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README.md

iprepd

iprepd is a centralized reputation daemon that can be used to store reputation information for various objects such as IP addresses and retrieve reputation scores for the objects.

The project initially focused on managing reputation information for only IP addresses, but has since been expanded to allow reputation tracking for other types of values such as account names or email addresses.

The daemon provides an HTTP API for requests, and uses a Redis server as the backend storage mechanism. Multiple instances of the daemon can be deployed using the same Redis backend.

Note: Support for legacy endpoints, such as GET /127.0.0.1 has been discontinued. Typed endpoints must now be used. For more information see the API documentation below. Some minor modification to client code is required to convert from the old endpoints.

Configuration

Configuration is done through the configuration file, by default ./iprepd.yaml. The location can be overridden with the -c flag.

See iprepd.yaml.sample for an example configuration.

Building the Docker image

./write_version_json.sh
docker build -t iprepd:latest .

Docker images are also published.

docker pull mozilla/iprepd:latest
docker run -ti --rm -v `pwd`/iprepd.yaml:/app/iprepd.yaml mozilla/iprepd:latest

API

Authentication

iprepd supports two forms of authentication. Clients can authenticate to the service using either standard API keys, or by using Hawk authentication.

Standard API key authentication can be configured in the configuration file in the apikey (for read/write) and ROapikey (for a read-only user) sections under the auth section in the configuration file. To use API key authentication, clients should send an Authorization header that is of format APIKey <apikey>.

Similarly, Hawk authentication is configured under the hawk and ROhawk sections in the configuration file. To use Hawk authentication clients need to include the hawk authentication header in the Authorization header when making a request.

Endpoints

GET /type/ip/10.0.0.1

Request the reputation for an object of a given type. Responds with 200 and a JSON document describing the reputation if found. Responds with a 404 if the object is unknown to iprepd, or is in the exceptions list.

The current supported object types are ip for an IP address and email for an email address.

The response body may include a decayafter element if the reputation for the address was changed with a recovery suppression applied. If the timestamp is present, it indicates the time after which the reputation for the address will begin to recover.

Response body
{
	"object": "10.0.0.1",
        "type": "ip",
	"reputation": 75,
	"reviewed": false,
	"lastupdated": "2018-04-23T18:25:43.511Z"
}

DELETE /type/ip/10.0.0.1

Deletes the reputation entry for the requested object of the specified type.

PUT /type/ip/10.0.0.1

Sets a reputation score for the specified object of the specified type. A reputation JSON document must be provided with the request body. The reputation field must be provided in the document. The reviewed field can be included and set to true to toggle the reviewed field for a given reputation entry.

Note that if the reputation decays back to 100, if the reviewed field is set on the entry it will toggle back to false.

The reputation will begin to decay back to 100 immediately for the address based on the decay settings in the configuration file. If it is desired that the reputation should not decay for a period of time, the decayafter field can be set with a timestamp to indicate when the reputation decay logic should begin to be applied for the entry.

Request body
{
	"object": "10.0.0.1",
        "type": "ip",
	"reputation": 75
}

PUT /violations/type/ip/10.0.0.1

Applies a violation penalty to the specified object of the specified type.

If an unknown violation penalty is submitted, this endpoint will still return 200, but the error will be logged.

If desired, suppress_recovery can be included in the request body and set to an integer which indicates the number of seconds that must elapse before the reputation for this entry will begin to decay back to 100. If this setting is not included, the reputation will begin to decay immediately. If the violation is being applied to an existing entry, the suppress_recovery field will only be applied if the existing entry has no current recovery suppression, or the specified recovery suppression time frame would result in a time in the future beyond which the entry currently has. If suppress_recovery is included it must be less than 1209600 (14 days).

Request body
{
	"object": "10.0.0.1",
        "type": "ip",
	"violation": "violation1"
}

PUT /violations/type/ip

Applies a violation penalty to a multiple objects of a given type.

If an unknown violation penalty is submitted, this endpoint will still return 200, but the error will be logged.

Request body
[
	{"object": "10.0.0.1", "type": "ip", "violation": "violation1"},
	{"object": "10.0.0.2", "type": "ip", "violation": "violation1"},
	{"object": "10.0.0.3", "type": "ip", "violation": "violation2"}
]

GET /violations

Returns violations configured in iprepd in a JSON document.

Response body
[
	{"name": "violation1", "penalty": 5, "decreaselimit": 50},
	{"name": "violation2", "penalty": 25, "decreaselimit": 0},
]

GET /dump

Returns all reputation entries.

Note: This makes use of the KEYS redis command, which is known to be very slow. Use with care.

Response body
[
  {"ip": "10.0.0.1", "reputation": 75, "reviewed": false, "lastupdated": "2018-04-23T18:25:43.511Z"},
  {"ip": "10.0.0.2", "reputation": 50, "reviewed": false, "lastupdated": "2018-04-23T18:31:27.457Z"},
  {"ip": "10.0.20.2", "reputation": 25, "reviewed": false, "lastupdated": "2018-04-23T17:22:42.230Z"},
]

GET /__heartbeat__

Service heartbeat endpoint.

GET /__lbheartbeat__

Service heartbeat endpoint.

GET /__version__

Return version data.

Acknowledgements

The API design and overall concept for this project are based on work done in Tigerblood.

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Centralized IP reputation daemon

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