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| author | Timotej Lazar <timotej.lazar@fri.uni-lj.si> | 2019-02-24 21:05:27 +0100 |
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| committer | Timotej Lazar <timotej.lazar@fri.uni-lj.si> | 2019-02-24 21:05:27 +0100 |
| commit | 8081a5520a441b43a8a7a73f3a90c7aacfaa8e10 (patch) | |
| tree | c7f49bd33ed19d53afc0ee9df8b2c82c200c5910 /kpov_judge/tasks/nat_vlc/howtos/en/index.html | |
| parent | 9963b74f777edf985540eac71b1ca095f88b8bca (diff) | |
Move everything one level up
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-<body><font face="Georgia, Times New Roman, Times, serif">
-<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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