I am writing a program that fakes TCP requests and collects the data to store in a local buffer. For this, in the system connected to the client i have configured the iptables to keep all the incom...

How to change tcp information in layer 3 in java ?(ip spoofing) how to change layer 2 information ? is there any good library for it in java ? it need raw socket?

I have two machines each with two valid network interfaces, an Ethernet interface eth0 and a tun/tap interface gr0. The goal is to start a TCP connection on machine A using interface gr0 but then h...

Possible Duplicate: How to calculate a packet checksum without sending it? I've spoofed a source IP and MAC address in a captured packet, but now I need to recalculate the checksum so...

I am dealing with an application that is protected by a firewall and only allows access from certain IP-Addresses (which are application webservers). Its a bit delicate and it would be much hassle...

We want to embed an ajax style service into a number of our websites each with a unique api key. The problem that I can see is that because the api key is stored in the javascript file the user cou...

We have created a database driven website using PHP with set cookies and now need to prevent HTTP spoofing, any ideas on how to do this? we are beginners with this so any help would be greatful