block yahoo messenger

RouterOS General
1

Dear sir,
I have a router board v2.9.27. I want to blocked yahoo messenger, but want to unblock msn messenger. i blocked yahooo but it also blocked msn. so what is the way to block yahoo messenger only.
from router board v4.10 i did it. if you any one have answer about this, please answer.

Thanks
Sanjog

2

2.9.27 is no longer supported (and most likely pirated). Upgrade and use a legal license key.