Network Systems Administration practical work, developed with Nix Flakes for total reproducibility.
nix run .#run- The company wants three web pages:
- Administration page: admin.futuretech.pt - Only accessed on the Internal network.
- Internal communication page: gestao.futuretech.pt - Only accessed on the internal network.
- Page for clients: clientes.futuretech.pt - Only accessed on the external network.
- The company wants an email service and wants to use an email client, such as Thunderbird.
- WiFi and Networks:
- Open workspace with capacity for up to 40 employees
- Two meeting rooms with a dedicated network, with a capacity for 10 employees.
- Backup and log management:
- Backups should be carried out every day and always store only the last week.
- Only logs from the last week should be stored.
[guest@guest:~]$ sudo nmap --script broadcast-dhcp-discover
Starting Nmap 7.94 ( https://nmap.org ) at 2024-05-31 17:45 UTC
Pre-scan script results:
| broadcast-dhcp-discover:
| Response 1 of 3:
| Interface: eth0
| IP Offered: 10.0.2.15
| DHCP Message Type: DHCPOFFER
| Server Identifier: 10.0.2.2
| Subnet Mask: 255.255.255.0
| Router: 10.0.2.2
| Domain Name Server: 10.0.2.3
| IP Address Lease Time: 1d00h00m00s
| Response 2 of 3:
| Interface: eth0
| IP Offered: 10.0.1.2
| DHCP Message Type: DHCPOFFER
| Subnet Mask: 255.255.255.192
| IP Address Lease Time: 1s
| Server Identifier: 10.0.1.1
| Response 3 of 3:
| Interface: eth0
| IP Offered: 10.0.3.2
| DHCP Message Type: DHCPOFFER
| Subnet Mask: 255.255.255.192
| IP Address Lease Time: 1s
|_ Server Identifier: 10.0.3.1
WARNING: No targets were specified, so 0 hosts scanned.
Nmap done: 0 IP addresses (0 hosts up) scanned in 10.19 seconds