Hello friends,

Im very new in this and hope to get some help.

We have a service written in 'C' using SOAP.
This service provides webdevelopers of our customers to transact some data.
The problem is that this is not secure. everyone that knows the ip address and the port of the server can use the service.
What are the ways to secure this service?

Thanks in advance.

You could add the need for an authorization token, much like e.g. the Google API key

You could setup your firewall to allow only verified hosts/ip addresses

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