This record as markdown: /tools/ikuai-mcp-server/set-wan-web-access.md
What set_wan_web_access does on Ikuai
AI agents use set_wan_web_access to create or update resources in Ikuai, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Ikuai environment.
Why set_wan_web_access is rated Medium
This tool creates or modifies router security configuration state (enabling/disabling WAN web access), which is reversible but has significant security implications. It does not delete data (Destructive), execute arbitrary commands (Execute), move money (Financial), or merely query data (Read). The Write category is most appropriate.
From the tool's definition set_wan_web_access 开启/关闭外网 Web 访问(从外网访问路由器后台) - this tool modifies router configuration settings by enabling or disabling external WAN web access to the router's admin interface.
Attacks that exploit this kind of access
The rule that runs set_wan_web_access safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Ikuai, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For set_wan_web_access, this is the rule to start with:
set_wan_web_access 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 Ikuai, apply this rule, and every set_wan_web_access call is checked against it from then on.
Questions about set_wan_web_access
开启/关闭外网 Web 访问(从外网访问路由器后台). It is categorised as a Write tool in the Ikuai MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Ikuai MCP server in PolicyLayer and add a rule for set_wan_web_access: 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 Ikuai. Nothing to install.
set_wan_web_access 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 set_wan_web_access 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 set_wan_web_access. 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.
set_wan_web_access is provided by the Ikuai MCP server (gxxHuang/ikuai-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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