From ac79a54fe5a53542f4213bed5aa0d179e3babb6b Mon Sep 17 00:00:00 2001 From: aprasad Date: Wed, 13 May 2026 03:27:46 -0700 Subject: [PATCH] RDKBDEV-3442 - DNS Port 53 found to be open on non-relevant interfaces in CM Reason for change: When bind-dynamic option is enabled in dnsmasq.conf, the DNS ports were dynamically bound to the active interface IPs. As a result, port 53 is no longer observed as open on non-relevant interfaces. Risks: Low Signed-off-by: Aiswarya Prasad --- .../init/service.d/service_dhcp_server/dhcp_server_functions.sh | 1 + 1 file changed, 1 insertion(+) diff --git a/source/scripts/init/service.d/service_dhcp_server/dhcp_server_functions.sh b/source/scripts/init/service.d/service_dhcp_server/dhcp_server_functions.sh index ff6b4861..444ba841 100755 --- a/source/scripts/init/service.d/service_dhcp_server/dhcp_server_functions.sh +++ b/source/scripts/init/service.d/service_dhcp_server/dhcp_server_functions.sh @@ -1077,6 +1077,7 @@ fi fi #echo "interface=$LAN_IFNAME" >> $LOCAL_DHCP_CONF + echo "bind-dynamic" >> $LOCAL_DHCP_CONF echo "expand-hosts" >> $LOCAL_DHCP_CONF echo "address=/.c.f.ip6.arpa/" >> $LOCAL_DHCP_CONF