We have a new printer behind a FWSM FW interface.
Aall the correct ports are allowed and nothing is denied for traffic between the print server and the printer.
The statics are properly set up and other devices behind this interface are reachable from outside.
However each inbound conn. from the print server is immediately torn down with a TCP Reset-I
Clearly the printer doesn't want to talk to the print server - but how to figure out why?