Re: network adapters, IP addresses, ports, domain names

["Jonathan A. Kollasch" <jakllsch%kollasch.net@localhost>]

On Thu, Nov 16, 2023 at 03:48:49PM +0000, Steve Blinkhorn wrote:
> In a situation where a NetBSD machine (9.2 amd64 if it matters) has
> multiple network adapters each with multiple IP addresses
> corresponding to diverse domain names, to what are port numbers
> uniquely attached?
> 

They're attached to IP addresses, either specific IP addresses or
unspecified IP address (0.0.0.0 or ::).  If the server application
binds to the unspecified IP address the port is not bindable to specific
IP addresses by other servers.