root@2004:~# kinit administrator Password for administrator@TEST.JP: root@2004:~# net ads join -U administrator Enter administrator's password: Using short domain name -- TEST Joined '2004' to dns domain 'test.jp' No DNS domain configured for 2004. Unable to perform DNS Update. DNS update failed: NT_STATUS_INVALID_PARAMETER root@2004:~# systemctl restart winbind root@2004:~# wbinfo -u guest administrator krbtgt chibi root@2004:~# wbinfo -n chibi S-1-5-21-1678940183-1404043644-1380363875-1103 SID_USER (1) root@2004:~# net ads info LDAP server: 192.168.1.156 LDAP server name: dc1.test.jp Realm: TEST.JP Bind Path: dc=TEST,dc=JP LDAP port: 389 Server time: 水, 05 2月 2020 09:30:10 JST KDC server: 192.168.1.156 Server time offset: 0 Last machine account password change: 水, 05 2月 2020 09:25:33 JST root@2004:~# host -4 dc dc.test.jp has address 192.168.1.45 dc.test.jp has address 192.168.1.39 dc.test.jp has IPv6 address 2400:4052:46e0:b700:1911:c150:a1a4:ec24 dc.test.jp has IPv6 address 2400:4052:46e0:b700:f0b6:ef83:7301:d109 root@2004:~# host -4 dc1 dc1.test.jp has address 192.168.1.156 dc1.test.jp has IPv6 address 2400:4052:46e0:b700:ad7c:4cdc:822b:97d1 root@2004:~# host -4 dc2 dc2.test.jp has address 192.168.1.157 dc2.test.jp has IPv6 address 2400:4052:46e0:b700:98c3:a37e:341c:8589 root@2004:~# smbclient -L localhost -U% Sharename Type Comment --------- ---- ------- netlogon Disk sysvol Disk print$ Disk Printer Drivers IPC$ IPC IPC Service (Samba 4.11.1-Ubuntu) SMB1 disabled -- no workgroup available root@2004:~# smbclient //192.168.1.39/netlogon -Uadministrator Enter TEST\administrator's password: Try "help" to get a list of possible commands. smb: \> ls . D 0 Wed Feb 5 04:33:47 2020 .. D 0 Wed Feb 5 04:33:47 2020 58449919 blocks of size 4096. 45841436 blocks available smb: \> exit root@2004:~# smbclient //192.168.1.39/sysvol -Uadministrator Enter TEST\administrator's password: Try "help" to get a list of possible commands. smb: \> ls . D 0 Wed Feb 5 04:33:47 2020 .. D 0 Wed Feb 5 04:33:47 2020 test.jp D 0 Wed Feb 5 04:33:47 2020 58449919 blocks of size 4096. 45841436 blocks available smb: \> exit root@2004:~# cat /etc/os-release NAME="Ubuntu" VERSION="20.04 LTS (Focal Fossa)" ID=ubuntu ID_LIKE=debian PRETTY_NAME="Ubuntu Focal Fossa (development branch)" VERSION_ID="20.04" HOME_URL="https://www.ubuntu.com/" SUPPORT_URL="https://help.ubuntu.com/" BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/" PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy" VERSION_CODENAME=focal UBUNTU_CODENAME=focal root@2004:~# samba -V Version 4.11.1-Ubuntu root@2004:~# host -t SRV _ldap._tcp.test.jp _ldap._tcp.test.jp has SRV record 0 100 389 dc2.test.jp. _ldap._tcp.test.jp has SRV record 0 100 389 dc.test.jp. _ldap._tcp.test.jp has SRV record 0 100 389 dc1.test.jp. root@2004:~# host -t SRV _kerberos._udp.test.jp _kerberos._udp.test.jp has SRV record 0 100 88 dc1.test.jp. _kerberos._udp.test.jp has SRV record 0 100 88 dc2.test.jp. _kerberos._udp.test.jp has SRV record 0 100 88 dc.test.jp. root@2004:~# host -t A test.jp test.jp has address 192.168.1.156 test.jp has address 192.168.1.39 test.jp has address 192.168.1.45 test.jp has address 192.168.1.157 root@2004:~# smbclient -L localhost -U% Sharename Type Comment --------- ---- ------- netlogon Disk sysvol Disk print$ Disk Printer Drivers IPC$ IPC IPC Service (Samba 4.11.1-Ubuntu) SMB1 disabled -- no workgroup available root@2004:~# net ads lookup Information for Domain Controller: 192.168.1.156 Response Type: LOGON_SAM_LOGON_RESPONSE_EX GUID: b8cd2c60-af9d-43c4-b653-073f0ec4b4f4 Flags: Is a PDC: no Is a GC of the forest: yes Is an LDAP server: yes Supports DS: yes Is running a KDC: yes Is running time services: yes Is the closest DC: yes Is writable: yes Has a hardware clock: no Is a non-domain NC serviced by LDAP server: no Is NT6 DC that has some secrets: no Is NT6 DC that has all secrets: yes Runs Active Directory Web Services: yes Runs on Windows 2012 or later: yes Forest: test.jp Domain: test.jp Domain Controller: dc1.test.jp Pre-Win2k Domain: TEST Pre-Win2k Hostname: DC1 Server Site Name: Default-First-Site-Name Client Site Name: Default-First-Site-Name NT Version: 5 LMNT Token: ffff LM20 Token: ffff root@2004:~# dig test.jp ; <<>> DiG 9.11.14-3ubuntu1-Ubuntu <<>> test.jp ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 21571 ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 4, AUTHORITY: 0, ADDITIONAL: 1 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 4000 ; COOKIE: 6ea15be8cba530c3 (echoed) ;; QUESTION SECTION: ;test.jp. IN A ;; ANSWER SECTION: test.jp. 600 IN A 192.168.1.39 test.jp. 600 IN A 192.168.1.156 test.jp. 600 IN A 192.168.1.157 test.jp. 600 IN A 192.168.1.45 ;; Query time: 0 msec ;; SERVER: 192.168.1.39#53(192.168.1.39) ;; WHEN: 水 2月 05 09:34:13 JST 2020 ;; MSG SIZE rcvd: 112 root@2004:~# klist Ticket cache: FILE:/tmp/krb5cc_0 Default principal: administrator@TEST.JP Valid starting Expires Service principal 2020-02-05T09:25:10 2020-02-05T19:25:10 krbtgt/TEST.JP@TEST.JP renew until 2020-02-06T09:25:06 root@2004:~# wbinfo -t checking the trust secret for domain TEST via RPC calls succeeded root@2004:~# wbinfo -g domain computers cert publishers domain users domain guests ras and ias servers domain admins schema admins enterprise admins group policy creator owners allowed rodc password replication group denied rodc password replication group enterprise read-only domain controllers cloneable domain controllers protected users enterprise key admins key admins read-only domain controllers domain controllers dnsadmins dnsupdateproxy root@2004:~#