diff options
-rw-r--r-- | modules/caddyhttp/reverseproxy/reverseproxy.go | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/modules/caddyhttp/reverseproxy/reverseproxy.go b/modules/caddyhttp/reverseproxy/reverseproxy.go index d1aa49a..910fbfc 100644 --- a/modules/caddyhttp/reverseproxy/reverseproxy.go +++ b/modules/caddyhttp/reverseproxy/reverseproxy.go @@ -204,6 +204,13 @@ func (h *Handler) Provision(ctx caddy.Context) error { // set up upstreams for _, upstream := range h.Upstreams { + addr, err := caddy.ParseNetworkAddress(upstream.Dial) + if err != nil { + return err + } + if addr.PortRangeSize() != 1 { + return fmt.Errorf("multiple addresses (upstream must map to only one address): %v", addr) + } // create or get the host representation for this upstream var host Host = new(upstreamHost) existingHost, loaded := hosts.LoadOrStore(upstream.String(), host) |