IPTABLES TABLES and CHAINS

IPTables has the following 4 built-in tables.

1) Filter Table

Filter is default table for iptables. So, if you don’t define you own table, you’ll be using filter table. Iptables’s filter table has the following built-in chains.

SSvilen / zshrc

Last active October 14, 2023 19:33

ZSH + Oh-my-Zsh customizations

	# Enable Powerlevel10k instant prompt. Should stay close to the top of ~/.zshrc.
	# Initialization code that may require console input (password prompts, [y/n]
	# confirmations, etc.) must go above this block; everything else may go below.
	if [[ -r "${XDG_CACHE_HOME:-$HOME/.cache}/p10k-instant-prompt-${(%):-%n}.zsh" ]]; then
	source "${XDG_CACHE_HOME:-$HOME/.cache}/p10k-instant-prompt-${(%):-%n}.zsh"
	fi

	export ZSH="/home/svilen/.oh-my-zsh"

	ZSH_THEME="powerlevel10k/powerlevel10k"

SSvilen / extended-cleanup-rancher2.sh

Created July 15, 2020 20:04 — forked from superseb/extended-cleanup-rancher2.sh

Extended Rancher 2 cleanup (backup your data, use at your own risk)

	#!/bin/sh
	# Backup your data
	# Use at your own risk
	# Usage ./extended-cleanup-rancher2.sh
	# Include clearing all iptables: ./extended-cleanup-rancher2.sh flush
	docker rm -f $(docker ps -qa)
	docker rmi -f $(docker images -q)
	docker volume rm $(docker volume ls -q)
	for mount in $(mount \| grep tmpfs \| grep '/var/lib/kubelet' \| awk '{ print $3 }') /var/lib/kubelet /var/lib/rancher; do umount $mount; done
	cleanupdirs="/etc/ceph /etc/cni /etc/kubernetes /opt/cni /opt/rke /run/secrets/kubernetes.io /run/calico /run/flannel /var/lib/calico /var/lib/etcd /var/lib/cni /var/lib/kubelet /var/lib/rancher/rke/log /var/log/containers /var/log/pods /var/run/calico"

SSvilen / TerminalSetttings.json

Last active June 14, 2020 20:04

	// This file was initially generated by Windows Terminal 1.0.1401.0
	// It should still be usable in newer versions, but newer versions might have additional
	// settings, help text, or changes that you will not see unless you clear this file
	// and let us generate a new one for you.
	// To view the default settings, hold "alt" while clicking on the "Settings" button.
	// For documentation on these settings, see: https://aka.ms/terminal-documentation
	{
	"$schema": "https://aka.ms/terminal-profiles-schema",
	"defaultProfile": "{574e775e-4f2a-5b96-ac1e-a2962a402336}",
	// You can add more global application settings here.

SSvilen / Microsoft.PowerShell_profile.ps1

Last active June 11, 2020 18:15

PS Profile

	function Prompt {
	$host.ui.RawUI.WindowTitle = $pwd
	if (([Security.Principal.WindowsPrincipal]::new(
	[System.Security.Principal.WindowsIdentity]::GetCurrent())).IsInRole(
	[System.Security.Principal.WindowsBuiltInRole]::Administrator)) {
	if (Get-GitStatus) {
	Write-Host '<<ADMINISTRATOR>> ' -NoNewline -ForegroundColor Red
	Write-Host (& $GitPromptScriptBlock) -NoNewline
	return " "
	}

Svilen SSvilen

Linux NetFilter, IP Tables and Conntrack Diagrams

IPTABLES TABLES and CHAINS

IPTables has the following 4 built-in tables.