If your TEF 4.8 server is auto updated to 4.8.1, then update your client to 4.8.1
The new TEF 4.8.1 Client is available at :
TEF 4.8.1 Windows Client:
http://download.trustix.com/firewall...indows-client/
TEF 4.8.1 Linux Client:
http://download.trustix.com/firewall.../linux-client/
Regards,
Trustix Team