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is-port-135-open
x402
is-port-135-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 135 (MS-RPC) 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 135 (MS-RPC) 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 MS-RPC without running a scanner. $0.01 per check.
Output
Returns whether TCP port 135 is open, closed, or filtered on the target host, along with the connection time in milliseconds. If the host is behind Cloudflare's edge (which answers connections on behalf of the origin), the result is flagged as inconclusive.
Example use cases
Audit MS-RPC exposure on a server
“Check if port 135 is open on my server at 198.51.100.22 — I need to know whether MS-RPC is exposed to the internet before our security review.”
Pre-deployment firewall verification
“Before I launch this Windows VM at 203.0.113.78, can you verify that TCP port 135 is blocked and not accessible from outside?”
Incident response RPC check
“We got an alert about a potential RPC exploit — can you quickly check if port 135 is open or filtered on 192.0.2.101 so I can assess the exposure?”
Technical details
Endpoint
GEThttps://ip.intel.rallylive.ca/ip/port/135?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a quick, agentless check on whether port 135 (MS-RPC) is publicly reachable on a host, without deploying a local port scanner. It is ideal for security audits, firewall validation, and incident triage where you want an external perspective from Cloudflare's edge network. Prefer this over generic network scanners when you specifically need MS-RPC exposure data at low cost ($0.01/check) and don't want to manage scanner infrastructure.
Side effects
- Cloudflare-fronted hosts return inconclusive status because Cloudflare's edge answers the TCP connection before the origin
- Filtered ports may time out, leading to slower responses
- Invalid or unresolvable hostnames will fail to produce a result
- Firewalls that silently drop packets may be misreported as filtered vs closed
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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