AZTCOFW / TECHNICAL GUIDE
Ping works by IP address, but web browsing fails
In this case, the most likely cause is DNS. If the firewall DNS settings do not match those in Interface and DNS Configuration, clients may not be able to resolve DNS when a WAN is down. Review the settings and fix any problems that are found.
Imported from the AZTCOFW knowledge base on 2026-09-05. Historical guidance may refer to older software versions. Confirm applicability before changing a production system.
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