thanks

my /opt/etc/sane.d/saned.conf looks like:

PHP Code:
#scan-client.somedomain.firm
#192.168.1.1
192.168.1.2/24
#[2001:7a8:185e::42:12]
#[2001:7a8:185e::42:12]/64 
now I can scan from all the PC and notebooks in my net.