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Questions tagged [jpcap]

Jpcap is a Java Library which enables you to Send and capture Packets.

Jpcap is a library for working on Packet Level using Java. The Jpcap library is based on libpcap/winpcap and therefore Jpcap supports any system which is supported by libpcap/winpcap. Currently those include Windows, Linux, FreeBSD, Mac OS X and Solaris.

Provided functionality:

  1. Sending Network Packets
  2. Capturing Network Packets
  3. It can capture Ethernet, IPv4, IPv6, ARP/RARP, TCP, UDP, and ICMPv4 packets.
135 questions
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run jar with root privileges on mac os x by one click

I implemented a small java sniffer-tool with jpcap. So far its functioning fine, but it needs root privileges to get access to the network-devices. In case of I export my project to a runnable jar, I can run it by using sudo in terminal: $ sudo java…
Philipp Li
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Can I run a java program developed using 32 bit jdk with 64 bit jre? application uses 32 bit non java system libraries

I am developing a java application using 64 bit eclipse on a 64 bit Windows 7 install. I'm forced to use a 32 bit JDK(1.7.0) because the application uses Jpcap, which wont compile with a 64 bit JDK. The application has to be cross platform across 32…
schinoy
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Traceroute on android

I am a beginner on android platform, and I want to build a tracerouting app. So these are my queries: Is it possible to make such an application in Android? if possible then guide me the way that I follow. Does Android support low-level…
PiyushMishra
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Exception in thread "main" java.lang.UnsatisfiedLinkError: no jpcap in java.library.path

i am using netbeans ide and trying to capture packets using jpcap library. my program used to run correctly before bu suddenly this error Exception in thread "main" java.lang.UnsatisfiedLinkError: no jpcap in java.library.path is appearing. i have…
Asad Ikram
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Real-Time TCP session reconstruction in Java using jPcap

I am listening a specific network card and capturing TCP(just TCP) packets using jPcap library. However, I need to have whole TCP sessions, not individual packets. In Wireshark, I can choose "follow tcp stream", so that I can get the whole…
Alpay
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Is it possible to use JPCAP with Android?

I want to create a module that capture packets ( like Shark for Root app in Android). Can i use JPCAP library (Java)? Do i need to root my Android phone to capture packets?
Tran Ngu Dang
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Getting interface name/address from (or mapping NetworkInterface to) jpcap device paths

I am trying to do the following: Display a list of human-readable network interface names and their IP addresses to the user. Start a jpcap packet capture on the interface the user selects. However, the following points are giving me…
Jason C
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Which jpcap library to use?

I'm new to jpcap and I have been looking for a most useful, the best, the most widely used, the most popluar jpcap library? i came across these jpcap libraries. The one on http://netresearch.ics.uci.edu/kfujii/Jpcap/doc/ ? , the one on…
user1284808
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jpcap.dll on a 64 bit system?

Hey i was using the Jpcap API on my system. It requires you to put a copy of jpcap.dll in the system32 folder. The problem is that it doesnt work on my 64 bit system. I tried running a program in eclipse n it gave the following error - "Exception in…
user1197004
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Filter with Jpcap

I need to filter Telnet packets using Jpcap.. how can I do it? I've tried with: captor.setFilter("telnet", true); but it does not work...
Andrea
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Jpcap breaking the JVM

I have written the following program that is intended to dump all network device traffic to a file. I know the problem involves the use of JpcapWriter. Why am I getting the error message shown below? import jpcap.*; import jpcap.packet.*; public…
Donald Taylor
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capturing dns packets using java

I want to log the websites visited in a system. So i decided to record the packets send by the system. I am using Jpcap API. I am able to record a lot of packets. Now what i want to do is i want to filter only DNS packets. I think that will be able…
rgksugan
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How can you access the packet information in a JpCap Packet

How can I pull relevant packet information from a JpCap packet? I am trying to find the source/destination ip and port. So far I have tried string parsing the Packet's toString() method, but that seems brutish.
Mantas Vidutis
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Creating a Reverse Proxy using Jpcap

I need to create a program that receives HTTP request and forwards those requests to the web servers. Diagram http://img269.imageshack.us/img269/1862/h98trsly.jpg I have successfully made this using only Java Sockets but the client needed the…
Ramon Marco L. Navarro
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how can I use jpcap library in my project?

I am using Netbeans 7, and I have 32 bit JDK version 1.7.0.40. I want to use jpcap library to analyze incoming packets. I do following to be able to use jpcap. I added "jpcap.jar" into my project's library. I copied "jpcap.dll" into my JRE/bin I…
tmr
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