Hello, During few days I've a problem with openser 1.2 and radius authentication but I just solve it ! This is a little note about my method. *Please, you're welcome to check and comment it for a better solution.* *Issue* : Radius authentication fail for openser 1.2 but not for 1.1.1 version with the same config. *Description* : freeradius server sucess (Sending Access-Accept in log) but it's not good in openser log. *Search method* : analyse of differences between 1.1.1 and 1.2 version /_openser 1.1.1_/ : openser 6226 root mem REG 8,2 50984 1333396 /usr/lib64/libradiusclient-ng.so.2.0.0 openser 6226 root mem REG 8,2 71642 30076344 /opt/openser-1.1.1/lib64/openser/modules/auth_radius.so openser 6226 root mem REG 8,2 41637 30076357 /opt/openser-1.1.1/lib64/openser/modules/group_radius.so openser 6226 root mem REG 8,2 43683 30076346 /opt/openser-1.1.1/lib64/openser/modules/avp_radius.so openser 6226 root mem REG 8,2 38171 30389824 /opt/openser-1.1.1/lib64/openser/modules/uri_radius.so _/openser1.2 :/_ openser 6299 root mem REG 8,2 50952 1333316 /usr/lib64/libfreeradius-client.so.2.0.0 openser 6299 root mem REG 8,2 76493 30356347 /opt/openser-1.2/lib64/openser/modules/auth_radius.so openser 6299 root mem REG 8,2 41769 30356361 /opt/openser-1.2/lib64/openser/modules/group_radius.so openser 6299 root mem REG 8,2 44923 30356349 /opt/openser-1.2/lib64/openser/modules/avp_radius.so openser 6299 root mem REG 8,2 39411 30076331 /opt/openser-1.2/lib64/openser/modules/uri_radius.so *openser 1.2.0 use libfreeradius-client.so.2.0.0 openser 1.1.1 use libradiusclient-ng.so.2.0.0 * * my solve method :*