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</o:shapelayout></xml><![endif]--></head><body lang=NL-BE link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal>Hi,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span lang=EN-US>I know this is more related to Jetty perhaps, and Shibboleth devs have no control over how an admin would set up his Shibboleth IdP. However, this question is related to a typical Shibboleth IdP 4.1.4, running on Linux, set-up according to all the recommendations made by Shibboleth. We are running Jetty 9.44.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>I did a search on my Shib IdP filesystem and from what I can see, there are some references to log4j. But if I’m correct, and looking at the startup parameters of the JVM, my system uses logback for logging after slf4j. This is probably the default?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Just looking for a confirmation that a typical Shibboleth IdP 4.1.4 on Jetty 9 is not vulnerable.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Thank you<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Vincent Feyaerts<o:p></o:p></span></p></div></body></html>