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Windows Update

gband
hello. We have UTM 9.004. Clients pc's can't download windows updates from Microsoft, unless they are added in the "Skip transparent mode source hosts/nets" list. otherwise an error appears. the same with wsus server. it must be also added in the same list in order to synchronize. I am sending the web proxy log, when a client pc tries to download updates from Microsoft.
Any ideas are welcome. The built-in "Microsoft Windows Update" exception rule is active.
Thanks


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    Perhaps, I will check again. But I don't understand why, when we have transparent mode with scan https(ssl) enabled, and all http+https traffic is handled by the proxy, windows update traffic to port 80 is blocked by the firewall. Isn't handled by the proxy too?
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    Perhaps, I will check again. But I don't understand why, when we have transparent mode with scan https(ssl) enabled, and all http+https traffic is handled by the proxy, windows update traffic to port 80 is blocked by the firewall. Isn't handled by the proxy too?
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