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55 lines
2.1 KiB
Markdown
Executable File
55 lines
2.1 KiB
Markdown
Executable File
# Device Name Resolution
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Name resolution in NetAlertX relies on multiple plugins to resolve device names from IP addresses. If you are seeing `(name not found)` as device names, follow these steps to diagnose and fix the issue.
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> [!TIP]
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> Before proceeding, make sure [Reverse DNS](./REVERSE_DNS.md) is enabled on your network.
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> You can control how names are handled and cleaned using the `NEWDEV_NAME_CLEANUP_REGEX` setting.
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> To auto-update Fully Qualified Domain Names (FQDN), enable the `REFRESH_FQDN` setting.
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## Required Plugins
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For best results, ensure the following name resolution plugins are enabled:
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- **AVAHISCAN** – Uses mDNS/Avahi to resolve local network names.
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- **NBTSCAN** – Queries NetBIOS to find device names.
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- **NSLOOKUP** – Performs standard DNS lookups.
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- **DIGSCAN** – Performs Name Resolution with the Dig utility (DNS).
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You can check which plugins are active in your _Settings_ section and enable any that are missing.
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There are other plugins that can supply device names as well, but they rely on bespoke hardware and services. See [Plugins overview](./PLUGINS.md) for details and look for plugins with name discovery (🆎) features.
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## Checking Logs
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If names are not resolving, check the logs for errors or timeouts.
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See how to explore logs in the [Logging guide](./LOGGING.md).
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Logs will show which plugins attempted resolution and any failures encountered.
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## Adjusting Timeout Settings
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If resolution is slow or failing due to timeouts, increase the timeout settings in your configuration, for example.
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```ini
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NSLOOKUP_RUN_TIMEOUT = 30
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```
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Raising the timeout may help if your network has high latency or slow DNS responses.
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## Checking Plugin Objects
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Each plugin stores results in its respective object. You can inspect these objects to see if they contain valid name resolution data.
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See [Logging guide](./LOGGING.md) and [Debug plugins](./DEBUG_PLUGINS.md) guides for details.
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If the object contains no results, the issue may be with DNS settings or network access.
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## Improving name resolution
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For more details how to improve name resolution refer to the
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[Reverse DNS Documentation](./REVERSE_DNS.md).
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