webservice logging incoming/outgoing data

add following to web.config under system.web

        <httpModules>
                        <add name="RequestResponseLogger" type="LoggingFilter, LoggingFilter"/>
                </httpModules>
                <customErrors mode="Off"/>
        </system.web>
        <microsoft.web.services2>
                <diagnostics>
                        <trace enabled="true" input="D:\Logs\in.txt" output="D:\Logs\out.txt"/>
                </diagnostics>
        </microsoft.web.services2>
</configuration>