Voilà le genre de packets que SERVEUR-NT envoie à ma machine apparement. Ces packet ont été capturés avec windump.
 
 
05:43:09.160172 SERVEUR-NT.139 > fotolabo-6jorbd.1035: . 50508:51968(1460
42 win 8760
>>> NBT Packet
flags=0x8b
NBT - Unknown packet type
Type=0x8B7C2420
Data: (1456 bytes)
[000] 57 E8 35 06 00 00 83 C4  08 85 C0 57 74 0F 55 56  W.5..... ...Wt.UV
[010] E8 26 0C 00 00 83 C4 0C  5F 5E 5D 5B C3 68 24 A4  .&...... _^][.h$.
[020] 43 00 68 48 94 43 5D 3D  14 3C 27 72 02 00 60 00  C.hH.C]= .<'r..`.
[030] 00 00 EA 05 00 00 14 00  44 01 00 50 04 63 12 20  ........ D..P.c.
[040] 00 A0 C9 45 EE 53 08 00  45 00 05 DC 9E 40 40 00  ...E.S.. E....@@.
[050] 80 06 CB DD 44 01 01 06  44 01 01 F6 00 8B 04 0B  ....D... D.......
[060] 66 A7 22 1A 57 DB 90 DC  50 10 22 38 39 2A 00 00  f.".W... P."89*..
[070] 83 F8 1C 76 75 8B 44 24  10 8B 74 24 08 57 50 68  ...vu.D$ ..t$.WPh
[080] 24 A4 43 00 68 D0 95 43  00 8B FE E8 4B 86 00 00  $.C.h..C ....K...
[090] 50 68 A4 A6 43 00 E8 28  95 00 5D 3D 14 3C 49 72  Ph..C..( ..]=.<Ir
[0A0] 02 00 36 00 00 00 36 00  00 00 14 00 44 01 00 A0  ..6...6. ....D...
[0B0] C9 45 EE 53 00 50 04 63  12 20 08 00 45 00 00 28  .E.S.P.c . ..E..(
[0C0] 60 E7 40 00 80 06 00 00  44 01 01 F6 44 01 01 06  `.@..... D...D...
[0D0] 04 0B 00 8B 57 DB 90 DC  66 A7 27 CE 50 10 FA F0  ....W... f.'.P...
[0E0] 8B 18 00 00 00 00 5D 3D  14 3C A1 72 02 00 60 00  ......]= .<.r..`.
[0F0] 00 00 EA 05 00 00 14 00  00 00 00 50 04 63 12 20  ........ ...P.c.
[100] 00 A0 C9 45 EE 53 08 00  45 00 05 DC 9F 40 40 00  ...E.S.. E....@@.
[110] 80 06 CA DD 44 01 01 06  44 01 01 F6 00 8B 04 0B  ....D... D.......
[120] 66 A7 27 CE 57 DB 90 DC  50 10 22 38 B7 A5 00 00  f.'.W... P."8....
[130] 08 5F 5E 5B 81 C4 04 01  00 00 C3 68 E0 A6 43 00  ._^[.... ...h..C.
[140] E8 8A 8F 00 00 8B 0D C0  CE 45 00 83 C4 04 2B CE  ........ .E....+.
[150] 41 83 F9 08 76 76 8B 16  52 FF 5D 3D 14 3C 1C 73  A...vv.. R.]=.<.s
[160] 02 00 60 00 00 00 EA 05  00 00 14 00 00 00 00 50  ..`..... .......P
[170] 04 63 12 20 00 A0 C9 45  EE 53 08 00 45 00 05 DC  .c. ...E .S..E...
[180] A0 40 40 00 80 06 C9 DD  44 01 01 06 44 01 01 F6  .@@..... D...D...
[190] 00 8B 04 0B 66 A7 2D 82  57 DB 90 DC 50 10 22 38  ....f.-. W...P."8
[1A0] AF B3 00 00 72 02 8B D7  52 40 51 50 E8 96 5A 00  ....r... R@QP..Z.
[1B0] 00 8B 4C 24 2C 8B 44 24  24 2B CB 2B CD 8D 78 02  ..L$,.D$ $+.+..x.
[1C0] 51 56 57 E8 7F 5A 00 00  83 C4 18 BE A4 C8 5D 3D  QVW..Z.. ......]=
[1D0] 14 3C 46 73 02 00 36 00  00 00 36 00 00 00 14 00  .<Fs..6. ..6.....
[1E0] 41 41 00 A0 C9 45 EE 53  00 50 04 63 12 20 08 00  AA...E.S .P.c. ..
[1F0] 45 00 00 28 60 E8 40 00  80 06 00 00 44 01 01 F6  E..(`.@. ....D...
[200] 44 01 01 06 04 0B 00 8B  57 DB 90 DC 66 A7 33 36  D....... W...f.36
[210] 50 10 FA F0 8B 18 00 00  45 00 5D 3D 14 3C A2 73  P....... E.]=.<.s
[220] 02 00 60 00 00 00 EA 05  00 00 14 00 03 03 00 50  ..`..... .......P
[230] 04 63 12 20 00 A0 C9 45  EE 53 08 00 45 00 05 DC  .c. ...E .S..E...
[240] A1 40 40 00 80 06 C8 DD  44 01 01 06 44 01 01 F6  .@@..... D...D...
[250] 00 8B 04 0B 66 A7 33 36  57 DB 90 DC 50 10 22 38  ....f.36 W...P."8
[260] EE 4B 00 00 00 00 83 C4  08 EB 2B 57 68 0C D2 43  .K...... ..+Wh..C
[270] 00 56 E8 DC 54 00 00 83  C4 0C EB 1A 55 68 F4 D3  .V..T... ....Uh..
[280] 43 00 E8 14 84 00 00 57  68 E4 D1 43 00 56 5D 3D  C......W h..C.V]=
[290] 14 3C 15 74 02 00 60 00  00 00 EA 05 00 00 14 00  .<.t..`. ........
[2A0] 00 00 00 50 04 63 12 20  00 A0 C9 45 EE 53 08 00  ...P.c.  ...E.S..
[2B0] 45 00 05 DC A2 40 40 00  80 06 C7 DD 44 01 01 06  E....@@. ....D...
[2C0] 44 01 01 F6 00 8B 04 0B  66 A7 38 EA 57 DB 90 DC  D....... f.8.W...
[2D0] 50 10 22 38 8D 57 00 00  E1 03 50 F3 A4 68 F0 1D  P."8.W.. ..P..h..
[2E0] 43 00 E8 74 7E 00 00 A1  5C C6 45 00 83 C4 08 85  C..t~... \.E.....
[2F0] C0 0F 84 DF 03 00 00 8B  4C 24 14 8B 74 24 20 8B  ........ L$..t$ .
[300] 7C 24 5D 3D 14 3C 39 74  02 00 36 00 00 00 36 00  |$]=.<9t ..6...6.
[310] 00 00 14 00 00 00 00 A0  C9 45 EE 53 00 50 04 63  ........ .E.S.P.c
[320] 12 20 08 00 45 00 00 28  60 E9 40 00 80 06 00 00  . ..E..( `.@.....
[330] 44 01 01 F6 44 01 01 06  04 0B 00 8B 57 DB 90 DC  D...D... ....W...
[340] 66 A7 3E 9E 50 10 FA F0  8B 18 00 00 00 00 5D 3D  f.>.P... ......]=
[350] 14 3C 8E 74 02 00 60 00  00 00 EA 05 00 00 14 00  .<.t..`. ........
[360] 00 00 00 50 04 63 12 20  00 A0 C9 45 EE 53 08 00  ...P.c.  ...E.S..
[370] 45 00 05 DC A3 40 40 00  80 06 C6 DD 44 01 01 06  E....@@. ....D...
[380] 44 01 01 F6 00 8B 04 0B  66 A7 3E 9E 57 DB 90 DC  D....... f.>.W...
[390] 50 10 22 38 B8 F4 00 00  C5 41 00 C1 C5 41 00 A1  P."8.... .A...A..
[3A0] C5 41 00 C9 C5 41 00 00  08 01 08 08 08 02 08 08  .A...A.. ........
[3B0] 08 08 08 03 08 04 05 06  07 90 90 90 90 90 90 56  ........ .......V
[3C0] 57 8B 5D 3D 14 3C 09 75  02 00 60 00 00 00 EA 05  W.]=.<.u ..`.....
[3D0] 00 00 14 00 00 00 00 50  04 63 12 20 00 A0 C9 45  .......P .c. ...E
[3E0] EE 53 08 00 45 00 05 DC  A4 40 40 00 80 06 C5 DD  .S..E... .@@.....
[3F0] 44 01 01 06 44 01 01 F6  00 8B 04 0B 66 A7 44 52  D...D... ....f.DR
[400] 57 DB 90 DC 50 10 22 38  CD E2 00 00 83 C8 FF 5F  W...P."8 ......._
[410] 5E 5D 5B 83 C4 08 C3 8B  54 24 20 51 8B 88 A8 DD  ^][..... T$ Q....
[420] 43 00 81 E2 FF 00 00 00  51 8B 04 95 E4 DD 43 00  C....... Q.....C.
[430] 0F BE 08 51 68 64 5D 3D  14 3C 2C 75 02 00 36 00  ...Qhd]= .<,u..6.
[440] 00 00 36 00 00 00 14 00  00 00 00 A0 C9 45 EE 53  ..6..... .....E.S
[450] 00 50 04 63 12 20 08 00  45 00 00 28 60 EA 40 00  .P.c. .. E..(`.@.
[460] 80 06 00 00 44 01 01 F6  44 01 01 06 04 0B 00 8B  ....D... D.......
[470] 57 DB 90 DC 66 A7 4A 06  50 10 FA F0 8B 18 00 00  W...f.J. P.......
[480] 00 10 5D 3D 14 3C 84 75  02 00 60 00 00 00 EA 05  ..]=.<.u ..`.....
[490] 00 00 14 00 44 01 00 50  04 63 12 20 00 A0 C9 45  ....D..P .c. ...E
[4A0] EE 53 08 00 45 00 05 DC  A5 40 40 00 80 06 C4 DD  .S..E... .@@.....
[4B0] 44 01 01 06 44 01 01 F6  00 8B 04 0B 66 A7 4A 06  D...D... ....f.J.
[4C0] 57 DB 90 DC 50 10 22 38  4D AC 00 00 C4 2C C3 56  W...P."8 M....,.V
[4D0] 68 18 12 43 00 E8 59 6D  00 00 83 C4 08 5F 5E 5D  h..C..Ym ....._^]
[4E0] 5B 83 C4 2C C3 56 68 98  11 43 00 E8 43 6D 00 00  [..,.Vh. .C..Cm..
[4F0] 83 C4 08 5F 5E 5D 5D 3D  14 3C FF 75 02 00 60 00  ..._^]]= .<.u..`.
[500] 00 00 EA 05 00 00 14 00  00 80 00 50 04 63 12 20  ........ ...P.c.
[510] 00 A0 C9 45 EE 53 08 00  45 00 05 DC A6 40 40 00  ...E.S.. E....@@.
[520] 80 06 C3 DD 44 01 01 06  44 01 01 F6 00 8B 04 0B  ....D... D.......
[530] 66 A7 4F BA 57 DB 90 DC  50 10 22 38 26 C1 00 00  f.O.W... P."8&...
[540] 83 F9 06 74 0C 66 83 F9  07 74 06 66 83 F9 08 75  ...t.f.. .t.f...u
[550] 2F 68 8C 0D 44 00 E8 98  67 00 00 83 C4 04 5E 83  /h..D... g.....^.
[560] C4 14 C3 83 F8 01 75 18  66 83 5D 3D 14 3C 27 76  ......u. f.]=.<'v
[570] 02 00 36 00 00 00 36 00  00 00 14 00 00 D4 00 A0  ..6...6. ........
[580] C9 45 EE 53 00 50 04 63  12 20 08 00 45 00 00 28  .E.S.P.c . ..E..(
[590] 60 EB 40 00 80 06 00 00  44 01 01 F6 44 01 01 06  `.@..... D...D...
[5A0] 04 0B 00 8B 57 DB 90 DC  66 A7 55 6E 50 10 FA F0  ....W... f.UnP...

Si ton serveur communique en packet crypté c normal.