Output of 'smbclient -d 10' after executing 'ls' command in offending folder: size=98 smb_com=0x32 smb_rcls=0 smb_reh=0 smb_err=0 smb_flg=8 smb_flg2=51201 smb_tid=6145 smb_pid=26280 smb_uid=10240 smb_mid=24 smt_wct=15 smb_vwv[ 0]= 30 (0x1E) smb_vwv[ 1]= 0 (0x0) smb_vwv[ 2]= 10 (0xA) smb_vwv[ 3]=16644 (0x4104) smb_vwv[ 4]= 0 (0x0) smb_vwv[ 5]= 0 (0x0) smb_vwv[ 6]= 0 (0x0) smb_vwv[ 7]= 0 (0x0) smb_vwv[ 8]= 0 (0x0) smb_vwv[ 9]= 30 (0x1E) smb_vwv[10]= 68 (0x44) smb_vwv[11]= 0 (0x0) smb_vwv[12]= 98 (0x62) smb_vwv[13]= 1 (0x1) smb_vwv[14]= 1 (0x1) smb_bcc=33 [000] 00 44 20 16 00 56 05 06 00 04 01 00 00 00 00 5C .D ..V.. .......\ [010] 00 53 00 61 00 6C 00 65 00 73 00 5C 00 2A 00 00 .S.a.l.e .s.\.*.. [020] 00 . simple_packet_signature: sequence number 42 client_sign_outgoing_message: sent SMB signature of [000] AC 05 6A A0 C7 26 C4 9C ..j..&.. store_sequence_for_reply: stored seq = 43 mid = 24 write_socket(4,102) write_socket(4,102) wrote 102 got smb length of 16644 size=16644 smb_com=0x32 smb_rcls=0 smb_reh=0 smb_err=0 smb_flg=136 smb_flg2=51205 smb_tid=6145 smb_pid=26280 smb_uid=10240 smb_mid=24 smt_wct=10 smb_vwv[ 0]= 10 (0xA) smb_vwv[ 1]=16620 (0x40EC) smb_vwv[ 2]= 0 (0x0) smb_vwv[ 3]= 10 (0xA) smb_vwv[ 4]= 56 (0x38) smb_vwv[ 5]= 0 (0x0) smb_vwv[ 6]=16576 (0x40C0) smb_vwv[ 7]= 68 (0x44) smb_vwv[ 8]= 0 (0x0) smb_vwv[ 9]= 0 (0x0) smb_bcc=16589 [000] 00 01 08 7F 00 00 00 00 00 3C 40 00 00 64 00 00 ........ .<@..d.. [010] 00 00 00 00 00 50 14 01 56 8F 88 C6 01 38 A6 10 .....P.. V....8.. [020] 9E 77 9F C8 01 42 09 0B C2 6E 9F C8 01 42 09 0B .w...B.. .n...B.. [030] C2 6E 9F C8 01 00 00 00 00 00 00 00 00 00 00 00 .n...... ........ [040] 00 00 00 00 00 10 00 00 00 02 00 00 00 00 00 00 ........ ........ [050] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ........ ........ [060] 00 00 00 00 00 00 00 00 00 00 00 2E 00 00 00 00 ........ ........ [070] 00 68 00 00 00 00 00 00 00 50 14 01 56 8F 88 C6 .h...... .P..V... [080] 01 38 A6 10 9E 77 9F C8 01 42 09 0B C2 6E 9F C8 .8...w.. .B...n.. [090] 01 42 09 0B C2 6E 9F C8 01 00 00 00 00 00 00 00 .B...n.. ........ [0A0] 00 00 00 00 00 00 00 00 00 10 00 00 00 04 00 00 ........ ........ [0B0] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ........ ........ [0C0] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 2E ........ ........ [0D0] 00 2E 00 00 00 00 00 00 00 88 00 00 00 00 00 00 ........ ........ [0E0] 00 AA 76 03 56 8F 88 C6 01 2E 3D F2 CA BF 93 C8 ..v.V... ..=..... [0F0] 01 00 F7 3D 3C 25 C6 C4 01 64 06 1F 30 89 8E C8 ...=<%.. .d..0... [100] 01 00 98 02 00 00 00 00 00 00 A0 02 00 00 00 00 ........ ........ [110] 00 80 00 00 00 24 00 00 00 00 00 00 00 18 00 31 .....$.. .......1 [120] 00 30 00 35 00 4E 00 4F 00 52 00 7E 00 31 00 2E .0.5.N.O .R.~.1.. [130] 00 44 00 4F 00 43 00 31 00 30 00 35 00 6E 00 6F .D.O.C.1 .0.5.n.o [140] 00 72 00 6D 00 61 00 6E 00 73 00 74 00 6F 00 6E .r.m.a.n .s.t.o.n [150] 00 65 00 2E 00 64 00 6F 00 63 00 00 00 00 00 00 .e...d.o .c...... [160] 00 88 00 00 00 00 00 00 00 04 D9 05 56 8F 88 C6 ........ ....V... [170] 01 C6 B9 AA 68 4E 9F C8 01 00 0A C4 FA 34 E0 C5 ....hN.. .....4.. [180] 01 18 CB 23 30 89 8E C8 01 00 4E 00 00 00 00 00 ...#0... ..N..... [190] 00 00 50 00 00 00 00 00 00 80 00 00 00 26 00 00 ..P..... .....&.. [1A0] 00 00 00 00 00 18 00 33 00 35 00 37 00 57 00 45 .......3 .5.7.W.E [1B0] 00 53 00 7E 00 31 00 2E 00 44 00 4F 00 43 00 33 .S.~.1.. .D.O.C.3 [1C0] 00 35 00 37 00 20 00 57 00 45 00 53 00 54 00 42 .5.7. .W .E.S.T.B [1D0] 00 55 00 52 00 59 00 20 00 44 00 48 00 2E 00 64 .U.R.Y. .D.H...d [1E0] 00 6F 00 63 00 00 00 00 00 70 00 00 00 00 00 00 .o.c.... .p...... [1F0] 00 F2 6D C3 6A 8F 88 C6 01 F0 F6 1D D4 76 9F C8 ..m.j... .....v.. get_sequence_for_reply: found seq = 43 mid = 24 simple_packet_signature: sequence number 43 client_check_incoming_message: seq 43: got good SMB signature of [000] 1A 7F 75 AA 39 09 BE AC ..u.9... size=16644 smb_com=0x32 smb_rcls=0 smb_reh=0 smb_err=0 smb_flg=136 smb_flg2=51205 smb_tid=6145 smb_pid=26280 smb_uid=10240 smb_mid=24 smt_wct=10 smb_vwv[ 0]= 10 (0xA) smb_vwv[ 1]=16620 (0x40EC) smb_vwv[ 2]= 0 (0x0) smb_vwv[ 3]= 10 (0xA) smb_vwv[ 4]= 56 (0x38) smb_vwv[ 5]= 0 (0x0) smb_vwv[ 6]=16576 (0x40C0) smb_vwv[ 7]= 68 (0x44) smb_vwv[ 8]= 0 (0x0) smb_vwv[ 9]= 0 (0x0) smb_bcc=16589 [000] 00 01 08 7F 00 00 00 00 00 3C 40 00 00 64 00 00 ........ .<@..d.. [010] 00 00 00 00 00 50 14 01 56 8F 88 C6 01 38 A6 10 .....P.. V....8.. [020] 9E 77 9F C8 01 42 09 0B C2 6E 9F C8 01 42 09 0B .w...B.. .n...B.. [030] C2 6E 9F C8 01 00 00 00 00 00 00 00 00 00 00 00 .n...... ........ [040] 00 00 00 00 00 10 00 00 00 02 00 00 00 00 00 00 ........ ........ [050] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ........ ........ [060] 00 00 00 00 00 00 00 00 00 00 00 2E 00 00 00 00 ........ ........ [070] 00 68 00 00 00 00 00 00 00 50 14 01 56 8F 88 C6 .h...... .P..V... [080] 01 38 A6 10 9E 77 9F C8 01 42 09 0B C2 6E 9F C8 .8...w.. .B...n.. [090] 01 42 09 0B C2 6E 9F C8 01 00 00 00 00 00 00 00 .B...n.. ........ [0A0] 00 00 00 00 00 00 00 00 00 10 00 00 00 04 00 00 ........ ........ [0B0] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ........ ........ [0C0] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 2E ........ ........ [0D0] 00 2E 00 00 00 00 00 00 00 88 00 00 00 00 00 00 ........ ........ [0E0] 00 AA 76 03 56 8F 88 C6 01 2E 3D F2 CA BF 93 C8 ..v.V... ..=..... [0F0] 01 00 F7 3D 3C 25 C6 C4 01 64 06 1F 30 89 8E C8 ...=<%.. .d..0... [100] 01 00 98 02 00 00 00 00 00 00 A0 02 00 00 00 00 ........ ........ [110] 00 80 00 00 00 24 00 00 00 00 00 00 00 18 00 31 .....$.. .......1 [120] 00 30 00 35 00 4E 00 4F 00 52 00 7E 00 31 00 2E .0.5.N.O .R.~.1.. [130] 00 44 00 4F 00 43 00 31 00 30 00 35 00 6E 00 6F .D.O.C.1 .0.5.n.o [140] 00 72 00 6D 00 61 00 6E 00 73 00 74 00 6F 00 6E .r.m.a.n .s.t.o.n [150] 00 65 00 2E 00 64 00 6F 00 63 00 00 00 00 00 00 .e...d.o .c...... [160] 00 88 00 00 00 00 00 00 00 04 D9 05 56 8F 88 C6 ........ ....V... [170] 01 C6 B9 AA 68 4E 9F C8 01 00 0A C4 FA 34 E0 C5 ....hN.. .....4.. [180] 01 18 CB 23 30 89 8E C8 01 00 4E 00 00 00 00 00 ...#0... ..N..... [190] 00 00 50 00 00 00 00 00 00 80 00 00 00 26 00 00 ..P..... .....&.. [1A0] 00 00 00 00 00 18 00 33 00 35 00 37 00 57 00 45 .......3 .5.7.W.E [1B0] 00 53 00 7E 00 31 00 2E 00 44 00 4F 00 43 00 33 .S.~.1.. .D.O.C.3 [1C0] 00 35 00 37 00 20 00 57 00 45 00 53 00 54 00 42 .5.7. .W .E.S.T.B [1D0] 00 55 00 52 00 59 00 20 00 44 00 48 00 2E 00 64 .U.R.Y. .D.H...d [1E0] 00 6F 00 63 00 00 00 00 00 70 00 00 00 00 00 00 .o.c.... .p...... [1F0] 00 F2 6D C3 6A 8F 88 C6 01 F0 F6 1D D4 76 9F C8 ..m.j... .....v.. got smb length of 100 size=100 smb_com=0x32 smb_rcls=0 smb_reh=0 smb_err=0 smb_flg=136 smb_flg2=51205 smb_tid=6145 smb_pid=26280 smb_uid=10240 smb_mid=24 smt_wct=10 smb_vwv[ 0]= 10 (0xA) smb_vwv[ 1]=16620 (0x40EC) smb_vwv[ 2]= 0 (0x0) smb_vwv[ 3]= 0 (0x0) smb_vwv[ 4]= 56 (0x38) smb_vwv[ 5]= 10 (0xA) smb_vwv[ 6]= 44 (0x2C) smb_vwv[ 7]= 56 (0x38) smb_vwv[ 8]=16576 (0x40C0) smb_vwv[ 9]= 0 (0x0) smb_bcc=45 [000] 00 69 00 65 00 6E 00 74 00 73 00 2D 00 77 00 68 .i.e.n.t .s.-.w.h [010] 00 61 00 74 00 20 00 74 00 6F 00 20 00 73 00 65 .a.t. .t .o. .s.e [020] 00 6E 00 64 00 2E 00 64 00 6F 00 63 00 .n.d...d .o.c. client_check_incoming_message: received message with mid 24 with no matching send record. SMB Signature verification failed on incoming packet! Server packet had invalid SMB signature! listing \Sales\* Error in dskattr: Server packet had invalid SMB signature! Total bytes listed: 0