12/24/2023 0 Comments Dyn updater unable to get ip windows 7Now edit /etc/dhcp/nf and make it look similar to the this. # chmod 755 /usr/local/bin/dhcp-dyndns.sh Note you will need to grant DomainAdmin privileges to the DNS update user. If you wish to store the computers MAC address in AD, find this line: Logger "Successfully modified Computer $name in AD" Logger "Error modifying Computer attribute $name in AD." Logger "Error modifying Computer objectclass $name in AD."Įcho "$attrldif" | ldbmodify "$KTYPE" -H ldap://"$Server" Exiting."ĭN=$(echo "$Computer_Object" | grep 'dn:')Įcho "$objldif" | ldbmodify "$KTYPE" -H ldap://"$Server" # Computer object not found with the 'ieee802Device' objectclass, does the computer actually exist, it should.Ĭomputer_Object=$(ldbsearch "$KTYPE" -H ldap://"$Server" "(&(objectclass=computer)(cn=$name))" | grep -v '#' | grep -v 'ref:') # On FreeBSD change this to /usr/local/etc/dhcpduser.keytabĬat /dev/null | grep 'A:' | awk '"Ĭomputer_Object=$(ldbsearch "$KTYPE" -H ldap://"$Server" "(&(objectclass=computer)(objectclass=ieee802Device)(cn=$name))" | grep -v '#' | grep -v 'ref:') # Change the next line to 'yes' to make this happen # # Add 'dhcpduser' to the 'Domain Admins' group if used # # You can optionally add the 'macAddress' to the Computers object. #export PATH=/usr/local/samba/bin:/usr/local/samba/sbin:/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin # If you have 'path' problems, Uncomment the next line and adjust for # You may need to ensure that you have a useful path # You should have received a copy of the GNU General Public License # GNU General Public License for more details. # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. # but WITHOUT ANY WARRANTY without even the implied warranty of # This program is distributed in the hope that it will be useful, # the Free Software Foundation either version 3 of the License, or # it under the terms of the GNU General Public License as published by # This program is free software you can redistribute it and/or modify # it can also add the 'macAddress' to the Computers object. # This script is for secure DDNS updates on Samba, # On FreeBSD change the above line to #!/usr/local/bin/bash On FreeBSD this is dhcpd:dhcpd.Ĭopy this script to /usr/local/bin/dhcp-dyndns.sh In the chown command above root:root is used, you need to check what user & group DHCP runs as on your distro and if different, change root:root to the correct user & group. On FreeBSD change /etc/dhcpduser.keytab to /usr/local/etc/dhcpduser.keytab # samba-tool domain exportkeytab /etc/dhcpduser.keytab # samba-tool group addmembers DnsAdmins dhcpduser # samba-tool user setexpiry dhcpduser -noexpiry Now set the users password to never expire and add the user to the DnsAdmins group. # samba-tool user create dhcpduser -description="Unprivileged user for TSIG-GSSAPI DNS updates via ISC DHCP server" -random-password You need a user that the script will run as, set a random password because you will never logon as the user. If using Bind9, Bind9_dlz must be installed and working on the Samba AD DC that you are doing this on.You have created any required reverse zones.The computer has been provisioned as an AD DC and the samba, smbd and winbindd daemons are running.The script has now been modified to use samba-tool instead of nsupdate, it also can optionally add the macAddress attribute to a computers AD object, this attribute will contain the computers MAC address. This HowTo is based on a Debian OS install, the paths given may be different if you use another OS. It has now been tested with the Samba AD internal DNS server and BIND9_DLZ. This HowTo describes how to configure isc DHCP to update Samba dns records in AD. 8.1 Configure OMAPI and Define a Secret Key.5 Create a user to carry out the updates.3 Names and Addresses used in this howto.
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