---
title: tls.client.servername
summary: null
url: >-
  https://www.fastly.com/documentation/reference/vcl/variables/client-connection/tls-client-servername
---

**Type:** STRING  
**Access:** read-only

**Available in:** recv, hash, deliver, log

The Server Name Indication (SNI) the client sent in the `ClientHello` TLS 
record. Returns `""` if the client did not send SNI. Otherwise _not set_ if the 
request is not a TLS request.