tonicmuroq

Linux NetFilter, IP Tables and Conntrack Diagrams

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.

tonicmuroq

package main

import (
  git "github.com/libgit2/git2go"
  "log"
)

func credentialsCallback(url string, username string, allowedTypes git.CredType) (git.ErrorCode, *git.Cred) {
  ret, cred := git.NewCredSshKey("git", "/home/vagrant/.ssh/id_rsa.pub", "/home/vagrant/.ssh/id_rsa", "")
  return git.ErrorCode(ret), &cred

tonicmuroq

#! /usr/bin/python
# -*- coding: utf-8 -*-

# (The MIT License)
# 
# Copyright © 2009 John Tantalo
# 
# Permission is hereby granted, free of charge, to any person obtaining a copy of
# this software and associated documentation files (the ‘Software’), to deal in
# the Software without restriction, including without limitation the rights to

tonicmuroq

# coding: utf-8

import random
import requests
import multiprocessing

def request_once():
    randint = random.randint(1, 10000)
    url = 'http://localhost:8000?value=%s' % randint
    r = requests.get(url)

tonicmuroq

package main

import (
	"database/sql"
	_ "github.com/go-sql-driver/mysql"
	"io/ioutil"
	"strings"
)

func main() {

tonicmuroq

from flask import Flask

from raven.contrib.flask import Sentry

app = Flask(__name__)
sentry = Sentry(dsn='')
sentry.init_app(app)


@app.route('/')

tonicmuroq

net.ipv4.ip_forward = 1
net.ipv4.conf.default.rp_filter = 1
net.ipv4.conf.default.accept_source_route = 0
kernel.sysrq = 0
kernel.core_uses_pid = 1
net.ipv4.tcp_syncookies = 1
kernel.msgmnb = 65536
kernel.msgmax = 65536
kernel.shmmax = 68719476736
kernel.shmall = 4294967296

tonicmuroq

2014/12/25 15:17:08 [error] 21798#0: *1962274 connect() failed (110: Connection timed out) while connecting to upstream, client: 10.1.201.16, server: ipservice.intra.hunantv.com, request: "GET /exec?ip=116.186.128.2 HTTP/1.0", upstream: "http://10.1.201.46:80/exec?ip=116.186.128.2", host: "ipservice.intra.hunantv.com"
2014/12/25 15:17:08 [error] 21792#0: *1962290 connect() failed (110: Connection timed out) while connecting to upstream, client: 10.1.201.16, server: ipservice.intra.hunantv.com, request: "GET /exec?ip=116.186.128.2 HTTP/1.0", upstream: "http://10.1.201.46:80/exec?ip=116.186.128.2", host: "ipservice.intra.hunantv.com"
2014/12/25 15:17:08 [error] 21792#0: *1962289 connect() failed (110: Connection timed out) while connecting to upstream, client: 10.1.201.16, server: ipservice.intra.hunantv.com, request: "GET /exec?ip=116.186.128.2 HTTP/1.0", upstream: "http://10.1.201.46:80/exec?ip=116.186.128.2", host: "ipservice.intra.hunantv.com"
2014/12/25 15:17:08 [error] 21798#0: *1962275 connect() failed (

tonicmuroq

user  nginx;
worker_processes  24;

error_log  /mnt/mfs/logs/nbe/master/error-kili10.log warn;
pid        /var/run/nginx.pid;

events {
    worker_connections  102400;
}

tonicmuroq

syntax on
filetype off

" format and user interface
set nocompatible
set number
set softtabstop=4 tabstop=4 shiftwidth=4
set expandtab
set autoindent
set incsearch