How TO prevent Snifir programs

hi all
i have rb 150 upgraded to 3.23 level 4
i have set up it with PPPoE and evry thing is going ok
the matter which i need to make prevent to all snifer programs because there are who use Cain and get all PPPoE usernames &passwords

thnx

encrypt pppoe

see manual how to do that

thnx so much but where can i get it ???

http://www.mikrotik.com/testdocs/ros/2.9/interface/pppoe.php

thank you normis ,iam glad to see your reply in my post

this is very usefull page

but i have aquastion what encrypt should i use?

please guide me on this pic

in your image i see “use encryption”, set that to YES

thank you my master normis
its done and lock very secure

thanx again

but in my router i have enable the encryption and its still same , the guys using cain&Abel can see my users and do them attack easily :frowning:

make a new topic, and give us your network diagram, we will see where your configuration is wrong