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Supported Features

Updated on 2023-12-19 GMT+08:00

The following table lists the features that are supported by dedicated gateways.

NOTE:

If the gateway you use does not have specific features, contact technical support to upgrade your gateway.

Feature Name

Feature Description

Configurable

Feature Configuration Example

Configuration Parameter

Parameter Description

Default Value

Value Range

lts

Reporting of Shubao access logs

Yes

{"name":"lts","enable":true,"config": "{\"group_id\": ",\"topic_id\":\"\",\"log_group\":\"\",\"log_stream\":\"\"}"}

group_id

Log group ID.

-

-

topic_id

Log stream ID.

log_group

Name of a log group.

log_stream

Name of a log stream.

gateway_responses

Custom gateway responses

No

-

-

-

-

-

ratelimit

Request throttling limit configuration

Yes

{"name":"ratelimit","enable":true,"config": "{\"api_limits\": 500}"}

api_limits

Default request throttling value applied to all APIs. Set this parameter properly to meet service requirements. A small value may constantly throttle your services.

200 calls per second

1–1,000,000 calls per second

request_body_size

Configuration of the maximum request body size

Yes

{"name":"request_body_size","enable":true,"config": "104857600"}

request_body_size

Maximum size of the body allowed in an API request.

12 MB

1–9536 MB

backend_timeout

Maximum backend timeout configuration

Yes

{"name":"backend_timeout","enable":true,"config": "{"max_timeout": 500}"}

max_timeout

Maximum timeout for APIG to request a backend service.

60,000 ms

1-600,000 ms

app_token

app_token authentication

Yes

{"name":"app_token","enable":true,"config": "{\"enable\": \"on\", \"app_token_expire_time\": 3600, \"app_token_uri\": \"/v1/apigw/oauth2/token\", \"refresh_token_expire_time\": 7200}"}

enable

Whether to enable this feature.

Off

On/Off

app_token_expire_time

Validity period of the access token.

3600s

1–72,000s

refresh_token_expire_time

Validity period of the refresh token.

7200s

1–72,000s

app_token_uri

URI used for obtaining the token.

/v1/apigw/oauth2/token

-

app_token_key

Token encryption key.

-

-

app_api_key

app_api_key authentication

Yes

{"name":"app_api_key","enable":true,"config": "on"}

-

-

Off

On/Off

app_basic

app_basic authentication

Yes

{"name":"app_basic","enable":true,"config": "on"}

-

-

Off

On/Off

app_secret

app_secret authentication

Yes

{"name":"app_secret","enable":true,"config": "on"}

-

-

Off

On/Off

app_jwt

app_jwt authentication

Yes

{"name":"app_jwt","enable":true,"config": "{\"enable\": \"on\", \"auth_header\": \"Authorization\"}"}

enable

Whether to enable app_jwt authentication.

Off

On/Off

auth_header

app_jwt authentication header.

Authorization

-

public_key

Public_key backend signatures

Yes

{"name":"public_key","enable":true,"config": "{\"enable\": \"on\", \"public_key_uri_prefix\": \"/apigw/authadv/v2/public-key/\"}"}

enable

Whether to enable public_key authentication.

Off

On/Off

public_key_uri_prefix

URI prefix used for obtaining the public key.

/apigw/authadv/v2/public-key/

-

backend_token_allow

Allowing tenants to transparently transmit tokens to the backend

Yes

{"name":"backend_token_allow","enable":true,"config": "{\"backend_token_allow_users\": [\"user_name\"]}"}

backend_token_allow_users

Regular expression for transparently transmitting the token to the common tenant whitelist of the tenant to match the domain name of the common tenant.

-

-

sign_basic

Basic signature keys

No

-

-

-

-

-

multi_auth

Two-factor authentication

No

-

-

-

-

-

backend_client_certificate

Backend two-way authentication

Yes

{"name":"backend_client_certificate","enable":true,"config": "{\"enable\": \"on\",\"ca\": \"\",\"content\": \"\",\"key\": \"\"}"}

enable

Whether to enable this feature.

Off

On/Off

ca

CA file of two-way authentication.

-

-

content

Two-way authentication file.

-

-

key

Private key of two-way authentication.

-

-

ssl_ciphers

HTTPS cipher suites

Yes

{"name":"ssl_ciphers","enable":true,"config": "config": "{\"ssl_ciphers\": [\"ECDHE-ECDSA-AES256-GCM-SHA384\"]}"}

ssl_ciphers

Encryption and decryption suites supported. The ssl_ciphers parameter cannot be left blank and can contain only the options in the default value.

-

ECDHE-ECDSA-AES256-GCM-SHA384,ECDHE-RSA-AES256-GCM-SHA384,ECDHE-ECDSA-AES128-GCM-SHA256,ECDHE-RSA-AES128-GCM-SHA256,ECDHE-ECDSA-AES256-SHA384,ECDHE-RSA-AES256-SHA384,ECDHE-ECDSA-AES128-SHA256,ECDHE-RSA-AES128-SHA256

route

Custom routes

No

-

-

-

-

-

cors

Plug-ins

No

-

-

-

-

-

real_ip_from_xff

X-Forwarded-For header for identifying IP addresses during access control and request throttling

Yes

{"name": "real_ip_from_xff","enable": true,"config": {"enable": "on","xff_index": -1}}

enable

Whether to enable this feature.

Off

On/Off

xff_index

Sequence number of an IP address in the X-Forwarded-For header. The value of this parameter can be 0 or a positive or negative number. If the value is 0 or a positive number, the IP address of the corresponding index is obtained from the X-Forwarded-For header. If the value is a negative number, the IP address in reverse index order is obtained from the X-Forwarded-For header. For example, assume that the X-Forwarded-For header of a request received by API gateway contains three IP addresses: IP1, IP2, and IP3. If the value of xff_index is 0, IP1 is obtained. If the value of xff_index is 1, IP2 is obtained. If the value of xff_index is –1, IP3 is obtained.

-1

Valid Int32 value

app_route

IP address access

Yes

{"name":"app_route","enable":true,"config": "on"}

-

-

Off

On/Off

vpc_name_modifiable

Load balance channel name modification

Yes

{"name":"vpc_name_modifiable","enable":true,"config": "on"}

-

-

on

On/Off

default_group_host_trustlist

Access to the DEFAULT group from IP addresses that are not inbound access addresses of the current gateway

Yes

{"name":"default_group_host_trustlist","enable": true,"config": "{\"enable\":\"on\",\"hosts\":[\"123.2.2.2\",\"202.2.2.2\"]}"}

enable

Whether to enable this feature.

-

On/Off

hosts

IP addresses that are not inbound access addresses of the current gateway.

-

-

throttle_strategy

Whether to enable request throttling.

Yes

{"name":"throttle_strategy","enable":true,"config": "{\"enable\": \"on\",\"strategy\": \"local\"}"}

enable

Whether to enable this feature.

Off

On/Off

strategy

Request throttling mode.

-

cluster/local

custom_log

Printing custom request headers, query strings, and cookies in logs

Yes

{"name":"custom_log","enable":true,"config": "{\"custom_logs\":[{\"location\":\"header\",\"name\":\"a1234\"}]}"}

custom_logs

Custom logs.

-

Max. 10 items.

location

Location.

header/query/cookie

name

Name.

-

real_ip_header_getter

Using a custom header to obtain source IP addresses

Yes

{"name":"real_ip_header_getter","enable":true,"config": "{\"enable\": \"on\",\"header_getter\": \"header:testIP\"}"}

enable

Whether to enable this feature.

Off

On/Off

header_getter

Custom header for obtaining source IP addresses.

-

-

policy_cookie_param

Using cookies in backend policy conditions

Yes

{"name":"policy_cookie_param","enable":true,"config": "on"}

-

-

Off

On/Off

app_quota

Client quotas

No

-

-

-

-

-

app_acl

Request throttling policies

No

-

-

-

-

-

set_resp_headers

Response header management plug-ins

No

-

-

-

-

-

vpc_backup

Primary/Standby VPC channels

No

-

-

-

-

-

sign_aes

AES signature keys

No

-

-

-

-

-

kafka_log

Adding, deleting, modifying, and querying Kafka log push plug-ins

No

-

-

-

-

-

backend_retry_count

Backend retry configuration

No

-

-

-

-

-

policy_sys_param

Using system parameters in backend policy conditions

No

-

-

-

-

-

breaker

Circuit breakers

No

-

-

-

-

-

content_type_configurable

Returning request parameter type (Content-Type) when querying APIs

No

-

-

-

-

-

rate_limit_plugin

Request throttling plug-ins

No

-

-

-

-

-

breakerv2

Circuit breakers for degrading services in case of overload

No

-

-

-

-

-

sm_cipher_type

Encrypting local sensitive data with commercial cryptographic algorithms

No

-

-

-

-

-

rate_limit_algorithm

Request throttling algorithm switchover

No

-

-

-

-

-

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