HaDiFunk/en
General Information

The “HaDiFunk” Wi-Fi network is broadcast at HaDiKo. The username and password are the same as the login credentials used for the wiki, etc. The authentication server (radius.hadiko.de) uses the ISRG Root X1 root certificate.
Devices that are not WPA2-Enterprise-compatible, such as Fire TV Sticks, cannot be used on HaDiFunk.
Availability
Wi-Fi is available in the following locations:
- In the hallways (K1 will be expanded in the coming months)
- In the bars
- In the study rooms
- In the TT-Raum
- On the K2 rooftop terrace
- In the workshops of Woodworking Club and Metalworking Club
- In the Sauna
Instructions
Windows 11 / Windows 10 / Windows 8
- Windows-Configuration
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1. Click the Network icon on your taskbar and select the Network and Sharing Center
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2. Select New Connection or Set Up Network
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3. Now select Connect manually to a wireless network.
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4. Now enter the required information: (Network name: HaDiFunk, Security: WPA2-Enterprise)
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4.5 Change connection settings
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5. Now you need to configure the security settings (see below)
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6. Click Settings next to the authentication method and change the following certificate settings (see below)
Security settings (for 5.):
- Security type: WPA2-Enterprise
- Encryption type: AES
- Network authentication: Microsoft: EAP-TTLS
Certificate settings (for 6.):
- Enable identity protection (check the box): anonymous
- Connect to the following servers: radius.hadiko.de
- Trusted root certificate authorities: ISRG Root X1
Linux
Network-Manager
- Network-Manager-Konfiguration
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1. In Network Manager, select Add Network
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2. Select WiFi
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3. Enter the SSID HaDiFunk
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4. Add the following security options in the Security tab
Security information (re: 4.):
- Security: WPA2 Enterprise
- Authentication: TTLS or Tunneled TLS
- Anonymous identity: anonymous
- Domain: radius.hadiko.de
- CA Certificate: ca-certificates.crt usually found under /etc/ssl/certs/
- Internal Authentication: PAP
- Username: Received upon registration with HaDiNet
- Password
wpa-supplicant
If you are using wpa-supplicant, you can add the Wi-Fi network using the configuration below. You must replace USERNAME and PASSWORD and, if necessary, adjust the ca_cert parameter. (See the General Information section)
network={
ssid="HaDiFunk"
key_mgmt=WPA-EAP
pairwise=CCMP TKIP
group=CCMP TKIP
eap=TTLS
phase2="auth=PAP"
anonymous_identity="anonymous"
identity="USERNAME"
password="PASSWORD"
ca_cert="/etc/ssl/certs/ca-certificates.crt"
altsubject_match="DNS:radius.hadiko.de"
}
Android
Google-Android
The following screenshots were taken from a smartphone running Android 10.
- Android-Konfiguration
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1. Under Wi-Fi, find the network HaDiFunk and select Advanced Settings
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2. Now you need to enter the security settings (see below/2.5)
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2.5 After entering the settings, confirm by clicking Connect
'‘'Security options for 2.:’
- EAP method: ‘’'TTLS'‘’ or Tunneled TLS
- Phase 2 authentication: ‘’'PAP'‘’
- CA certificate: System certificate or the ISRG_ROOT_X1
- Domain: ‘’'radius.hadiko.de'‘’
- Identity: Received upon registration with HaDiNet
- Anonymous identity: ‘’'anonymous'‘’
- Password
Apple Devices (iOS & MacOS)
For Apple devices (iOS & macOS), there is a configuration profile that automatically configures the Wi-Fi settings. If needed, to remove the profile, go to (System) Settings under General ➔ (VPN and) Device Management.
iOS & iPadOS Configuration
- iOS-Konfiguration
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1. Download Profile
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2. Do to Downloads
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3. View File
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4. Open File
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5. Choose Device
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6. Open Settings
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7. Install profile
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8. Accept Hint
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9. Install
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10. Enter HaDiNet Username
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11. Enter HaDiNet Password
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12. Done!
MacOS Konfiguration
- Download the configuration profile here and double-click it to open it if necessary
- Confirm the profile loading by clicking “OK”
- Go to System Preferences, click “Profile Loaded,” and confirm the installation by double-clicking “WLAN at HaDiKo.”
- Confirm the installation in the pop-up window that appears by clicking “Install...”
- Trust the publishers of the configuration profile by clicking “Continue”
- Enter your HaDiNet login credentials and proceed by clicking “Install”
- macOS-Konfiguration
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2. Confirm that the profile should be loaded
- macOS-Konfiguration
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33. Install the profile in System Preferences
- macOS-Konfiguration
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4. Confirm the installation in System Preferences
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5. Trust the publishers of the configuration profile
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6. Enter your HaDiNet login credentials







