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Weidmüller Firewall API

API for firewall settings of u-OS

Weidmüller Firewall API is one of 16 APIs that Weidmüller publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

This API exposes 5 JSON Schema definitions.

Tagged areas include Firewall. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and 5 JSON Schemas.

This API exposes 8 operations across 3 paths, and defines 24 schemas. It is described by OpenAPI 3.2.0, at version 1.5.0-next.

Requests are made against a single base URL, /u-os-adm/api/v1.

8 operations 3 paths 24 schemas 2 GET1 HEAD2 PATCH1 POST2 PUT

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.2.0
API Version
1.5.0-next
Server
/u-os-adm/api/v1
Authentication
OAuth 2.0
Contact
Weidmüller
License
MIT
Resource Areas
1

Authentication & Security 1

Weidmüller Firewall API declares 1 security scheme for authenticating requests. It supports OAuth 2.0 (OAuth2) using the clientCredentials flow, exposing 20 scopes.

  • OAuth2 — The HTTP API uses the OAuth2 client credentials flow.

Paths & Operations 8

Across 3 paths, the API surfaces 8 operations — 2 GET, 1 HEAD, 2 PATCH, 1 POST, 2 PUT. Each is listed below with its method, path, parameters, and response codes.

Firewall 8

API for firewall settings of u-OS

GET
/firewall/active-config
Get the currently active firewall configuration
get_firewall_active_config → 200default
PUT
/firewall/active-config
Set a temporary override on the active firewall configuration
set_firewall_active_config 2 params body → 200default
HEAD
/firewall/active-config
Check active firewall configuration metadata.
head_firewall_active_config → 200default
PATCH
/firewall/active-config
Modify the active firewall configuration with a temporary override
update_firewall_active_config 2 params body → 200default
GET
/firewall/config
Get the persistent firewall configuration
get_firewall_config → 200default
PUT
/firewall/config
Set the persistent firewall configuration
set_firewall_config 1 param body → 200default
PATCH
/firewall/config
Modify the persistent firewall configuration
update_firewall_config 1 param body → 200default
POST
/firewall:reload
Reloads the firewall configuration, which deletes the temporary config and…
reload_firewall_config → 200default

Schemas 24

The contract defines 24 schemas that model the data the API accepts and returns. The most detailed are HttpErrorPayload (5 properties), InputRule (4 properties), OutputRule (4 properties), ForwardRule (4 properties). Each schema is shown below with its type and property counts.

PartialFirewallConfig
object
Custom firewall configuration. Contains filter and nat rules. If an array is empty, it means "match all". For example, an InputRule with an empty source matche…
2 properties
PostroutingRule
object
4 properties 4 required
HttpErrorPayload
object
Common error payload structure for HTTP responses. Based on [RFC 9457](https://datatracker.ietf.org/doc/html/rfc9457)
5 properties 3 required
NatRules
object
2 properties 2 required
InterfacePolicy
object
Specifies the default action for packets that do not match any rule on a specific interface. This allows you to configure whether the rules are an allowlist or…
3 properties 3 required
PartialNatRules
object
2 properties
InboundMatch
PartialFilterRules
object
4 properties
OutboundMatch
ForwardMatch
PolicyType
string
OSDefault - All custom firewall rules will be ignored! Uses the default policy and firewall rules of u-OS. Currently, this means input=Accept, output=Accept, f…
PostroutingAction
Specifies the action to take for packets that match a postrouting rule. Masquerade replaces the source address with the outgoing interface's IP address. Snat r…
PreroutingRule
object
4 properties 4 required
DnatAction
MasqueradeAction
object
The source address is replaced depending on the routing destination (e.g. with the outgoing interface's IP address).
1 property 1 required
SnatAction
object
Write a specific source address to the packet.
3 properties 2 required
ForwardRule
object
4 properties 4 required
OutputRule
object
4 properties 4 required
FirewallConfig
object
Custom firewall configuration. Contains filter and nat rules. If an array is empty, it means "match all". For example, an InputRule with an empty source matche…
2 properties 2 required
RuleAction
string
Specifies if the matching packets should be dropped, accepted. If a packet is accepted or dropped, no further rules are evaluated for that packet. You can use…
DnatActionRedirect
object
Redirect to the firewall host itself
2 properties 2 required
DnatActionForward
object
Forward to another host/port.
3 properties 2 required
InputRule
object
4 properties 4 required
FilterRules
object
4 properties 4 required

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

weidmueller-firewall-api-openapi.yml Raw ↑

Other APIs Weidmüller publishes across the network.

Weidmüller u-OS Data Hub Variable-NATS API
Weidmüller Consumer API
Weidmüller Logging API
Weidmüller Network API
Weidmüller Operations API
Weidmüller Ping API
Weidmüller Realtime API
Weidmüller Recovery API
Weidmüller Security API
Weidmüller Serial Interfaces API
Weidmüller Syslog API
Weidmüller System API
Where this information came from

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