====== Network ======

===== Ports =====

^Port^Protocol^
|  20 + 21  |  FTP  |
|  22  |  SSH  |  
|  25  |  SMTP  | 
|  80  |  HTTP  |
|  137 + 139  |  TCP/UDP - SMB/Samba  |
|  443  |  HTTPS  |
|  8080  |  Proxy  |
|  3389  |  RDP  |
|  3306  |  MySQL  | 

===== Configuration =====


==== Proxy ====

For your account only edit:
<code>
sudo vi /home/<username>/.bashrc
</code>
\\
For global proxy edit:
<code>
sudo vi /etc/profile
</code>
add
<code>
export http_proxy=http://10.0.0.1:8080
</code>
\\
Reload your configuration
<code>
source /home/<username>/.bashrc

or

source /etc/profile
</code>


==== Change your IP ====

Edit /etc/network/interfaces:
<code>
sudo vi /etc/network/interfaces
</code>
and add
<code>
auto eth0
iface eth0 inet static
        address 10.0.0.2
        netmask 255.0.0.0
        network 10.0.0.0
        broadcast 10.0.0.255
        gateway 10.0.0.1
        dns-nameservers 10.0.0.1
</code>
Restart your networkinterface
<code>
/etc/init.d/networking restart
</code>


==== Join a domain and change hostname ====

Edit /etc/hosts
<code>
sudo vi /etc/hosts
</code>
and add
<code>
127.0.0.1       localhost.localdomain localhost
127.0.1.1       ubuntu.lunetikk.de ubuntu
10.0.0.2        ubuntu.lunetikk.de ubuntu
</code>
\\
\\
Open /etc/hostname and change the entry to your new hostname (for example: ubuntu)
<code>
sudo vi /etc/hostname
</code>
Reload your hostname
<code>
hostname –F /etc/hostname
</code>
\\
\\
~~DISCUSSION:closed~~