Questions tagged [wireshark]
The network protocol analyzer developed and maintained by the Wireshark Foundation
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Server sometimes not sending ACK in response to PSH, ACK
We've implemented a TCP server socket in C++ on a linux machine which is connected to another device, streaming data small packets at high rate (800 Hz). To do so without too much latency (which we ...
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Detecting esp8266 traffic using Wireshark
I have programmed an esp8266 to make some http get requests to a remote webserver.
I would like to analyze this http requests somehow, with an external tool like Wireshark.
The purpose is to see how ...
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ARP request is successful, but TCP SYN is not visible in output of Wireshark
I was redirected from Network Engineering, hopefully below is in scope of on-topics.
I have a TCP server, its properties are the following:
It runs within a virtual machine (VMware).
The host OS is ...
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How to explain sequences of FIN,ACK instead of FIN - FIN,ACK?
Context: newly installed Debian 12, I get a bunch of strange logs related to ssh:
root@square:~# journalctl -u ssh -f
May 07 11:13:00 yop-square sshd[766]: error: kex_exchange_identification: ...
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802.11 frames gets resent by my linux
My program is sending custom 802.11 frames for WPA handshake, like authentication, association or acknowledgement. Yet the operating resend the same packet with modifying its radiotapheader and ...
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Why won't Google Chrome really or Firefox capture the network developer request of a form autopost
So imagine this code running on localhost:9080, the page does not render content but instead does a HTML auto post. But I like to use the network tab to see the HTML content rendered under the ...
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49
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How to capture packets with different snaplen for different packets
I'm trying to capture packets to diagnose a network application. There are a small number of packets that I want to capture the entire contents for application level protocol analysis, but a large ...
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36
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Filename error for TFTP recovery for a damaged embedded device
I have a device that do not start, I connected it to my PC and launched Wireshark.
As you can see bellow, the device is asking for a file ends with semi-colon called recovery; to be uploaded through ...
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57
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TCP packets with Protobuf messages not dissected
I'm trying to use Wireshark to dissect Protobuf messages sent over TCP using gRPC. When I view the data portion of a messages, I see raw bytes instead of a dissected view.
I've added the path to the ...
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Downloads stop suddenly in 5ghz only
Without the possibility of using a wired connection, I use a Wifi connection via tplink router an Intel Wifi 6E 160MHz card(latest Intel driver installed) on Windows 10.
I use an application (latest ...
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Does total network traffic being higher than the bit rate of a device's ethernet controller affect the controller?
I am using a Wago 750 ethernet controller on a local network that is at its peak hitting ~38,000,000 bits / second as per Wireshark. The Wago is becoming semi-unresponsive around the time of this ...
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PostgreSQL traffic analysis - Wireshark - how many bytes in total are being received by the client?
<TL;DR>
How many bytes are being received in total when a SELECT * command is issued for a (small) table?
</TL;DR>
I have a PostgreSQL table - very simple (see fiddle here):
CREATE TABLE ...
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286
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How Wireshark is able to pick network traffic from within Windows10 coming from WSL2
My task is to create 2x programs written in C/C++ which can communicate with each other from within WSL2 and Windows 10. I'm able to send traffic from WSL2 to Windows 10, however
I cannot manage to ...
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254
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Understanding packet routing when using Wireguard/Tailscale and the BitTorrent Protocol
I have a local machine on a VPN network with private IP A , and a VPS with private IP B which acts as an exit node, i.e. all traffic in the local machine is supposedly being routed from the local ...
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USB Enumeration - Windows - Unusual Port Reset
I am testing a custom usb data logger hardware by running a long term test. My tests have been failing due to USB communication issues after 15 odd hours so I decided to investigate. I have Wireshark ...