add fine print

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2018-2019 Adrian Vollmer
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

@@ -63,3 +63,16 @@ lg-eth1`. Now switch into the `ext` namespace with something like `sudo ip
 netns exec ext bash`. Pretend to be the victim by placing requests from this
 shell, preferably with `curl` or `wget`, but theoretically you can also
 launch a browser.
+
+Close all shells living in this new network namespace before you delete it.
+
+Author
+======
+
+Adrian Vollmer, SySS GmbH 2018-2019
+
+Disclaimer
+==========
+
+Use at your own risk. Do not use without full consent of everyone involved.
+For educational purposes only.