---
name: "TSVConnTunnel"
section: "3ts"
platform: "linux"
package: "trafficserver-dev"
version: "9.2.5+ds-0+deb12u4"
release: "Debian 12 (Bookworm)"
platforms: ["linux"]
url: "https://new.carta.tech/TSVConnTunnel"
---

# TSVConnTunnel(3ts)

TSVConnTunnel API function

## NAME

TSVConnTunnel - TSVConnTunnel API function

## SYNOPSIS

```
#include <ts/ts.h>
```

- ***TSReturnCode* TSVConnTunnel(*TSVConn* svc)**

  ## DESCRIPTION

Set the SSL connection *svc* to convert to a blind tunnel. Can be called from *TS\_VCONN\_START\_HOOK*, *TS\_SSL\_SERVERNAME\_HOOK*, or *TS\_SSL\_SNI\_HOOK* / *TS\_SSL\_CERT\_HOOK*.

## COPYRIGHT

2026, dev@trafficserver.apache.org