= Iptables !
Apostolos rootApostolos@swarmlab.io
// Metadata:
:description: Intro and Install
:keywords: sec, iptables
:data-uri:
:toc: right
:toc-title: Πίνακας περιεχομένων
:toclevels: 4
:source-highlighter: highlight
:icons: font
:sectnums: 

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[[cheat-Docker]]
== Install swarmlab-sec (Home PC)

HowTo: See http://docs.swarmlab.io/lab/sec/sec.adoc.html


.NOTE
[NOTE]
====
Assuming you're already logged in
====




== Find IP

.Step 1 (find local IP)
[source,bash]
----
# ifconfig

eth0:   flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 172.21.0.2  netmask 255.255.0.0  broadcast 172.21.255.255
        ether 02:42:ac:15:00:02  txqueuelen 0  (Ethernet)
        RX packets 61  bytes 9309 (9.3 KB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 0  bytes 0 (0.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

lo:     flags=73<UP,LOOPBACK,RUNNING>  mtu 65536
        inet 127.0.0.1  netmask 255.0.0.0
        loop  txqueuelen 1000  (Local Loopback)
        RX packets 248  bytes 14260 (14.2 KB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 248  bytes 14260 (14.2 KB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0
---- 

TIP: inet ***172.21.0.2***  netmask 255.255.0.0  broadcast 172.21.255.255

== Find live hosts

.Step 2 (find live hosts on network)
[source,bash]
----
nmap -sP 172.21.0.*

Nmap scan report for 172.21.0.1 (172.21.0.1)
Host is up (0.00028s latency).
MAC Address: 02:42:56:48:D0:61 (Unknown)
Nmap scan report for testnetwork2_worker_1.testnetwork2_net (172.21.0.3)
Host is up (0.00015s latency).
MAC Address: 02:42:AC:15:00:03 (Unknown)
Nmap scan report for testnetwork2_worker_3.testnetwork2_net (172.21.0.4)
Host is up (0.00018s latency).
MAC Address: 02:42:AC:15:00:04 (Unknown)
Nmap scan report for testnetwork2_worker_4.testnetwork2_net (172.21.0.5)
Host is up (0.00015s latency).
MAC Address: 02:42:AC:15:00:05 (Unknown)
Nmap scan report for testnetwork2_worker_2.testnetwork2_net (172.21.0.6)
Host is up (0.00017s latency).
MAC Address: 02:42:AC:15:00:06 (Unknown)
Nmap scan report for 9110d42e466b (172.21.0.2)


nmap -sP 172.21.0.* | grep Nmap | cut -d' ' -f5-6

172.21.0.1 (172.21.0.1)
testnetwork2_worker_1.testnetwork2_net (172.21.0.3)
testnetwork2_worker_3.testnetwork2_net (172.21.0.4)
testnetwork2_worker_4.testnetwork2_net (172.21.0.5)
testnetwork2_worker_2.testnetwork2_net (172.21.0.6)
9110d42e466b (172.21.0.2)

----

.What is Nmap?
[NOTE]
====
Nmap, short for Network Mapper, is a free, open-source tool for vulnerability scanning and network discovery. Network administrators use Nmap to identify what devices are running on their systems, discovering hosts that are available and the services they offer, finding open ports and detecting security risks.
See https://en.wikipedia.org/wiki/Nmap
====



== Find open Ports

.Step 3 (find open ports)
[source,bash]
----
nmap -sP 83.212.114.*
----










:hardbreaks:

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:!hardbreaks:

'''

.Reminder
[NOTE]
====
:hardbreaks:
Caminante, no hay camino, 
se hace camino al andar.

Wanderer, there is no path, 
the path is made by walking.

*Antonio Machado* Campos de Castilla
====