https://leo3418.github.io/tags/openwrt.html Recent content in OpenWrt on Leo3418's Personal Site Hugo en Tue, 21 Jul 2026 12:09:03 -0400 https://leo3418.github.io/2026/07/21/openwrt-ipv6-dmz.html Tue, 21 Jul 2026 00:00:00 +0000 https://leo3418.github.io/2026/07/21/openwrt-ipv6-dmz.html <p>Some home Internet users have a need to expose some devices on their home network to the Internet and meanwhile block external access to other devices. For example, some users may wish to allow external access to their home server and prevent their smartphones and workstations from being accessible from the Internet. To achieve this goal, these users can create a subnet exposed to the Internet on their router and put the external-facing devices into this subnet; the other devices can thus be kept on the default local area network (LAN) subnet, protected behind a firewall that blocks external access. The external-facing subnet is commonly referred to as a <a href="https://en.wikipedia.org/wiki/DMZ_%28computing%29"><strong>demilitarized zone (DMZ)</strong></a>.</p>