Layer 7 protocol?

RouterOS General
1

Hi!
I wondering what is the use of layer 7 protocol?
i read somewhere that it can limit more P2P softwares.

2

yes.. is on the Application layer of OSI model.. so its like a pattern of the applicacion.. so u can managed this…

3

Pl refer

http://l7-filter.sourceforge.net/protocols
http://protocolinfo.org/wiki/Main_Page