Troubleshooting the crsd.bin and listener process terminal after eanble TCP.VALIDNODE_CHECKING in sqlnet.ora
Recently, we met several times Oracle Listener terminal case, here I will be sharing again due to configuration Listener whitelist caused, For to system hardening, we are eanble listener whitelist (TCP.VALIDNODE_CHECKING = yes) on some RAC Environment, But no more after prolonged listening terminated unexpectedly after enable VALIDNODE_CHECKING . [oracle@anbob2:/home/oracle]# ps -ef|grep lsnr oracle 5111994 … Read more