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Register DHCP hostnames in DNS

GaryOssewaarde

I've installed the Sophos XG beta and set up DHCP/DNS. In my DHCP logs, I see tons of hostnames. I'd like to resolve these with DNS when I do a look up for them. Is this possible with XG?



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  • 0

    Hi Gary,

    Configure XG's LAN IP address as the DNS server in the endpoints. Any help with that?

    Thanks

  • 0 in reply to sachingurung

    Yes, the XG's LAN IP is the DNS server for all the clients.

  • 0

    HI Gary , 

    Seems what you needed is NetBios in your LAN network .

    NetBios :  NetBIOS name resolution is the process of successfully mapping a NetBIOS name to an IP address. A NetBIOS name is a 16-byte address used to identify a NetBIOS resource on the network. A NetBIOS name is either a unique (exclusive) or group (nonexclusive) name. When a NetBIOS process communicates with a specific process on a specific computer, a unique name is used. When a NetBIOS process communicates with multiple processes on multiple computers, a group name is used.Basically, the NetBios is a Broadcast packet and is usually dropped my any gateway appliance . 

    Basically, the NetBios is a Broadcast packet and is usually dropped my any gateway appliance . If you are in same LAN you may connect through same system in LAN Network (This is nothing to do with Gateway appliance). So if your network is isolated by the gateway so you would have two options to configure the NetBios . 

    Option 1: You may add static DNS entry by referring this article and use DNS server as XG LAN/DMZ interface .

    Note : This option would require you to set DHCP allocation to Static and cannot be used in Dynamic allocation 

    Option 2: You may need to use a WINS server in your local LAN . If you have  multiple LANs and is isolated by a L3 device also the DHCP allocation is Dynamic then you may need a WINS server . 

    Please follow the links to configure  a WINS server and setup one applicable for Windows server and Windows 7. Once the WINS server is setup then you may use in DHCP settings on Sophos XG .

    Thanks and Regards 

    Aditya Patel | Network and Security Engineer.

  • 0 in reply to GaryOssewaarde

    Hi Gary,

    You need to manually add a DNS host entry to reach the endpoint. Refer https://community.sophos.com/kb/en-US/123566 .

    console> dnslookup host IN-GN-34976

    Domain Name # IN-GN-34976
    Resolved Address 1# 10.10.10.6
    Total query time # 15031.04 msec

    Thanks