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Java packet crafter

Andrei Antonescu
Ranch Hand

Joined: Jul 08, 2010
Posts: 75
Hello,

I am using a Linux Cent OS box & I would like to ask you if it is possible to create a program in Java that can set TCP/IP header fields in a packet and the send it on the network. For example i would like to make a SYN scanner. Or I may need to set TOS or IHL or TTL fields in a IPv4 packet.
I haven't found method in Datagram that can do that.

Thanks in advance
Lester Burnham
Rancher

Joined: Oct 14, 2008
Posts: 1337
You'll have to resort to native code through JNI or JNA - it's not possible using pure Java code.
 
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subject: Java packet crafter