Hi, Altough I have this configuration in client .conf: ################################## client 172.30.47.241 { secret = 877909 shortname = VodafonePinarsuAPNYeni1 nastype = other } client 172.30.47.242 { secret = 877909 shortname = VodafonePinarsuAPNYeni2 nastype = other } #################################### Why I get this error? ################################################################################################# Tue Mar 17 14:31:55 2015 : Error: Ignoring request to authentication address * port 1812 from unknown client 172.30.47.242 port 58312 Tue Mar 17 14:32:01 2015 : Error: Ignoring request to authentication address * port 1812 from unknown client 172.30.47.241 port 6040 ################################################################################################# And I am sure that secret is correct. Any idea? --