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-<strong><h1>NAT VLC:</h1></strong>
-<p><strong><h2>Explanation:</h2></strong><br>
- Set up a computer so that it forwards all packets meant for a certain address, to another computer.</p>
-<p><strong><h2>Instructions:</h2></strong>
- <h3>1. Create two VMs. SimpleArbiter using the disk simpleArbiter and NATServer. </h3>
- You can get the disks at polz.si/media/uploads/kpov/virtualke. As for the NATServer VM, you can use any disk you want like base-student-desktop-2014.
-<br>
- <h3>2. NATServer should have two network interfaces, one should connect to the simpleArbiter VM and the other to the internet.</h3>
- Adapter 1 should be NAT and adapter 2 should be Internal Network.<br>
- Simple Arbiter must be connected to the Internal Network.
-<br>
- <img style="width: 500px; height: 310px;" src="../images/1.jpg" alt="slika-1"></img>
- <h3>3.On NATServer use ifconfig or /etc/network/interfaces to configure the network interfaces you created in virtualbox.<br></h3>
-
- -vim /etc/network/interfaces<br>
- -Set it up like this:<br>
- auto eth1<br>
- iface eth1 inet static<br>
- NETMASK 255.255.0.0 # Specify based on your requirement<br>
- IPADDR 192.168.2.1 # Gateway of the LAN<br>
- NETWORK 192.168.0.0 # Optional<br>
- ADDRESS 192.168.0.0 <br>
- -ifdown eth1<br>
- -ifup eth1
-<br>
-<img style="width: 500px; height: 310px;" src="../images/2.jpg" alt="slika-2"></img>
- <h3>4. Configure SimpleArbiter so that it uses NATServer as the default gateway.</h3>
-
- <h3> 5. Set up DNS (etc/resolv.conf) on NATServer.</h3>
- vim /etc/resolv.conf
- nameserver 203.145.184.13 # Primary DNS Server provided by the ISP<br>
- nameserver 202.56.250.5 # Secondary DNS Server provided by the ISP<br>
- Than we set up the host:<br>
- vim /etc/hosts<br>
- Replace the first line with:<br>
- 127.0.0.1 nat localhost.localdomain localhost<br>
-
- <h3>6. Enable IP forwarding on NATServerju (should be run as root).</h3>
- echo 1 > /proc/sys/net/ipv4/ip_forward
-
- <h3>7. Set up NAT on NATServer using iptables.</h3>
-
- apt-get install iptables<br>
- iptables -F<br>
- ptables -t nat -F<br>
- iptables -t mangle -F <br>
- iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE<br>
- iptables -A FORWARD -i eth1 -j ACCEPT<br><br>
-
- service iptables restart
-
- <h3>8. Use vlc on simpleArbiter to watch the video over your network. </h3> <br>
-
-
- <h3>8. Additional resources </h3> <br>
--https://www.howtoforge.com/nat_iptables<br>
--http://www.bctes.com/nat-linux-iptables.html<br>
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-<strong><h1>NAT VLC:</h1></strong>
-<p><strong><h2>Naloga na hitro:</h2></strong><br>
- Nastavi računalnik tako, da bo vse pakete za določene naslove prepošiljal na drug računalnik, vzpostavi NAT.</p>
-<p><strong><h2>Navodila:</h2></strong>
- <h3>1. Postavi dva navidezna računalnika. SimpleArbiter z diskom simpleArbiter ter NATServer. </h3>
- Virtualke dobiš na (polz.si/media/uploads/kpov/virtualke). Za NATServer lahko uporabiš base-student-desktop-2014.
-<br>
- <h3>2. Postavi NAT server tako, da ima dva omrežna vmesnika. Z enim naj bo povezan na simpleArbiter, z drugim pa na internet.</h3>
- (settings-Network) Adapter 1 nastavimo na NAT (omrežje), adapter 2 pa na InternalNetwork (lokalno).<br>
- Simple Arbiter nastavimo na InternalNetwork(lokalno).
-<br>
- <img style="width: 500px; height: 310px;" src="../images/1.jpg" alt="slika-1"></img>
- <h3>3.Na NATServer z ukazom ifconfig in z datoteko /etc/network/interfaces skonfiguriraj omrežne vmesnike<br>
- tako, da bo en povezan v WAN (internet) in en vmesnik na LAN (simpleArbiter).</h3>
-
- -vim /etc/network/interfaces<br>
- -dopišemo:<br>
- auto eth1<br>
- iface eth1 inet static<br>
- NETMASK 255.255.0.0 # Specify based on your requirement<br>
- IPADDR 192.168.2.1 # Gateway of the LAN<br>
- NETWORK 192.168.0.0 # Optional<br>
- ADDRESS 192.168.0.0 <br>
- -ifdown eth1<br>
- -ifup eth1
-<br>
-<img style="width: 500px; height: 310px;" src="../images/2.jpg" alt="slika-2"></img>
- <h3>4. SimpleArbiter skofiguriraj tako, da bo privzeti prehod uporabljal NATServer.</h3>
- Nastavi gateway, da ima IP od NATServerja.<br>
- route add -net IP netmask MASK default gw IP dev eth0<br>
-
- <h3> 5. Nastavi DNS (etc/resolv.conf) na NATServerju.</h3>
- vim /etc/resolv.conf
- nameserver 203.145.184.13 # Primary DNS Server provided by the ISP<br>
- nameserver 202.56.250.5 # Secondary DNS Server provided by the ISP<br>
- Nato nastavimo še host:<br>
- vim /etc/hosts<br>
- Prvo vrstico zamenjamo z:<br>
- 127.0.0.1 nat localhost.localdomain localhost<br>
-
- <h3>6. Omogoči posredovanje IP naslovov na NATServerju.</h3>
- echo 1 > /proc/sys/net/ipv4/ip_forward
-
- <h3>7. Nastavi NAT z uporabo paketa iptables na NATServerju.</h3>
-
- apt-get install iptables<br>
- iptables -F<br>
- ptables -t nat -F<br>
- iptables -t mangle -F <br>
- iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE<br>
- iptables -A FORWARD -i eth1 -j ACCEPT<br><br>
-
- service iptables restart
-
- <h3>8. Na simpleArbiter z vlc preberi naslov, na katerem si lahko ogledaš kratek filmček. </h3>
-
- apt-get install vlc-nox<br>
- Nastavitev naslova:<br>
- Open Media > OpenNetwork ....<br>
-
-
-
- <h3>8. Dodatni viri </h3> <br>
--https://www.howtoforge.com/nat_iptables<br>
--http://www.bctes.com/nat-linux-iptables.html<br>
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