我尝试解决域中新 CentOS 7 (samba 4) 成员服务器的问题。它可以加入域（使用领域命令），但它没有正确响应 smb 查询。我使用 smbclient 程序并将输出与工作服务器和问题服务器进行比较，发现了异常的输出。
我禁用了selinux，禁用了iptables。我确认该主机（lserver）是使用“领域”的域的一部分，它可以 ping DC，名称解析正在工作。
当我使用 -U "MYDOMAIN\administrator" 运行时，它失败：
smbclient -U "MYDOMAIN\administrator" -L lserver -d 10
INFO: Current debug levels:
all: 10
tdb: 10
printdrivers: 10
lanman: 10
smb: 10
rpc_parse: 10
rpc_srv: 10
rpc_cli: 10
passdb: 10
sam: 10
auth: 10
winbind: 10
vfs: 10
idmap: 10
quota: 10
acls: 10
locking: 10
msdfs: 10
dmapi: 10
registry: 10
scavenger: 10
dns: 10
ldb: 10
tevent: 10
lp_load_ex: refreshing parameters
Initialising global parameters
rlimit_max: increasing rlimit_max (1024) to minimum Windows limit (16384)
INFO: Current debug levels:
all: 10
tdb: 10
printdrivers: 10
lanman: 10
smb: 10
rpc_parse: 10
rpc_srv: 10
rpc_cli: 10
passdb: 10
sam: 10
auth: 10
winbind: 10
vfs: 10
idmap: 10
quota: 10
acls: 10
locking: 10
msdfs: 10
dmapi: 10
registry: 10
scavenger: 10
dns: 10
ldb: 10
tevent: 10
Processing section "[global]"
doing parameter security = ads
doing parameter workgroup = MYDOMAIN
doing parameter server string = Linux Server
doing parameter netbios name = lserver
doing parameter log file = /var/log/samba/%m.log
doing parameter max log size = 50
doing parameter log level = 10
doing parameter unix extensions = no
doing parameter load printers = No
doing parameter printcap name = /dev/null
doing parameter dns proxy = No
doing parameter wins server = 172.31.254.31
doing parameter printing = bsd
doing parameter print command = lpr -r -P'%p' %s
doing parameter lpq command = lpq -P'%p'
doing parameter lprm command = lprm -P'%p' %j
doing parameter guest ok = yes
doing parameter interfaces = 172.31.254.38 127.0.0.1
pm_process() returned Yes
lp_servicenumber: couldn't find homes
added interface ens192 ip=172.31.254.38 bcast=172.31.254.255 netmask=255.255.255.0
added interface lo ip=127.0.0.1 bcast=127.255.255.255 netmask=255.0.0.0
Netbios name list:-
my_netbios_names[0]="LSERVER"
Client started (version 4.4.4).
Enter MYDOMAIN\administrator's password:
Opening cache file at /var/lib/samba/gencache.tdb
Opening cache file at /var/lib/samba/lock/gencache_notrans.tdb
sitename_fetch: No stored sitename for
internal_resolve_name: looking up lserver#20 (sitename (null))
name lserver#20 found.
remove_duplicate_addrs2: looking for duplicate address/port pairs
Connecting to 172.31.254.38 at port 445
Socket options:
SO_KEEPALIVE = 0
SO_REUSEADDR = 0
SO_BROADCAST = 0
TCP_NODELAY = 1
TCP_KEEPCNT = 9
TCP_KEEPIDLE = 7200
TCP_KEEPINTVL = 75
IPTOS_LOWDELAY = 0
IPTOS_THROUGHPUT = 0
SO_REUSEPORT = 0
SO_SNDBUF = 2626560
SO_RCVBUF = 1061296
SO_SNDLOWAT = 1
SO_RCVLOWAT = 1
SO_SNDTIMEO = 0
SO_RCVTIMEO = 0
TCP_QUICKACK = 1
TCP_DEFER_ACCEPT = 0
session request ok
Doing spnego session setup (blob length=96)
got OID=1.2.840.48018.1.2.2
got OID=1.2.840.113554.1.2.2
got OID=1.3.6.1.4.1.311.2.2.10
got principal=not_defined_in_RFC4178@please_ignore
GENSEC backend 'gssapi_spnego' registered
GENSEC backend 'gssapi_krb5' registered
GENSEC backend 'gssapi_krb5_sasl' registered
GENSEC backend 'spnego' registered
GENSEC backend 'schannel' registered
GENSEC backend 'naclrpc_as_system' registered
GENSEC backend 'sasl-EXTERNAL' registered
GENSEC backend 'ntlmssp' registered
GENSEC backend 'ntlmssp_resume_ccache' registered
GENSEC backend 'http_basic' registered
GENSEC backend 'http_ntlm' registered
Starting GENSEC mechanism spnego
Starting GENSEC submechanism ntlmssp
negotiate: struct NEGOTIATE_MESSAGE
Signature : 'NTLMSSP'
MessageType : NtLmNegotiate (1)
NegotiateFlags : 0x62088215 (1644724757)
1: NTLMSSP_NEGOTIATE_UNICODE
0: NTLMSSP_NEGOTIATE_OEM
1: NTLMSSP_REQUEST_TARGET
1: NTLMSSP_NEGOTIATE_SIGN
0: NTLMSSP_NEGOTIATE_SEAL
0: NTLMSSP_NEGOTIATE_DATAGRAM
0: NTLMSSP_NEGOTIATE_LM_KEY
0: NTLMSSP_NEGOTIATE_NETWARE
1: NTLMSSP_NEGOTIATE_NTLM
0: NTLMSSP_NEGOTIATE_NT_ONLY
0: NTLMSSP_ANONYMOUS
0: NTLMSSP_NEGOTIATE_OEM_DOMAIN_SUPPLIED
0: NTLMSSP_NEGOTIATE_OEM_WORKSTATION_SUPPLIED
0: NTLMSSP_NEGOTIATE_THIS_IS_LOCAL_CALL
1: NTLMSSP_NEGOTIATE_ALWAYS_SIGN
0: NTLMSSP_TARGET_TYPE_DOMAIN
0: NTLMSSP_TARGET_TYPE_SERVER
0: NTLMSSP_TARGET_TYPE_SHARE
1: NTLMSSP_NEGOTIATE_EXTENDED_SESSIONSECURITY
0: NTLMSSP_NEGOTIATE_IDENTIFY
0: NTLMSSP_REQUEST_NON_NT_SESSION_KEY
0: NTLMSSP_NEGOTIATE_TARGET_INFO
1: NTLMSSP_NEGOTIATE_VERSION
1: NTLMSSP_NEGOTIATE_128
1: NTLMSSP_NEGOTIATE_KEY_EXCH
0: NTLMSSP_NEGOTIATE_56
DomainNameLen : 0x0000 (0)
DomainNameMaxLen : 0x0000 (0)
DomainName : *
DomainName : ''
WorkstationLen : 0x0000 (0)
WorkstationMaxLen : 0x0000 (0)
Workstation : *
Workstation : ''
Version: struct ntlmssp_VERSION
ProductMajorVersion : NTLMSSP_WINDOWS_MAJOR_VERSION_6 (6)
ProductMinorVersion : NTLMSSP_WINDOWS_MINOR_VERSION_1 (1)
ProductBuild : 0x0000 (0)
Reserved: ARRAY(3)
[0] : 0x00 (0)
[1] : 0x00 (0)
[2] : 0x00 (0)
NTLMRevisionCurrent : NTLMSSP_REVISION_W2K3 (15)
Got challenge flags:
Got NTLMSSP neg_flags=0x62898215
NTLMSSP_NEGOTIATE_UNICODE
NTLMSSP_REQUEST_TARGET
NTLMSSP_NEGOTIATE_SIGN
NTLMSSP_NEGOTIATE_NTLM
NTLMSSP_NEGOTIATE_ALWAYS_SIGN
NTLMSSP_TARGET_TYPE_DOMAIN
NTLMSSP_NEGOTIATE_EXTENDED_SESSIONSECURITY
NTLMSSP_NEGOTIATE_TARGET_INFO
NTLMSSP_NEGOTIATE_VERSION
NTLMSSP_NEGOTIATE_128
NTLMSSP_NEGOTIATE_KEY_EXCH
NTLMSSP: Set final flags:
Got NTLMSSP neg_flags=0x62088215
NTLMSSP_NEGOTIATE_UNICODE
NTLMSSP_REQUEST_TARGET
NTLMSSP_NEGOTIATE_SIGN
NTLMSSP_NEGOTIATE_NTLM
NTLMSSP_NEGOTIATE_ALWAYS_SIGN
NTLMSSP_NEGOTIATE_EXTENDED_SESSIONSECURITY
NTLMSSP_NEGOTIATE_VERSION
NTLMSSP_NEGOTIATE_128
NTLMSSP_NEGOTIATE_KEY_EXCH
NTLMSSP Sign/Seal - Initialising with flags:
Got NTLMSSP neg_flags=0x62088215
NTLMSSP_NEGOTIATE_UNICODE
NTLMSSP_REQUEST_TARGET
NTLMSSP_NEGOTIATE_SIGN
NTLMSSP_NEGOTIATE_NTLM
NTLMSSP_NEGOTIATE_ALWAYS_SIGN
NTLMSSP_NEGOTIATE_EXTENDED_SESSIONSECURITY
NTLMSSP_NEGOTIATE_VERSION
NTLMSSP_NEGOTIATE_128
NTLMSSP_NEGOTIATE_KEY_EXCH
SPNEGO login failed: No logon servers
session setup failed: NT_STATUS_NO_LOGON_SERVERS