-CA filename. specifies the CA certificate to be used for signing. When this option is present x509 behaves like a mini CA. The input file is signed by this CA using this option: that is its issuer name is set to the subject name of the CA and it is digitally signed using the CAs private key.
Signs and symptoms[edit] Tension-type headache pain is often described as a constant pressure, as if the head were being squeezed in a vise. The pain is frequently present on both sides of the head at the same time. Tension-type headache pain is typically mild to moderate, but may be severe.
The most common type of headache is tension headache. It is likely caused by tight muscles in your shoulders, neck, scalp, and jaw. A tension headache 1  : May be related to stress, depression, anxiety, a head injury, or holding your head and neck in an abnormal position. 2  Tends to be on both sides of your head.