Make popa3d listen on specific interface

Lowell Gilbert freebsd-questions-local at
Fri Aug 15 16:30:16 PDT 2003

Frank Reppin <frank.reppin at> writes:

> wouldn't it be possible to change this whilst editing
> <params.h> within the source? I just downloaded popa3d
> and it shows:
> /*
>   * The address and port to listen on.
>   */
> #define DAEMON_ADDR         ""   /* INADDR_ANY */
> #define DAEMON_PORT         110
> but I have to mention that I dunno if the port can handle this. :/
> must check first
> But at least it should be possible to bind popa3d to a specific interface.

Yes, you *can* bind to an address that way. 
However, you can't bind to an interface that easily, 
which is really required to do this as a security 
measure.  A firewall may be protecting you from 
source-spoofed packets, but then you're back to, 
well, depending on the firewall for the real security.

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