How to Limit Access to iSCSI Target
In iSCSI, we call clients as initiators. For allowing only specific initiators to access the target, we have to put all allowable initiators in the… Read More »How to Limit Access to iSCSI Target
White List
How to Limit Network Access By Firewalld on Enterprise Linux 7
You may have noticed that the service ssh is also added in the public zone (/etc/firewalld/zones/public.xml) by default. This is necessary for initialization. But after… Read More »How to Limit Network Access By Firewalld on Enterprise Linux 7
How to Resolve ORA-12537:TNS:connection closed
ORA-12537 Overview There're several possible causes to raise ORA-12537: Incorrect File Permission White or Black List ORA-12537 Caused by Incorrect File Permission Incorrect file permission… Read More »How to Resolve ORA-12537:TNS:connection closed