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Windows 7 - No internet access icon if HTTP proxy enabled in transparent mode

eclipse79oldacct
Hello, 
does anyone experiences my issue? In all my windows 7 client (I have 4 client), when HTTP proxy is enabled (it is set as Transparent Proxy) the lan icon alerts "No Internet Access". If I stop HTTP Proxy the issue disappear. 

In log files of http proxy I don't see anything strange, the same for IPS.

Any ideas?


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  • 0
    Windows is trying to connect to http://www.msftncsi.com/ncsi.txt, so your Webfilter profile has to allow that.
    Also check if a nslookup to dns.msftncsi.com returns the IP 131.107.255.255.

    ----------
    Sophos user, admin and reseller.
    Private Setup:

    • XG: HPE DL20 Gen9 (Core i3-7300, 8GB RAM, 120GB SSD) | XG 18.0 (Home License) with: Web Protection, Site-to-Site-VPN (IPSec, RED-Tunnel), Remote Access (SSL, HTML5)
    • UTM: 2 vCPUs, 2GB RAM, 50GB vHDD, 2 vNICs on vServer (KVM) | UTM 9.7 (Home License) with: Email Protection, Webserver Protection, RED-Tunnel (server)
Reply
  • 0
    Windows is trying to connect to http://www.msftncsi.com/ncsi.txt, so your Webfilter profile has to allow that.
    Also check if a nslookup to dns.msftncsi.com returns the IP 131.107.255.255.

    ----------
    Sophos user, admin and reseller.
    Private Setup:

    • XG: HPE DL20 Gen9 (Core i3-7300, 8GB RAM, 120GB SSD) | XG 18.0 (Home License) with: Web Protection, Site-to-Site-VPN (IPSec, RED-Tunnel), Remote Access (SSL, HTML5)
    • UTM: 2 vCPUs, 2GB RAM, 50GB vHDD, 2 vNICs on vServer (KVM) | UTM 9.7 (Home License) with: Email Protection, Webserver Protection, RED-Tunnel (server)
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