RDKCOM-5586: RDKBDEV-3442 DNS Port 53 found to be open on non-relevant interfaces in CM#315
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RDKCOM-5586: RDKBDEV-3442 DNS Port 53 found to be open on non-relevant interfaces in CM#315aprasad-97 wants to merge 1 commit into
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pradeeptakdas
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…s 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 <aprasad@maxlinear.com>
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snayak002c
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May 20, 2026
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| #echo "interface=$LAN_IFNAME" >> $LOCAL_DHCP_CONF | ||
| echo "bind-dynamic" >> $LOCAL_DHCP_CONF |
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We are already passing bind-dynamic as an argument to dnsmasq. If it is not handled in some scenarios, please fix that. Otherwise, remove bind-dynamic from the arguments and keep it only in the configuration file. We should not maintain this option in both the config file and the dnsmasq arguments.
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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 aprasad@maxlinear.com