[alg0]

Basic information about these things is alright to pass on but this is kinda information that should be a bit private. Even if here ( and anywhere on Internet ) is a lot of people that think obsecurity is bad it is important tool in any security stack. "Security by obsecurity is bad" means that there is no other security but a obsecurity. Even NIST gives a recomendation for obsecurity if your other security stack is good