Disable Security

In some case, you do not need any security (like a personal build system), you just want to disable Jenkins security. To do this, go to place where Jenkins is installed, edit file config.xml

Change value of attribute useSecurity to false

Restart Jenkins by service after change security configure

Now, You can do anything by just access to Jenkins without of need to login

And You can see a warning message from Jenkins show that security is disabled. And suggest You go for configure security