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-rw-r--r--modules/caddyhttp/reverseproxy/reverseproxy.go8
1 files changed, 7 insertions, 1 deletions
diff --git a/modules/caddyhttp/reverseproxy/reverseproxy.go b/modules/caddyhttp/reverseproxy/reverseproxy.go
index d89d0ac..839c0cc 100644
--- a/modules/caddyhttp/reverseproxy/reverseproxy.go
+++ b/modules/caddyhttp/reverseproxy/reverseproxy.go
@@ -637,7 +637,13 @@ func (h Handler) prepareRequest(req *http.Request, repl *caddy.Replacer) (*http.
addrPort, err := netip.ParseAddrPort(address)
if err != nil {
// OK; probably didn't have a port
- addrPort, _ = netip.ParseAddrPort(address + ":0")
+ addr, err := netip.ParseAddr(address)
+ if err != nil {
+ // Doesn't seem like a valid ip address at all
+ } else {
+ // Ok, only the port was missing
+ addrPort = netip.AddrPortFrom(addr, 0)
+ }
}
proxyProtocolInfo := ProxyProtocolInfo{AddrPort: addrPort}
caddyhttp.SetVar(req.Context(), proxyProtocolInfoVarKey, proxyProtocolInfo)