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166d7a39e8
Remove outdated usage of "Consul Connect" instead of Consul service mesh. The connect subsystem in Consul provides Consul's service mesh capabilities. However, the term "Consul Connect" should not be used as an alternative to the name "Consul service mesh".
29 lines
1.5 KiB
Plaintext
29 lines
1.5 KiB
Plaintext
---
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layout: docs
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page_title: Service Mesh Proxy Overview
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description: >-
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In Consul service mesh, each service has a sidecar proxy that secures connections with other services in the mesh without modifying the underlying application code. You can use the built-in proxy, Envoy, or a custom proxy to handle communication and verify TLS connections.
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---
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# Service Mesh Proxy Overview
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Proxies enable unmodified applications to connect to other services in the service mesh. A
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per-service proxy sidecar transparently handles inbound and outbound service
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connections, automatically wrapping and verifying TLS connections. Consul
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ships with a built-in L4 proxy and has first class support for Envoy. You
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can plug other proxies into your environment as well. This section describes how to
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configure Envoy or the built-in proxy using Consul service mesh, and how to integrate the
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proxy of your choice.
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To ensure that services only allow external connections established through
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the service mesh protocol, you should configure all services to only accept connections on a loopback address.
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## Dynamic upstreams require native integration
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Service mesh proxies do not support dynamic upstreams.
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If an application requires dynamic dependencies that are only available
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at runtime, you must [natively integrate](/consul/docs/connect/native)
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the application with Consul service mesh. After natively integrating, the HTTP API or
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[DNS interface](/consul/docs/services/discovery/dns-static-lookups#service-mesh-enabled-service-lookups)
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can be used. |