diff --git a/zerotier-system-service/src/vnic/common.rs b/zerotier-system-service/src/vnic/common.rs
index 560afcfa7..b3157efd5 100644
--- a/zerotier-system-service/src/vnic/common.rs
+++ b/zerotier-system-service/src/vnic/common.rs
@@ -1,10 +1,4 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at https://mozilla.org/MPL/2.0/.
- *
- * (c)2021 ZeroTier, Inc.
- * https://www.zerotier.com/
- */
+// (c) 2020-2022 ZeroTier, Inc. -- currently propritery pending actual release and licensing. See LICENSE.md.
 
 use std::collections::HashSet;
 #[allow(unused_imports)]
diff --git a/zerotier-system-service/src/vnic/mac_feth_tap.rs b/zerotier-system-service/src/vnic/mac_feth_tap.rs
index b6ec29e44..51a224c8f 100644
--- a/zerotier-system-service/src/vnic/mac_feth_tap.rs
+++ b/zerotier-system-service/src/vnic/mac_feth_tap.rs
@@ -1,10 +1,4 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at https://mozilla.org/MPL/2.0/.
- *
- * (c)2021 ZeroTier, Inc.
- * https://www.zerotier.com/
- */
+// (c) 2020-2022 ZeroTier, Inc. -- currently propritery pending actual release and licensing. See LICENSE.md.
 
 /*
  * This creates a pair of feth devices with the lower numbered device
diff --git a/zerotier-system-service/src/vnic/mod.rs b/zerotier-system-service/src/vnic/mod.rs
index 000bac2b2..7f77dbe43 100644
--- a/zerotier-system-service/src/vnic/mod.rs
+++ b/zerotier-system-service/src/vnic/mod.rs
@@ -1,10 +1,4 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at https://mozilla.org/MPL/2.0/.
- *
- * (c)2021 ZeroTier, Inc.
- * https://www.zerotier.com/
- */
+// (c) 2020-2022 ZeroTier, Inc. -- currently propritery pending actual release and licensing. See LICENSE.md.
 
 pub mod vnic;
 
diff --git a/zerotier-system-service/src/vnic/vnic.rs b/zerotier-system-service/src/vnic/vnic.rs
index 75aad87a6..b7a801ea5 100644
--- a/zerotier-system-service/src/vnic/vnic.rs
+++ b/zerotier-system-service/src/vnic/vnic.rs
@@ -1,10 +1,4 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at https://mozilla.org/MPL/2.0/.
- *
- * (c)2021 ZeroTier, Inc.
- * https://www.zerotier.com/
- */
+// (c) 2020-2022 ZeroTier, Inc. -- currently propritery pending actual release and licensing. See LICENSE.md.
 
 use zerotier_network_hypervisor::vl1::{InetAddress, MAC};
 use zerotier_network_hypervisor::vl2::MulticastGroup;