tmnxBsxCustProtExprDirection 1.3.6.1.4.1.6527.3.1.2.63.2.18.1.5

The value of tmnxBsxCustProtExprDirection specifies the protocol direction to match against to resolve to a custom protocol. The value can be either client-to-server 'client2server', server-to-client 'server2client', or 'any'.