root@1804:~# kinit administrator Password for administrator@TEST.JP: root@1804:~# net ads join -U administrator Enter administrator's password: Using short domain name -- TEST Joined '1804' to dns domain 'test.jp' No DNS domain configured for 1804. Unable to perform DNS Update. DNS update failed: NT_STATUS_INVALID_PARAMETER root@1804:~# systemctl restart winbind root@1804:~# wbinfo -u TEST\guest TEST\administrator TEST\krbtgt TEST\chibi root@1804:~# wbinfo -n chibi S-1-5-21-995094434-2370853644-3769685270-1103 SID_USER (1) root@1804:~# net ads info LDAP server: 192.168.1.25 LDAP server name: dc1.test.jp Realm: TEST.JP Bind Path: dc=TEST,dc=JP LDAP port: 389 Server time: 木, 14 1月 2021 17:48:51 JST KDC server: 192.168.1.25 Server time offset: -4 Last machine account password change: 木, 14 1月 2021 17:48:04 JST root@1804:~# host -4 dc dc.test.jp has address 192.168.1.28 dc.test.jp has address 192.168.1.22 dc.test.jp has IPv6 address 2400:4052:46e0:b700:15dc:bd6:5817:24fc dc.test.jp has IPv6 address 2400:4052:46e0:b700:b462:ad0e:dd8c:96f4 root@1804:~# host -4 dc1 dc1.test.jp has address 192.168.1.25 dc1.test.jp has IPv6 address 2400:4052:46e0:b700:c0ac:f44c:e63:2b0 root@1804:~# host -4 dc2 dc2.test.jp has address 192.168.1.27 dc2.test.jp has IPv6 address 2400:4052:46e0:b700:250f:3df1:1c43:8fcd root@1804:~# 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@1804:~# 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@1804:~# host -t A test.jp test.jp has address 192.168.1.22 test.jp has address 192.168.1.25 test.jp has address 192.168.1.28 test.jp has address 192.168.1.27 root@1804:~# cat /etc/os-release NAME="Ubuntu" VERSION="18.04.5 LTS (Bionic Beaver)" ID=ubuntu ID_LIKE=debian PRETTY_NAME="Ubuntu 18.04.5 LTS" VERSION_ID="18.04" 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=bionic UBUNTU_CODENAME=bionic root@1804:~# samba -V Version 4.7.6-Ubuntu root@1804:~# smbclient -L localhost -U% Unknown parameter encountered: "　 password server" Ignoring unknown parameter "　 password server" Sharename Type Comment --------- ---- ------- netlogon Disk sysvol Disk print$ Disk Printer Drivers IPC$ IPC IPC Service (Samba 4.7.6-Ubuntu) Reconnecting with SMB1 for workgroup listing. Server Comment --------- ------- Workgroup Master --------- ------- WORKGROUP PC root@1804:~# net ads lookup Information for Domain Controller: 192.168.1.25 Response Type: LOGON_SAM_LOGON_RESPONSE_EX GUID: c8e0ec6a-8685-4987-934d-94b20f0e089e 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@1804:~# dig test.jp ; <<>> DiG 9.11.3-1ubuntu1.13-Ubuntu <<>> test.jp ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 11882 ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 4, AUTHORITY: 0, ADDITIONAL: 1 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 4000 ;; QUESTION SECTION: ;test.jp. IN A ;; ANSWER SECTION: test.jp. 600 IN A 192.168.1.25 test.jp. 600 IN A 192.168.1.28 test.jp. 600 IN A 192.168.1.27 test.jp. 600 IN A 192.168.1.22 ;; Query time: 0 msec ;; SERVER: 192.168.1.22#53(192.168.1.22) ;; WHEN: Thu Jan 14 17:51:23 JST 2021 ;; MSG SIZE rcvd: 100 root@1804:~# klist Ticket cache: FILE:/tmp/krb5cc_0 Default principal: administrator@TEST.JP Valid starting Expires Service principal 2021-01-14T17:47:35 2021-01-15T03:47:35 krbtgt/TEST.JP@TEST.JP renew until 2021-01-15T17:47:30 root@1804:~# wbinfo -t checking the trust secret for domain TEST via RPC calls succeeded root@1804:~# wbinfo -g TEST\domain computers TEST\cert publishers TEST\domain users TEST\domain guests TEST\ras and ias servers TEST\domain admins TEST\schema admins TEST\enterprise admins TEST\group policy creator owners TEST\allowed rodc password replication group TEST\denied rodc password replication group TEST\enterprise read-only domain controllers TEST\cloneable domain controllers TEST\protected users TEST\enterprise key admins TEST\key admins TEST\read-only domain controllers TEST\domain controllers TEST\dnsadmins TEST\dnsupdateproxy root@1804:~# smbclient //192.168.1.22/netlogon -Uadministrator Enter TEST\administrator's password: Try "help" to get a list of possible commands. smb: \> ls . D 0 Sun Jan 3 10:57:47 2021 .. D 0 Sun Jan 3 10:57:47 2021 124869119 blocks of size 4096. 105984614 blocks available smb: \> exit root@1804:~# smbclient //192.168.1.22/sysvol -Uadministrator Enter TEST\administrator's password: Try "help" to get a list of possible commands. smb: \> ls . D 0 Sun Jan 3 10:57:47 2021 .. D 0 Sun Jan 3 10:57:47 2021 test.jp D 0 Sun Jan 3 10:57:47 2021 124869119 blocks of size 4096. 105984614 blocks available smb: \> exit root@1804:~#