Re: [gpsd-users] GPSD on Debian 10 (buster): allowing other hosts to access gpsd

[Lisandro Damián Nicanor Pérez Meyer]

On 19/09/18 12:07, Gary E. Miller wrote:
> Yo Charles!
> 
> On Wed, 18 Sep 2019 10:19:35 -0600
> Charles Curley <address@hidden> wrote:
> 
> > I have the Debian packaged gpsd (version 3.17-7 [Yes, I know:
> > ancient]) on Debian 10 (buster). It runs just fine and dandy,
> 
> Modulo a bunch of CVE...

No.

https://metadata.ftp-master.debian.org/changelogs//main/g/gpsd/gpsd_3.17-7_changelog

The maintainer is diligent wrt those.

> > except
> > I cannot access it from another computer. I have:
> 
> Uh, oh.
> 
> > * Opened the firewall to allow packets in on gpsd's port, 2947.
> >   Firewall logging reports no hits on that port.
> 
> How did you verify that?  Did you try an nmap remotely?
>       nmap -p 2947 xx.xx.xx.xx.
> 
> Did you look at netstat?
>       netstat -apn | fgrep gpsd
> 
> > * Copied gpsd.socket to /etc/systemd/system, and edited it to allow
> >   access from all interfaces:
> 
> Oh.  Then you realize you are not running gpsd, you are running
> systemd which is hijacking port 2947...
> 
> I'll bet you have a systemd problem.  Have you tried without systemdumb?

I, on the other hand, bet that nothing is using gpsd so no activity from it. 
Passing -n should fix it.