jNetPcap is an open-source Java wrapper for nearly all libpcap library native calls.
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Questions tagged [jnetpcap]
129 questions
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2 answers
Add jnetpcap to maven fails
I try to add jnetpcap as a dependency to maven. I found on the internet the following that should be added to the pom file:
jnetpcap
jnetpcap
…
Martin Koster
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0 answers
jNetPcap PcapDumper append captured packet to file
I am using the jNetPcap java library (v.1.4.r1425) for network packet capture. At this time I am using the dump(PcapPktHdr hdr, java.nio.ByteBuffer packet) method to write packets of interest to a dump file. This works great, however if my service…
ngasw
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1 answer
using jnetpcap on android
I want to create a packet and send to over network(2nd layer of network) in android application I use android studio.I download jnetpcap-1.3.0 file , this file include some file such as jnetPcap.jar , I add this jar file to my android project,Is it…
jack
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1 answer
How to validate a message in pcap?
I have a requirement to expand required tree in decoded parameters of pcap file and validate a message in it.
Example:
Open "Transmission Control Protocol" as shown in screenshot and and validate for the message "This is an ACK to the segment in…
prashanth
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How to manipulate a packet and write the packet to a pcap file?
I used to code with Scapy in python. Now I'm going to manipulate packets in a pcap file using java. For example I need to read the pcap file and then alter one packet's source ip.
Actually, I've altered one field using jNetStream library, but I…
Mojtaba Yousefi
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1 answer
Jnetpcap: installation error
I've troubles installing jnetpcap in ubuntu/eclipse!!
I've downloaded following files:
jnetcap-1.3.b3-1
jnetcap-javadox-1.3.b3-1
jnetcap-src-1.3.b3-1
Copied libjnetpcap.1.3.b3 to /usr/lib, build my .jar file in eclipse and
when I try to run it,…
stepBYstep
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0 answers
Appreciation about Pcap devices
I'm just trying to get automatically the active device on my System.
For Example:
My PC has two devices.
1. TAP-Windows Adapter V9
2. Intel(R) Ethernet Connection
Actually the active device is the Intel Connection.
So I want that my application can…
Ceeya
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1
vote
1 answer
Using Android NDK for JnetPcap library
I' m new user in Android NDK. I want to use the JnetPcap library in one android project and i have already found an another project that has contained the JNI folder with the JnetPcap library and other files, such as Android.mk. I copy the JNI…
Panagiotis
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0 answers
jnetpcap trying to run a capture from another program
so I have two Projects that run fine. But when I try to put them together I get the error at the bottom immediately.
Separate files (first two belong together):
File1 :
package pkg2buttongui;
import javax.swing.*;
import java.awt.*;
import…
michaelfreeman
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- 7
1
vote
1 answer
Scanner fails when executing "sudo java" in Eclipse
I have followed this procedure in order to run Java applications as root when needed from Eclipse (as I use Xubuntu, for instance, when using jnetpcap to capture and analyse packets). The problem I have is that any Scanner statement reading from…
logo_writer
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0 answers
HTTP Request limit with jnetpcap
i'm developing sniffer in java with eclipse . i can sniff HTTP packet, TCP , UDP . But i need to control or ''state'' if request limit more than 10 in one second. İ know with jnetpcap we can't block , i just want to know it is possible i can get…
tanya
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1 answer
How to know number of packets in a pcap file from WireShark using JNetPCAP
I am using WireShark to analyse the network traffic. After saving traffic in a .pcap file and I need to analyse it using JNetPCAP API.
There is some way to know the numbers of packets contained in the pcap file?
Sample Code:
final String FILENAME =…
Alberto Crespo
- 2,429
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0 answers
Capture packets in vector or data structure
Im trying to capture network packets and put them in a Vector. Im having trouble doing this because If I create a Vector it wont be visible in the handler. I tried making the Vector public but I cant make it work. I would like to store the packets…
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2 answers
How to get IP address from ICMP packets using jnetpcap
I am using jnetpcap to analyze pcap files. I know how to get addresses when I encounter IP header
if(packet.hasHeader(ip)&&packet.hasHeader(tcp)&&tcp.flags_SYN())
{
sIP = packet.getHeader(ip).source();
sourceIP =…
giorgos
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0 answers
How to get TCP analysis flags in JNETPCAP
I am trying to use jnetpcap to get the values from an offline file read for the TCP analysis flags like those shown in wireshark under the TCP header.
I was able to obtain the TCP header packet but it does not contain this Analysis flag help will be…
Taher Galal
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