Hiiii ,
im trying to block traffic of skype by cisco NBAR , i have cisco router 1941
with ios :
System image file is "flash0:c1900-universalk9-mz.SPA.152-4.M5.bin"
im trying to match skype traffic by "match protocol skype"
but it dont match !!!
i googled , i found many articles that say that new lastet version of skype use https protocol for VOIP !!!
so , im here asking
wt other factors i can wotk so that i match skype traffic ?
i need to stop skype , whatsupp , viber traffic
i have a big difficulties with that , cause all of then use https !!!!
can we match hello messages or packets length and block them ?
i found somebody says :
route-map block-skype-https permit 10
match lenght 112 112
set interface null 0
!
not sure if this info is correct !
plz advice me...
regards
