From dc2c5f56c01b1408c6a13be98f6a2f0c3a7f127f Mon Sep 17 00:00:00 2001
From: j8takagi <j8takagi@nifty.com>
Date: Tue, 7 Apr 2026 15:04:47 +0900
Subject: [PATCH] =?utf8?q?IP=E5=8F=96=E5=BE=97=E3=82=B5=E3=83=BC=E3=83=90?=
 =?utf8?q?=E3=83=BC=E3=82=92ifconfig.io=E3=81=AB=E5=A4=89=E6=9B=B4?=
 =?utf8?q?=E3=81=97=E3=80=81=E5=8F=96=E5=BE=97=E3=81=A7=E3=81=8D=E3=81=AA?=
 =?utf8?q?=E3=81=91=E3=82=8C=E3=81=B0=E3=81=99=E3=81=90=E7=B5=82=E4=BA=86?=
 =?utf8?q?=E3=81=99=E3=82=8B=E3=82=88=E3=81=86=E3=81=AB?=
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---
 global_ip_chk.sh | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/global_ip_chk.sh b/global_ip_chk.sh
index 02fae43..65d0324 100755
--- a/global_ip_chk.sh
+++ b/global_ip_chk.sh
@@ -10,9 +10,16 @@ CAT=/bin/cat
 TEST=/usr/bin/test
 WGET=/usr/bin/wget
 
-IPCHECKSERVER=ipcheck.ieserver.net
+IPCHECKSERVER=ifconfig.io
 
 NOWIP=$(${WGET} -q -O - ${IPCHECKSERVER})
+
+# ガード節：NOWIPが空なら、以後の判定をせずに終了する
+if ${TEST} -z "${NOWIP}"; then
+    ${ECHO} "Failed to retrieve Global IP. Exiting." | ${LOGGER} -p local2.err
+	exit 1
+fi
+
 if ${TEST} -n "${NOWIP}" -a -s ${IPFILE}; then
     CACHEIP=$(${CAT} ${IPFILE})
 else
-- 
2.47.3