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is-port-445-open
x402
is-port-445-open is a paid API for AI agents from ip.intel.rallylive.ca, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-13).
Checks whether TCP port 445 (SMB/Windows file sharing) is open, closed, or filtered on a given host by attempting a connection from Cloudflare's edge network
Price / call$0.01
Success—
StatusUnknown
How this service works
Is TCP port 445 (SMB) open on a host? Attempts a connection from Cloudflare's edge and reports open/closed/filtered with the connect time; Cloudflare-fronted hosts are reported as inconclusive because their edge answers for them. Exposure checks for SMB without running a scanner. $0.01 per check.
Output
Returns the port status (open, closed, or filtered) for TCP port 445 on the specified host, along with the connection time in milliseconds. If the host is behind Cloudflare's edge, the result is flagged as inconclusive because Cloudflare's network answers the connection instead of the actual host.
Example use cases
SMB exposure audit on public server
“Check if port 445 is open on 203.0.113.45 — I want to know if SMB is accidentally exposed to the internet on that IP.”
Pre-deployment firewall verification
“Before I go live, can you verify that port 445 is closed and not reachable on my server at myserver.example.com? I need to confirm the firewall is blocking SMB.”
Security sweep for ransomware attack surface
“I need to check if TCP port 445 is open on 198.51.100.22 — I'm auditing our infrastructure for SMB exposure that ransomware could exploit.”
Technical details
Endpoint
GEThttps://ip.intel.rallylive.ca/ip/port/445?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a lightweight, no-scanner check of SMB port 445 exposure from an external vantage point (Cloudflare's edge) without deploying your own scanning infrastructure. Ideal for quick security audits, pre-deployment firewall checks, or confirming that port 445 is not accidentally exposed to the internet. Not suitable for hosts behind Cloudflare (results are inconclusive) or for comprehensive port range scanning.
Side effects
- Host is Cloudflare-fronted — result is inconclusive because Cloudflare's edge intercepts the connection
- Connection attempt times out — port may be filtered by a firewall with no response
- Invalid or unresolvable hostname returns an error
- Rate limiting if too many checks are performed in a short window
- Network unreachable scenarios may produce false filtered results
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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