diff --git a/CMakeLists.txt b/CMakeLists.txt
index 200827637cb0ddedd8562308e44f9cf9b7c9dcbd..96f37dceec99638ed6185e635c7485876e5908da 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -6,10 +6,10 @@ add_definitions ("-D_GNU_SOURCE")
 
 set(CMAKE_C_FLAGS "-std=c11 -Wall -Wextra")
 
-if(BUILD_DAP_TESTS)
+#if(BUILD_DAP_TESTS)
     enable_testing()
     add_subdirectory(test)
-endif()
+#endif()
 
 add_subdirectory(core)
 add_subdirectory(crypto)
diff --git a/core/dap_common.h b/core/dap_common.h
index 1ee228c099cb2bba816530e05b0f75d63427ecf0..7027890e299fa28bc77033cea870782d0b9f2aac 100644
--- a/core/dap_common.h
+++ b/core/dap_common.h
@@ -1,9 +1,10 @@
 /*
  * Authors:
  * Dmitriy A. Gearasimov <kahovski@gmail.com>
+ * Anatolii Kurotych <akurotych@gmail.com>
  * DeM Labs Inc.   https://demlabs.net
  * DeM Labs Open source community https://github.com/demlabsinc
- * Copyright  (c) 2017-2018
+ * Copyright  (c) 2017-2019
  * All rights reserved.
 
  This file is part of DAP (Deus Applications Prototypes) the open source project
diff --git a/core/dap_config.h b/core/dap_config.h
index 3336d5f3f02f947ccca45f76d35d6fa2bb682cfe..7d64f59b38234d34ab12dc7459c87899535aff00 100755
--- a/core/dap_config.h
+++ b/core/dap_config.h
@@ -1,3 +1,28 @@
+/*
+ * Authors:
+ * Dmitriy A. Gearasimov <kahovski@gmail.com>
+ * Anatolii Kurotych <akurotych@gmail.com>
+ * DeM Labs Inc.   https://demlabs.net
+ * DeM Labs Open source community https://github.com/demlabsinc
+ * Copyright  (c) 2017-2019
+ * All rights reserved.
+
+ This file is part of DAP (Deus Applications Prototypes) the open source project
+
+    DAP (Deus Applicaions Prototypes) is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    DAP is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with any DAP based project.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
 #ifndef _DAP_CONFIG_H_
 #define _DAP_CONFIG_H_
 
diff --git a/core/unix/dap_cpu_monitor.h b/core/unix/dap_cpu_monitor.h
index 3d1ee22533e848563f85cc8c9637148d7bb7bada..cc6359400bc3701eb8ec6d8ca3e9af9f01da53c7 100644
--- a/core/unix/dap_cpu_monitor.h
+++ b/core/unix/dap_cpu_monitor.h
@@ -1,3 +1,27 @@
+/*
+ * Authors:
+ * Anatolii Kurotych <akurotych@gmail.com>
+ * DeM Labs Inc.   https://demlabs.net
+ * DeM Labs Open source community https://github.com/demlabsinc
+ * Copyright  (c) 2017-2019
+ * All rights reserved.
+
+ This file is part of DAP (Deus Applications Prototypes) the open source project
+
+    DAP (Deus Applicaions Prototypes) is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    DAP is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with any DAP based project.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
 #pragma once
 
 #define MAX_CPU_COUNT 64
diff --git a/core/unix/dap_network_monitor.h b/core/unix/dap_network_monitor.h
new file mode 100644
index 0000000000000000000000000000000000000000..b0ae8cb541d43197d7644de3aa80f4ebd402faa5
--- /dev/null
+++ b/core/unix/dap_network_monitor.h
@@ -0,0 +1 @@
+#include "linux/netlink.h"
diff --git a/core/unix/dap_process_memory.h b/core/unix/dap_process_memory.h
index 1feae403c60c3297130e8ecc695473c1ab5da3eb..d07b3181da25416b307c6ed27fce51b4c00b7ec8 100644
--- a/core/unix/dap_process_memory.h
+++ b/core/unix/dap_process_memory.h
@@ -1,3 +1,27 @@
+/*
+ * Authors:
+ * Anatolii Kurotych <akurotych@gmail.com>
+ * DeM Labs Inc.   https://demlabs.net
+ * DeM Labs Open source community https://github.com/demlabsinc
+ * Copyright  (c) 2017-2019
+ * All rights reserved.
+
+ This file is part of DAP (Deus Applications Prototypes) the open source project
+
+    DAP (Deus Applicaions Prototypes) is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    DAP is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with any DAP based project.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
 #include <stdint.h>
 #include <sys/types.h>
 
diff --git a/crypto/dap_enc.h b/crypto/dap_enc.h
index c0ea8a767d50c4fed2475c859b8b316b159b4aa8..9d808d079b5b2567ac3ed2c500f8458c28504a18 100644
--- a/crypto/dap_enc.h
+++ b/crypto/dap_enc.h
@@ -1,20 +1,25 @@
 /*
- Copyright (c) 2017-2018 (c) Project "DeM Labs Inc" https://github.com/demlabsinc
-  All rights reserved.
+ * Authors:
+ * Dmitriy A. Gearasimov <kahovski@gmail.com>
+ * Anatolii Kurotych <akurotych@gmail.com>
+ * DeM Labs Inc.   https://demlabs.net
+ * DeM Labs Open source community https://github.com/demlabsinc
+ * Copyright  (c) 2017-2019
+ * All rights reserved.
 
  This file is part of DAP (Deus Applications Prototypes) the open source project
 
     DAP (Deus Applicaions Prototypes) is free software: you can redistribute it and/or modify
-    it under the terms of the GNU Lesser General Public License as published by
+    it under the terms of the GNU General Public License as published by
     the Free Software Foundation, either version 3 of the License, or
     (at your option) any later version.
 
     DAP is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU Lesser General Public License for more details.
+    GNU General Public License for more details.
 
-    You should have received a copy of the GNU Lesser General Public License
+    You should have received a copy of the GNU General Public License
     along with any DAP based project.  If not, see <http://www.gnu.org/licenses/>.
 */
 
diff --git a/crypto/dap_enc_base64.h b/crypto/dap_enc_base64.h
index 427717acb3d9fd78892aa82895b0ee877937b6c0..2fc27e454fc717a1cb97166e3beeb71c1e3d8596 100755
--- a/crypto/dap_enc_base64.h
+++ b/crypto/dap_enc_base64.h
@@ -1,3 +1,28 @@
+/*
+ * Authors:
+ * Dmitriy A. Gearasimov <kahovski@gmail.com>
+ * Anatolii Kurotych <akurotych@gmail.com>
+ * DeM Labs Inc.   https://demlabs.net
+ * DeM Labs Open source community https://github.com/demlabsinc
+ * Copyright  (c) 2017-2019
+ * All rights reserved.
+
+ This file is part of DAP (Deus Applications Prototypes) the open source project
+
+    DAP (Deus Applicaions Prototypes) is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    DAP is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with any DAP based project.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
 #ifndef _DAP_ENC_BASE64_H_
 #define _DAP_ENC_BASE64_H_
 #include <stddef.h>
diff --git a/crypto/dap_enc_key.h b/crypto/dap_enc_key.h
index 6fe0cd04686b300c884c77ad4e38946f40b326ee..0ced83097685d51410249d3ddcfae11f4d2e61dc 100755
--- a/crypto/dap_enc_key.h
+++ b/crypto/dap_enc_key.h
@@ -1,20 +1,25 @@
 /*
- Copyright (c) 2017-2018 (c) Project "DeM Labs Inc" https://github.com/demlabsinc
-  All rights reserved.
+ * Authors:
+ * Dmitriy A. Gearasimov <kahovski@gmail.com>
+ * Anatolii Kurotych <akurotych@gmail.com>
+ * DeM Labs Inc.   https://demlabs.net
+ * DeM Labs Open source community https://github.com/demlabsinc
+ * Copyright  (c) 2017-2019
+ * All rights reserved.
 
  This file is part of DAP (Deus Applications Prototypes) the open source project
 
     DAP (Deus Applicaions Prototypes) is free software: you can redistribute it and/or modify
-    it under the terms of the GNU Lesser General Public License as published by
+    it under the terms of the GNU General Public License as published by
     the Free Software Foundation, either version 3 of the License, or
     (at your option) any later version.
 
     DAP is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU Lesser General Public License for more details.
+    GNU General Public License for more details.
 
-    You should have received a copy of the GNU Lesser General Public License
+    You should have received a copy of the GNU General Public License
     along with any DAP based project.  If not, see <http://www.gnu.org/licenses/>.
 */