DNS resolution over VPN Ipsec from windows

crsdg
crsdg Posts: 5
First Comment
in Security

Hello,

My VPN connection working.

I have a problem with dns resolution:

My server :

SERVERDATA.DOMAIN.LOCAL = 192.168.5.10

Ping 192.168.5.10 : ok

Ping serverdata.domain.local : ok

ping serverdata : not ok

Inside network it works.

I prefere do not enter manualy the dns sufixe in windows 11.

In my zyxel i have a forward zone : all to 192.168.5.11 (dns server)

Have you a solution ?

All Replies

  • smb_corp_user
    smb_corp_user Posts: 168  Master Member
    5 Answers First Comment Friend Collector Second Anniversary

    OK, so you expected to be able to make a DNS name lookup only on hostname, instead of using fully qualified domain name (FQDN). Has it worked previously?

    I would not expect hostname DNS lookup to work other than on the same LAN subnet, but maybe I have missed something. Maybe there is a way to make it work over VPN, I have forgotten.

  • QuiteSmart
    QuiteSmart Posts: 48  Freshman Member
    Zyxel Certified Network Administrator - Nebula Zyxel Certified Network Administrator - Security Zyxel Certified Network Administrator - Switch Zyxel Certified Network Administrator - WLAN

    Hello,

    have you tried inserting domain.local in:

    configuration —> system —> host name —> domain name

  • Zyxel_Cooldia
    Zyxel_Cooldia Posts: 1,518  Zyxel Employee
    Zyxel Certified Network Administrator - Security Zyxel Certified Sales Associate 100 Answers 1000 Comments

    Hi @crsdg ,

    When you ping 'serverdata,' it initiates a NetBIOS name query, not a DNS query.

  • smb_corp_user
    smb_corp_user Posts: 168  Master Member
    5 Answers First Comment Friend Collector Second Anniversary
    https://community.zyxel.com/en/discussion/comment/61230#Comment_61230

    Excellent point. Configure local DNS to map the hostnames to IP addresses to traverse subnets.

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