# \#gateway

**URL:** https://hub.mender.io/tag/gateway/387.md

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## [Does Mender Gateway support certificate chain validation with Intermediate CAs for mTLS?](https://hub.mender.io/t/does-mender-gateway-support-certificate-chain-validation-with-intermediate-cas-for-mtls/8185)

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**Author:** [@marifante](https://hub.mender.io/u/marifante)\
**Replies:** 2\
**Last updated:** [February 5, 2026, 8:09am UTC](https://hub.mender.io/t/does-mender-gateway-support-certificate-chain-validation-with-intermediate-cas-for-mtls/8185 "2026-02-05T08:09:06Z")

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Hi, We are designing a device authorization model for our IoT fleet using mTLS with Mender Gateway (Enterprise). We want to implement a two-level CA hierarchy: Root CA (stored in HSM, long-lived) └── Intermediate CA (…

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## [Can't add to gateway system](https://hub.mender.io/t/cant-add-to-gateway-system/7553)

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**Author:** [@roborto1999](https://hub.mender.io/u/roborto1999)\
**Replies:** 4\
**Last updated:** [February 14, 2025, 2:48pm UTC](https://hub.mender.io/t/cant-add-to-gateway-system/7553 "2025-02-14T14:48:54Z")

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Hello, I am enjoying the system at the moment . But I have struggled to get devices to add to a gate way. I have added virtual device following the instructions but it does not appear in the “System for this gateway” of…