[SR-Users] RPCFIFOPATH / DEFINE_FIFO_NAME settings problem

In my 'kamctlrc' file : ## path to FIFO file for engine RPCFIFO RPCFIFOPATH="/var/run/kamailio/kamailio_rpc_fifo" #RPCFIFOPATH="/tmp/kamailio_rpc_fifo" In my 'kamailio.cfg' : !!ifndef DEFINE_FIFO_NAME !!define DEFINE_FIFO_NAME "/var/run/kamailio/kamailio_rpc_fifo" !!endif modparam("jsonrpcs", "pretty_format", 1) modparam("jsonrpcs", "transport", 2) modparam("jsonrpcs", "fifo_name", DEFINE_FIFO_NAME) modparam("jsonrpcs", "fifo_mode", 0755) modparam("jsonrpcs", "fifo_group", "kamailio") modparam("jsonrpcs", "fifo_user", "kamailio") kamailio doesn't start. It reports 'Permission denied' : Mar 24 17:31:21 localhost /usr/sbin/kamailio[1138]: ERROR: jsonrpcs [jsonrpcs_fifo.c:144]: jsonrpc_init_fifo_server(): Can't create FIFO: Permission denied (mode=493) Mar 24 17:31:21 localhost /usr/sbin/kamailio[1138]: CRITICAL: jsonrpcs [jsonrpcs_fifo.c:489]: jsonrpc_fifo_process(): failed to init jsonrpc fifo server Mar 24 17:31:21 localhost /usr/sbin/kamailio[1120]: ALERT: <core> [main.c:741]: handle_sigs(): child process 1138 exited normally, status=255 Mar 24 17:31:21 localhost /usr/sbin/kamailio[1130]: DEBUG: <core> [core/sr_module.c:920]: init_mod_child(): rank 4: tm Mar 24 17:31:21 localhost /usr/sbin/kamailio[1137]: DEBUG: <core> [core/sr_module.c:920]: init_mod_child(): rank -1: tm Mar 24 17:31:21 localhost /usr/sbin/kamailio[1127]: DEBUG: htable [htable.c:226]: child_init(): rank is (1) Mar 24 17:31:21 localhost /usr/sbin/kamailio[1120]: INFO: <core> [main.c:759]: handle_sigs(): terminating due to SIGCHLD Mar 24 17:31:21 localhost /usr/sbin/kamailio[1139]: DEBUG: <core> [core/sr_module.c:920]: init_mod_child(): rank -2: kex Mar 24 17:31:21 localhost /usr/sbin/kamailio[1130]: DEBUG: tm [callid.c:137]: child_init_callid(): callid: &#39;15b1f0d63a718465-1130(a)129.227.83.108&#39; Mar 24 17:31:21 localhost /usr/sbin/kamailio[1137]: DEBUG: tm [callid.c:137]: child_init_callid(): callid: &#39;15b1f0d63a718465-1137(a)129.227.83.108&#39; Mar 24 17:31:21 localhost /usr/sbin/kamailio[1127]: DEBUG: <core> [core/action.c:1656]: run_child_one_init_route(): attempting to run event_route[core:worker-one-init] Mar 24 17:31:21 localhost /usr/sbin/kamailio[1136]: INFO: <core> [main.c:814]: sig_usr(): signal 15 received Mar 24 17:31:21 localhost /usr/sbin/kamailio[1135]: INFO: <core> [main.c:814]: sig_usr(): signal 15 received Mar 24 17:31:21 localhost /usr/sbin/kamailio[1134]: INFO: <core> [main.c:814]: sig_usr(): signal 15 received Mar 24 17:31:21 localhost /usr/sbin/kamailio[1133]: INFO: <core> [main.c:814]: sig_usr(): signal 15 received Mar 24 17:31:21 localhost /usr/sbin/kamailio[1132]: INFO: <core> [main.c:814]: sig_usr(): signal 15 received Mar 24 17:31:21 localhost /usr/sbin/kamailio[1131]: INFO: <core> [main.c:814]: sig_usr(): signal 15 received Mar 24 17:31:21 localhost /usr/sbin/kamailio[1129]: INFO: <core> [main.c:814]: sig_usr(): signal 15 received Mar 24 17:31:21 localhost /usr/sbin/kamailio[1128]: INFO: <core> [main.c:814]: sig_usr(): signal 15 received Mar 24 17:31:21 localhost /usr/sbin/kamailio[1120]: ERROR: ctl [ctl.c:387]: mod_destroy(): ERROR: ctl: could not delete unix socket /var/run/kamailio//kamailio_ctl: Permission denied (13) Mar 24 17:31:21 localhost /usr/sbin/kamailio[1120]: ERROR: jsonrpcs [jsonrpcs_fifo.c:595]: jsonrpc_fifo_destroy(): FIFO stat failed: Permission denied If I replace the values in the 2 files as appropriate : In the 'kamctlrc" to RPCFIFOPATH="/tmp/kamailio_rpc_fifo" In the 'kamailio.cfg" to !!define DEFINE_FIFO_NAME "/tmp/kamailio_rpc_fifo" Then kamailo starts : [root@vm-vse02-siprouter1 ~]# ps -ef |grep kam kamailio 1235 1 0 17:37 ? 00:00:00 /usr/sbin/kamailio -P /var/run/kamailio.pid -m 1024 -M 8 -u kamailio -g kamailio kamailio 1236 1235 0 17:37 ? 00:00:00 /usr/sbin/kamailio -P /var/run/kamailio.pid -m 1024 -M 8 -u kamailio -g kamailio kamailio 1237 1235 0 17:37 ? 00:00:00 /usr/sbin/kamailio -P /var/run/kamailio.pid -m 1024 -M 8 -u kamailio -g kamailio kamailio 1238 1235 0 17:37 ? 00:00:00 /usr/sbin/kamailio -P /var/run/kamailio.pid -m 1024 -M 8 -u kamailio -g kamailio kamailio 1239 1235 0 17:37 ? 00:00:00 /usr/sbin/kamailio -P /var/run/kamailio.pid -m 1024 -M 8 -u kamailio -g kamailio kamailio 1240 1235 0 17:37 ? 00:00:00 /usr/sbin/kamailio -P /var/run/kamailio.pid -m 1024 -M 8 -u kamailio -g kamailio kamailio 1241 1235 0 17:37 ? 00:00:00 /usr/sbin/kamailio -P /var/run/kamailio.pid -m 1024 -M 8 -u kamailio -g kamailio kamailio 1242 1235 0 17:37 ? 00:00:00 /usr/sbin/kamailio -P /var/run/kamailio.pid -m 1024 -M 8 -u kamailio -g kamailio kamailio 1243 1235 0 17:37 ? 00:00:00 /usr/sbin/kamailio -P /var/run/kamailio.pid -m 1024 -M 8 -u kamailio -g kamailio kamailio 1244 1235 0 17:37 ? 00:00:00 /usr/sbin/kamailio -P /var/run/kamailio.pid -m 1024 -M 8 -u kamailio -g kamailio kamailio 1245 1235 0 17:37 ? 00:00:00 /usr/sbin/kamailio -P /var/run/kamailio.pid -m 1024 -M 8 -u kamailio -g kamailio kamailio 1246 1235 0 17:37 ? 00:00:00 /usr/sbin/kamailio -P /var/run/kamailio.pid -m 1024 -M 8 -u kamailio -g kamailio kamailio 1247 1235 0 17:37 ? 00:00:00 /usr/sbin/kamailio -P /var/run/kamailio.pid -m 1024 -M 8 -u kamailio -g kamailio kamailio 1248 1235 0 17:37 ? 00:00:00 /usr/sbin/kamailio -P /var/run/kamailio.pid -m 1024 -M 8 -u kamailio -g kamailio root 1251 1165 0 17:37 pts/0 00:00:00 grep --color=auto kam and I can get result from kamctl/kamcmd commands : [root@vm-vse02-siprouter1 ~]# kamctl dispatcher dump which: no gdb in (/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/) { "jsonrpc": "2.0", "result": { "NRSETS": 1, "RECORDS": [{ "SET": { "ID": 1, "TARGETS": [{ "DEST": { "URI": "sip:cs1-tool-misc.orange-voicemail.net:5060", "FLAGS": "AP", "PRIORITY": 0 } }] } }] }, "id": 1301 } [root@vm-vse02-siprouter1 ~]# kamcmd dispatcher.list { NRSETS: 1 RECORDS: { SET: { ID: 1 TARGETS: { DEST: { URI: sip:cs1-tool-misc.orange-voicemail.net:5060 FLAGS: AP PRIORITY: 0 } } } } } Now, if I change the fifo patch and name to "/var/run/kamailio/kamailio_rpc_fifo' and apply the following rights on /var/run/ to: chmod 755 kamalio/ chown + kamailio:kamailio kamailio/ then kamailio starts. Is there a reason for these results ? Thanks in advance for your answer. Cordialement Patrick GINHOUX