ModeemiWiki

Hi! welcome to our workshop! Today we'd like to show a few things that you can do with computer networks!

The following points will be discussed:

• IP addresses (IPv4)
  • Gateway
  • Broadcast
  • Network
• Local network
  • Set it up
  • Take a look at packets (wireshark)
• Beyond local network - connecting many networks!

1. VPN project - two sites
   • first with 10.1.1.0/24 network, VPN server
   • second with 10.1.2.0/24 network, VPN client
   • first has 10.1.3.1/30, second has 10.1.3.2/30

Server:

[Interface]
PrivateKey = yourPrivateKey
Address = 10.1.3.1/30
ListenPort = 51820
PostUp = ip route add 10.1.2.0/24 via 10.1.3.1

[Peer]
PublicKey = OtherpartyPublicKey
AllowedIPs = 10.1.2.0/24, 10.1.3.2/32

Client:

[Interface]
Address = 10.1.3.2/30
PrivateKey = yourPrivateKey
PostUp = ip route add 10.1.1.0/24 via 10.1.3.2

[Peer]
PublicKey = OtherPartyPublickey
Endpoint = publicIP:51820
AllowedIPs = 10.1.1.0/24, 10.1.3.1/32
PersistentKeepalive = 21

Generate private and public key for VPN server

wg genkey | tee privatekey | wg pubkey > publickey; cat publickey; cat privatekey