The update proxy enable command enables the signature database proxy update function.
The undo update proxy enable command disables the signature database proxy update function.
By default, the signature database proxy update function is disabled.
After this function is enabled, you must run the update proxy command to set the proxy server. Otherwise, the firewall cannot connect to the update server through the proxy server.
During signature database update through a proxy server, HTTP will be used, causing security risks. You are advised to update the signature database in local or direct update mode.