November 2014
Intermediate to advanced
144 pages
3h 6m
English
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Ensuring that IPv4 is allowed
Sometimes, Java picks up the IPv6 address on the interface, and Burp is unable to make any connections to websites returning an IPv4 address. This results in a Java error, which is as follows:
java.net.SocketException: Permission denied
The browser also shows a cryptic error, which is as follows:
Burp proxy error: Permission denied: connect
If we ever encounter this error, all we need to do is tell Java that we want to use the IPv4 interface by passing the following parameter to the runtime:
java -Xmx2048M -Djava.net.preferIPv4Stack=true -jar /path/to/burpsuite.jar
This command and flag tells the Java runtime that we will prefer the IPv4 network stack to run the Burp Suite JAR file. Another option is to set a Java option ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.