---
name: "TSSslClientCertUpdate"
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/TSSslClientCertUpdate"
---

# TSSslClientCertUpdate(3ts)

traffic Server TLS client cert update

## NAME

TSSslClientCertUpdate - traffic Server TLS client cert update

## SYNOPSIS

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

- ***TSReturnCode* TSSslClientCertUpdate(const char \*cert\_path, const char \*key\_path)**

  ## DESCRIPTION

*TSSslClientCertUpdate()* updates existing client certificates configured in *sni.yaml* or *proxy.config.ssl.client.cert.filename*. *cert\_path* should be exact match as provided in configurations. *TSSslClientCertUpdate()* returns *TS\_SUCCESS* only if *cert\_path* exists in configuration and reloaded to update the context.

## COPYRIGHT

2026, dev@trafficserver.apache.org