Cover security related topics of the Standalone Enqueue Server of the SAP NetWeaver kernel.
This WIKI page will list security related topics of the Standalone Enqueue, helping secure it.
Restricting network connections (valid for: ENSA)
The parameter "enque/server/acl_file" can be used to specify a file containing an Access Control List (ACL).
With such list, it is possible to restrict the access (network connection) to the ENSA port.
The transaction RZ11 can be used to read the parameter's documentation, as well as verifying the file's syntax.
SAP Help page - Standalone Enqueue Server
SAP Help page - Standalone Enqueue Server 2