J

.jar files, 198

.jav files, 198

.java files, 198

Java, IE settings for, 379

Javascript.dll file, 353

.jfif files, 198

John the Ripper program, 166, 176

.jpe files, 198

.jpeg files, 198

.jpg files, 198

.js files, 198

.jse files, 198

JS.Fortnight worm, 46