root@1910:~# kinit administrator Password for administrator@TEST.JP: root@1910:~# net ads join -U administrator Enter administrator's password: Using short domain name -- TEST Joined '1910' to dns domain 'test.jp' No DNS domain configured for 1910. Unable to perform DNS Update. DNS update failed: NT_STATUS_INVALID_PARAMETER root@1910:~# systemctl restart winbind root@1910:~# cat /etc/krb5.conf [libdefaults] default_realm = TEST.JP dns_lookup_realm = false dns_lookup_kdc = true [realms] TEST.JP = { Kdc = 1910 } [domain_realm] test.jp = TEST.JP .test.jp = TEST.JP root@1910:~# smbclient -L localhost -U% Sharename Type Comment --------- ---- ------- netlogon Disk sysvol Disk print$ Disk Printer Drivers IPC$ IPC IPC Service (Samba 4.10.7-Ubuntu) Reconnecting with SMB1 for workgroup listing. Server Comment --------- ------- 1910 Samba 4.10.7-Ubuntu DC DC1 DC2 Workgroup Master --------- ------- TEST 1910 WORKGROUP DESKTOP-0NRQL5D root@1910:~# smbclient -L localhost -U% Sharename Type Comment --------- ---- ------- netlogon Disk sysvol Disk print$ Disk Printer Drivers IPC$ IPC IPC Service (Samba 4.10.7-Ubuntu) Reconnecting with SMB1 for workgroup listing. Server Comment --------- ------- 1910 Samba 4.10.7-Ubuntu DC DC1 DC2 Workgroup Master --------- ------- TEST 1910 WORKGROUP DESKTOP-0NRQL5D root@1910:~# 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. 45839013 blocks available smb: \> exit root@1910:~# 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. 45839013 blocks available smb: \> exit root@1910:~# cat /etc/os-release NAME="Ubuntu" VERSION="19.10 (Eoan Ermine)" ID=ubuntu ID_LIKE=debian PRETTY_NAME="Ubuntu 19.10" VERSION_ID="19.10" 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=eoan UBUNTU_CODENAME=eoan root@1910:~# samba -V Version 4.10.7-Ubuntu root@1910:~# host -4 dc dc.test.jp has address 192.168.1.39 dc.test.jp has address 192.168.1.45 dc.test.jp has IPv6 address 2400:4052:46e0:b700:f0b6:ef83:7301:d109 dc.test.jp has IPv6 address 2400:4052:46e0:b700:1911:c150:a1a4:ec24 root@1910:~# 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@1910:~# 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@1910:~# 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@1910:~# host -t SRV _kerberos._udp.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. _kerberos._udp.test.jp has SRV record 0 100 88 dc1.test.jp. root@1910:~# host -t A test.jp test.jp has address 192.168.1.39 test.jp has address 192.168.1.45 test.jp has address 192.168.1.156 test.jp has address 192.168.1.157 root@1910:~# net ads lookup Information for Domain Controller: 192.168.1.45 Response Type: LOGON_SAM_LOGON_RESPONSE_EX GUID: b8cd2c60-af9d-43c4-b653-073f0ec4b4f4 Flags: Is a PDC: yes 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: yes 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: dc.test.jp Pre-Win2k Domain: TEST Pre-Win2k Hostname: DC Server Site Name: Default-First-Site-Name Client Site Name: Default-First-Site-Name NT Version: 5 LMNT Token: ffff LM20 Token: ffff root@1910:~# dig test.jp ; <<>> DiG 9.11.5-P4-5.1ubuntu2.1-Ubuntu <<>> test.jp ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 63446 ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 4, AUTHORITY: 0, ADDITIONAL: 1 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 4000 ; COOKIE: c156b66319204c00 (echoed) ;; QUESTION SECTION: ;test.jp. IN A ;; ANSWER SECTION: test.jp. 600 IN A 192.168.1.156 test.jp. 600 IN A 192.168.1.39 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 16:32:29 JST 2020 ;; MSG SIZE rcvd: 112 root@1910:~# smbclient -L localhost -U% Sharename Type Comment --------- ---- ------- netlogon Disk sysvol Disk print$ Disk Printer Drivers IPC$ IPC IPC Service (Samba 4.10.7-Ubuntu) Reconnecting with SMB1 for workgroup listing. Server Comment --------- ------- 1910 Samba 4.10.7-Ubuntu DC DC1 DC2 Workgroup Master --------- ------- TEST 1910 WORKGROUP DESKTOP-0NRQL5D root@1910:~# wbinfo -t checking the trust secret for domain TEST via RPC calls succeeded root@1910:~# wbinfo -g TEST\domain computers TEST\domain controllers TEST\schema admins TEST\enterprise admins TEST\cert publishers TEST\domain admins TEST\domain users TEST\domain guests TEST\group policy creator owners TEST\ras and ias servers TEST\allowed rodc password replication group TEST\denied rodc password replication group TEST\read-only domain controllers TEST\enterprise read-only domain controllers TEST\cloneable domain controllers TEST\protected users TEST\key admins TEST\enterprise key admins TEST\dnsadmins TEST\dnsupdateproxy root@1910:~# klist Ticket cache: FILE:/tmp/krb5cc_0 Default principal: administrator@TEST.JP Valid starting Expires Service principal 2020-02-05T16:26:05 2020-02-06T02:26:05 krbtgt/TEST.JP@TEST.JP renew until 2020-02-06T16:26:01 root@1910:~# smbclient -L localhost -U% Sharename Type Comment --------- ---- ------- netlogon Disk sysvol Disk print$ Disk Printer Drivers IPC$ IPC IPC Service (Samba 4.10.7-Ubuntu) Reconnecting with SMB1 for workgroup listing. Server Comment --------- ------- 1910 Samba 4.10.7-Ubuntu DC DC1 DC2 Workgroup Master --------- ------- TEST 1910 WORKGROUP DESKTOP-0NRQL5D root@1910:~#