Mangle and L7-filter (Layer 7)

Hello!

I trying to use L7-filter mangle feature to categorize network traffic (P2P, Skype, SIP, other VoIP…)

Can you help me to know the matching mechanisme of L7-filter?
L7-filter lookup in payload of IP packets? It’ correct?

TNX!

Have you taken a look at these articles?

http://wiki.mikrotik.com/wiki/L7
http://protocolinfo.org/wiki/Main_Page
http://wiki.mikrotik.com/wiki/Drop_IM_Using_L7
http://l7-filter.sourceforge.net/protocols

Yes, I see this articles. And I m able to enable and work whit this RoutrOS features.

My question is: L7-filter lookup in payload of IP packets? It’ correct?
I whould create a customer regexp…

Tnx! :wink:

yes, L7 searches for patterns in TCP/UDP stream

hi
Soory i am new in this
how can i add a new rule on L7-filter from http://l7-filter.sourceforge.net/protocols ???

by winbox for example:
to add cvs
name: cvs
regexp: ^BEGIN (AUTH|VERIFICATION|GSSAPI) REQUEST\x0a

is it correct???

yep . it’s correct.

regards