Can we configure manual IP addresses to download LiveUpdate content through internet?


Article ID: 154503


Updated On:


Endpoint Protection


What IP addresses should be configured as Firewall and Proxy exceptions to enable LiveUpdate?

LiveUpdate cannot download definitions because server is not reachable. Possible error: LU1835: Connection to the LiveUpdate server failed.


Proxy or Firewall blocks Symantec LiveUpdate server access.


Configure LiveUpdate access by DNS, not IP address.  Symantec uses a Content Distribution Network of tens of thousands of servers to make new definitions and other content available via LiveUpdate.  As the IP addresses used by this CDN change, there is no static IP address or range that can be used for configuring firewall rules. Instead of using IP addresses to create firewall rules to permit traffic, rules should allow connections to the following domains: