From c437fb3ce7e2b6c1ffe4d22cadd7892e87a03dc0 Mon Sep 17 00:00:00 2001
From: Dave Hart <dphart@rochester.rr.com>
Date: Wed, 29 Apr 2026 08:17:24 -0400
Subject: [PATCH] Fix interstitial never displaying when UserAgentPrefixes is
 configured

---
 endpoints/dynamicProxy/http.go | 2 +-
 endpoints/publicProxy/http.go  | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/endpoints/dynamicProxy/http.go b/endpoints/dynamicProxy/http.go
index b676459b..638c000f 100644
--- a/endpoints/dynamicProxy/http.go
+++ b/endpoints/dynamicProxy/http.go
@@ -253,6 +253,7 @@ func handleInterstitial(w http.ResponseWriter, r *http.Request, pcfg *config, cf
 
 	sendInterstitial := true
 	if len(pcfg.Interstitial.UserAgentPrefixes) > 0 {
+		sendInterstitial = false
 		ua := r.Header.Get("User-Agent")
 		for _, prefix := range pcfg.Interstitial.UserAgentPrefixes {
 			if strings.HasPrefix(ua, prefix) {
@@ -260,7 +261,6 @@ func handleInterstitial(w http.ResponseWriter, r *http.Request, pcfg *config, cf
 				break
 			}
 		}
-		sendInterstitial = false
 	}
 
 	if sendInterstitial {
diff --git a/endpoints/publicProxy/http.go b/endpoints/publicProxy/http.go
index 1c70ea6c..9000fcd7 100644
--- a/endpoints/publicProxy/http.go
+++ b/endpoints/publicProxy/http.go
@@ -229,6 +229,7 @@ func handleInterstitial(w http.ResponseWriter, r *http.Request, pcfg *Config, cf
 
 	sendInterstitial := true
 	if len(pcfg.Interstitial.UserAgentPrefixes) > 0 {
+		sendInterstitial = false
 		ua := r.Header.Get("User-Agent")
 		for _, prefix := range pcfg.Interstitial.UserAgentPrefixes {
 			if strings.HasPrefix(ua, prefix) {
@@ -236,7 +237,6 @@ func handleInterstitial(w http.ResponseWriter, r *http.Request, pcfg *Config, cf
 				break
 			}
 		}
-		sendInterstitial = false
 	}
 
 	if sendInterstitial {