Follow these steps to enable https secure web configuration on your router or switch:

#conf t
 username tech privilege 15 secret 0 userpassword '<-- create user tech with the highest privileges'
 ip http server '<-- enable http access'
 ip http access-class 23
 ip http authentication local '<-- enable local authentication'
 ip http secure-server
 ip http timeout-policy idle 60 life 86400 requests 10000