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RDP Direct Connection with NLA RDS Session Host Network Trace

Summary:

This article contains network traces from server machine for the Remote Desktop Protocol connection sequence for a direct connection (not through an RDS Gateway) from client machine. See parent articles [[articles:Remote Desktop Services RDS Logon Connectivity Overview]] and [[articles:RDP Direct Connection Process with NLA Enabled]] for additional information.

RDS Server relevant network traces  (Ephemeral traffic excluded)

Client connects to RDS server TCP / UDP 3389

Time Of Day

TCP Frame Flags

Source

Source Port

Destination

Destination Port

Protocol

Description

21:20:33.221

 

RDS Server

56207 (0xDB8F)

AD Server

53 (0x35)

DNS

DNS:QueryId = 0x389B, QUERY (Standard query), Query  for isatap.rds-ms.b2.internal.cloudapp.net of type Host Addr on class Internet

21:20:33.228

 

AD Server

53 (0x35)

RDS Server

56207 (0xDB8F)

DNS

DNS:QueryId = 0x389B, QUERY (Standard query), Response - Name Error

21:20:33.706

Connected

RDS Server

50049 (0xC381)

AD Server

445 (0x1BD)

TCP

TCP: [Bad CheckSum]Flags=CE....S., SrcPort=50049, DstPort=Microsoft-DS(445), PayloadLen=0, Seq=168657069, Ack=0, Win=8192 ( Negotiating scale factor 0x8 ) = 8192

21:20:44.986

Disconnected

RDS Server

50049 (0xC381)

AD Server

445 (0x1BD)

TCP

TCP: [Bad CheckSum]Flags=...A.R.., SrcPort=50049, DstPort=Microsoft-DS(445), PayloadLen=0, Seq=168661087, Ack=225417990, Win=0 (scale factor 0x8) = 0

21:21:05.595

Connected

RDS Client

49964 (0xC32C)

RDS Server

3389 (0xD3D)

TCP

TCP:Flags=CE....S., SrcPort=49964, DstPort=MS WBT Server(3389), PayloadLen=0, Seq=2744352433, Ack=0, Win=8192 ( Negotiating scale factor 0x8 ) = 8192

21:21:05.603

Connected

RDS Client

49964 (0xC32C)

RDS Server

3389 (0xD3D)

X224

X224:Connection Request

21:21:05.608

Connected

RDS Server

3389 (0xD3D)

RDS Client

49964 (0xC32C)

X224

X224:Connection Confirm

21:21:11.849

 

RDS Client

56532 (0xDCD4)

RDS Server

3389 (0xD3D)

UDP

UDP:SrcPort = 56532, DstPort = MS WBT Server(3389), Length = 1240

21:21:11.849

 

RDS Server

3389 (0xD3D)

RDS Client

56532 (0xDCD4)

UDP

UDP:SrcPort = MS WBT Server(3389), DstPort = 56532, Length = 1240

21:21:11.849

 

RDS Client

56533 (0xDCD5)

RDS Server

3389 (0xD3D)

UDP

UDP:SrcPort = 56533, DstPort = MS WBT Server(3389), Length = 1240

21:21:11.849

 

RDS Server

3389 (0xD3D)

RDS Client

56533 (0xDCD5)

UDP

UDP:SrcPort = MS WBT Server(3389), DstPort = 56533, Length = 1240

 

RDS server queries AD using LDAP 389 for user authentication

Time Of Day

TCP Frame Flags

Source

Source Port

Destination

Destination Port

Protocol

Description

21:21:11.833

Connected

RDS Server

50053 (0xC385)

AD Server

389 (0x185)

TCP

TCP: [Bad CheckSum]Flags=CE....S., SrcPort=50053, DstPort=LDAP(389), PayloadLen=0, Seq=2169720513, Ack=0, Win=8192 ( Negotiating scale factor 0x8 ) = 8192

21:21:11.851

FinWait1

RDS Server

50053 (0xC385)

AD Server

389 (0x185)

TCP

TCP: [Bad CheckSum]Flags=...A...F, SrcPort=50053, DstPort=LDAP(389), PayloadLen=0, Seq=2169722726, Ack=4020713640, Win=4121 (scale factor 0x8) = 1054976

21:21:11.853

Connected

RDS Server

50054 (0xC386)

AD Server

389 (0x185)

TCP

TCP: [Bad CheckSum]Flags=CE....S., SrcPort=50054, DstPort=LDAP(389), PayloadLen=0, Seq=2209074247, Ack=0, Win=8192 ( Negotiating scale factor 0x8 ) = 8192

21:21:11.909

Connected

RDS Server

50055 (0xC387)

AD Server

389 (0x185)

TCP

TCP: [Bad CheckSum]Flags=CE....S., SrcPort=50055, DstPort=LDAP(389), PayloadLen=0, Seq=2954111449, Ack=0, Win=8192 ( Negotiating scale factor 0x8 ) = 8192

21:21:11.940

FinWait1

RDS Server

50055 (0xC387)

AD Server

389 (0x185)

TCP

TCP: [Bad CheckSum]Flags=...A...F, SrcPort=50055, DstPort=LDAP(389), PayloadLen=0, Seq=2954113704, Ack=4031538628, Win=4121 (scale factor 0x8) = 1054976

21:21:11.942

FinWait1

RDS Server

50054 (0xC386)

AD Server

389 (0x185)

TCP

TCP: [Bad CheckSum]Flags=...A...F, SrcPort=50054, DstPort=LDAP(389), PayloadLen=0, Seq=2209076479, Ack=3154907558, Win=4119 (scale factor 0x8) = 1054464

 

RDS server connects to license server over RPC 135

Time Of Day

TCP Frame Flags

Source

Source Port

Destination

Destination Port

Protocol

Description

21:21:11.978

Connected

RDS Server

50056 (0xC388)

RDS License Server

135 (0x87)

TCP

TCP: [Bad CheckSum]Flags=CE....S., SrcPort=50056, DstPort=DCE endpoint resolution(135), PayloadLen=0, Seq=45240749, Ack=0, Win=8192 ( Negotiating scale factor 0x8 ) = 8192

 

RDS server gets Kerberos ticket for user and logs user on

Time Of Day

TCP Frame Flags

Source

Source Port

Destination

Destination Port

Protocol

Description

21:21:11.994

Connected

RDS Server

50058 (0xC38A)

AD Server

88 (0x58)

TCP

TCP: [Bad CheckSum]Flags=CE....S., SrcPort=50058, DstPort=Kerberos(88), PayloadLen=0, Seq=4063576601, Ack=0, Win=8192 ( Negotiating scale factor 0x8 ) = 8192

21:21:11.998

FinWait1

RDS Server

50058 (0xC38A)

AD Server

88 (0x58)

TCP

TCP: [Bad CheckSum]Flags=...A...F, SrcPort=50058, DstPort=Kerberos(88), PayloadLen=0, Seq=4063576832, Ack=717409612, Win=4120 (scale factor 0x8) = 1054720

21:21:12.030

Connected

RDS Server

50059 (0xC38B)

AD Server

88 (0x58)

TCP

TCP: [Bad CheckSum]Flags=CE....S., SrcPort=50059, DstPort=Kerberos(88), PayloadLen=0, Seq=3245959136, Ack=0, Win=8192 ( Negotiating scale factor 0x8 ) = 8192

21:21:12.037

FinWait1

RDS Server

50059 (0xC38B)

AD Server

88 (0x58)

TCP

TCP: [Bad CheckSum]Flags=...A...F, SrcPort=50059, DstPort=Kerberos(88), PayloadLen=0, Seq=3245959447, Ack=3458572932, Win=4121 (scale factor 0x8) = 1054976

21:21:12.037

Connected

RDS Server

50060 (0xC38C)

AD Server

88 (0x58)

TCP

TCP: [Bad CheckSum]Flags=CE....S., SrcPort=50060, DstPort=Kerberos(88), PayloadLen=0, Seq=2590877076, Ack=0, Win=8192 ( Negotiating scale factor 0x8 ) = 8192

21:21:12.041

FinWait1

RDS Server

50060 (0xC38C)

AD Server

88 (0x58)

TCP

TCP: [Bad CheckSum]Flags=...A...F, SrcPort=50060, DstPort=Kerberos(88), PayloadLen=0, Seq=2590878618, Ack=700072795, Win=4121 (scale factor 0x8) = 1054976

21:21:12.409

 

RDS Server

63203 (0xF6E3)

AD Server

53 (0x35)

DNS

DNS:QueryId = 0xEF5E, QUERY (Standard query), Query  for 4.0.0.10.in-addr.arpa of type PTR on class Internet

21:21:12.417

 

AD Server

53 (0x35)

RDS Server

63203 (0xF6E3)

DNS

DNS:QueryId = 0xEF5E, QUERY (Standard query), Response - Name Error

21:21:13.633

 

RDS Server

49351 (0xC0C7)

AD Server

53 (0x35)

DNS

DNS:QueryId = 0xB8A4, QUERY (Standard query), Query  for (...).ip6.arpa of type PTR on class Internet

21:21:13.636

 

AD Server

53 (0x35)

RDS Server

49351 (0xC0C7)

DNS

DNS:QueryId = 0xB8A4, QUERY (Standard query), Response - Name Error

21:21:14.234

Connected

RDS Server

50061 (0xC38D)

AD Server

88 (0x58)

TCP

TCP: [Bad CheckSum]Flags=CE....S., SrcPort=50061, DstPort=Kerberos(88), PayloadLen=0, Seq=3723032653, Ack=0, Win=8192 ( Negotiating scale factor 0x8 ) = 8192

21:21:14.236

FinWait1

RDS Server

50061 (0xC38D)

AD Server

88 (0x58)

TCP

TCP: [Bad CheckSum]Flags=...A...F, SrcPort=50061, DstPort=Kerberos(88), PayloadLen=0, Seq=3723032878, Ack=2921060790, Win=4120 (scale factor 0x8) = 1054720

21:21:14.254

Connected

RDS Server

50062 (0xC38E)

AD Server

88 (0x58)

TCP

TCP: [Bad CheckSum]Flags=CE....S., SrcPort=50062, DstPort=Kerberos(88), PayloadLen=0, Seq=2394757362, Ack=0, Win=8192 ( Negotiating scale factor 0x8 ) = 8192

21:21:14.263

FinWait1

RDS Server

50062 (0xC38E)

AD Server

88 (0x58)

TCP

TCP: [Bad CheckSum]Flags=...A...F, SrcPort=50062, DstPort=Kerberos(88), PayloadLen=0, Seq=2394757667, Ack=359280590, Win=4121 (scale factor 0x8) = 1054976

21:21:14.263

Connected

RDS Server

50063 (0xC38F)

AD Server

88 (0x58)

TCP

TCP: [Bad CheckSum]Flags=CE....S., SrcPort=50063, DstPort=Kerberos(88), PayloadLen=0, Seq=541750701, Ack=0, Win=8192 ( Negotiating scale factor 0x8 ) = 8192

21:21:14.266

FinWait1

RDS Server

50063 (0xC38F)

AD Server

88 (0x58)

TCP

TCP: [Bad CheckSum]Flags=...A...F, SrcPort=50063, DstPort=Kerberos(88), PayloadLen=0, Seq=541752076, Ack=1163190864, Win=4115 (scale factor 0x8) = 1053440

21:21:14.388

Connected

RDS Server

50064 (0xC390)

AD Server

445 (0x1BD)

TCP

TCP: [Bad CheckSum]Flags=CE....S., SrcPort=50064, DstPort=Microsoft-DS(445), PayloadLen=0, Seq=3190045546, Ack=0, Win=8192 ( Negotiating scale factor 0x8 ) = 8192

21:21:14.467

Connected

RDS Server

50065 (0xC391)

AD Server

445 (0x1BD)

TCP

TCP: [Bad CheckSum]Flags=CE....S., SrcPort=50065, DstPort=Microsoft-DS(445), PayloadLen=0, Seq=1148878525, Ack=0, Win=8192 ( Negotiating scale factor 0x8 ) = 8192

21:21:14.467

Connected

RDS Server

50066 (0xC392)

AD Server

445 (0x1BD)

TCP

TCP: [Bad CheckSum]Flags=CE....S., SrcPort=50066, DstPort=Microsoft-DS(445), PayloadLen=0, Seq=996682467, Ack=0, Win=8192 ( Negotiating scale factor 0x8 ) = 8192

21:21:14.468

Connected

RDS Server

50067 (0xC393)

AD Server

445 (0x1BD)

TCP

TCP: [Bad CheckSum]Flags=CE....S., SrcPort=50067, DstPort=Microsoft-DS(445), PayloadLen=0, Seq=3681154319, Ack=0, Win=8192 ( Negotiating scale factor 0x8 ) = 8192

21:21:14.851

Connected

RDS Server

50068 (0xC394)

AD Server

135 (0x87)

TCP

TCP: [Bad CheckSum]Flags=CE....S., SrcPort=50068, DstPort=DCE endpoint resolution(135), PayloadLen=0, Seq=2483819665, Ack=0, Win=8192 ( Negotiating scale factor 0x8 ) = 8192

21:21:14.861

Connected

RDS Server

50070 (0xC396)

AD Server

88 (0x58)

TCP

TCP: [Bad CheckSum]Flags=CE....S., SrcPort=50070, DstPort=Kerberos(88), PayloadLen=0, Seq=3306116795, Ack=0, Win=8192 ( Negotiating scale factor 0x8 ) = 8192

21:21:14.864

FinWait1

RDS Server

50070 (0xC396)

AD Server

88 (0x58)

TCP

TCP: [Bad CheckSum]Flags=...A...F, SrcPort=50070, DstPort=Kerberos(88), PayloadLen=0, Seq=3306118338, Ack=2754153111, Win=4121 (scale factor 0x8) = 1054976

21:21:14.890

Connected

RDS Server

50072 (0xC398)

AD Server

445 (0x1BD)

TCP

TCP: [Bad CheckSum]Flags=CE....S., SrcPort=50072, DstPort=Microsoft-DS(445), PayloadLen=0, Seq=3070954321, Ack=0, Win=8192 ( Negotiating scale factor 0x8 ) = 8192

21:21:14.899

Connected

RDS Server

50073 (0xC399)

AD Server

88 (0x58)

TCP

TCP: [Bad CheckSum]Flags=CE....S., SrcPort=50073, DstPort=Kerberos(88), PayloadLen=0, Seq=1079617107, Ack=0, Win=8192 ( Negotiating scale factor 0x8 ) = 8192

21:21:14.906

FinWait1

RDS Server

50073 (0xC399)

AD Server

88 (0x58)

TCP

TCP: [Bad CheckSum]Flags=...A...F, SrcPort=50073, DstPort=Kerberos(88), PayloadLen=0, Seq=1079618638, Ack=3889589683, Win=4121 (scale factor 0x8) = 1054976

21:21:14.907

Connected

RDS Server

50074 (0xC39A)

AD Server

88 (0x58)

TCP

TCP: [Bad CheckSum]Flags=CE....S., SrcPort=50074, DstPort=Kerberos(88), PayloadLen=0, Seq=2358320909, Ack=0, Win=8192 ( Negotiating scale factor 0x8 ) = 8192

21:21:14.908

FinWait1

RDS Server

50074 (0xC39A)

AD Server

88 (0x58)

TCP

TCP: [Bad CheckSum]Flags=...A...F, SrcPort=50074, DstPort=Kerberos(88), PayloadLen=0, Seq=2358322240, Ack=1168370518, Win=4115 (scale factor 0x8) = 1053440

21:21:20.718

Connected

RDS Server

50075 (0xC39B)

AD Server

88 (0x58)

TCP

TCP: [Bad CheckSum]Flags=CE....S., SrcPort=50075, DstPort=Kerberos(88), PayloadLen=0, Seq=2650571429, Ack=0, Win=8192 ( Negotiating scale factor 0x8 ) = 8192

21:21:20.722

FinWait1

RDS Server

50075 (0xC39B)

AD Server

88 (0x58)

TCP

TCP: [Bad CheckSum]Flags=...A...F, SrcPort=50075, DstPort=Kerberos(88), PayloadLen=0, Seq=2650572972, Ack=810395757, Win=4121 (scale factor 0x8) = 1054976

21:21:21.264

Connected

RDS Server

50076 (0xC39C)

AD Server

389 (0x185)

TCP

TCP: [Bad CheckSum]Flags=CE....S., SrcPort=50076, DstPort=LDAP(389), PayloadLen=0, Seq=1947778519, Ack=0, Win=8192 ( Negotiating scale factor 0x8 ) = 8192

21:21:21.285

Connected

RDS Server

50077 (0xC39D)

AD Server

88 (0x58)

TCP

TCP: [Bad CheckSum]Flags=CE....S., SrcPort=50077, DstPort=Kerberos(88), PayloadLen=0, Seq=2190197474, Ack=0, Win=8192 ( Negotiating scale factor 0x8 ) = 8192

21:21:21.288

FinWait1

RDS Server

50077 (0xC39D)

AD Server

88 (0x58)

TCP

TCP: [Bad CheckSum]Flags=...A...F, SrcPort=50077, DstPort=Kerberos(88), PayloadLen=0, Seq=2190199005, Ack=1972753748, Win=515 (scale factor 0x8) = 131840

21:21:21.428

Connected

RDS Server

50078 (0xC39E)

AD Server

389 (0x185)

TCP

TCP: [Bad CheckSum]Flags=CE....S., SrcPort=50078, DstPort=LDAP(389), PayloadLen=0, Seq=2801560355, Ack=0, Win=8192 ( Negotiating scale factor 0x8 ) = 8192

21:21:21.779

FinWait1

RDS Server

50078 (0xC39E)

AD Server

389 (0x185)

TCP

TCP: [Bad CheckSum]Flags=...A...F, SrcPort=50078, DstPort=LDAP(389), PayloadLen=0, Seq=2801562387, Ack=4095388054, Win=4119 (scale factor 0x8) = 1054464

21:21:21.993

FinWait1

RDS Server

50076 (0xC39C)

AD Server

389 (0x185)

TCP

TCP: [Bad CheckSum]Flags=...A...F, SrcPort=50076, DstPort=LDAP(389), PayloadLen=0, Seq=1947781383, Ack=1295454375, Win=4117 (scale factor 0x8) = 1053952

21:21:25.542

FinWait1

RDS Server

50068 (0xC394)

AD Server

135 (0x87)

TCP

TCP: [Bad CheckSum]Flags=...A...F, SrcPort=50068, DstPort=DCE endpoint resolution(135), PayloadLen=0, Seq=2483820162, Ack=149338963, Win=4118 (scale factor 0x8) = 1054208

21:21:35.988

Disconnected

RDS Server

50064 (0xC390)

AD Server

445 (0x1BD)

TCP

TCP: [Bad CheckSum]Flags=...A.R.., SrcPort=50064, DstPort=Microsoft-DS(445), PayloadLen=0, Seq=3190070501, Ack=2444569668, Win=0 (scale factor 0x8) = 0

21:21:35.988

Disconnected

RDS Server

50065 (0xC391)

AD Server

445 (0x1BD)

TCP

TCP: [Bad CheckSum]Flags=...A.R.., SrcPort=50065, DstPort=Microsoft-DS(445), PayloadLen=0, Seq=1148889788, Ack=3152697640, Win=0 (scale factor 0x8) = 0

21:21:35.988

Disconnected

RDS Server

50066 (0xC392)

AD Server

445 (0x1BD)

TCP

TCP: [Bad CheckSum]Flags=...A.R.., SrcPort=50066, DstPort=Microsoft-DS(445), PayloadLen=0, Seq=996701157, Ack=2677283270, Win=0 (scale factor 0x8) = 0

21:21:35.988

Disconnected

RDS Server

50067 (0xC393)

AD Server

445 (0x1BD)

TCP

TCP: [Bad CheckSum]Flags=...A.R.., SrcPort=50067, DstPort=Microsoft-DS(445), PayloadLen=0, Seq=3681165495, Ack=2266817574, Win=0 (scale factor 0x8) = 0

21:21:44.307

 

RDS Server

49929 (0xC309)

AD Server

53 (0x35)

DNS

DNS:QueryId = 0xC6D9, QUERY (Standard query), Query  for _ldap._tcp.Default-First-Site-Name._sites.rds-dc-1.rds-ms.lab of type SRV on class Internet

21:21:44.308

 

AD Server

53 (0x35)

RDS Server

49929 (0xC309)

DNS

DNS:QueryId = 0xC6D9, QUERY (Standard query), Response - Name Error

21:21:47.188

 

RDS Server

61272 (0xEF58)

AD Server

53 (0x35)

DNS

DNS:QueryId = 0xD50, QUERY (Standard query), Query  for _ldap._tcp.rds-dc-1.rds-ms.lab of type SRV on class Internet

21:21:47.190

 

AD Server

53 (0x35)

RDS Server

61272 (0xEF58)

DNS

DNS:QueryId = 0xD50, QUERY (Standard query), Response - Name Error

21:21:50.381

Connected

RDS Server

50079 (0xC39F)

AD Server

389 (0x185)

TCP

TCP: [Bad CheckSum]Flags=CE....S., SrcPort=50079, DstPort=LDAP(389), PayloadLen=0, Seq=4278336738, Ack=0, Win=8192 ( Negotiating scale factor 0x8 ) = 8192

21:21:50.413

FinWait1

RDS Server

50079 (0xC39F)

AD Server

389 (0x185)

TCP

TCP: [Bad CheckSum]Flags=...A...F, SrcPort=50079, DstPort=LDAP(389), PayloadLen=0, Seq=4278338903, Ack=477717676, Win=513 (scale factor 0x8) = 131328

21:21:52.813

 

RDS Server

55841 (0xDA21)

AD Server

53 (0x35)

DNS

DNS:QueryId = 0xC87F, QUERY (Standard query), Query  for 6.0.0.10.in-addr.arpa of type PTR on class Internet

21:21:52.814

 

AD Server

53 (0x35)

RDS Server

55841 (0xDA21)

DNS

DNS:QueryId = 0xC87F, QUERY (Standard query), Response - Name Error

 

Client disconnects from RDS server

Time Of Day

TCP Frame Flags

Source

Source Port

Destination

Destination Port

Protocol

Description

21:22:15.189

Disconnected

RDS Client

49964 (0xC32C)

RDS Server

3389 (0xD3D)

TCP

TCP:Flags=...A.R.., SrcPort=49964, DstPort=MS WBT Server(3389), PayloadLen=0, Seq=2744392872, Ack=823247208, Win=0

 

Client reconnects to RDS Server

Time Of Day

TCP Frame Flags

Source

Source Port

Destination

Destination Port

Protocol

Description

21:23:05.797

Connected

RDS Client

49972 (0xC334)

RDS Server

3389 (0xD3D)

TCP

TCP:Flags=CE....S., SrcPort=49972, DstPort=MS WBT Server(3389), PayloadLen=0, Seq=1621480644, Ack=0, Win=8192 ( Negotiating scale factor 0x8 ) = 8192

21:23:05.799

Connected

RDS Client

49972 (0xC334)

RDS Server

3389 (0xD3D)

X224

X224:Connection Request

21:23:05.810

Connected

RDS Server

3389 (0xD3D)

RDS Client

49972 (0xC334)

X224

X224:Connection Confirm

21:23:12.027

 

RDS Client

51187 (0xC7F3)

RDS Server

3389 (0xD3D)

UDP

UDP:SrcPort = 51187, DstPort = MS WBT Server(3389), Length = 1240

21:23:12.032

 

RDS Client

51188 (0xC7F4)

RDS Server

3389 (0xD3D)

UDP

UDP:SrcPort = 51188, DstPort = MS WBT Server(3389), Length = 1240

21:23:12.033

 

RDS Server

3389 (0xD3D)

RDS Client

51187 (0xC7F3)

UDP

UDP:SrcPort = MS WBT Server(3389), DstPort = 51187, Length = 1240

21:23:12.033

 

RDS Server

3389 (0xD3D)

RDS Client

51188 (0xC7F4)

UDP

UDP:SrcPort = MS WBT Server(3389), DstPort = 51188, Length = 1240

 

RDS server queries AD using LDAP 389 for user authentication

Time Of Day

TCP Frame Flags

Source

Source Port

Destination

Destination Port

Protocol

Description

21:23:12.111

Connected

RDS Server

50081 (0xC3A1)

AD Server

389 (0x185)

TCP

TCP: [Bad CheckSum]Flags=CE....S., SrcPort=50081, DstPort=LDAP(389), PayloadLen=0, Seq=1379151670, Ack=0, Win=8192 ( Negotiating scale factor 0x8 ) = 8192

21:23:12.164

Connected

RDS Server

50082 (0xC3A2)

AD Server

389 (0x185)

TCP

TCP: [Bad CheckSum]Flags=CE....S., SrcPort=50082, DstPort=LDAP(389), PayloadLen=0, Seq=2177382759, Ack=0, Win=8192 ( Negotiating scale factor 0x8 ) = 8192

21:23:12.201

FinWait1

RDS Server

50082 (0xC3A2)

AD Server

389 (0x185)

TCP

TCP: [Bad CheckSum]Flags=...A...F, SrcPort=50082, DstPort=LDAP(389), PayloadLen=0, Seq=2177385014, Ack=3237765927, Win=515 (scale factor 0x8) = 131840

21:23:12.204

Connected

RDS Server

50083 (0xC3A3)

AD Server

389 (0x185)

TCP

TCP: [Bad CheckSum]Flags=CE....S., SrcPort=50083, DstPort=LDAP(389), PayloadLen=0, Seq=3344037970, Ack=0, Win=8192 ( Negotiating scale factor 0x8 ) = 8192

21:23:12.285

FinWait1

RDS Server

50083 (0xC3A3)

AD Server

389 (0x185)

TCP

TCP: [Bad CheckSum]Flags=...A...F, SrcPort=50083, DstPort=LDAP(389), PayloadLen=0, Seq=3344040225, Ack=426106924, Win=4121 (scale factor 0x8) = 1054976

21:23:12.285

FinWait1

RDS Server

50081 (0xC3A1)

AD Server

389 (0x185)

TCP

TCP: [Bad CheckSum]Flags=...A...F, SrcPort=50081, DstPort=LDAP(389), PayloadLen=0, Seq=1379153902, Ack=4129069406, Win=4118 (scale factor 0x8) = 1054208

21:23:14.770

Connected

RDS Server

50084 (0xC3A4)

AD Server

88 (0x58)

TCP

TCP: [Bad CheckSum]Flags=CE....S., SrcPort=50084, DstPort=Kerberos(88), PayloadLen=0, Seq=2141886002, Ack=0, Win=8192 ( Negotiating scale factor 0x8 ) = 8192

21:23:14.777

FinWait1

RDS Server

50084 (0xC3A4)

AD Server

88 (0x58)

TCP

TCP: [Bad CheckSum]Flags=...A...F, SrcPort=50084, DstPort=Kerberos(88), PayloadLen=0, Seq=2141886227, Ack=1472959411, Win=4120 (scale factor 0x8) = 1054720

21:23:14.790

Connected

RDS Server

50085 (0xC3A5)

AD Server

88 (0x58)

TCP

TCP: [Bad CheckSum]Flags=CE....S., SrcPort=50085, DstPort=Kerberos(88), PayloadLen=0, Seq=3346243589, Ack=0, Win=8192 ( Negotiating scale factor 0x8 ) = 8192

21:23:14.811

FinWait1

RDS Server

50085 (0xC3A5)

AD Server

88 (0x58)

TCP

TCP: [Bad CheckSum]Flags=...A...F, SrcPort=50085, DstPort=Kerberos(88), PayloadLen=0, Seq=3346243893, Ack=3118334930, Win=4121 (scale factor 0x8) = 1054976

21:23:14.811

Connected

RDS Server

50086 (0xC3A6)

AD Server

88 (0x58)

TCP

TCP: [Bad CheckSum]Flags=CE....S., SrcPort=50086, DstPort=Kerberos(88), PayloadLen=0, Seq=1219468062, Ack=0, Win=8192 ( Negotiating scale factor 0x8 ) = 8192

21:23:14.818

FinWait1

RDS Server

50086 (0xC3A6)

AD Server

88 (0x58)

TCP

TCP: [Bad CheckSum]Flags=...A...F, SrcPort=50086, DstPort=Kerberos(88), PayloadLen=0, Seq=1219469437, Ack=1722508809, Win=4115 (scale factor 0x8) = 1053440

21:23:14.923

Connected

RDS Server

50087 (0xC3A7)

AD Server

445 (0x1BD)

TCP

TCP: [Bad CheckSum]Flags=CE....S., SrcPort=50087, DstPort=Microsoft-DS(445), PayloadLen=0, Seq=3145033242, Ack=0, Win=8192 ( Negotiating scale factor 0x8 ) = 8192

21:23:14.955

Connected

RDS Server

50088 (0xC3A8)

AD Server

445 (0x1BD)

TCP

TCP: [Bad CheckSum]Flags=CE....S., SrcPort=50088, DstPort=Microsoft-DS(445), PayloadLen=0, Seq=4241683270, Ack=0, Win=8192 ( Negotiating scale factor 0x8 ) = 8192

21:23:14.955

Connected

RDS Server

50089 (0xC3A9)

AD Server

445 (0x1BD)

TCP

TCP: [Bad CheckSum]Flags=CE....S., SrcPort=50089, DstPort=Microsoft-DS(445), PayloadLen=0, Seq=3949512830, Ack=0, Win=8192 ( Negotiating scale factor 0x8 ) = 8192

21:23:14.956

Connected

RDS Server

50090 (0xC3AA)

AD Server

445 (0x1BD)

TCP

TCP: [Bad CheckSum]Flags=CE....S., SrcPort=50090, DstPort=Microsoft-DS(445), PayloadLen=0, Seq=2357679405, Ack=0, Win=8192 ( Negotiating scale factor 0x8 ) = 8192

21:23:15.332

Connected

RDS Server

50091 (0xC3AB)

AD Server

135 (0x87)

TCP

TCP: [Bad CheckSum]Flags=CE....S., SrcPort=50091, DstPort=DCE endpoint resolution(135), PayloadLen=0, Seq=1049565372, Ack=0, Win=8192 ( Negotiating scale factor 0x8 ) = 8192

21:23:15.343

Connected

RDS Server

50093 (0xC3AD)

AD Server

88 (0x58)

TCP

TCP: [Bad CheckSum]Flags=CE....S., SrcPort=50093, DstPort=Kerberos(88), PayloadLen=0, Seq=1628009195, Ack=0, Win=8192 ( Negotiating scale factor 0x8 ) = 8192

21:23:15.352

FinWait1

RDS Server

50093 (0xC3AD)

AD Server

88 (0x58)

TCP

TCP: [Bad CheckSum]Flags=...A...F, SrcPort=50093, DstPort=Kerberos(88), PayloadLen=0, Seq=1628010738, Ack=1671622849, Win=4121 (scale factor 0x8) = 1054976

21:23:15.672

Connected

RDS Server

50094 (0xC3AE)

AD Server

389 (0x185)

TCP

TCP: [Bad CheckSum]Flags=CE....S., SrcPort=50094, DstPort=LDAP(389), PayloadLen=0, Seq=3337827057, Ack=0, Win=8192 ( Negotiating scale factor 0x8 ) = 8192

21:23:15.674

Connected

RDS Server

50095 (0xC3AF)

AD Server

88 (0x58)

TCP

TCP: [Bad CheckSum]Flags=CE....S., SrcPort=50095, DstPort=Kerberos(88), PayloadLen=0, Seq=1478733766, Ack=0, Win=8192 ( Negotiating scale factor 0x8 ) = 8192

21:23:15.676

FinWait1

RDS Server

50095 (0xC3AF)

AD Server

88 (0x58)

TCP

TCP: [Bad CheckSum]Flags=...A...F, SrcPort=50095, DstPort=Kerberos(88), PayloadLen=0, Seq=1478735297, Ack=172072244, Win=4121 (scale factor 0x8) = 1054976

21:23:15.706

Connected

RDS Server

50096 (0xC3B0)

AD Server

389 (0x185)

TCP

TCP: [Bad CheckSum]Flags=CE....S., SrcPort=50096, DstPort=LDAP(389), PayloadLen=0, Seq=3581138662, Ack=0, Win=8192 ( Negotiating scale factor 0x8 ) = 8192

21:23:16.065

FinWait1

RDS Server

50096 (0xC3B0)

AD Server

389 (0x185)

TCP

TCP: [Bad CheckSum]Flags=...A...F, SrcPort=50096, DstPort=LDAP(389), PayloadLen=0, Seq=3581140697, Ack=1249198065, Win=4119 (scale factor 0x8) = 1054464

21:23:16.078

FinWait1

RDS Server

50094 (0xC3AE)

AD Server

389 (0x185)

TCP

TCP: [Bad CheckSum]Flags=...A...F, SrcPort=50094, DstPort=LDAP(389), PayloadLen=0, Seq=3337829573, Ack=1545874176, Win=4117 (scale factor 0x8) = 1053952

21:23:21.471

Connected

RDS Server

50097 (0xC3B1)

AD Server

389 (0x185)

TCP

TCP: [Bad CheckSum]Flags=CE....S., SrcPort=50097, DstPort=LDAP(389), PayloadLen=0, Seq=4226540773, Ack=0, Win=8192 ( Negotiating scale factor 0x8 ) = 8192

21:23:21.492

FinWait1

RDS Server

50097 (0xC3B1)

AD Server

389 (0x185)

TCP

TCP: [Bad CheckSum]Flags=...A...F, SrcPort=50097, DstPort=LDAP(389), PayloadLen=0, Seq=4226542938, Ack=684672697, Win=4119 (scale factor 0x8) = 1054464

21:23:25.541

FinWait1

RDS Server

50091 (0xC3AB)

AD Server

135 (0x87)

TCP

TCP: [Bad CheckSum]Flags=...A...F, SrcPort=50091, DstPort=DCE endpoint resolution(135), PayloadLen=0, Seq=1049565701, Ack=342135618, Win=4119 (scale factor 0x8) = 1054464

21:23:29.005

Disconnected

RDS Server

50087 (0xC3A7)

AD Server

445 (0x1BD)

TCP

TCP: [Bad CheckSum]Flags=...A.R.., SrcPort=50087, DstPort=Microsoft-DS(445), PayloadLen=0, Seq=3145050195, Ack=1060459561, Win=0 (scale factor 0x8) = 0

21:23:29.005

Disconnected

RDS Server

50088 (0xC3A8)

AD Server

445 (0x1BD)

TCP

TCP: [Bad CheckSum]Flags=...A.R.., SrcPort=50088, DstPort=Microsoft-DS(445), PayloadLen=0, Seq=4241691189, Ack=883479323, Win=0 (scale factor 0x8) = 0

21:23:29.005

Disconnected

RDS Server

50089 (0xC3A9)

AD Server

445 (0x1BD)

TCP

TCP: [Bad CheckSum]Flags=...A.R.., SrcPort=50089, DstPort=Microsoft-DS(445), PayloadLen=0, Seq=3949530365, Ack=871192864, Win=0 (scale factor 0x8) = 0

21:23:29.005

Disconnected

RDS Server

50090 (0xC3AA)

AD Server

445 (0x1BD)

TCP

TCP: [Bad CheckSum]Flags=...A.R.., SrcPort=50090, DstPort=Microsoft-DS(445), PayloadLen=0, Seq=2357687353, Ack=2990482742, Win=0 (scale factor 0x8) = 0

 

RDS server disconnects from license server over RPC 135 due to inactivity timeout

Time Of Day

TCP Frame Flags

Source

Source Port

Destination

Destination Port

Protocol

Description

21:24:05.625

FinWait1

RDS Server

50056 (0xC388)

RDS License Server

135 (0x87)

TCP

TCP: [Bad CheckSum]Flags=...A...F, SrcPort=50056, DstPort=DCE endpoint resolution(135), PayloadLen=0, Seq=45241078, Ack=4113178518, Win=4119 (scale factor 0x8) = 1054464

 

Client disconnects from RDS server

Time Of Day

TCP Frame Flags

Source

Source Port

Destination

Destination Port

Protocol

Description

21:24:21.918

Disconnected

RDS Client

49972 (0xC334)

RDS Server

3389 (0xD3D)

TCP

TCP:Flags=...A.R.., SrcPort=49972, DstPort=MS WBT Server(3389), PayloadLen=0, Seq=1621534491, Ack=2510014433, Win=0