Tag Archives: Erlang

Why list and charlist are confusing in Elixir

Posted on October 6, 2017 by daveti

This post talks about list and charlist in Elixir, and discusses one specific issue in Elixir. Let’s look at the confusing thing in Elixir: iex(2)> a = [7] ‘\a’ iex(3)> b = ‘\a’ ‘\a’ iex(4)> a == b true iex(5)> … Continue reading →

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A PoC of DoS attack in Elixir Actor Model

Posted on September 29, 2017 by daveti

The naive way of using the Actor model in Elixir is using “receive” in a loop, which is then “spawn”d as a Erlang process. Unfortunately, a potential DoS attack could happen if the pattern matching is not coded carefully with … Continue reading →

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