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ipv4 to ipv6 masq

lnmn
I currently have ipv6 enabled natively on my wan interface.  On one of my internal interfaces does not have ipv6 enabled.  On this internal network I can successfully navigate to ipv6 websites such as sixxs.net and testipv6.com. which indicates there is some sort of natting happening.  This is unwanted behavior.  In checking my masq rules I find that all of them refer only to ipv4 networks.   the ipv4 networks masq to -> to uplink interfaces(which includes the v6 address).  We use uplink interfaces for a backup wan connection)

I believe this is causing some dns issues as this network is not setup fully for ipv6.  We are not prepared to fully enable it now either.  

Looking for some advice on this

~D


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  • 0
    It's probably the web filter causing this.
    You can't stop this without either disabling IPv6 completely or not using the web filtering for this network.

    ----------
    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
    It's probably the web filter causing this.
    You can't stop this without either disabling IPv6 completely or not using the web filtering for this network.

    ----------
    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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