my main domain example.com , have sub-domain test.example.com , best.example.com.
i want share user authentication cookies in sub domain , user login login.example.com, user login redirect login domain.
using python default authtktauthenticationpolicy , aclauthorizationpolicy. in pyramid authtktauthenticationpolicy have give secret key, sceret key same sub-domainan , have give parent_domain=true in authtktauthenticationpolicy if login in login.example.com automatically login other sub-domain.
init.py
authn_policy=authtktauthenticationpolicy('seekrit',hashalg='sha512', parent_domain=true) authz_policy = aclauthorizationpolicy() 