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description= Create root and intermediate certificates and upload them to a Certificate Manager TrustConfig resource.;
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t technology areas close ai and ml application development application hosting compute data analytics and pipelines databases distributed hybrid and multicloud industry solutions migration networking observability and monitoring security storage cross product tools close access and resources management costs and usage management infrastructure as code sdk languages frameworks and tools console english deutsch español español américa latina français indonesia italiano português português brasil עברית 中文 简体 中文 繁體 日本語 한국어 sign in load balancing start free overview guides reference resources technology areas more overview guides reference resources cross product tools more console discover cloud load balancing overview choose a load balancer cloud load balancing resource model load balancer feature comparison get started roles and permissions iam conditions for forwarding rules organization policy constraints overview use custom constraints application load balancer http https overview external load balancer architecture overview request distribution overview set up global load balancer managed vm instance group backend cloud storage backend buckets external backend internet neg cloud run app engine or cloud run functions backends serverless neg on premises or other cloud backends zonal and hybrid neg add capabilities traffic management overview set up traffic management set up http to https redirect set up a load balancer with shared vpc set up load balancer with cross project backend service and backend bucket create custom headers in backend services custom error response overview configure custom error responses set up global load balancer classic terraform examples managed vm instance group backend cloud storage backend buckets external backend internet neg cloud run app engine or cloud functions backends serverless neg on premises or other cloud backends zonal and hybrid neg migrate resources overview migrate to global external application load balancer roll back to classic application load balancer add capabilities traffic management overview create custom headers in backend services set up custom header and query parameter based routing set up url redirect set up http to https redirect set up url rewrite set up regional load balancer managed vm instance group backend cloud storage backend buckets cloud run backends serverless neg on premises or other cloud backends zonal and hybrid neg external backend internet neg add capabilities traffic management overview set up traffic management set up high availability set up http to https redirect set up a load balancer with backend service using shared vpc set up a load balancer with backend buckets using shared vpc create custom headers in url maps fail over to regional load balancers monitor and troubleshoot overview global load balancers regional load balancers troubleshooting best practices explore tutorials request routing to a multi region external https load balancer faster web performance and improved web protection for load balancing deliver http and https content over the same published domain optimize application latency with load balancing application capacity optimizations with global load balancing capacity management with load balancing internal load balancer architecture overview set up cross region load balancer managed vm instance group backend cloud storage backend buckets on premises or other cloud backends zonal and hybrid neg cloud run backends serverless neg set up regional load balancer terraform examples vm instance group backends cloud run backends serverless neg cloud storage backend buckets on premises or other cloud backends zonal and hybrid neg external backend internet neg add capabilities traffic management overview set up traffic management set up http to https redirect create custom headers in url maps set up regional internal load balancer with backend service using shared vpc set up cross region load balancer with backend buckets using shared vpc set up a regional internal application load balancer with backend buckets using shared vpc service directory registration load balancing and connected networks monitor and troubleshoot view logs and metrics troubleshooting convert load balancer to ipv6 use custom metrics load testing backends proxy network load balancer tcp ssl proxy overview external load balancer architecture overview set up global load balancer global ssl proxy with vm instance group backends global tcp proxy with vm instance group backends set up global load balancer classic terraform examples global ssl proxy with vm instance group backends global tcp proxy with vm instance group backends set up regional load balancer vm instance group backends zonal neg backends hybrid connectivity hybrid negs external backend internet neg internal load balancer architecture overview set up cross region load balancer managed vm instance group backends on premises or other cloud backends zonal and hybrid neg set up regional load balancer managed vm instance group backends zonal neg backends hybrid connectivity hybrid negs external backend internet neg add capabilities load balancing and connected networks view logs and metrics convert load balancer to ipv6 passthrough network load balancer tcp udp overview external load balancer regional load balancer backend service based architecture traffic distribution concepts target pool based architecture set up a load balancer vm instance group backends tcp udp only vm instance group backends multiple protocols zonal neg backends target pool based load balancer add capabilities configure failover configure weighted load balancing migrate from target pools to backend services service directory registration explore tutorials use udp with network load balancers monitor and troubleshoot view logs and metrics troubleshooting internal load balancer architecture overview traffic distribution concepts set up load balancer terraform examples vm instance group backends vm instance group backend for multiple protocols zonal neg backends add capabilities configure failover zonal affinity load balancers as next hops overview set up load balancing for third party appliances forwarding rules that use a common ip address service directory registration load balancing and connected networks explore tutorials set up load balancer as next hop with tags deploy a hub and spoke network set up a load balancer with internal ipv6 only backends monitor and troubleshoot view logs and metrics troubleshooting protocol forwarding overview set up protocol forwarding switch between a target instance and a backend service secure ssl certificates overview use self managed ssl certificates use google managed ssl certificates encryption to the backends troubleshooting ssl policies overview use ssl policies mutual tls frontend mtls overview set up frontend mtls with user provided certificates set up frontend mtls with a private ca backend mtls overview set up backend authenticated tls set up backend mtls backend mtls with managed workload identity overview set up backend mtls using managed workload identity post quantum tls authorization policies overview set up authorization policies customize load balancer advanced load balancing optimizations backend buckets backend services connection draining firewall rules forwarding rules health checks overview use health checks internal dns names ipv6 network endpoint groups overview hybrid connectivity negs internet negs serverless negs zonal negs overview set up zonal negs proxy only subnets tags target pools target proxies url maps overview use url maps url map size and quota units operate and maintain audit logging information health check logging information clean up a load balancer setup ai and ml application development application hosting compute data analytics and pipelines databases distributed hybrid and multicloud industry solutions migration networking observability and monitoring security storage access and resources management costs and usage management infrastructure as code sdk languages frameworks and tools home documentation networking load balancing guides send feedback set up frontend mtls with user provided certificates stay organized with collections save and categorize content based on your preferences a valid client certificate must show a chain of trust back to the trust anchor root certificate in the trust store this page provides instructions for creating your own trust chain by configuring your own root and intermediate certificates using the openssl library after creating the roots of trust this document outlines the process to upload them to the trust store of the certificate manager trustconfig resource this is followed by linking the trust config to the client authentication servertlspolicy resource and then attaching the client authentication resource to the target https proxy resource of the load balancer before you begin review the mutual tls overview review the guide to manage trust configs install the google cloud cli for a complete overview of the tool see the gcloud cli overview you can find commands related to load balancing in the api and gcloud cli reference if you haven t run the gcloud cli previously first run the gcloud init command to authenticate enable the following apis compute engine api certificate manager api network security and network services api to learn more see enabling apis if you are using global external application load balancer or classic application load balancer make sure you have set up a load balancer with any of the following supported backends vm instance group backends cloud storage buckets supported only if there is at least one backend service also attached to the load balancer in addition to the backend bucket cloud run app engine or cloud run functions hybrid connectivity private service connect backends if you are using regional external application load balancer cross region internal application load balancer or regional internal application load balancer make sure you have set up a load balancer with any of the following supported backends vm instance group backends cloud run hybrid connectivity private service connect backends set your project gcloud gcloud config set project project_id permissions to get the permissions that you need to complete this guide ask your administrator to grant you the following iam roles on the project to create load balancer resources such as targethttpsproxy compute load balancer admin roles compute loadbalanceradmin to use certificate manager resources certificate manager owner roles certificatemanager owner to create security and networking components compute network admin roles compute networkadmin and compute security admin roles compute securityadmin to create a project optional project creator roles resourcemanager projectcreator for more information about granting roles see manage access to projects folders and organizations you might also be able to get the required permissions through custom roles or other predefined roles note iam basic roles might also contain permissions to complete this guide you shouldn t grant basic roles in a production environment but you can grant them in a development or test environment create the root and intermediate certificates note if you already have certificates to upload to the trust store you can skip this step and jump to format the certificates if you need to use a self signed expired or otherwise invalid certificate or if root and intermediate certificates are unavailable you can create a self signed certificate and then add it to an allowlist in the trust config this section uses the openssl library to create the root certificate trust anchor and the intermediate certificate a root certificate is at the top of the certificate chain an intermediate certificate is a part of the chain of trust back to the root certificate the intermediate certificate is cryptographically signed by the root certificate when the load balancer receives a client certificate the load balancer validates it by establishing a chain of trust from the client certificate back to the configured trust anchor use the following commands to create the root and intermediate certificates the creation of the intermediate certificate is optional however in this setup we are using the intermediate certificate to sign the client certificate create an openssl configuration file in the following example the configuration file example cnf contains the ca_exts section which specifies x 509 extensions that mark the certificate as suitable for a ca to learn more about the requirements for root and intermediate certificates see certificate requirements cat example cnf eof req distinguished_name empty_distinguished_name empty_distinguished_name kept empty to allow setting via subj command line argument ca_exts basicconstraints critical ca true keyusage keycertsign extendedkeyusage clientauth eof create a self signed x 509 root certificate root cert the root certificate is self signed with its own private key root key openssl req x509 new sha256 newkey rsa 2048 nodes days 3650 subj cn root config example cnf extensions ca_exts keyout root key out root cert create the certificate signing request int req for the intermediate certificate openssl req new sha256 newkey rsa 2048 nodes subj cn int config example cnf extensions ca_exts keyout int key out int req sign the csr to create the x 509 intermediate certificate int cert the csr is signed using the root certificate openssl x509 req cakey root key ca root cert set_serial 1 days 3650 extfile example cnf extensions ca_exts in int req out int cert create a self signed certificate that can be added to an allowlist note if you already have certificates to upload to the trust store you can skip this step and jump to format the certificates you can create a self signed certificate and add it to an allowlist in the trust config use the following openssl command to create a self signed x 509 certificate openssl req x509 new sha256 newkey rsa 2048 nodes days 3650 subj cn localhost keyout allowlisted key out allowlisted cert this certificate is then added to an allowlistedcertificates field in the trust config format the certificates to include new or existing certificates in a truststore format the certificates into a single line and store them in environment variables so that they can be referenced by the trust config yaml file export root_cert cat root cert sed s g tr n sed s n g export intermediate_cert cat int cert sed s g tr n sed s n g to include new or existing certificates that are added to an allowlist in a trust config format the certificates into a single line and store them in environment variables so that they can be read into the yaml file for certificates that are on an allowlist use the following command to format the certificates into a single line and store them in the allowlisted_cert environment variable export allowliste...
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