Hi,

I'm trying to setup a shared scanner in my home LAN from a Debian Trixie server. So far, I followed the steps reported in [1]. I avoided the
ipp-usb protocol and relied on the older implementation based on net
sane backed as apparently my Samsung SCX-3400 prefers that one.

The scanner is found on the server and the client finds it over the
network. I can connect using xsane and launch an acquisition of an image
or a preview. Im both the cases the scanner runs but the client hangs
waiting for something that never happens. Do you have any idea where the problem could be or how to identify it?

I did some diagnostic:

after a failed scan attempt, apparently the saned socked remain busy
even after I kill xsane on the client:

# Client
# pkill -9 xsane

## Server
# systemctl status saned.socket
[...]
Triggers: ● saned@17-192.168.1.1:6566-192.168.1.25:36382.service
[...]

In this status the client does not find the shared scanner anymore. If I restart the service on the server the socket is released and the client
finds again the shared scanner:

## Server
# scanimage -L
device `xerox_mfp:libusb:001:003' is a Samsung Samsung SCX-3400 Series multi-function peripheral
device `smfp:usb;04e8;344f;Z6TXB8KC3E01DHE' is a Samsung SCX-3400 Series
on USB Scanner

## Client
$ scanimage -L
device `v4l:/dev/video0' is a Noname C270 HD WEBCAM virtual device
device `net:<server>:xerox_mfp:libusb:001:003' is a Samsung Samsung
SCX-3400 Series multi-function peripheral
device `net:<server>:smfp:usb;04e8;344f;Z6TXB8KC3E01DHE' is a Samsung
SCX-3400 Series on USB Scanner



Cheers,
Nicola

[1] https://wiki.debian.org/SaneOverNetwork

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