title: Session expiration date are fixed to 1969
body: <p>I'm working on a website, and i found that some cookie expiration date are fixed to 1969. </p>
  
  <p>My question is why?</p>
  
  <p><a href="https://i.stack.imgur.com/kFzW9.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/kFzW9.png" alt="enter image description here"></a></p>
  
  <p>Are these cookies persistent or null?</p>
  
  <p>PS. I'm running Magento 1.9</p>