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目前刚开始写一个月，一共写了18篇原创文章，文章目录如下：

istio多集群探秘，部署了50次多集群后我得出的结论

istio多集群链路追踪，附实操视频

istio防故障利器，你知道几个,istio新手不要读，太难！

istio业务权限控制，原来可以这么玩

istio实现非侵入压缩，微服务之间如何实现压缩

不懂envoyfilter也敢说精通istio系列-http-rbac-不要只会用AuthorizationPolicy配置权限

不懂envoyfilter也敢说精通istio系列-02-http-corsFilter-不要只会vs

不懂envoyfilter也敢说精通istio系列-03-http-csrf filter-再也不用再代码里写csrf逻辑了

不懂envoyfilter也敢说精通istio系列http-jwt_authn-不要只会RequestAuthorization

不懂envoyfilter也敢说精通istio系列-05-fault-filter-故障注入不止是vs

不懂envoyfilter也敢说精通istio系列-06-http-match-配置路由不只是vs

不懂envoyfilter也敢说精通istio系列-07-负载均衡配置不止是dr

不懂envoyfilter也敢说精通istio系列-08-连接池和断路器

不懂envoyfilter也敢说精通istio系列-09-http-route filter

不懂envoyfilter也敢说精通istio系列-network filter-redis proxy

不懂envoyfilter也敢说精通istio系列-network filter-HttpConnectionManager

不懂envoyfilter也敢说精通istio系列-ratelimit-istio ratelimit完全手册

学习目标

什么是AuthorizationPolicy

授权功能是 Istio 中安全体系的一个重要组成部分，它用来实现访问控制的功能，即判断一个请求是否允许通过，这个请求可以是从外部进入 Istio 内部的请求，也可以是在 Istio 内部从服务 A 到服务 B 的请求。可以把授权功能近似地认为是一种四层到七层的“防火墙”，它会像传统防火墙一样，对数据流进行分析和匹配，然后执行相应的动作。

流程

Authorization policies support ALLOW, DENY and CUSTOM actions. The policy precedence is CUSTOM, DENY and ALLOW. The following graph shows the policy precedence in detail:

资源详解

Field Type Description Required
selector WorkloadSelector Optional. Workload selector decides where to apply the authorization policy. If not set, the authorization policy will be applied to all workloads in the same namespace as the authorization policy. No
rules Rule[] Optional. A list of rules to match the request. A match occurs when at least one rule matches the request.If not set, the match will never occur. This is equivalent to setting a default of deny for the target workloads. No
action Action Optional. The action to take if the request is matched with the rules. No
provider ExtensionProvider (oneof) Specifies detailed configuration of the CUSTOM action. Must be used only with CUSTOM action. No

允许nothing

allow-nothing.yaml

apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:name: allow-nothing
spec:# This matches nothing, the action defaults to ALLOW if not specified.{}

The following example shows an ALLOW policy that matches nothing. If there are no other ALLOW policies, requests will always be denied because of the “deny by default” behavior.

默认拒绝，有通过则通过

全局拒绝所有

kubectl apply -f global-deny-all.yaml -n istio-system

global-deny-all.yaml

apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:name: deny-allnamespace: istio-system
spec:action: DENY# This matches everything.rules:- {}

名称空间拒绝所有

deny-all.yaml

apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:name: deny-all
spec:action: DENY# This matches everything.rules:- {}

名称空间级别

名称空间允许所有

allow-all.yaml

apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:name: allow-all
spec:action: ALLOWrules:- {}

名称空间级别

selector

productpage-allow-all.yaml

apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:name: productpage-allow-all
spec:selector:matchLabels:app: productpageversion: v1action: ALLOWrules:- to:- operation:methods: ["GET", "POST"]

action

Name Description
ALLOW Allow a request only if it matches the rules. This is the default type.
DENY Deny a request if it matches any of the rules.
AUDIT Audit a request if it matches any of the rules.
CUSTOM The CUSTOM action allows an extension to handle the user request if the matching rules evaluate to true. The extension is evaluated independently and before the native ALLOW and DENY actions. When used together, A request is allowed if and only if all the actions return allow, in other words, the extension cannot bypass the authorization decision made by ALLOW and DENY action. Extension behavior is defined by the named providers declared in MeshConfig. The authorization policy refers to the extension by specifying the name of the provider. One example use case of the extension is to integrate with a custom external authorization system to delegate the authorization decision to it.Note: The CUSTOM action is currently an experimental feature and is subject to breaking changes in later versions.

ALLOW

productpage-allow-all.yaml

apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:name: productpage-allow-all
spec:selector:matchLabels:app: productpageversion: v1action: ALLOWrules:- to:- operation:methods: ["GET", "POST"]

DENY

1删除deny all

kubectl delete -f deny-all.yaml -n istio

2禁止访问produtpage

productpage-deny-allyaml

apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:name: productpage-allow-all
spec:selector:matchLabels:app: productpageversion: v1action: DENYrules:- {}

AUDIT

productpage-audit-all.yaml

apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:name: productpage-allow-all
spec:selector:matchLabels:app: productpageversion: v1action: AUDITrules:- {}

the only supported plugin is the Stackdriver plugin

需要安装audit插件

CUSTOM

The CUSTOM action is currently an experimental feature and is subject to breaking changes in later versions.

1创建opa策略

opa介绍

OPA-重新定义规则引擎-入门篇 | 菜鸟Miao

验证opa

The Rego Playground

policy.rego

package envoy.authz
​
import input.attributes.request.http as http_request
​
default allow = false
​
token = {"payload": payload} {[_, encoded] := split(http_request.headers.authorization, " ")[_, payload, _] := io.jwt.decode(encoded)
}
​
allow {action_allowed
}
​
​
bar := "bar"
​
action_allowed {bar ==token.payload.foo
}
​

2创建secret

kubectl create secret generic opa-policy --from-file policy.rego -n istio

3创建opa

opa-deployment.yaml

apiVersion: v1
kind: Service
metadata:name: opalabels:app: opa
spec:ports:- name: grpcport: 9191targetPort: 9191selector:app: opa
---
kind: Deployment
apiVersion: apps/v1
metadata:name: opalabels:app: opa
spec:replicas: 1selector:matchLabels:app: opatemplate:metadata:labels:app: opaspec:containers:- name: opaimage: openpolicyagent/opa:latest-envoysecurityContext:runAsUser: 1111volumeMounts:- readOnly: truemountPath: /policyname: opa-policyargs:- "run"- "--server"- "--addr=localhost:8181"- "--diagnostic-addr=0.0.0.0:8282"- "--set=plugins.envoy_ext_authz_grpc.addr=:9191"- "--set=plugins.envoy_ext_authz_grpc.query=data.envoy.authz.allow"- "--set=decision_logs.console=true"- "--ignore=.*"- "/policy/policy.rego"ports:- containerPort: 9191livenessProbe:httpGet:path: /health?pluginsscheme: HTTPport: 8282initialDelaySeconds: 5periodSeconds: 5readinessProbe:httpGet:path: /health?pluginsscheme: HTTPport: 8282initialDelaySeconds: 5periodSeconds: 5volumes:- name: opa-policysecret:secretName: opa-policy

4编辑meshconfig

kubectl edit configmap istio -n istio-system

  mesh: |-# Add the following contents:extensionProviders:- name: "opa.istio"envoyExtAuthzGrpc:service: "opa.istio.svc.cluster.local"port: "9191"

5闯将ap

ext-authz.yaml

apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:name: ext-authznamespace: istio-system
spec:selector:matchLabels:app: istio-ingressgatewayaction: CUSTOMprovider:name: "opa.istio"rules:- to:- operation:paths: ["/productpage"]

6测试

TOKEN=eyJhbGciOiJSUzI1NiIsImtpZCI6IkRIRmJwb0lVcXJZOHQyenBBMnFYZkNtcjVWTzVaRXI0UnpIVV8tZW52dlEiLCJ0eXAiOiJKV1QifQ.eyJleHAiOjQ2ODU5ODk3MDAsImZvbyI6ImJhciIsImlhdCI6MTUzMjM4OTcwMCwiaXNzIjoidGVzdGluZ0BzZWN1cmUuaXN0aW8uaW8iLCJzdWIiOiJ0ZXN0aW5nQHNlY3VyZS5pc3Rpby5pbyJ9.CfNnxWP2tcnR9q0vxyxweaF3ovQYHYZl82hAUsn21bwQd9zP7c-LS9qd_vpdLG4Tn1A15NxfCjp5f7QNBUo-KC9PJqYpgGbaXhaGx7bEdFWjcwv3nZzvc7M__ZpaCERdwU7igUmJqYGBYQ51vr2njU9ZimyKkfDe3axcyiBZde7G6dabliUosJvvKOPcKIWPccCgefSj_GNfwIip3-SsFdlR7BtbVUcqR-yv-XOxJ3Uc1MI0tz3uMiiZcyPV7sNCU4KRnemRIMHVOfuvHsU60_GhGbiSFzgPTAa9WTltbnarTbxudb_YEOx12JiwYToeX0DCPb43W1tzIBxgm8NxUg

curl 192.168.198.154:30986/productpage -H "Authorization: Bearer ${TOKEN}"

TOKEN=eyJhbGciOiJSUzI1NiIsImtpZCI6IkRIRmJwb0lVcXJZOHQyenBBMnFYZkNtcjVWTzVaRXI0UnpIVV8tZW52dlEiLCJ0eXAiOiJKV1QifQ.eyJleHAiOjM1MzczOTExMDQsImdyb3VwcyI6WyJncm91cDEiLCJncm91cDIiXSwiaWF0IjoxNTM3MzkxMTA0LCJpc3MiOiJ0ZXN0aW5nQHNlY3VyZS5pc3Rpby5pbyIsInNjb3BlIjpbInNjb3BlMSIsInNjb3BlMiJdLCJzdWIiOiJ0ZXN0aW5nQHNlY3VyZS5pc3Rpby5pbyJ9.EdJnEZSH6X8hcyEii7c8H5lnhgjB5dwo07M5oheC8Xz8mOllyg--AHCFWHybM48reunF--oGaG6IXVngCEpVF0_P5DwsUoBgpPmK1JOaKN6_pe9sh0ZwTtdgK_RP01PuI7kUdbOTlkuUi2AO-qUyOm7Art2POzo36DLQlUXv8Ad7NBOqfQaKjE9ndaPWT7aexUsBHxmgiGbz1SyLH879f7uHYPbPKlpHU6P9S-DaKnGLaEchnoKnov7ajhrEhGXAQRukhDPKUHO9L30oPIr5IJllEQfHYtt6IZvlNUGeLUcif3wpry1R5tBXRicx2sXMQ7LyuDremDbcNy_iE76Upg

curl 192.168.198.154:30986/productpage -H "Authorization: Bearer ${TOKEN}"

参考GitHub - istio-ecosystem/authservice: Move OIDC token acquisition out of your app code and into the Istio mesh

第三方授权服务

rules

Field Type Description Required
from From[] Optional. from specifies the source of a request.If not set, any source is allowed. No
to To[] Optional. to specifies the operation of a request.If not set, any operation is allowed. No
when Condition[] Optional. when specifies a list of additional conditions of a request.If not set, any condition is allowed. No

from

Field Type Description Required
source Source Source specifies the source of a request. No
Field Type Description Required
principals string[] Optional. A list of source peer identities (i.e. service account), which matches to the “source.principal” attribute. This field requires mTLS enabled.If not set, any principal is allowed. No
notPrincipals string[] Optional. A list of negative match of source peer identities. No
requestPrincipals string[] Optional. A list of request identities (i.e. “iss/sub” claims), which matches to the “request.auth.principal” attribute.If not set, any request principal is allowed. No
notRequestPrincipals string[] Optional. A list of negative match of request identities. No
namespaces string[] Optional. A list of namespaces, which matches to the “source.namespace” attribute. This field requires mTLS enabled.If not set, any namespace is allowed. No
notNamespaces string[] Optional. A list of negative match of namespaces. No
ipBlocks string[] Optional. A list of IP blocks, which matches to the “source.ip” attribute. Populated from the source address of the IP packet. Single IP (e.g. “1.2.3.4”) and CIDR (e.g. “1.2.3.0/24”) are supported.If not set, any IP is allowed. No
notIpBlocks string[] Optional. A list of negative match of IP blocks. No
remoteIpBlocks string[] Optional. A list of IP blocks, which matches to the “remote.ip” attribute. Populated from X-Forwarded-For header or proxy protocol. To make use of this field, you must configure the numTrustedProxies field of the gatewayTopology under the meshConfig when you install Istio or using an annotation on the ingress gateway. See the documentation here: Configuring Gateway Network Topology. Single IP (e.g. “1.2.3.4”) and CIDR (e.g. “1.2.3.0/24”) are supported.If not set, any IP is allowed. No
notRemoteIpBlocks string[] Optional. A list of negative match of remote IP blocks. No

principals

productpage-rules-from-principals.yaml

apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:name: productpage
spec:selector:matchLabels:app: productpageversion: v1action: ALLOWrules:- from:- source:principals: ["cluster.local/ns/istio-system/sa/istio-ingressgateway-service-account"]

notPrincipals

productpage-rules-from-notPrincipals.yaml

apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:name: productpage
spec:selector:matchLabels:app: productpageversion: v1action: ALLOWrules:- from:- source:notPrincipals: ["cluster.local/ns/istio-system/sa/test"]

requestPrincipals

The principal of the authenticated JWT token, constructed from the JWT claims in the format of /, requires request authentication policy applied

jwt相关

productpage-rules-from-requestPrincipals-star.yaml

apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:name: productpage
spec:selector:matchLabels:app: productpageaction: ALLOWrules:- to:- operation:notPaths: ["/healthz"]from:- source:requestPrincipals: ["*"]

1启用jwt

requestauthentications/ra-example-productpage.yaml

apiVersion: "security.istio.io/v1beta1"
kind: "RequestAuthentication"
metadata:name: "jwt-example"
spec:selector:matchLabels:app: productpagejwtRules:- issuer: "testing@secure.istio.io"jwks: |{ "keys":[{"e":"AQAB","kid":"DHFbpoIUqrY8t2zpA2qXfCmr5VO5ZEr4RzHU_-envvQ","kty":"RSA","n":"xAE7eB6qugXyCAG3yhh7pkDkT65pHymX-P7KfIupjf59vsdo91bSP9C8H07pSAGQO1MV_xFj9VswgsCg4R6otmg5PV2He95lZdHtOcU5DXIg_pbhLdKXbi66GlVeK6ABZOUW3WYtnNHD-91gVuoeJT_DwtGGcp4ignkgXfkiEm4sw-4sfb4qdt5oLbyVpmW6x9cfa7vs2WTfURiCrBoUqgBo_-4WTiULmmHSGZHOjzwa8WtrtOQGsAFjIbno85jp6MnGGGZPYZbDAa_b3y5u-YpW7ypZrvD8BgtKVjgtQgZhLAGezMt0ua3DRrWnKqTZ0BJ_EyxOGuHJrLsn00fnMQ"}]}forwardOriginalToken: true

2使用authorizationPolicy

productpage-rules-from-requestPrincipals.yaml

apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:name: productpage
spec:selector:matchLabels:app: productpageaction: ALLOWrules:- to:- operation:paths: ["/productpage"]from:- source:requestPrincipals:- "testing@secure.istio.io/testing@secure.istio.io"

3访问

TOKEN=eyJhbGciOiJSUzI1NiIsImtpZCI6IkRIRmJwb0lVcXJZOHQyenBBMnFYZkNtcjVWTzVaRXI0UnpIVV8tZW52dlEiLCJ0eXAiOiJKV1QifQ.eyJleHAiOjQ2ODU5ODk3MDAsImZvbyI6ImJhciIsImlhdCI6MTUzMjM4OTcwMCwiaXNzIjoidGVzdGluZ0BzZWN1cmUuaXN0aW8uaW8iLCJzdWIiOiJ0ZXN0aW5nQHNlY3VyZS5pc3Rpby5pbyJ9.CfNnxWP2tcnR9q0vxyxweaF3ovQYHYZl82hAUsn21bwQd9zP7c-LS9qd_vpdLG4Tn1A15NxfCjp5f7QNBUo-KC9PJqYpgGbaXhaGx7bEdFWjcwv3nZzvc7M__ZpaCERdwU7igUmJqYGBYQ51vr2njU9ZimyKkfDe3axcyiBZde7G6dabliUosJvvKOPcKIWPccCgefSj_GNfwIip3-SsFdlR7BtbVUcqR-yv-XOxJ3Uc1MI0tz3uMiiZcyPV7sNCU4KRnemRIMHVOfuvHsU60_GhGbiSFzgPTAa9WTltbnarTbxudb_YEOx12JiwYToeX0DCPb43W1tzIBxgm8NxUg

curl 192.168.198.154:30986/productpage -H "Authorization: Bearer ${TOKEN}"

TOKEN=eyJhbGciOiJSUzI1NiIsImtpZCI6IkRIRmJwb0lVcXJZOHQyenBBMnFYZkNtcjVWTzVaRXI0UnpIVV8tZW52dlEiLCJ0eXAiOiJKV1QifQ.eyJleHAiOjM1MzczOTExMDQsImdyb3VwcyI6WyJncm91cDEiLCJncm91cDIiXSwiaWF0IjoxNTM3MzkxMTA0LCJpc3MiOiJ0ZXN0aW5nQHNlY3VyZS5pc3Rpby5pbyIsInNjb3BlIjpbInNjb3BlMSIsInNjb3BlMiJdLCJzdWIiOiJ0ZXN0aW5nQHNlY3VyZS5pc3Rpby5pbyJ9.EdJnEZSH6X8hcyEii7c8H5lnhgjB5dwo07M5oheC8Xz8mOllyg--AHCFWHybM48reunF--oGaG6IXVngCEpVF0_P5DwsUoBgpPmK1JOaKN6_pe9sh0ZwTtdgK_RP01PuI7kUdbOTlkuUi2AO-qUyOm7Art2POzo36DLQlUXv8Ad7NBOqfQaKjE9ndaPWT7aexUsBHxmgiGbz1SyLH879f7uHYPbPKlpHU6P9S-DaKnGLaEchnoKnov7ajhrEhGXAQRukhDPKUHO9L30oPIr5IJllEQfHYtt6IZvlNUGeLUcif3wpry1R5tBXRicx2sXMQ7LyuDremDbcNy_iE76Upg

curl 192.168.198.154:30986/productpage -H "Authorization: Bearer ${TOKEN}"

验证token：

JSON Web Tokens - jwt.io

productpage-rules-from-requestPrincipals-semi-star.yaml

apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:name: productpage
spec:selector:matchLabels:app: productpageaction: ALLOWrules:- to:- operation:paths: ["/productpage"]from:- source:requestPrincipals:- "testing@secure.istio.io/*"

notRequestPrincipals

jwt相关

productpage-rules-from-notRequestPrincipals.yaml

apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:name: productpage
spec:selector:matchLabels:app: productpageaction: ALLOWrules:- to:- operation:paths: ["/productpage"]from:- source:notRequestPrincipals:- "testing@secure.istio.io/testing@secure.istio.io"

namespaces

productpage-rules-from-namespaces.yaml

apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:name: productpage
spec:selector:matchLabels:app: productpageversion: v1action: ALLOWrules:- from:- source:namespaces:- "istio-system"

notNamespaces

productpage-rules-from-notNamespaces.yaml

apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:name: productpage
spec:selector:matchLabels:app: productpageversion: v1action: ALLOWrules:- from:- source:notNamespaces:- "test"

ipBlocks

ingressgateway-rules-from-ipBlocks.yaml

kubectl apply -f ingressgateway-rules-from-ipBlocks.yaml -n istio-system

apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:name: ingressgateway
spec:selector:matchLabels:app: istio-ingressgatewayaction: ALLOWrules:- from:- source:ipBlocks:- "172.20.0.0/16"

设置xff，原地址保持

notIpBlocks

ingressgateway-rules-from-notIpBlocks.yaml

apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:name: ingressgateway
spec:selector:matchLabels:app: istio-ingressgatewayaction: ALLOWrules:- from:- source:notIpBlocks:- "172.20.0.0/16"

remoteIpBlocks

修改svc

kubectl edit svc istio-ingressgateway -n istio-system

externalTrafficPolicy: Local

用于设置白名单

ingressgateway-rules-from-remoteIpBlocks.yaml

apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:name: ingressgateway
spec:selector:matchLabels:app: istio-ingressgatewayaction: DENYrules:- from:- source:remoteIpBlocks:- 192.168.198.1/32

notRemoteIpBlocks

修改svc

kubectl edit svc istio-ingressgateway -n istio-system

externalTrafficPolicy: Local

用于设置黑名单

ingressgateway-rules-from-notRemoteIpBlocks.yaml

apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:name: ingressgateway
spec:selector:matchLabels:app: istio-ingressgatewayaction: ALLOWrules:- from:- source:notRemoteIpBlocks:- "192.168.198.1/32

to

Field Type Description Required
operation Operation Operation specifies the operation of a request. No
Field Type Description Required
hosts string[] Optional. A list of hosts, which matches to the “request.host” attribute.If not set, any host is allowed. Must be used only with HTTP. No
notHosts string[] Optional. A list of negative match of hosts. No
ports string[] Optional. A list of ports, which matches to the “destination.port” attribute.If not set, any port is allowed. No
notPorts string[] Optional. A list of negative match of ports. No
methods string[] Optional. A list of methods, which matches to the “request.method” attribute. For gRPC service, this will always be “POST”.If not set, any method is allowed. Must be used only with HTTP. No
notMethods string[] Optional. A list of negative match of methods. No
paths string[] Optional. A list of paths, which matches to the “request.url_path” attribute. For gRPC service, this will be the fully-qualified name in the form of “/package.service/method”.If not set, any path is allowed. Must be used only with HTTP. No
notPaths string[] Optional. A list of negative match of paths. No

hosts

productpage-rules-to-hosts.yaml

apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:name: productpage
spec:selector:matchLabels:app: productpageversion: v1action: ALLOWrules:- to:- operation:hosts:- "bookinfo.demo:30986"from:- source:namespaces:- "istio-system"

details-rules-to-hosts.yaml

apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:name: details
spec:selector:matchLabels:app: detailsversion: v1action: ALLOWrules:- to:- operation:hosts:- "details:9080"

其实是authority，必须加上端口

notHosts

productpage-rules-to-notHosts.yaml

apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:name: productpage
spec:selector:matchLabels:app: productpageversion: v1action: ALLOWrules:- to:- operation:notHosts:- "test"from:- source:namespaces:- "istio-system"

ports

details-rules-to-ports.yaml

apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:name: details
spec:selector:matchLabels:app: detailsversion: v1action: ALLOWrules:- to:- operation:ports:- "9080"

notPorts

details-rules-to-notPorts.yaml

apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:name: details
spec:selector:matchLabels:app: detailsversion: v1action: ALLOWrules:- to:- operation:notPorts:- "9080"

methods

details-rules-to-methods.yaml

apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:name: details
spec:selector:matchLabels:app: detailsversion: v1action: ALLOWrules:- to:- operation:methods:- "GET"

notMethods

details-rules-to-notMethods.yaml

apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:name: details
spec:selector:matchLabels:app: detailsversion: v1action: ALLOWrules:- to:- operation:notMethods:- "GET"

paths

details-rules-to-paths.yaml

apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:name: details
spec:selector:matchLabels:app: detailsversion: v1action: ALLOWrules:- to:- operation:paths:- "/details/0"

统配符

details-rules-to-paths-star.yaml

apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:name: details
spec:selector:matchLabels:app: detailsversion: v1action: ALLOWrules:- to:- operation:paths:- "/details/*"

notPaths

details-rules-to-notPaths.yaml

apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:name: details
spec:selector:matchLabels:app: detailsversion: v1action: ALLOWrules:- to:- operation:notPaths:- "/details/0"

通配符

details-rules-to-notPaths-star.yaml

apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:name: details
spec:selector:matchLabels:app: detailsversion: v1action: ALLOWrules:- to:- operation:notPaths:- "/details/*"

when

Field Type Description Required
key string The name of an Istio attribute. See the full list of supported attributes. Yes
values string[] Optional. A list of allowed values for the attribute. Note: at least one of values or not_values must be set. No
notValues string[] Optional. A list of negative match of values for the attribute. Note: at least one of values or not_values must be set. No

https://istio.io/latest/docs/reference/config/security/conditions/

Name Description Supported Protocols Example
request.headers HTTP request headers. The header name is surrounded by [] without any quotes HTTP only key: request.headers[User-Agent] values: ["Mozilla/*"]
source.ip Source workload instance IP address, supports single IP or CIDR HTTP and TCP key: source.ip values: ["10.1.2.3", "10.2.0.0/16"]
remote.ip Original client IP address as determined by X-Forwarded-For header or Proxy Protocol, supports single IP or CIDR HTTP and TCP key: remote.ip values: ["10.1.2.3", "10.2.0.0/16"]
source.namespace Source workload instance namespace, requires mutual TLS enabled HTTP and TCP key: source.namespace values: ["default"]
source.principal The identity of the source workload, requires mutual TLS enabled HTTP and TCP key: source.principal values: ["cluster.local/ns/default/sa/productpage"]
request.auth.principal The principal of the authenticated JWT token, constructed from the JWT claims in the format of /, requires request authentication policy applied HTTP only key: request.auth.principal values: ["issuer.example.com/subject-admin"]
request.auth.audiences The intended audiences of the authenticated JWT token, constructed from the JWT claim `, requires request authentication policy applied | HTTP only |key: request.auth.audiencesvalues: ["example.com"]`
request.auth.presenter The authorized presenter of the authenticated JWT token, constructed from the JWT claim `, requires request authentication policy applied | HTTP only |key: request.auth.presentervalues: ["123456789012.example.com"]`
request.auth.claims Raw claims of the authenticated JWT token. The claim name is surrounded by [] without any quotes, nested claim can also be used, requires request authentication policy applied. Note only support claim of type string or list of string HTTP only key: request.auth.claims[iss] values: ["*@foo.com"] — key: request.auth.claims[nested1][nested2] values: ["some-value"]
destination.ip Destination workload instance IP address, supports single IP or CIDR HTTP and TCP key: destination.ip values: ["10.1.2.3", "10.2.0.0/16"]
destination.port Destination workload instance port, must be in the range [0, 65535]. Note this is not the service port HTTP and TCP key: destination.port values: ["80", "443"]
connection.sni The server name indication, requires TLS enabled HTTP and TCP key: connection.sni values: ["www.example.com"]
experimental.envoy.filters.* Experimental metadata matching for filters, values wrapped in [] are matched as a list HTTP and TCP key: experimental.envoy.filters.network.mysql_proxy[db.table] values: ["[update]"]
field sub field JWT claims
from.source requestPrincipals iss/sub
from.source notRequestPrincipals iss/sub
when.key request.auth.principal iss/sub
when.key request.auth.audiences aud
when.key request.auth.presenter azp
when.key request.auth.claims[key] JWT 全部属性

request.headers

values

productpage-rules-when-request-headers-values.yaml

apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:name: productpage
spec:selector:matchLabels:app: productpageversion: v1action: ALLOWrules:- when:- key: request.headers[test]values:- "test"

curl 192.168.198.154:30986/productpage --header "test:test"

notValues

productpage-rules-when-request-headers-notValues.yaml

apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:name: productpage
spec:selector:matchLabels:app: productpageversion: v1action: ALLOWrules:- when:- key: request.headers[test]notValues:- "test"

curl 192.168.198.154:30986/productpage --header "test:test"

curl 192.168.198.154:30986/productpage --header "test:test2"

source.ip

values

productpage-when-source-ip-values.yaml

apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:name: productpage
spec:selector:matchLabels:app: productpageaction: ALLOWrules:- when:- key: source.ipvalues:- "172.20.0.0/16"

notValues

productpage-when-source-ip-notValues.yaml

apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:name: productpage
spec:selector:matchLabels:app: productpageaction: ALLOWrules:- when:- key: source.ipnotValues:- "172.20.0.0/16"

remote.ip

修改svc

kubectl edit svc istio-ingressgateway -n istio-system

externalTrafficPolicy: Local

黑白名单

values

productpage-when-remote-ip-values.yaml

apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:name: productpage
spec:selector:matchLabels:app: productpageaction: DENYrules:- when:- key: remote.ipvalues:- "192.168.198.1/32"

notValues

productpage-when-remote-ip-notValues.yaml

apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:name: productpage
spec:selector:matchLabels:app: productpageaction: ALLOWrules:- when:- key: remote.ipnotValues:- "192.168.198.1/32"

source.namespace

values

productpage-when-source-namespace-values.yaml

apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:name: productpage
spec:selector:matchLabels:app: productpageaction: ALLOWrules:- when:- key: source.namespacevalues:- "istio-system"

notValues

productpage-when-source-namespace-notValues.yaml

apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:name: productpage
spec:selector:matchLabels:app: productpageaction: ALLOWrules:- when:- key: source.namespacenotValues:- "istio-system"

source.principal

values

productpage-when-source-principal-values.yaml

apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:name: productpage
spec:selector:matchLabels:app: productpageversion: v1action: ALLOWrules:- when:- key: source.principalvalues: - "cluster.local/ns/istio-system/sa/istio-ingressgateway-service-account"

notValues

productpage-when-source-principal-notValues.yaml

apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:name: productpage
spec:selector:matchLabels:app: productpageversion: v1action: ALLOWrules:- when:- key: source.principalnotValues: - "cluster.local/ns/istio-system/sa/istio-ingressgateway-service-account"

request.auth.principal

jwt相关

values

productpage-when-request-auth-principal-values.yaml

apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:name: productpage
spec:selector:matchLabels:app: productpageversion: v1action: ALLOWrules:- when:- key: request.auth.principalvalues: - "testing@secure.istio.io/testing@secure.istio.io"

TOKEN=eyJhbGciOiJSUzI1NiIsImtpZCI6IkRIRmJwb0lVcXJZOHQyenBBMnFYZkNtcjVWTzVaRXI0UnpIVV8tZW52dlEiLCJ0eXAiOiJKV1QifQ.eyJleHAiOjM1MzczOTExMDQsImdyb3VwcyI6WyJncm91cDEiLCJncm91cDIiXSwiaWF0IjoxNTM3MzkxMTA0LCJpc3MiOiJ0ZXN0aW5nQHNlY3VyZS5pc3Rpby5pbyIsInNjb3BlIjpbInNjb3BlMSIsInNjb3BlMiJdLCJzdWIiOiJ0ZXN0aW5nQHNlY3VyZS5pc3Rpby5pbyJ9.EdJnEZSH6X8hcyEii7c8H5lnhgjB5dwo07M5oheC8Xz8mOllyg--AHCFWHybM48reunF--oGaG6IXVngCEpVF0_P5DwsUoBgpPmK1JOaKN6_pe9sh0ZwTtdgK_RP01PuI7kUdbOTlkuUi2AO-qUyOm7Art2POzo36DLQlUXv8Ad7NBOqfQaKjE9ndaPWT7aexUsBHxmgiGbz1SyLH879f7uHYPbPKlpHU6P9S-DaKnGLaEchnoKnov7ajhrEhGXAQRukhDPKUHO9L30oPIr5IJllEQfHYtt6IZvlNUGeLUcif3wpry1R5tBXRicx2sXMQ7LyuDremDbcNy_iE76Upg

curl 192.168.198.154:30986/productpage -H "Authorization: Bearer ${TOKEN}"

notValues

productpage-when-request-auth-principal-notValues.yaml

apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:name: productpage
spec:selector:matchLabels:app: productpageversion: v1action: ALLOWrules:- when:- key: request.auth.principalnotValues: - "testing@secure.istio.io/testing@secure.istio.io"

TOKEN=eyJhbGciOiJSUzI1NiIsImtpZCI6IkRIRmJwb0lVcXJZOHQyenBBMnFYZkNtcjVWTzVaRXI0UnpIVV8tZW52dlEiLCJ0eXAiOiJKV1QifQ.eyJleHAiOjM1MzczOTExMDQsImdyb3VwcyI6WyJncm91cDEiLCJncm91cDIiXSwiaWF0IjoxNTM3MzkxMTA0LCJpc3MiOiJ0ZXN0aW5nQHNlY3VyZS5pc3Rpby5pbyIsInNjb3BlIjpbInNjb3BlMSIsInNjb3BlMiJdLCJzdWIiOiJ0ZXN0aW5nQHNlY3VyZS5pc3Rpby5pbyJ9.EdJnEZSH6X8hcyEii7c8H5lnhgjB5dwo07M5oheC8Xz8mOllyg--AHCFWHybM48reunF--oGaG6IXVngCEpVF0_P5DwsUoBgpPmK1JOaKN6_pe9sh0ZwTtdgK_RP01PuI7kUdbOTlkuUi2AO-qUyOm7Art2POzo36DLQlUXv8Ad7NBOqfQaKjE9ndaPWT7aexUsBHxmgiGbz1SyLH879f7uHYPbPKlpHU6P9S-DaKnGLaEchnoKnov7ajhrEhGXAQRukhDPKUHO9L30oPIr5IJllEQfHYtt6IZvlNUGeLUcif3wpry1R5tBXRicx2sXMQ7LyuDremDbcNy_iE76Upg

curl 192.168.198.154:30986/productpage -H "Authorization: Bearer ${TOKEN}"

request.auth.audiences

相当于request.auth.claims[aud]

values

productpage-when-request-auth-audiences-values.yaml

apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:name: productpage
spec:selector:matchLabels:app: productpageversion: v1action: ALLOWrules:- when:- key: request.auth.audiencesvalues: - "app"- “web”

curl 192.168.198.154:30986/productpage -H "Authorization: Bearer ${TOKEN}"

notValues

productpage-when-request-auth-audiences-notValues.yaml

apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:name: productpage
spec:selector:matchLabels:app: productpageversion: v1action: ALLOWrules:- when:- key: request.auth.audiencesnotValues: - "app"- “web”

curl 192.168.198.154:30986/productpage -H "Authorization: Bearer ${TOKEN}"

request.auth.presenter

相当于request.auth.claims[azp]

authorized presenter

values

productpage-when-request-auth-presenter-values.yaml

apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:name: productpage
spec:selector:matchLabels:app: productpageversion: v1action: ALLOWrules:- when:- key: request.auth.presentervalues: - "app"

curl 192.168.198.154:30986/productpage -H "Authorization: Bearer ${TOKEN}"

notValues

productpage-when-request-auth-presenter-notValues.yaml

apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:name: productpage
spec:selector:matchLabels:app: productpageversion: v1action: ALLOWrules:- when:- key: request.auth.presenternotValues: - "app"

curl 192.168.198.154:30986/productpage -H "Authorization: Bearer ${TOKEN}"

request.auth.claims

jwt相关

values

productpage-when-request-auth-claims-values.yaml

apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:name: productpage
spec:selector:matchLabels:app: productpageversion: v1action: ALLOWrules:- when:- key: request.auth.claims[groups]values: - "group1"

curl 192.168.198.154:30986/productpage -H "Authorization: Bearer ${TOKEN}"

notValues

productpage-when-request-auth-claims-notValues.yaml

apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:name: productpage
spec:selector:matchLabels:app: productpageversion: v1action: ALLOWrules:- when:- key: request.auth.claims[groups]notValues: - "group1"

curl 192.168.198.154:30986/productpage -H "Authorization: Bearer ${TOKEN}"

destination.ip

values

productpage-when-destination-ip-values.yaml

apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:name: productpage
spec:selector:matchLabels:app: productpageversion: v1action: ALLOWrules:- when:- key: destination.ipvalues: - "172.20.0.0/16"

notValues

productpage-when-destination-ip-notValues.yaml

apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:name: productpage
spec:selector:matchLabels:app: productpageversion: v1action: ALLOWrules:- when:- key: destination.ipnotValues: - "172.20.0.0/16"

destination.port

values

productpage-when-destination-port-values.yaml

apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:name: productpage
spec:selector:matchLabels:app: productpageversion: v1action: ALLOWrules:- when:- key: destination.portvalues: - "9080"

notValues

productpage-when-destination-port-notValues.yaml

apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:name: productpage
spec:selector:matchLabels:app: productpageversion: v1action: ALLOWrules:- when:- key: destination.portnotValues: - "9080"

connection.sni

values

productpage-when-connection-sni-values.yaml

apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:name: productpage
spec:selector:matchLabels:app: productpageversion: v1action: ALLOWrules:- when:- key: connection.snivalues: - "outbound_.9080_._.productpage.istio.svc.cluster.local"

requestedServerName的值

notValues

productpage-when-connection-sni-notValues.yaml

apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:name: productpage
spec:selector:matchLabels:app: productpageversion: v1action: ALLOWrules:- when:- key: connection.sninotValues: - "outbound_.9080_._.productpage.istio.svc.cluster.local"

experimental.envoy.filters.*

试验性的

暂时不验证

values

productpage-when-envoy-filters-mysql_proxy-values.yaml

apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:name: productpage
spec:selector:matchLabels:app: productpageversion: v1action: ALLOWrules:- when:- key: experimental.envoy.filters.network.mysql_proxy[db.table]values: - "[update]"

notValues

productpage-when-envoy-filters-mysql_proxy-notValues.yaml

apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:name: productpage
spec:selector:matchLabels:app: productpageversion: v1action: ALLOWrules:- when:- key: experimental.envoy.filters.network.mysql_proxy[db.table]notValues: - "[update]"

组合配置

productpage-complex.yaml

apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:name: productpage
spec:action: ALLOWrules:- from:- source:principals: - cluster.local/ns/istio-system/sa/istio-ingressgateway-service-accountnamespaces: - istio-systemto:- operation:methods: ["GET"]paths: ["/productpage"]- operation:methods: ["GET"]paths: ["/static/*"]- operation:methods: ["GET"]paths: ["/api/v1/products/*"]- operation:methods: ["GET"]paths: ["/logout"]- operation:methods: ["POST"]paths: ["/login"]when:- key: source.ipvalues:- "172.20.0.0/16"

Dependency on mutual TLS

Istio uses mutual TLS to securely pass some information from the client to the server. Mutual TLS must be enabled before using any of the following fields in the authorization policy:

  • the principals and notPrincipals field under the source section

  • the namespaces and notNamespaces field under the source section

  • the source.principal custom condition

  • the source.namespace custom condition

Mutual TLS is not required if you don’t use any of the above fields in the authorization policy.

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