Secure Web Gateway download servers
Last Modified: 2023-09-08 05:21:33 Etc/GMT
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Secure Web Gateway download servers
Technical Articles ID:
KB65496
Last Modified: 2023-09-08 05:21:33 Etc/GMT EnvironmentSecure Web Gateway (SWG)
SummarySWG needs to access several download servers to get all the needed files for engine, definition, and product updates. If an outbound firewall blocks access, SWG might not retrieve all the needed data. This block can lead to failing updates or missing the latest available security signatures.
Download server maintenance down time
The download server infrastructure for SWG is a worldwide cluster with multiple servers. When we need to perform regular maintenance tasks on any of the download servers, they're taken out of the pool of available servers. This action prevents any impact on your local SWG appliances. Your appliance automatically picks another available download server.If SWG is already pointing at the server that's being taken offline for maintenance, you might see a "red alert" in your Alerts Dashboard about a failed update. SWG immediately tries the next available download server in the list to make sure that your appliance stays up to date. You can verify that the "red alert" can be ignored due to maintenance, by filtering your Alerts Dashboard for the word Updater. If you see a green success message immediately following the red failure message, your update has succeeded and there's no reason for concern. Make sure that SWG can contact the following download servers using HTTPS (TCP/443).
IMPORTANT: The IP addresses are subject to change. This article might not contain the latest updates. We strongly recommend not configuring the download server IP addresses manually because IP address changes might prevent SWG from retrieving all needed files. As a best practice, allow SWG to communicate to HTTPS services (TCP/443) for any destination. Or, it's possible to use a next-hop proxy in your network, which allows SWG to contact the download servers. Related InformationLast update of download server IP addresses: May 16, 2022
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