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Questions tagged [syn]

Standalone Synthetic Event Library

Syn is used to simulate user actions such as typing, clicking, dragging the mouse. It creates synthetic events and performs default event behavior

Source

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Why do I have to place a delay in my Python code for SYN scan to work properly

I am learning to write a SYN Scanner in Python and I am farly new to Python language. I am using Scapy module and sr1 command to send the packet but I have written this code using Python Socket module and I have the same issue. The code will send…
Xyplex
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False positive SYN flood detection on every TCP connection

i'm using several PHP scripts (mostly via CLI, some via nginx / php-fpm) on a (Raspbian) Debian Linux system (4.19.75). My scripts are using simple TCP sockets as well as WebSockets to communicate with each other. For some reason the Linux kernel…
Daniel Jäger
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scapy kamene sending SYN packet

I tried sending a TCP SYN packet from a remote IP address to my local IP address using the following code. from kamene.all import * print("Send SYN from remote to…
user3819753
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Jmeter causing SYN Flood

While making HTTP call to server using Jmeter we see SYN flood. This is causing most probably since Jmeter doesn't sends back the ack as part of 3 way handshake. Is there any way we can force Jmeter to send the ack back to Server for TCP Connection…
vijay joshi
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How to handle `Self` in Rust procedual macros?

I'm trying to create a derive macro in Rust to create instances, as an example, which should implement following trait: pub trait MyTrait { fn my_default() -> Option; } I use syn and quote to parse and generate the AST, as…
Galaxy
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TCP SYN ACK manual construction?

Im trying to manually create a TCP syn ack to a received ack packet. The spoofed synack however is being dropped by the source. The syn ack checksum shows as erroneous when observed from wireshark. below is the code i use for constructing the packet…
wishwa perera
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what is difference between syn flood and port scan attack?

i am confused based on the difference between SYN Flood and Port scan attack. knowing that TCP SYN Flood is often referred to as "half-open" scanning, because you don't open a full TCP connection. You send a SYN packet, as if you are going to open a…
Agu Justice
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Gradle Project Sync Failed with SDK 4.0.3

Facing following Error on my App." Grade Project sync Failed(Editing, Debugging will not work properly) i am using SDK 4.0.3 while Android version is 6.0. Please support
ayazk
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Block too many packets on same port with same size

I'm getting attacks on my Debian server (DDos). They send massive amounts of packets to the same port, every packet got the same size. They send millions of packets with different ips to one of my ports with 46 bytes. Is there a chance to block…
emre1702
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