Lancom Systems LCOS 3.50 - Manual (Page 144)

LANCOM Reference Manual LCOS 3.50 ̈ Chapter 8: Firewall
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̈ Stations: Here the stations – as sender or addressee of the packets – are
specified, for which the filter rule shall match.
̈ Services: Here the IP protocols, source and destination ports are specified
for which the filter rule shall apply. For example, it can be specified here
that only access to web pages and emails shall be permissible.