--- title: "Checklist - IT Security" slug: "it-security-checklist-en" updated: 2026-08-04T11:17:50Z published: 2026-08-04T11:17:50Z canonical: "docs.insys-icom.com/it-security-checklist-en" --- > ## Documentation Index > Fetch the complete documentation index at: https://docs.insys-icom.com/llms.txt > Use this file to discover all available pages before exploring further. # Checklist - IT Security | Function | Note | | --- | --- | | User management | only provide users with the required rights and set up a strong password; use different passwords for each router/user | | RADIUS server | authentication via RADIUS server increases IT security | | Access protection for user interface | deactivate access via unencrypted HTTP connection, if possible; deactivate access via encrypted HTTPS connection, if not required; an authentication with certificates is recommended | | Automatic session timeout for user interface | as brief as possible to close the configuration channel as quickly as possible after leaving the configuration PC without logging off beforehand | | Access to command line (CLI) | only via encrypted SSH connection, if required | | VPN connections | use VPN connections if possible (don’t use PPTP with this) | | NTP synchronisation | provide for regular synchronisation of the internal clock to be able to check the validity of certificates, for example | | Auto update | provide for automatic update of the router firmware to avoid security vulnerabilities in an outdated firmware | | DHCP server | deactivate, if not required | | DNS relay | deactivate, if not required | | IP filter | activate and make rules as precise as possible (permit only those packets that are absolutely necessary); verify existing rules with regard to IT security; restrict existing rules to IPv4 or IPv6, if only one IP version is used | | MAC filter | activate if all connected devices are known; don’t forget in this case to enter the MAC address of the configuration PC | | SNMP | use only v3 with authentication and encryption if required | | SLAAC | deactivate, if not required or IPv6 is not used | | Switch | only activate necessary ports to restrict physical access to the network | | Messages upon IT security-relevant events | add messages (via SMS, E-Mail, SNMP trap or MCIP) upon IT security-relevant events like login attempts, configuration changes, changes at the switch, etc. to alert users in due time | | Log files | check regularly for irregularities to recognise these early | | Profile (configuration) | store, secure and protect against unauthorised access router configuration as profile offline as well as document and comment it if required to impede tampering | | Installation location | Set up the router in a location protected from access to make physical access to it more difficult | | WLAN (WiFi) | Configure WLAN (WiFi) following best practice for a secure network; use the most secure encryption possible (WPA3) and a strong password | The check list makes no claim to be complete and has a general nature only.