On 05/03/2015 03:55 PM, Tim Dunphy wrote: > You mention that it's listening on both tcp v4 and v6. But I only see v6 in > that output. How are you determining that On Linux, IPv4 is mapped inside the IPv6 space. An application that listens on an address-less v6 port is listening on both IPv4 and IPv6. For example, look at TCP port 22 for SSH.