I cannot login to CP for managing my Plesk subscription:
Plesk Domain or
I've checked this KB article, and verified that Firewall does not restrict HTTP access to the Plesk node from the PBA-S.
Client's browser has 2 different IP Addresses (2 Internet Connections) for Plesk node and PBA-S. PBA-S creates session for one IP Address, but it uses another IP Address for connection with the Plesk node.
Add the following record into Plesk database:
# MYSQL_PWD=`cat /etc/psa/.psa.shadow` mysql -u admin psa -e"insert into misc values ('disable_check_session_ip','true')"
#1631 Plesk session is dropped if client’s IP is being changed