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Can ping IP over VPN but Can not Ping Hostname

mgamal-it
Dear All 

I created ipsec Vpn Between Sophos UTM 9 and Draytek 5510 i can ping by ip normally but can not ping by host name from 2 sides ??!! 

and created another ipsec vpn by draytek 5510 and draytek 5300 i can ping by ip and by host name from 2 sides ??!!

so whats wrong?


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  • 0
    If you add all the hosts as static host entries in Sophos UTM then all your clients (also on the other side of the connection) should use Sophos as DNS-server. But if your VPN goes down, then these clients wouldn't be able to resolve anything.

    The only remedy for that when not using "real" DNS-servers is by using the HOSTS files on every single machine and make entries for every other machine in there.

    Managing several Sophos UTMs and Sophos XGs both at work and at some home locations, dedicated to continuously improve IT-security and feeling well helping others with their IT-security challenges.

    Sometimes I post some useful tips on my blog, see blog.pijnappels.eu/category/sophos/ for Sophos related posts.

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  • 0
    If you add all the hosts as static host entries in Sophos UTM then all your clients (also on the other side of the connection) should use Sophos as DNS-server. But if your VPN goes down, then these clients wouldn't be able to resolve anything.

    The only remedy for that when not using "real" DNS-servers is by using the HOSTS files on every single machine and make entries for every other machine in there.

    Managing several Sophos UTMs and Sophos XGs both at work and at some home locations, dedicated to continuously improve IT-security and feeling well helping others with their IT-security challenges.

    Sometimes I post some useful tips on my blog, see blog.pijnappels.eu/category/sophos/ for Sophos related posts.

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