I think I asked the question before: as a long-term GWT-RPC user, what would be the benefit of moving to some other RPC protocol/mechanism?
Thomas Broyer <t.broyer@gmail.com> schrieb am Fr. 21. Juli 2023 um 12:34:
--On Friday, July 21, 2023 at 11:38:59 AM UTC+2 petr...@o3enterprise.com wrote:We have one deployment of a GWT app where there is a Fortiweb firewall that blocks every GWT RPC call because it recognizes every call as a Java Method Injection attack. This seems to be caused by the presence of the pattern "java.lang." in the messages from the client to the server like the following:My idea is to convince the firewall administrator that these are false-positives as these calls are part of the GWT RPC mechanism that does not allow arbitrary java code execution on the server side.Is my reasoning correct or am I not worried enough?Your reasoning is correct. But you can also obfuscate type names to prevent triggering the WAF: https://github.com/gwtproject/gwt/blob/main/user/src/com/google/gwt/user/RemoteServiceObfuscateTypeNames.gwt.xml(disclaimer: I haven't used RPC for more than 10 years)
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