Is it possible to resolve names with using IPsec VPN?

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Omnisoftory
Omnisoftory Posts: 4 image  Freshman Member
Second Anniversary
in Security

Hello,

Using IPSec VPN, I can't resolve the names. I can reach the devices with their IP addresses without any problem but the DNS server can't resolve the name.
Namely: There is a server inside the network that does DNS + DHCP
What I have already done:

  • In the L2TP VPN configuration, the DNS server is the DHCP/DNS server
  • In the Firewall DNS, I put the Address/PTR Record of the different devices
  • In the Domain Zone Forwarder, I put the DHCP/DNS server of the network

PS : Internally, it works correctly. It is only when using the VPN that the resolution does not work.

If you have a solution or a link on another forum that provides the answer ;)

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Accepted Solution

  • mMontana
    mMontana Posts: 1,468 image  Guru Member
    Zyxel Certified Network Administrator - Security Zyxel Certified Network Administrator - Switch 50 Answers 1000 Comments
    Answer ✓

    The L2TP connected device can access to the "correct" DNS Server? In windows i use nslookup for query DNS servers in detail

All Replies

  • mMontana
    mMontana Posts: 1,468 image  Guru Member
    Zyxel Certified Network Administrator - Security Zyxel Certified Network Administrator - Switch 50 Answers 1000 Comments
    Answer ✓

    The L2TP connected device can access to the "correct" DNS Server? In windows i use nslookup for query DNS servers in detail

  • Zyxel_Kevin
    Zyxel_Kevin Posts: 981 image  Zyxel Employee
    Zyxel Certified Network Administrator - Security Zyxel Certified Sales Associate 100 Answers 500 Comments

    Hi @Omnisoftory ,

    Greeting Forum,

    Please kinldy peform the command at client and provide the output for us.

    "nslookup xxx.xxx.xxx DNSServer" and

    "route print"

    Thank you

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