| 摘要 |
The present invention relates to an arrangement a data communication system, wherein users, managers and/or machines (actors) intercommunicate via ports, especially comprising a Transport Service Access Port (TSAP) comprising port number and Internet Protocol (IP) address, which ports communicate through firewalls by means of firewall classification/logic which is controlled by a bastion host therefor, and in order to resolve security issues related to such network, it is according to the present invention suggested that said bastion host is configured to accept digitally signed configuration messages from one of more distributed operator(s) and/or manager(s), for thereby ensuring intergrity of said configuration messages. |
