-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.
Symptoms of tension headaches include: 1  A headache that is constant, not throbbing. 2  You usually feel the pain or pressure on both sides of your head. 3  Pressure that makes you feel like your head is in a vise.4  Aching pain at your temples or the back of your head and neck.ut they can be very painful and hard to live with. Tension headaches can last from 30 minutes to 7 days. If you have a headache on 15 or more days each month over a 3-month period, you may have chronic tension headaches. This type of headache can lead to stress and depression, which in turn can lead to more headaches.