I want to test the vulnerability of the server I just wrote against man in the middle attacks.
How (on Mac OS X) do I analyze packets. (I'll be checking where they are going, pulling information from if they are heading to my server, and seeing what all is available) Then I'll figure out a way to encrypt everything.. but first things first.
Any help on packet sniffing would be greatly appreciated.
My preferred language is java.But I can do C++.
Hp pavilion dv6-2150et driver win 10 64 bit chip. so, my question is: 'Is there any sort of API / library that I can interface with?'
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Like, if I could do PacketSniffer ps = new PacketSniffer(); that would be amazing.
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closed as off-topic by meagar♦Jun 26 '15 at 21:32
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4 Answers
The best portable library for this is libpcap. There's even a java wrapper available for it.
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No need to write your own - Download Wireshark from http://www.wireshark.org/
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Wireshark and KisMAC both offer source code downloads and run on MacOS X. You can strip the needed code from there (if it's just for your internal use).
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You should take a look to libcrafter: http://code.google.com/p/libcrafter/
The library has a Sniffer class with an interface very easy to use:
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Not the answer you're looking for? Browse other questions tagged javac++macospacket-capturepacket-sniffers or ask your own question.
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Based on the background information available from the forums, I have been able to understand that as Java does not have access to raw sockets, a packet sniffer cannot be implemented in Java alone. I would need some feedback on the following functionality for a project that I have been assigned to work on,
'For testing purposes, we need to create a version of the SMTP Interceptor that acts as a SMTP packet sniffer. This will allow us to create a non-intrusive agent on a network that, provided it is on the correct sub-net, should capture a copy of all SMTP network traffic without acting as a failure-point in the SMTP relay network.'
I have looked around on the internet and found that there is an interface library Jpcap written in Java that can abstract over raw implementations for Windows/Linux. Our target test platform at the moment is Solaris, has anyone used the library for a similar project?
I do not have a great background in networking, could someone provide some feedback/point to resources on introduction to SMTP packets vis-a-vis their differences from normal HTTP packets etc.?
Thanks
'For testing purposes, we need to create a version of the SMTP Interceptor that acts as a SMTP packet sniffer. This will allow us to create a non-intrusive agent on a network that, provided it is on the correct sub-net, should capture a copy of all SMTP network traffic without acting as a failure-point in the SMTP relay network.'
I have looked around on the internet and found that there is an interface library Jpcap written in Java that can abstract over raw implementations for Windows/Linux. Our target test platform at the moment is Solaris, has anyone used the library for a similar project?
I do not have a great background in networking, could someone provide some feedback/point to resources on introduction to SMTP packets vis-a-vis their differences from normal HTTP packets etc.?
Thanks
I was just looking around to find out how to make a program that would sniff my network traffic in Java, but I couldn't find anything. I wanted to know if there was any way to view the network traffic going by. I heard of an idea with a Socket, but I don't get how that would work. So anyways, just looking for an API or a way to write it myself.
EDIT:I would gladly like an API, but I would also like clarification on the way to sniff traffic with a Socket.
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4 Answers
jpcap, jNetPcap -- those are pcap wrapper projects in Java.
Kraken -- similar project, well documented with lots of examples.
simple example from the Kraken web site:
Byungjoon LeeByungjoon Lee
Another Java libpcap wrapper is https://github.com/kaitoy/pcap4j
Pcap4J is a Java library for capturing, crafting and sending packets. Pcap4J wraps a native packet capture library (libpcap or WinPcap) via JNA and provides you Java-Oriented APIs.
kervinkervin10.4k44 gold badges3232 silver badges5353 bronze badges
You need a packet sniffer api, maybe netutils is what you need:
The 'netutils' package gives a low level java network library. It contains extensive infrastructure for sniffi000eng, injecting, building and parsing Ethernet/IP/TCP/UDP/ICMP packets.
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Not telling any API or java related thing but if you really want to only sniff data for analysis purpose then give try:
WireShark
. Its an application used for network analyse. Its useful if someone is not aware of.
murtaza.webdevmurtaza.webdevWifi Packet Sniffer
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