Categories
bash

scan your network with bash IP scan script

Here is the youtbe video that will walk you through bash script.

 

Categories
Fedora Learning Linux

Kernel dropped packet analysis

Found a simple method to check for all the packets dropped by kernel.

First you need to install dropwatch with

dnf install dropwatch

and details of the package

Name        : dropwatch
Arch        : x86_64
Epoch       : 0
Version     : 1.4
Release     : 13.fc24
Size        : 27 k
Repo        : fedora
Summary     : Kernel dropped packet monitor
URL         : http://fedorahosted.org/dropwatch
License     : GPLv2+
Description : dropwatch is an utility to interface to the kernel to monitor for dropped
: network packets.

 

Once that is done, you will see the kernel address. How do you map those to kernel functions, refer Get kernel function name from kernel address.