Hi all Need to change the username during the connection bwc to mobile . But I can not boot module attr_rewrite . Same error on FreeRADIUS Version 2.2.0 and FreeRADIUS Version 2.1.0 I add in file site- enabled / default authorize {      attr_rewrite ..... } File modules/attr_rewrite attr_rewrite usernamebwc {         attribute = User-Name         # may be "packet", "reply", "proxy", "proxy_reply" or "config"         searchin = packet         searchfor = "^bwc"         replacewith = "mobile"         ignore_case = no         new_attribute = no         max_matches = 10         ## If set to yes then the replace string will be         ## appended to the original string         append = no } When I run Freeradius in debug mode GNU General Public License v2. Starting - reading configuration files ... including configuration file /usr/local/etc/raddb/radiusd.conf including configuration file /usr/local/etc/raddb/proxy.conf including configuration file /usr/local/etc/raddb/clients.conf including files in directory /usr/local/etc/raddb/modules/ including configuration file /usr/local/etc/raddb/modules/files including configuration file /usr/local/etc/raddb/modules/realm including configuration file /usr/local/etc/raddb/modules/attr_filter including configuration file /usr/local/etc/raddb/modules/chap including configuration file /usr/local/etc/raddb/modules/attr_rewrite including configuration file /usr/local/etc/raddb/modules/preprocess including configuration file /usr/local/etc/raddb/modules/acct_unique including configuration file /usr/local/etc/raddb/modules/detail including configuration file /usr/local/etc/raddb/modules/expr including configuration file /usr/local/etc/raddb/modules/pap including configuration file /usr/local/etc/raddb/sqlacct.conf including configuration file /usr/local/etc/raddb/sqlauth.conf including files in directory /usr/local/etc/raddb/sites-enabled/ including configuration file /usr/local/etc/raddb/sites-enabled/default .....  Module: Checking authorize {...} for more modules to load /usr/local/etc/raddb/sites-enabled/default[63]: Failed to find "attr_rewrite" in the "modules" section. /usr/local/etc/raddb/sites-enabled/default[62]: Errors parsing authorize section. ls /usr/local/lib | grep attr_rew rlm_attr_rewrite-2.1.10.la rlm_attr_rewrite-2.1.10.so rlm_attr_rewrite.a rlm_attr_rewrite.la rlm_attr_rewrite.so Other modules are loaded and working correctly rlm_sql_oracle , rlm_attr_filter. I think the error in the configuration attr_rewrite , but where ?