[sane-devel] How to scan via WiFi over a LAN

[Media Mouth]

> On May 8, 2021, at 3:59 PM, Ralph Little <skelband at gmail.com> wrote:
> 
> That seems to imply you have an incoming connection from that address (192.168.1.182) which is weird, but might be unimportant.
I've been bouncing between different systems each with a client/client/scanner (so maybe best to just express them as ClientIP and ServerIP)
The above LAN is a client IP.

> Let's try to simplify the situation a little.
> We can try to run saned manually, no need to stop the service, we can choose a different port.
> 
> saned -l -p 7000 -b 192.168.0.Server -e -d10
From this I get:
saned: invalid option -- 'l'
So wasn't able to test via port change.

> This will run saned binding to the port 7000 in the foreground, channeling the diag to stderr instead of syslog.
> Perhaps list the output of that in a reply here.
> 
> You won't be able to connect a client to it without editing the client's /etc/services file to change sane-port to 7000 from 6566 which is a bit of a faff.
> There is no way to configure the client's net backend to choose a non-standard port. It merely looks at the machine's services configuration. :(
> 
> Please check that you do not have SANE_CONFIG_DIR set in your environment, unless it is set to /etc/sane.d.
> That optionally contains the directories to search for the config file. If it still cannot find saned.conf, and you do not have the var set, you could set it to /etc/sane.d and try again.
This was not set (i.e. no evidence of it from `printenv`, but based on your note I added the following line to /etc/environment on the server: SANE_CONFIG_DIR="/etc/sane.d"
LMK if I did that correctly.  Wasn't sure if /etc/environment is the right file, or whether to put /etc/sane.d vs /etc/sane.d/ (i.e. with or without trailing slash)
Tested both but still getting the same results from SANE_DEBUG_NET=10 scanimage -L



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