network_interface_update
Update an existing network interface. All fields are optional — only provide the ones you want to change. Network changes are staged until committed with network_commit_changes.
This record as markdown: /tools/nasbridge/network-interface-update.md
What network_interface_update does on Nasbridge
AI agents use network_interface_update to create or update resources in Nasbridge, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Nasbridge environment.
Why network_interface_update is rated Medium
The tool updates network interface configuration, which is a write operation that modifies system state. It's reversible (changes are staged until committed), so it falls under Write rather than Destructive. The severity is high because misconfigured network interfaces can severely impact system connectivity and accessibility, creating a significant blast radius if an AI agent makes unintended changes.
From the tool's definition Tool name: 'network_interface_update'. Description: 'Update an existing network interface. All fields are optional — only provide the ones you want to change.' This modifies network configuration reversibly until committed.
Attacks that exploit this kind of access
The rule that runs network_interface_update safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Nasbridge, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For network_interface_update, this is the rule to start with:
network_interface_update stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Nasbridge, apply this rule, and every network_interface_update call is checked against it from then on.
Questions about network_interface_update
Update an existing network interface. All fields are optional — only provide the ones you want to change. Network changes are staged until committed with network_commit_changes. It is categorised as a Write tool in the Nasbridge MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Nasbridge MCP server in PolicyLayer and add a rule for network_interface_update: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Nasbridge. Nothing to install.
network_interface_update is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the network_interface_update rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for network_interface_update. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
network_interface_update is provided by the Nasbridge MCP server (maverick0628/nasbridge). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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