![Firefox logo](https://assets-prod.sumo.prod.webservices.mozgcp.net/media/uploads/products/2020-04-14-08-36-13-8dda6f.png)
how this could be?
When i was visiting some page, i noticed that the page tracks our info below:
Java Deployment Toolkit 8.0.310.13::NPRuntime Script Plug-in Library for Java(TM) Deploy::application/java-deployment-toolkit~;Java(TM) Platform SE 8 U31::Next Generation Java Plug-in 11.31.2 for Mozilla browsers::application/x-java-applet~,application/x-java-bean~,application/x-java-vm~,application/x-java-applet;version=1.1.1~,application/x-java-bean;version=1.1.1~,application/x-java-applet;version=1.1~,application/x-java-bean;version=1.1~,application/x-java-applet;version=1.2~,application/x-java-bean;version=1.2~,application/x-java-applet;version=1.1.3~,application/x-java-bean;version=1.1.3~,application/x-java-applet;version=1.1.2~,application/x-java-bean;version=1.1.2~,application/x-java-applet;version=1.3~,application/x-java-bean;version=1.3~,application/x-java-applet;version=1.2.2~,application/x-java-bean;version=1.2.2~,application/x-java-applet;version=1.2.1~,application/x-java-bean;version=1.2.1~,application/x-java-applet;version=1.3.1~,application/x-java-bean;version=1.3.1~,application/x-java-applet;version=1.4~,application/x-java-bean;version=1.4~,application/x-java-applet;version=1.4.1~,application/x-java-bean;version=1.4.1~,application/x-java-applet;version=1.4.2~,application/x-java-bean;version=1.4.2~,application/x-java-applet;version=1.5~,application/x-java-bean;version=1.5~,application/x-java-applet;version=1.6~,application/x-java-bean;version=1.6~,application/x-java-applet;version=1.7~,application/x-java-bean;version=1.7~,application/x-java-applet;jpi-version=1.8.0_31~,application/x-java-bean;jpi-version=1.8.0_31~,application/x-java-vm-npruntime~,application/x-java-applet;deploy=11.31.2~,application/x-java-applet;javafx=8.0.31~;Shockwave Flash::Shockwave Flash 17.0 r0::application/x-shockwave-flash~swf,application/futuresplash~spl;Shockwave for Director::Adobe Shockwave for Director Netscape plug-in, version 12.0.7.148::application/x-director~dir,dxr,dcr;Silverlight Plug-In::5.1.30514.0::application/x-silverlight~scr,application/x-silverlight-2~
i don't think its firefox related but its a security concern, and i thought if mozilla can prevent this? Thanks
Alle svar (1)
i found that page uses valve's fingerprint.js here: https://github.com/Valve/fingerprintjs
blog: http://valve.github.io/blog/2013/07/14/anonymous-browser-fingerprinting/