**[Spencer Gibb](https://jira.spring.io/secure/ViewProfile.jspa?name=spencergibb)** opened **[SPR-15200](https://jira.spring.io/browse/SPR-15200?redirect=false)** and commented See https://github.com/netty/netty/pull/5659/files for a workaround to switch to ipv4 and then use the the host and port from ServerHttpRequest#getUri(). --- **Affects:** 5.0 M4