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#1
Member
Registered: Mar 2007
Distribution: Redhat &CentOS
Posts: 598
Rep:
Samba connectivity issue "smbd/negprot.c:reply_negprot(608) No protocol supported !"
HI,
Suddenly one of my samba client start failing to connect to the server, after the server is rebooted. No configuration changes to the smb.conf of the server.
Code:
2018/04/18 16:47:32, 6] param/loadparm.c:lp_file_list_changed(3108)
lp_file_list_changed()
file /etc/samba/smb.conf -> /etc/samba/smb.conf last mod_time: Mon Apr 10 09:37:42 2017
[2018/04/18 16:47:32, 3] smbd/oplock.c:init_oplocks(863)
init_oplocks: initializing messages.
[2018/04/18 16:47:32, 3] smbd/oplock_linux.c:linux_init_kernel_oplocks(234)
Linux kernel oplocks enabled
[2018/04/18 16:47:32, 10] lib/util_sock.c:read_smb_length_return_keepalive(623)
got smb length of 105
[2018/04/18 16:47:32, 3] lib/access.c:check_access(312)
check_access: no hostnames in host allow/deny list.
[2018/04/18 16:47:32, 2] lib/access.c:check_access(323)
Allowed connection from (192.168.0.125)
[2018/04/18 16:47:32, 6] smbd/process.c:process_smb(1082)
got message type 0x0 of len 0x69
[2018/04/18 16:47:32, 3] smbd/process.c:process_smb(1083)
Transaction 0 of length 109
[2018/04/18 16:47:32, 5] lib/util.c:show_msg(484)
[2018/04/18 16:47:32, 5] lib/util.c:show_msg(494)
size=105
smb_com=0x72
smb_rcls=0
smb_reh=0
smb_err=0
smb_flg=24
smb_flg2=51283
smb_tid=65535
smb_pid=65279
smb_uid=0
smb_mid=0
smt_wct=0
smb_bcc=70
[2018/04/18 16:47:32, 10] lib/util.c:dump_data(2264)
[000] 02 4E 6F 74 53 6D 62 00 02 4E 6F 74 53 6D 62 00 .NotSmb. .NotSmb.
[010] 02 4E 6F 74 53 6D 62 00 02 4E 6F 74 53 6D 62 00 .NotSmb. .NotSmb.
[020] 02 4E 6F 74 53 6D 62 00 02 4E 6F 74 53 6D 62 00 .NotSmb. .NotSmb.
[030] 02 53 4D 42 20 32 2E 30 30 32 00 02 53 4D 42 20 .SMB 2.0 02..SMB
[040] 32 2E 3F 3F 3F 00 2.???.
[2018/04/18 16:47:32, 3] smbd/process.c:switch_message(932)
switch message SMBnegprot (pid 29248) conn 0x0
[2018/04/18 16:47:32, 3] smbd/sec_ctx.c:set_sec_ctx(241)
setting sec ctx (0, 0) - sec_ctx_stack_ndx = 0
[2018/04/18 16:47:32, 5] auth/auth_util.c:debug_nt_user_token(448)
NT user token: (NULL)
[2018/04/18 16:47:32, 5] auth/auth_util.c:debug_unix_user_token(474)
UNIX token of user 0
Primary group is 0 and contains 0 supplementary groups
[2018/04/18 16:47:32, 5] smbd/uid.c:change_to_root_user(338)
change_to_root_user: now uid=(0,0) gid=(0,0)
[2018/04/18 16:47:32, 3] smbd/negprot.c:reply_negprot(505)
Requested protocol [NotSmb]
[2018/04/18 16:47:32, 3] smbd/negprot.c:reply_negprot(505)
Requested protocol [NotSmb]
[2018/04/18 16:47:32, 3] smbd/negprot.c:reply_negprot(505)
Requested protocol [NotSmb]
[2018/04/18 16:47:32, 3] smbd/negprot.c:reply_negprot(505)
Requested protocol [NotSmb]
[2018/04/18 16:47:32, 3] smbd/negprot.c:reply_negprot(505)
Requested protocol [NotSmb]
[2018/04/18 16:47:32, 3] smbd/negprot.c:reply_negprot(505)
Requested protocol [NotSmb]
[2018/04/18 16:47:32, 3] smbd/negprot.c:reply_negprot(505)
Requested protocol [SMB 2.002]
[2018/04/18 16:47:32, 3] smbd/negprot.c:reply_negprot(505)
Requested protocol [SMB 2.???]
[2018/04/18 16:47:32, 10] lib/util.c:set_remote_arch(2239)
set_remote_arch: Client arch is 'UNKNOWN'
[2018/04/18 16:47:32, 6] param/loadparm.c:lp_file_list_changed(3108)
lp_file_list_changed()
file /etc/samba/smb.conf -> /etc/samba/smb.conf last mod_time: Mon Apr 10 09:37:42 2017
[2018/04/18 16:47:32, 5] smbd/connection.c:claim_connection(182)
claiming 0
[2018/04/18 16:47:32, 0] smbd/negprot.c:reply_negprot(608)
No protocol supported !
[2018/04/18 16:47:32, 5] smbd/negprot.c:reply_negprot(612)
negprot index=-1
[2018/04/18 16:47:32, 5] lib/util.c:show_msg(484)
[2018/04/18 16:47:32, 5] lib/util.c:show_msg(494)
size=37
smb_com=0x72
smb_rcls=0
smb_reh=0
smb_err=0
smb_flg=136
smb_flg2=49153
smb_tid=65535
smb_pid=65279
smb_uid=0
smb_mid=0
smt_wct=1
smb_vwv[ 0]=65535 (0xFFFF)
smb_bcc=0
[2018/04/18 16:47:32, 0] lib/util_sock.c:read_data(534)
read_data: read failure for 4 bytes to client 192.168.0.125. Error = Connection reset by peer
[2018/04/18 16:47:32, 10] lib/util_sock.c:receive_smb_raw(671)
receive_smb_raw: length < 0!
[2018/04/18 16:47:32, 3] smbd/process.c:timeout_processing(1362)
timeout_processing: receive_smb error (Connection reset by peer) Exiting
[2018/04/18 16:47:32, 5] lib/gencache.c:gencache_shutdown(94)
Closing cache file
[2018/04/18 16:47:32, 5] libsmb/namecache.c:namecache_shutdown(79)
namecache_shutdown: netbios namecache closed successfully.
[2018/04/18 16:47:32, 3] smbd/sec_ctx.c:set_sec_ctx(241)
setting sec ctx (0, 0) - sec_ctx_stack_ndx = 0
[2018/04/18 16:47:32, 5] auth/auth_util.c:debug_nt_user_token(448)
NT user token: (NULL)
[2018/04/18 16:47:32, 5] auth/auth_util.c:debug_unix_user_token(474)
UNIX token of user 0
Primary group is 0 and contains 0 supplementary groups
[2018/04/18 16:47:32, 5] smbd/uid.c:change_to_root_user(338)
change_to_root_user: now uid=(0,0) gid=(0,0)
[2018/04/18 16:47:32, 3] smbd/connection.c:yield_connection(69)
Yielding connection to
[2018/04/18 16:47:32, 3] smbd/server.c:exit_server_common(766)
Server exit (normal exit)
[2018/04/18 16:47:32, 6] param/loadparm.c:lp_file_list_changed(3108)
lp_file_list_changed()
file /etc/samba/smb.conf -> /etc/samba/smb.conf last mod_time: Mon Apr 10 09:37:42 2017
[2018/04/18 16:47:32, 3] smbd/oplock.c:init_oplocks(863)
init_oplocks: initializing messages.
[2018/04/18 16:47:32, 3] smbd/oplock_linux.c:linux_init_kernel_oplocks(234)
Linux kernel oplocks enabled
[2018/04/18 16:47:32, 10] lib/util_sock.c:read_smb_length_return_keepalive(623)
got smb length of 105
[2018/04/18 16:47:32, 3] lib/access.c:check_access(312)
check_access: no hostnames in host allow/deny list.
[2018/04/18 16:47:32, 2] lib/access.c:check_access(323)
Allowed connection from (192.168.0.125)
[2018/04/18 16:47:32, 6] smbd/process.c:process_smb(1082)
got message type 0x0 of len 0x69
[2018/04/18 16:47:32, 3] smbd/process.c:process_smb(1083)
Transaction 0 of length 109
[2018/04/18 16:47:32, 5] lib/util.c:show_msg(484)
[2018/04/18 16:47:32, 5] lib/util.c:show_msg(494)
size=105
smb_com=0x72
smb_rcls=0
smb_reh=0
smb_err=0
smb_flg=24
smb_flg2=51283
smb_tid=65535
smb_pid=65279
smb_uid=0
smb_mid=0
smt_wct=0
smb_bcc=70
[2018/04/18 16:47:32, 10] lib/util.c:dump_data(2264)
[000] 02 4E 6F 74 53 6D 62 00 02 4E 6F 74 53 6D 62 00 .NotSmb. .NotSmb.
[010] 02 4E 6F 74 53 6D 62 00 02 4E 6F 74 53 6D 62 00 .NotSmb. .NotSmb.
[020] 02 4E 6F 74 53 6D 62 00 02 4E 6F 74 53 6D 62 00 .NotSmb. .NotSmb.
[030] 02 53 4D 42 20 32 2E 30 30 32 00 02 53 4D 42 20 .SMB 2.0 02..SMB
[040] 32 2E 3F 3F 3F 00 2.???.
[2018/04/18 16:47:32, 3] smbd/process.c:switch_message(932)
switch message SMBnegprot (pid 29249) conn 0x0
[2018/04/18 16:47:32, 3] smbd/sec_ctx.c:set_sec_ctx(241)
setting sec ctx (0, 0) - sec_ctx_stack_ndx = 0
[2018/04/18 16:47:32, 5] auth/auth_util.c:debug_nt_user_token(448)
NT user token: (NULL)
[2018/04/18 16:47:32, 5] auth/auth_util.c:debug_unix_user_token(474)
UNIX token of user 0
Primary group is 0 and contains 0 supplementary groups
[2018/04/18 16:47:32, 5] smbd/uid.c:change_to_root_user(338)
change_to_root_user: now uid=(0,0) gid=(0,0)
[2018/04/18 16:47:32, 3] smbd/negprot.c:reply_negprot(505)
Requested protocol [NotSmb]
[2018/04/18 16:47:32, 3] smbd/negprot.c:reply_negprot(505)
Requested protocol [NotSmb]
[2018/04/18 16:47:32, 3] smbd/negprot.c:reply_negprot(505)
Requested protocol [NotSmb]
[2018/04/18 16:47:32, 3] smbd/negprot.c:reply_negprot(505)
Requested protocol [NotSmb]
[2018/04/18 16:47:32, 3] smbd/negprot.c:reply_negprot(505)
Requested protocol [NotSmb]
[2018/04/18 16:47:32, 3] smbd/negprot.c:reply_negprot(505)
Requested protocol [NotSmb]
[2018/04/18 16:47:32, 3] smbd/negprot.c:reply_negprot(505)
Requested protocol [SMB 2.002]
[2018/04/18 16:47:32, 3] smbd/negprot.c:reply_negprot(505)
Requested protocol [SMB 2.???]
[2018/04/18 16:47:32, 10] lib/util.c:set_remote_arch(2239)
set_remote_arch: Client arch is 'UNKNOWN'
[2018/04/18 16:47:32, 6] param/loadparm.c:lp_file_list_changed(3108)
lp_file_list_changed()
file /etc/samba/smb.conf -> /etc/samba/smb.conf last mod_time: Mon Apr 10 09:37:42 2017
[2018/04/18 16:47:32, 5] smbd/connection.c:claim_connection(182)
claiming 0
[2018/04/18 16:47:32, 0] smbd/negprot.c:reply_negprot(608)
No protocol supported !
[2018/04/18 16:47:32, 5] smbd/negprot.c:reply_negprot(612)
negprot index=-1
[2018/04/18 16:47:32, 5] lib/util.c:show_msg(484)
[2018/04/18 16:47:32, 5] lib/util.c:show_msg(494)
size=37
smb_com=0x72
smb_rcls=0
smb_reh=0
smb_err=0
smb_flg=136
smb_flg2=49153
smb_tid=65535
smb_pid=65279
smb_uid=0
smb_mid=0
smt_wct=1
smb_vwv[ 0]=65535 (0xFFFF)
smb_bcc=0
[2018/04/18 16:47:32, 0] lib/util_sock.c:read_data(534)
read_data: read failure for 4 bytes to client 192.168.0.125. Error = Connection reset by peer
[2018/04/18 16:47:32, 10] lib/util_sock.c:receive_smb_raw(671)
receive_smb_raw: length < 0!
[2018/04/18 16:47:32, 3] smbd/process.c:timeout_processing(1362)
timeout_processing: receive_smb error (Connection reset by peer) Exiting
[2018/04/18 16:47:32, 5] lib/gencache.c:gencache_shutdown(94)
Closing cache file
[2018/04/18 16:47:32, 5] libsmb/namecache.c:namecache_shutdown(79)
namecache_shutdown: netbios namecache closed successfully.
[2018/04/18 16:47:32, 3] smbd/sec_ctx.c:set_sec_ctx(241)
setting sec ctx (0, 0) - sec_ctx_stack_ndx = 0
[2018/04/18 16:47:32, 5] auth/auth_util.c:debug_nt_user_token(448)
NT user token: (NULL)
[2018/04/18 16:47:32, 5] auth/auth_util.c:debug_unix_user_token(474)
UNIX token of user 0
Primary group is 0 and contains 0 supplementary groups
[2018/04/18 16:47:32, 5] smbd/uid.c:change_to_root_user(338)
change_to_root_user: now uid=(0,0) gid=(0,0)
[2018/04/18 16:47:32, 3] smbd/connection.c:yield_connection(69)
Yielding connection to
[2018/04/18 16:47:32, 3] smbd/server.c:exit_server_common(766)
Server exit (normal exit)
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