Hi i have done tcpdump against AD ip

*10:21:34.033939 IP kwtpocpbis01.solipa.local.48731 >
kwttestdc001.kwttestdc.com.domain: 39643+ SRV? _ldap._tcp.solipa.local.
(41)*
*10:21:34.034530 IP kwttestdc001.kwttestdc.com.domain >
kwtpocpbis01.solipa.local.48731: 39643 1/0/1 SRV
kwtpocpbis01.solipa.local.:389 0 100 (102)*
*10:21:38.026794 IP kwtpocpbis01.solipa.local.42160 >
kwttestdc001.kwttestdc.com.microsoft-ds: Flags [F.], seq 63944419, ack
521272023, win 165, options [nop,nop,TS val 6918912 ecr 248450971], length
0*
*10:21:38.027095 IP kwttestdc001.kwttestdc.com.microsoft-ds >
kwtpocpbis01.solipa.local.42160: Flags [.], ack 1, win 511, options
[nop,nop,TS val 248822622 ecr 6918912], length 0*
*10:21:38.027517 IP kwttestdc001.kwttestdc.com.microsoft-ds >
kwtpocpbis01.solipa.local.42160: Flags [R.], seq 1, ack 1, win 0, length 0*
*10:21:38.031732 IP kwtpocpbis01.solipa.local.34108 >
kwttestdc001.kwttestdc.com.domain: 6437+ SRV? _ldap._tcp.kwttestdc.com
<http://tcp.kwttestdc.com>. (42)*
*10:21:38.032554 IP kwttestdc001.kwttestdc.com.domain >
kwtpocpbis01.solipa.local.34108: 6437* 1/0/1 SRV
kwttestdc001.kwttestdc.com.:389 0 100 (104)*
*10:21:38.032827 IP kwtpocpbis01.solipa.local.48294 >
kwttestdc001.kwttestdc.com.domain: 64621+ AAAA? kwttestdc001.kwttestdc.com
<http://kwttestdc001.kwttestdc.com>. (44)*
*10:21:38.033191 IP kwttestdc001.kwttestdc.com.domain >
kwtpocpbis01.solipa.local.48294: 64621* 0/1/0 (91)*
*10:21:38.033268 IP kwtpocpbis01.solipa.local.39812 >
kwttestdc001.kwttestdc.com.domain: 7211+ AAAA? kwttestdc001.kwttestdc.com
<http://kwttestdc001.kwttestdc.com>. (44)*
*10:21:38.033797 IP kwttestdc001.kwttestdc.com.domain >
kwtpocpbis01.solipa.local.39812: 7211* 0/1/0 (91)*
*10:21:38.033836 IP kwtpocpbis01.solipa.local.37700 >
kwttestdc001.kwttestdc.com.domain: 48543+ A? kwttestdc001.kwttestdc.com
<http://kwttestdc001.kwttestdc.com>. (44)*
*10:21:38.034193 IP kwttestdc001.kwttestdc.com.domain >
kwtpocpbis01.solipa.local.37700: 48543* 1/0/0 A 172.16.104.231 (60)*
*10:21:38.035587 IP kwtpocpbis01.solipa.local.48384 >
kwttestdc001.kwttestdc.com.ldap: UDP, length 82*
*10:21:38.035925 IP kwttestdc001.kwttestdc.com.ldap >
kwtpocpbis01.solipa.local.48384: UDP, length 188*
*10:21:38.037107 IP kwtpocpbis01.solipa.local.44461 >
kwttestdc001.kwttestdc.com.ldap: Flags [S], seq 2172952938, win 14600,
options [mss 1460,sackOK,TS val 6918922 ecr 0,nop,wscale 7], length 0*
*10:21:38.037577 IP kwttestdc001.kwttestdc.com.ldap >
kwtpocpbis01.solipa.local.44461: Flags [S.], seq 4067674102, ack
2172952939, win 8192, options [mss 1460,nop,wscale 8,sackOK,TS val
248822623 ecr 6918922], length 0*
*10:21:38.037594 IP kwtpocpbis01.solipa.local.44461 >
kwttestdc001.kwttestdc.com.ldap: Flags [.], ack 1, win 115, options
[nop,nop,TS val 6918922 ecr 248822623], length 0*
*10:21:38.037627 IP kwtpocpbis01.solipa.local.44461 >
kwttestdc001.kwttestdc.com.ldap: Flags [P.], seq 1:75, ack 1, win 115,
options [nop,nop,TS val 6918922 ecr 248822623], length 74*
*10:21:38.038501 IP kwttestdc001.kwttestdc.com.ldap >
kwtpocpbis01.solipa.local.44461: Flags [.], seq 1:1449, ack 75, win 514,
options [nop,nop,TS val 248822623 ecr 6918922], length 1448*
*10:21:38.038520 IP kwtpocpbis01.solipa.local.44461 >
kwttestdc001.kwttestdc.com.ldap: Flags [.], ack 1449, win 137, options
[nop,nop,TS val 6918923 ecr 248822623], length 0*
*10:21:38.038526 IP kwttestdc001.kwttestdc.com.ldap >
kwtpocpbis01.solipa.local.44461: Flags [.], seq 1449:2897, ack 75, win 514,
options [nop,nop,TS val 248822623 ecr 6918922], length 1448*
*10:21:38.038534 IP kwtpocpbis01.solipa.local.44461 >
kwttestdc001.kwttestdc.com.ldap: Flags [.], ack 2897, win 160, options
[nop,nop,TS val 6918923 ecr 248822623], length 0*
*10:21:38.038703 IP kwttestdc001.kwttestdc.com.ldap >
kwtpocpbis01.solipa.local.44461: Flags [P.], seq 2897:3228, ack 75, win
514, options [nop,nop,TS val 248822623 ecr 6918923], length 331*
*10:21:38.038711 IP kwtpocpbis01.solipa.local.44461 >
kwttestdc001.kwttestdc.com.ldap: Flags [.], ack 3228, win 182, options
[nop,nop,TS val 6918924 ecr 248822623], length 0*
*10:21:38.039039 IP kwtpocpbis01.solipa.local.44461 >
kwttestdc001.kwttestdc.com.ldap: Flags [P.], seq 75:117, ack 3228, win 182,
options [nop,nop,TS val 6918924 ecr 248822623], length 42*
*10:21:38.039055 IP kwtpocpbis01.solipa.local.44461 >
kwttestdc001.kwttestdc.com.ldap: Flags [F.], seq 117, ack 3228, win 182,
options [nop,nop,TS val 6918924 ecr 248822623], length 0*
*10:21:38.039383 IP kwttestdc001.kwttestdc.com.ldap >
kwtpocpbis01.solipa.local.44461: Flags [.], ack 118, win 514, options
[nop,nop,TS val 248822623 ecr 6918924], length 0*
*10:21:38.039406 IP kwttestdc001.kwttestdc.com.ldap >
kwtpocpbis01.solipa.local.44461: Flags [R.], seq 3228, ack 118, win 0,
length 0*
*10:21:38.042568 IP kwtpocpbis01.solipa.local.42260 >
kwttestdc001.kwttestdc.com.microsoft-ds: Flags [S], seq 3200525455, win
14600, options [mss 1460,sackOK,TS val 6918927 ecr 0,nop,wscale 7], length
0*
*10:21:38.042810 IP kwttestdc001.kwttestdc.com.microsoft-ds >
kwtpocpbis01.solipa.local.42260: Flags [S.], seq 2793269455, ack
3200525456, win 8192, options [mss 1460,nop,wscale 8,sackOK,TS val
248822624 ecr 6918927], length 0*
*10:21:38.042829 IP kwtpocpbis01.solipa.local.42260 >
kwttestdc001.kwttestdc.com.microsoft-ds: Flags [.], ack 1, win 115, options
[nop,nop,TS val 6918928 ecr 248822624], length 0*
*10:21:38.043374 IP kwtpocpbis01.solipa.local.42260 >
kwttestdc001.kwttestdc.com.microsoft-ds: Flags [P.], seq 1:195, ack 1, win
115, options [nop,nop,TS val 6918928 ecr 248822624], length 194SMB PACKET:
SMBnegprot (REQUEST)*

*10:21:38.043903 IP kwttestdc001.kwttestdc.com.microsoft-ds >
kwtpocpbis01.solipa.local.42260: Flags [P.], seq 1:210, ack 195, win 514,
options [nop,nop,TS val 248822624 ecr 6918928], length 209SMB PACKET:
SMBnegprot (REPLY)*

*10:21:38.043919 IP kwtpocpbis01.solipa.local.42260 >
kwttestdc001.kwttestdc.com.microsoft-ds: Flags [.], ack 210, win 123,
options [nop,nop,TS val 6918929 ecr 248822624], length 0*
*10:21:38.044868 IP kwtpocpbis01.solipa.local.42260 >
kwttestdc001.kwttestdc.com.microsoft-ds: Flags [P.], seq 195:387, ack 210,
win 123, options [nop,nop,TS val 6918930 ecr 248822624], length 192SMB
PACKET: SMBsesssetupX (REQUEST)*

*10:21:38.045203 IP kwttestdc001.kwttestdc.com.microsoft-ds >
kwtpocpbis01.solipa.local.42260: Flags [P.], seq 210:732, ack 387, win 513,
options [nop,nop,TS val 248822624 ecr 6918930], length 522SMB PACKET:
SMBsesssetupX (REPLY)*

*10:21:38.045770 IP kwtpocpbis01.solipa.local.42260 >
kwttestdc001.kwttestdc.com.microsoft-ds: Flags [P.], seq 387:905, ack 732,
win 131, options [nop,nop,TS val 6918931 ecr 248822624], length 518SMB
PACKET: SMBsesssetupX (REQUEST)*

*10:21:38.047195 IP kwttestdc001.kwttestdc.com.microsoft-ds >
kwtpocpbis01.solipa.local.42260: Flags [P.], seq 732:972, ack 905, win 511,
options [nop,nop,TS val 248822624 ecr 6918931], length 240SMB PACKET:
SMBsesssetupX (REPLY)*

*10:21:38.047568 IP kwtpocpbis01.solipa.local.42260 >
kwttestdc001.kwttestdc.com.microsoft-ds: Flags [P.], seq 905:1027, ack 972,
win 140, options [nop,nop,TS val 6918932 ecr 248822624], length 122SMB
PACKET: SMBtconX (REQUEST)*

*10:21:38.047985 IP kwttestdc001.kwttestdc.com.microsoft-ds >
kwtpocpbis01.solipa.local.42260: Flags [P.], seq 972:1032, ack 1027, win
511, options [nop,nop,TS val 248822624 ecr 6918932], length 60SMB PACKET:
SMBtconX (REPLY)*

*10:21:38.048235 IP kwtpocpbis01.solipa.local.42260 >
kwttestdc001.kwttestdc.com.microsoft-ds: Flags [P.], seq 1027:1131, ack
1032, win 140, options [nop,nop,TS val 6918933 ecr 248822624], length
104SMB PACKET: SMBntcreateX (REQUEST)*

*10:21:38.048698 IP kwttestdc001.kwttestdc.com.microsoft-ds >
kwtpocpbis01.solipa.local.42260: Flags [P.], seq 1032:1139, ack 1131, win
511, options [nop,nop,TS val 248822624 ecr 6918933], length 107SMB PACKET:
SMBntcreateX (REPLY)*

*10:21:38.048989 IP kwtpocpbis01.solipa.local.42260 >
kwttestdc001.kwttestdc.com.microsoft-ds: Flags [P.], seq 1131:1291, ack
1139, win 140, options [nop,nop,TS val 6918934 ecr 248822624], length
160SMB PACKET: SMBtrans (REQUEST)*

*10:21:38.049378 IP kwttestdc001.kwttestdc.com.microsoft-ds >
kwtpocpbis01.solipa.local.42260: Flags [P.], seq 1139:1267, ack 1291, win
510, options [nop,nop,TS val 248822624 ecr 6918934], length 128SMB PACKET:
SMBtrans (REPLY)*

*10:21:38.050552 IP kwtpocpbis01.solipa.local.42260 >
kwttestdc001.kwttestdc.com.microsoft-ds: Flags [P.], seq 1291:1459, ack
1267, win 148, options [nop,nop,TS val 6918935 ecr 248822624], length
168SMB PACKET: SMBtrans (REQUEST)*

*10:21:38.050950 IP kwttestdc001.kwttestdc.com.microsoft-ds >
kwtpocpbis01.solipa.local.42260: Flags [P.], seq 1267:1375, ack 1459, win
509, options [nop,nop,TS val 248822625 ecr 6918935], length 108SMB PACKET:
SMBtrans (REPLY)*

*10:21:38.051805 IP kwtpocpbis01.solipa.local.42260 >
kwttestdc001.kwttestdc.com.microsoft-ds: Flags [P.], seq 1459:1593, ack
1375, win 148, options [nop,nop,TS val 6918937 ecr 248822625], length
134SMB PACKET: SMBtrans (REQUEST)*

*10:21:38.052072 IP kwttestdc001.kwttestdc.com.microsoft-ds >
kwtpocpbis01.solipa.local.42260: Flags [P.], seq 1375:1655, ack 1593, win
509, options [nop,nop,TS val 248822625 ecr 6918937], length 280SMB PACKET:
SMBtrans (REPLY)*

*10:21:38.053560 IP kwtpocpbis01.solipa.local.42260 >
kwttestdc001.kwttestdc.com.microsoft-ds: Flags [P.], seq 1593:1727, ack
1655, win 156, options [nop,nop,TS val 6918938 ecr 248822625], length
134SMB PACKET: SMBtrans (REQUEST)*

*10:21:38.053875 IP kwttestdc001.kwttestdc.com.microsoft-ds >
kwtpocpbis01.solipa.local.42260: Flags [P.], seq 1655:1755, ack 1727, win
514, options [nop,nop,TS val 248822625 ecr 6918938], length 100SMB PACKET:
SMBtrans (REPLY)*

*10:21:38.060487 IP kwtpocpbis01.solipa.local.42260 >
kwttestdc001.kwttestdc.com.microsoft-ds: Flags [P.], seq 1727:1905, ack
1755, win 156, options [nop,nop,TS val 6918945 ecr 248822625], length
178SMB PACKET: SMBtrans (REQUEST)*

*10:21:38.061143 IP kwttestdc001.kwttestdc.com.microsoft-ds >
kwtpocpbis01.solipa.local.42260: Flags [P.], seq 1755:1999, ack 1905, win
514, options [nop,nop,TS val 248822626 ecr 6918945], length 244SMB PACKET:
SMBtrans (REPLY)*

*10:21:38.063073 IP kwtpocpbis01.solipa.local.42260 >
kwttestdc001.kwttestdc.com.microsoft-ds: Flags [P.], seq 1905:2065, ack
1999, win 165, options [nop,nop,TS val 6918948 ecr 248822626], length
160SMB PACKET: SMBtrans (REQUEST)*

*10:21:38.069191 IP kwttestdc001.kwttestdc.com.microsoft-ds >
kwtpocpbis01.solipa.local.42260: Flags [P.], seq 1999:2087, ack 2065, win
513, options [nop,nop,TS val 248822626 ecr 6918948], length 88SMB PACKET:
SMBtrans (REPLY)*

*10:21:38.088743 IP kwtpocpbis01.solipa.local.42260 >
kwttestdc001.kwttestdc.com.microsoft-ds: Flags [P.], seq 2065:3421, ack
2087, win 165, options [nop,nop,TS val 6918974 ecr 248822626], length
1356SMB PACKET: SMBtrans (REQUEST)*

*10:21:38.203820 IP kwttestdc001.kwttestdc.com.microsoft-ds >
kwtpocpbis01.solipa.local.42260: Flags [P.], seq 2087:2195, ack 3421, win
514, options [nop,nop,TS val 248822640 ecr 6918974], length 108SMB PACKET:
SMBtrans (REPLY)*

*10:21:38.205063 IP kwtpocpbis01.solipa.local.42260 >
kwttestdc001.kwttestdc.com.microsoft-ds: Flags [P.], seq 3421:3601, ack
2195, win 165, options [nop,nop,TS val 6919090 ecr 248822640], length
180SMB PACKET: SMBtrans (REQUEST)*

*10:21:38.205715 IP kwttestdc001.kwttestdc.com.microsoft-ds >
kwtpocpbis01.solipa.local.42260: Flags [P.], seq 2195:2303, ack 3601, win
514, options [nop,nop,TS val 248822640 ecr 6919090], length 108SMB PACKET:
SMBtrans (REPLY)*

*10:21:38.206634 IP kwtpocpbis01.solipa.local.42260 >
kwttestdc001.kwttestdc.com.microsoft-ds: Flags [P.], seq 3601:3741, ack
2303, win 165, options [nop,nop,TS val 6919092 ecr 248822640], length
140SMB PACKET: SMBtrans (REQUEST)*

*10:21:38.209567 IP kwttestdc001.kwttestdc.com.microsoft-ds >
kwtpocpbis01.solipa.local.42260: Flags [P.], seq 2303:2391, ack 3741, win
513, options [nop,nop,TS val 248822640 ecr 6919092], length 88SMB PACKET:
SMBtrans (REPLY)*

*10:21:38.210883 IP kwtpocpbis01.solipa.local.42260 >
kwttestdc001.kwttestdc.com.microsoft-ds: Flags [P.], seq 3741:3997, ack
2391, win 165, options [nop,nop,TS val 6919096 ecr 248822640], length
256SMB PACKET: SMBtrans (REQUEST)*

*10:21:38.290133 IP kwttestdc001.kwttestdc.com.microsoft-ds >
kwtpocpbis01.solipa.local.42260: Flags [P.], seq 2391:2479, ack 3997, win
512, options [nop,nop,TS val 248822647 ecr 6919096], length 88SMB PACKET:
SMBtrans (REPLY)*

*10:21:38.291716 IP kwtpocpbis01.solipa.local.42260 >
kwttestdc001.kwttestdc.com.microsoft-ds: Flags [P.], seq 3997:4262, ack
2479, win 165, options [nop,nop,TS val 6919177 ecr 248822647], length
265SMB PACKET: SMBtrans (REQUEST)*

*10:21:38.294583 IP kwttestdc001.kwttestdc.com.microsoft-ds >
kwtpocpbis01.solipa.local.42260: Flags [P.], seq 2479:2571, ack 4262, win
511, options [nop,nop,TS val 248822649 ecr 6919177], length 92SMB PACKET:
SMBtrans (REPLY)*

*10:21:38.333630 IP kwtpocpbis01.solipa.local.42260 >
kwttestdc001.kwttestdc.com.microsoft-ds: Flags [.], ack 2571, win 165,
options [nop,nop,TS val 6919219 ecr 248822649], length 0*
*10:21:38.713471 IP kwtpocpbis01.solipa.local.42261 >
kwttestdc001.kwttestdc.com.microsoft-ds: Flags [S], seq 1205005628, win
14600, options [mss 1460,sackOK,TS val 6919598 ecr 0,nop,wscale 7], length
0*
*10:21:38.713838 IP kwttestdc001.kwttestdc.com.microsoft-ds >
kwtpocpbis01.solipa.local.42261: Flags [S.], seq 3996989028, ack
1205005629, win 8192, options [mss 1460,nop,wscale 8,sackOK,TS val
248822691 ecr 6919598], length 0*
*10:21:38.713861 IP kwtpocpbis01.solipa.local.42261 >
kwttestdc001.kwttestdc.com.microsoft-ds: Flags [.], ack 1, win 115, options
[nop,nop,TS val 6919599 ecr 248822691], length 0*
*10:21:38.714196 IP kwtpocpbis01.solipa.local.42261 >
kwttestdc001.kwttestdc.com.microsoft-ds: Flags [P.], seq 1:195, ack 1, win
115, options [nop,nop,TS val 6919599 ecr 248822691], length 194SMB PACKET:
SMBnegprot (REQUEST)*

*10:21:38.714773 IP kwttestdc001.kwttestdc.com.microsoft-ds >
kwtpocpbis01.solipa.local.42261: Flags [P.], seq 1:210, ack 195, win 514,
options [nop,nop,TS val 248822691 ecr 6919599], length 209SMB PACKET:
SMBnegprot (REPLY)*

*10:21:38.714787 IP kwtpocpbis01.solipa.local.42261 >
kwttestdc001.kwttestdc.com.microsoft-ds: Flags [.], ack 210, win 123,
options [nop,nop,TS val 6919600 ecr 248822691], length 0*
*10:21:38.715561 IP kwtpocpbis01.solipa.local.42261 >
kwttestdc001.kwttestdc.com.microsoft-ds: Flags [P.], seq 195:387, ack 210,
win 123, options [nop,nop,TS val 6919600 ecr 248822691], length 192SMB
PACKET: SMBsesssetupX (REQUEST)*

*10:21:38.715981 IP kwttestdc001.kwttestdc.com.microsoft-ds >
kwtpocpbis01.solipa.local.42261: Flags [P.], seq 210:732, ack 387, win 513,
options [nop,nop,TS val 248822691 ecr 6919600], length 522SMB PACKET:
SMBsesssetupX (REPLY)*

*10:21:38.716465 IP kwtpocpbis01.solipa.local.42261 >
kwttestdc001.kwttestdc.com.microsoft-ds: Flags [P.], seq 387:905, ack 732,
win 131, options [nop,nop,TS val 6919601 ecr 248822691], length 518SMB
PACKET: SMBsesssetupX (REQUEST)*

*10:21:38.718165 IP kwttestdc001.kwttestdc.com.microsoft-ds >
kwtpocpbis01.solipa.local.42261: Flags [P.], seq 732:972, ack 905, win 511,
options [nop,nop,TS val 248822691 ecr 6919601], length 240SMB PACKET:
SMBsesssetupX (REPLY)*

*10:21:38.718455 IP kwtpocpbis01.solipa.local.42261 >
kwttestdc001.kwttestdc.com.microsoft-ds: Flags [P.], seq 905:1027, ack 972,
win 140, options [nop,nop,TS val 6919603 ecr 248822691], length 122SMB
PACKET: SMBtconX (REQUEST)*

*10:21:38.718773 IP kwttestdc001.kwttestdc.com.microsoft-ds >
kwtpocpbis01.solipa.local.42261: Flags [P.], seq 972:1032, ack 1027, win
511, options [nop,nop,TS val 248822691 ecr 6919603], length 60SMB PACKET:
SMBtconX (REPLY)*

*10:21:38.719028 IP kwtpocpbis01.solipa.local.42261 >
kwttestdc001.kwttestdc.com.microsoft-ds: Flags [P.], seq 1027:1135, ack
1032, win 140, options [nop,nop,TS val 6919604 ecr 248822691], length
108SMB PACKET: SMBntcreateX (REQUEST)*

*10:21:38.719404 IP kwttestdc001.kwttestdc.com.microsoft-ds >
kwtpocpbis01.solipa.local.42261: Flags [P.], seq 1032:1139, ack 1135, win
511, options [nop,nop,TS val 248822691 ecr 6919604], length 107SMB PACKET:
SMBntcreateX (REPLY)*

*10:21:38.719791 IP kwtpocpbis01.solipa.local.42261 >
kwttestdc001.kwttestdc.com.microsoft-ds: Flags [P.], seq 1135:1295, ack
1139, win 140, options [nop,nop,TS val 6919605 ecr 248822691], length
160SMB PACKET: SMBtrans (REQUEST)*

*10:21:38.720098 IP kwttestdc001.kwttestdc.com.microsoft-ds >
kwtpocpbis01.solipa.local.42261: Flags [P.], seq 1139:1267, ack 1295, win
510, options [nop,nop,TS val 248822691 ecr 6919605], length 128SMB PACKET:
SMBtrans (REPLY)*

*10:21:38.720995 IP kwtpocpbis01.solipa.local.42261 >
kwttestdc001.kwttestdc.com.microsoft-ds: Flags [P.], seq 1295:1465, ack
1267, win 148, options [nop,nop,TS val 6919606 ecr 248822691], length
170SMB PACKET: SMBtrans (REQUEST)*

*10:21:38.721306 IP kwttestdc001.kwttestdc.com.microsoft-ds >
kwtpocpbis01.solipa.local.42261: Flags [P.], seq 1267:1395, ack 1465, win
509, options [nop,nop,TS val 248822692 ecr 6919606], length 128SMB PACKET:
SMBtrans (REPLY)*

*10:21:38.722086 IP kwtpocpbis01.solipa.local.42261 >
kwttestdc001.kwttestdc.com.microsoft-ds: Flags [F.], seq 1465, ack 1395,
win 156, options [nop,nop,TS val 6919607 ecr 248822692], length 0*
*10:21:38.722665 IP kwttestdc001.kwttestdc.com.microsoft-ds >
kwtpocpbis01.solipa.local.42261: Flags [.], ack 1466, win 509, options
[nop,nop,TS val 248822692 ecr 6919607], length 0*
*10:21:38.722735 IP kwttestdc001.kwttestdc.com.microsoft-ds >
kwtpocpbis01.solipa.local.42261: Flags [R.], seq 1395, ack 1466, win 0,
length 0*



On Wed, Mar 4, 2015 at 10:07 AM, Alexander Bokovoy <aboko...@redhat.com>
wrote:

> On Wed, 04 Mar 2015, Ben .T.George wrote:
>
>> HI
>>
>> i have re-installed IPA with latest 4.1 version.
>>
>> installed packages by using
>> https://copr.fedoraproject.org/coprs/mkosek/freeipa/ repos
>>
>> # ipa-server-install went successfully without any error an it says the
>> same on log files
>>
>> *[root@kwtpocpbis01 ~]# kinit admin*
>> *Password for admin@SOLIPA.LOCAL:*
>> *[root@kwtpocpbis01 ~]# klist*
>> *Ticket cache: KEYRING:persistent:0:0*
>> *Default principal: admin@SOLIPA.LOCAL*
>>
>> *Valid starting       Expires              Service principal*
>> *03/04/2015 08:36:55  03/05/2015 08:36:51  krbtgt/SOLIPA.LOCAL@SOLIPA.
>> LOCAL*
>> *[root@kwtpocpbis01 ~]# geten*
>> *getenforce  getent*
>> *[root@kwtpocpbis01 ~]# getent passwd admin*
>> *admin:*:4400000:4400000:Administrator:/home/admin:/bin/bash*
>>
>>
>> *# ipa-adtrust-install --netbios-name=SOLIPA -a Passw0rd* also
>> successfully
>> went .
>>
>> DNS is working fine as expected.
>>
>> *[root@kwtpocpbis01 ~]# dig SRV _ldap._tcp.kwttestdc.com
>> <http://tcp.kwttestdc.com>*
>>
>> *; <<>> DiG 9.9.4-RedHat-9.9.4-20.el7.centos.pkcs11 <<>> SRV
>> _ldap._tcp.kwttestdc.com <http://tcp.kwttestdc.com>*
>> *;; global options: +cmd*
>> *;; Got answer:*
>> *;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 26944*
>> *;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 2*
>>
>> *;; OPT PSEUDOSECTION:*
>> *; EDNS: version: 0, flags:; udp: 4000*
>> *;; QUESTION SECTION:*
>> *;_ldap._tcp.kwttestdc.com <http://tcp.kwttestdc.com>.      IN      SRV*
>>
>> *;; ANSWER SECTION:*
>> *_ldap._tcp.kwttestdc.com <http://tcp.kwttestdc.com>. 600   IN      SRV
>> 0 100 389 kwttestdc001.kwttestdc.com <http://kwttestdc001.kwttestdc.com
>> >.*
>>
>> *;; ADDITIONAL SECTION:*
>> *kwttestdc001.kwttestdc.com <http://kwttestdc001.kwttestdc.com>. 3600 IN
>>  A       172.16.104.231*
>>
>> *;; Query time: 0 msec*
>> *;; SERVER: 172.16.104.231#53(172.16.104.231)*
>> *;; WHEN: Wed Mar 04 08:41:26 AST 2015*
>> *;; MSG SIZE  rcvd: 115*
>>
>> *[root@kwtpocpbis01 ~]# dig SRV _ldap._tcp.solipa.local*
>>
>> *; <<>> DiG 9.9.4-RedHat-9.9.4-20.el7.centos.pkcs11 <<>> SRV
>> _ldap._tcp.solipa.local*
>> *;; global options: +cmd*
>> *;; Got answer:*
>> *;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 6196*
>> *;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 2*
>>
>> *;; OPT PSEUDOSECTION:*
>> *; EDNS: version: 0, flags:; udp: 4000*
>> *;; QUESTION SECTION:*
>> *;_ldap._tcp.solipa.local.       IN      SRV*
>>
>> *;; ANSWER SECTION:*
>> *_ldap._tcp.solipa.local. 11944  IN      SRV     0 100 389
>> kwtpocpbis01.solipa.local.*
>>
>> *;; ADDITIONAL SECTION:*
>> *kwtpocpbis01.solipa.local. 1200 IN      A       172.16.107.244*
>>
>> *;; Query time: 2 msec*
>> *;; SERVER: 172.16.104.231#53(172.16.104.231)*
>> *;; WHEN: Wed Mar 04 08:41:34 AST 2015*
>> *;; MSG SIZE  rcvd: 113*
>>
>> But when i try to trust add AD, i am getting error
>>
>> [root@kwtpocpbis01 ~]# ipa trust-add --type=ad kwttestdc.com --admin
>> adm-ben.george --password
>> Active Directory domain administrator's password:
>> ipa: ERROR: AD DC was unable to reach any IPA domain controller. Most
>> likely it is a DNS or firewall issue
>>
>> I checked from firewall status on both IPA and AD, and it was in off
>> state.
>>
> You really need to find out what is wrong between AD and IPA. The
> message above is based on what AD DC reports back to IPA when it tried
> to validate the trust and was not able to contact IPA DCs.
>
> We cannot influence ourselves this part, as AD DC uses SRV records in
> DNS to find out which domain controller to contact and if it fails to
> contact us for any reason (firewall, DNS is broken from AD DC
> perspective, routing brings it to a different IP address, etc), it will
> complain like that and never proceed.
>
> You may try to run tcpdump or wireshark and see what happens on the
> network at the time of 'ipa trust-add', specifically, whom AD DC is
> talking to and where it takes a DNS record.
>
> --
> / Alexander Bokovoy
>
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