diff options
| -rw-r--r-- | modules/caddyhttp/headers/headers.go | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/modules/caddyhttp/headers/headers.go b/modules/caddyhttp/headers/headers.go index d523723..f8d3fdc 100644 --- a/modules/caddyhttp/headers/headers.go +++ b/modules/caddyhttp/headers/headers.go @@ -332,7 +332,10 @@ func (rww *responseWriterWrapper) WriteHeader(status int) { if rww.wroteHeader { return } - rww.wroteHeader = true + // 1xx responses aren't final; just informational + if status < 100 || status > 199 { + rww.wroteHeader = true + } if rww.require == nil || rww.require.Match(status, rww.ResponseWriterWrapper.Header()) { if rww.headerOps != nil { rww.headerOps.ApplyTo(rww.ResponseWriterWrapper.Header(), rww.replacer) |