PCAP stands for Packet CAPture.
PCAP is a file format containing network-related packet-based data capture. PCAP is also a filetype.
Questions tagged [pcap]
80 questions
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Linux: bridge vs. vlan vs. tcpdump
I have a Proxmox host with kernel 5.15.19-2-pve.
It has a bond0 interface made from eth2 and eth3, which receives vlan tagged traffic.
I created a vmbr666 bridge that shows looks like this:
# /etc/network/interfaces:
auto vmbr666
iface vmbr666 inet…
András Korn
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Can I determine a EWOULDBLOCK/EAGAIN situation from a pcap/tcpdump
Is there a way I can determine if a certain message resulted in an EWOULDBLOCK/EAGAIN return code to the server which sent the packet?
The server was sending messages to the client
At time 10,the server sent message 100
At time 20, the server sent…
PasanW
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Pcap (tcpdump) filter to match against local port
I'm trying to write a libpcap (tcpdump, iftop) filter that would match packets having a specific local port.
That is, I'm interested in traffic that either goes out of port 12345 on the local machine or into port 12345 on the local machine.
The…
intelfx
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SSH connection not established, but standard TCP/IP connection works
I'm working on a custom yocto Linux for a Raspberry PI 3 and try to get the WIFI connection working with SSH. However when trying to connect from my PC (Ubuntu 19.10, SSH OpenSSH_8.0p1 Ubuntu-6build1, OpenSSL 1.1.1c 28 May 2019) to the PI on which…
deets
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Serializing pcap file into 4B chunks
Given a previously generated pcap file, how do I serialize the data into 4B (or N byte) chunks. The format/protocol of the pcap data is not relevant here.
pcapmaniac
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