Eric's picture

I have a fresh install of turnkey-postgresql-16.1-buster-amd64 on its own box. All updates done. Web Shell (shellinabox) connects and stays connected. Adminer connects and stays connected. Webmin 1.97 connects for about 15 to 20 seconds then loses connection. None of my other instances of Webmin 1.995, 1.831, on other servers, do this. After losing connection I cannot reconnect to Webmin until I reboot or I run "systemctl restart webmin" from "Web Shell". Then the problem repeats.

The odd thing is if I turn off my Windows Firewall I can connect to Webmin without losing connection. I tried allowing inbound and out bound TCP and UDP ports, 12321 and 10000, in my firewall with no joy. I've tried three different web browsers.

I did connect to Webmin from another workstation and stayed connected.
All workstations: Windows 10 Pro 21H2

Any ideas what is causing my issue and how to fix it ?

 

 

Thanks

Forum: 
Jeremy Davis's picture

It sounds like a strange one. By default Webmin (served on localhost:10000) is publicly accessible via Stunnel (on 0.0.0.0:12321). So it's strange that restarting Webmin resolves it?

When you say it looses connection, can you please be more explicit? E.g. does it say "connection refused" or similar?

Also, I suggest that you check the logs (or more so the journal these days). The Stunnel service should be called 'stunnel4@webmin.service'. So to get a combined journal of both of these, try this:

journalctl -b -u webmin.service -u stunnel4@webmin.service

The '-b' is so it only shows messages from this boot. As you may have guessed, the '-u' is for the units to be included in the output.

Another thing that might be of value is "following" the journal (in an SSH session) while you recreate the issue. To "follow" a log is to view it's output live. Follow the journal with the '-f' switch (just swap '-f' for '-b' in my above example).

Hopefully armed with a bit more info we'll be able to work it out...

Eric's picture

When I say it loses connection I get this after about 50 seconds

AFTER REBOOT Before running Webmin

root@postgresql ~# journalctl -b -u webmin.service -u stunnel4@webmin.service

-- Logs begin at Thu 2022-07-21 12:57:18 CDT, end at Thu 2022-07-21 12:57:37 CDT. --                                                                                          

Jul 21 12:57:22 postgresql systemd[1]: Starting Universal SSL tunnel for network daemons (webmin)...                                                                          
Jul 21 12:57:22 postgresql stunnel[541]: LOG5[ui]: stunnel 5.50 on x86_64-pc-linux-gnu platform                                                                               
Jul 21 12:57:22 postgresql stunnel[541]: LOG5[ui]: Compiled with OpenSSL 1.1.1b  26 Feb 2019                                                                                   
Jul 21 12:57:22 postgresql stunnel[541]: LOG5[ui]: Running  with OpenSSL 1.1.1n  15 Mar 2022                                                                                  
Jul 21 12:57:22 postgresql stunnel[541]: LOG5[ui]: Threading:PTHREAD Sockets:POLL,IPv6,SYSTEMD TLS:ENGINE,FIPS,OCSP,PSK,SNI Auth:LIBWRAP                                      
Jul 21 12:57:22 postgresql stunnel[541]: LOG5[ui]: Reading configuration from file /etc/stunnel/webmin.conf                                                                    
Jul 21 12:57:22 postgresql stunnel[541]: LOG5[ui]: UTF-8 byte order mark not detected                                                                                         
Jul 21 12:57:22 postgresql stunnel[541]: LOG5[ui]: FIPS mode disabled                                                                                                         
Jul 21 12:57:22 postgresql stunnel[541]: LOG5[ui]: Configuration successful                                                                                                    
Jul 21 12:57:22 postgresql stunnel[541]: LOG5[ui]: Binding service [webmin] to :::12321: Address already in use (98)                                                          
Jul 21 12:57:22 postgresql stunnel[541]: LOG5[ui]: Switched to chroot directory: /var/lib/stunnel4/                                                                           
Jul 21 12:57:22 postgresql systemd[1]: Started Universal SSL tunnel for network daemons (webmin).                                                                              
Jul 21 12:57:22 postgresql systemd[1]: Starting Webmin Web based Admin UI...                                                                                                  
Jul 21 12:57:22 postgresql perl[573]: pam_unix(webmin:auth): authentication failure; logname= uid=0 euid=0 tty= ruser= rhost=  user=root                                      
Jul 21 12:57:24 postgresql webmin[573]: Webmin starting                                                         
Jul 21 12:57:24 postgresql systemd[1]: Started Webmin Web based Admin UI.                                                                                                     
root@postgresql ~#

 

50 seconds AFTER starting Webmin and getting the connection lost message

Jul 21 12:59:59 postgresql stunnel[559]: LOG5[0]: Service [webmin] accepted connection from 192.168.1.158:4183

Jul 21 12:59:59 postgresql stunnel[559]: LOG5[0]: s_connect: connected 127.0.0.1:10000

Jul 21 12:59:59 postgresql stunnel[559]: LOG5[0]: Service [webmin] connected remote server from 127.0.0.1:39956

Jul 21 12:59:59 postgresql stunnel[559]: LOG5[1]: Service [webmin] accepted connection from 192.168.1.158:4184

Jul 21 12:59:59 postgresql stunnel[559]: LOG5[1]: s_connect: connected 127.0.0.1:10000

Jul 21 12:59:59 postgresql stunnel[559]: LOG5[1]: Service [webmin] connected remote server from 127.0.0.1:39966

Jul 21 12:59:59 postgresql stunnel[559]: LOG3[1]: transfer: s_poll_wait: TIMEOUTclose exceeded: closing

Jul 21 12:59:59 postgresql stunnel[559]: LOG5[1]: Connection closed: 94046 byte(s) sent to TLS, 798 byte(s) sent to socket

Jul 21 12:59:59 postgresql stunnel[559]: LOG5[2]: Service [webmin] accepted connection from 192.168.1.158:4185

Jul 21 12:59:59 postgresql stunnel[559]: LOG5[3]: Service [webmin] accepted connection from 192.168.1.158:4186

Jul 21 12:59:59 postgresql stunnel[559]: LOG5[4]: Service [webmin] accepted connection from 192.168.1.158:4187

Jul 21 12:59:59 postgresql stunnel[559]: LOG5[2]: s_connect: connected 127.0.0.1:10000

Jul 21 12:59:59 postgresql stunnel[559]: LOG5[2]: Service [webmin] connected remote server from 127.0.0.1:39972

Jul 21 12:59:59 postgresql stunnel[559]: LOG5[3]: s_connect: connected 127.0.0.1:10000

Jul 21 12:59:59 postgresql stunnel[559]: LOG5[3]: Service [webmin] connected remote server from 127.0.0.1:39984

Jul 21 12:59:59 postgresql stunnel[559]: LOG5[4]: s_connect: connected 127.0.0.1:10000

Jul 21 12:59:59 postgresql stunnel[559]: LOG5[4]: Service [webmin] connected remote server from 127.0.0.1:39994

Jul 21 12:59:59 postgresql stunnel[559]: LOG5[5]: Service [webmin] accepted connection from 192.168.1.158:4188

Jul 21 12:59:59 postgresql stunnel[559]: LOG5[6]: Service [webmin] accepted connection from 192.168.1.158:4189

Jul 21 12:59:59 postgresql stunnel[559]: LOG5[7]: Service [webmin] accepted connection from 192.168.1.158:4190

Jul 21 12:59:59 postgresql stunnel[559]: LOG5[5]: s_connect: connected 127.0.0.1:10000

Jul 21 12:59:59 postgresql stunnel[559]: LOG5[5]: Service [webmin] connected remote server from 127.0.0.1:40002

Jul 21 12:59:59 postgresql stunnel[559]: LOG5[6]: s_connect: connected 127.0.0.1:10000

Jul 21 12:59:59 postgresql stunnel[559]: LOG5[6]: Service [webmin] connected remote server from 127.0.0.1:40006

Jul 21 12:59:59 postgresql stunnel[559]: LOG5[7]: s_connect: connected 127.0.0.1:10000

Jul 21 12:59:59 postgresql stunnel[559]: LOG5[7]: Service [webmin] connected remote server from 127.0.0.1:40010

Jul 21 12:59:59 postgresql stunnel[559]: LOG5[8]: Service [webmin] accepted connection from 192.168.1.158:4191

Jul 21 12:59:59 postgresql stunnel[559]: LOG5[8]: s_connect: connected 127.0.0.1:10000

Jul 21 12:59:59 postgresql stunnel[559]: LOG5[8]: Service [webmin] connected remote server from 127.0.0.1:40024

Jul 21 12:59:59 postgresql stunnel[559]: LOG5[9]: Service [webmin] accepted connection from 192.168.1.158:4192

Jul 21 12:59:59 postgresql stunnel[559]: LOG5[9]: s_connect: connected 127.0.0.1:10000

Jul 21 12:59:59 postgresql stunnel[559]: LOG5[9]: Service [webmin] connected remote server from 127.0.0.1:40038

Jul 21 12:59:59 postgresql stunnel[559]: LOG3[6]: transfer: s_poll_wait: TIMEOUTclose exceeded: closing

Jul 21 12:59:59 postgresql stunnel[559]: LOG5[6]: Connection closed: 637274 byte(s) sent to TLS, 2094 byte(s) sent to socket

Jul 21 12:59:59 postgresql stunnel[559]: LOG3[5]: transfer: s_poll_wait: TIMEOUTclose exceeded: closing

Jul 21 12:59:59 postgresql stunnel[559]: LOG5[5]: Connection closed: 406512 byte(s) sent to TLS, 1413 byte(s) sent to socket

Jul 21 12:59:59 postgresql stunnel[559]: LOG3[7]: transfer: s_poll_wait: TIMEOUTclose exceeded: closing

Jul 21 12:59:59 postgresql stunnel[559]: LOG5[7]: Connection closed: 6882 byte(s) sent to TLS, 1417 byte(s) sent to socket

Jul 21 13:00:00 postgresql stunnel[559]: LOG5[10]: Service [webmin] accepted connection from 192.168.1.158:4193

Jul 21 13:00:00 postgresql stunnel[559]: LOG5[10]: s_connect: connected 127.0.0.1:10000

Jul 21 13:00:00 postgresql stunnel[559]: LOG5[10]: Service [webmin] connected remote server from 127.0.0.1:40046

Jul 21 13:00:00 postgresql stunnel[559]: LOG5[11]: Service [webmin] accepted connection from 192.168.1.158:4194

Jul 21 13:00:00 postgresql stunnel[559]: LOG5[11]: s_connect: connected 127.0.0.1:10000

Jul 21 13:00:00 postgresql stunnel[559]: LOG5[11]: Service [webmin] connected remote server from 127.0.0.1:40052

Jul 21 13:00:00 postgresql stunnel[559]: LOG3[11]: transfer: s_poll_wait: TIMEOUTclose exceeded: closing

Jul 21 13:00:00 postgresql stunnel[559]: LOG5[11]: Connection closed: 138 byte(s) sent to TLS, 938 byte(s) sent to socket

Jul 21 13:00:00 postgresql stunnel[559]: LOG5[12]: Service [webmin] accepted connection from 192.168.1.158:4195

Jul 21 13:00:00 postgresql stunnel[559]: LOG5[12]: s_connect: connected 127.0.0.1:10000

Jul 21 13:00:00 postgresql stunnel[559]: LOG5[12]: Service [webmin] connected remote server from 127.0.0.1:40066

Jul 21 13:00:00 postgresql stunnel[559]: LOG5[13]: Service [webmin] accepted connection from 192.168.1.158:4196

Jul 21 13:00:00 postgresql stunnel[559]: LOG5[13]: s_connect: connected 127.0.0.1:10000

Jul 21 13:00:00 postgresql stunnel[559]: LOG5[13]: Service [webmin] connected remote server from 127.0.0.1:40070

Jul 21 13:00:00 postgresql stunnel[559]: LOG3[13]: transfer: s_poll_wait: TIMEOUTclose exceeded: closing

Jul 21 13:00:00 postgresql stunnel[559]: LOG5[13]: Connection closed: 145 byte(s) sent to TLS, 755 byte(s) sent to socket

Jul 21 13:00:00 postgresql stunnel[559]: LOG5[14]: Service [webmin] accepted connection from 192.168.1.158:4197

Jul 21 13:00:00 postgresql stunnel[559]: LOG5[14]: s_connect: connected 127.0.0.1:10000

Jul 21 13:00:00 postgresql stunnel[559]: LOG5[14]: Service [webmin] connected remote server from 127.0.0.1:40074

Jul 21 13:00:00 postgresql stunnel[559]: LOG5[15]: Service [webmin] accepted connection from 192.168.1.158:4198

Jul 21 13:00:00 postgresql stunnel[559]: LOG5[15]: s_connect: connected 127.0.0.1:10000

Jul 21 13:00:00 postgresql stunnel[559]: LOG5[15]: Service [webmin] connected remote server from 127.0.0.1:40076

Jul 21 13:00:00 postgresql stunnel[559]: LOG3[15]: transfer: s_poll_wait: TIMEOUTclose exceeded: closing

Jul 21 13:00:00 postgresql stunnel[559]: LOG5[15]: Connection closed: 3270 byte(s) sent to TLS, 929 byte(s) sent to socket

Jul 21 13:00:00 postgresql stunnel[559]: LOG5[16]: Service [webmin] accepted connection from 192.168.1.158:4199

Jul 21 13:00:00 postgresql stunnel[559]: LOG5[16]: s_connect: connected 127.0.0.1:10000

Jul 21 13:00:00 postgresql stunnel[559]: LOG5[16]: Service [webmin] connected remote server from 127.0.0.1:40086

Jul 21 13:00:00 postgresql stunnel[559]: LOG5[17]: Service [webmin] accepted connection from 192.168.1.158:4200

Jul 21 13:00:00 postgresql stunnel[559]: LOG5[17]: s_connect: connected 127.0.0.1:10000

Jul 21 13:00:00 postgresql stunnel[559]: LOG5[17]: Service [webmin] connected remote server from 127.0.0.1:40094

Jul 21 13:00:00 postgresql stunnel[559]: LOG3[17]: transfer: s_poll_wait: TIMEOUTclose exceeded: closing

Jul 21 13:00:00 postgresql stunnel[559]: LOG5[17]: Connection closed: 6194 byte(s) sent to TLS, 818 byte(s) sent to socket

Jul 21 13:00:00 postgresql stunnel[559]: LOG3[9]: transfer: s_poll_wait: TIMEOUTclose exceeded: closing

Jul 21 13:00:00 postgresql stunnel[559]: LOG5[9]: Connection closed: 4982 byte(s) sent to TLS, 2403 byte(s) sent to socket

Jul 21 13:00:03 postgresql stunnel[559]: LOG5[18]: Service [webmin] accepted connection from 192.168.1.158:4201

Jul 21 13:00:03 postgresql stunnel[559]: LOG5[18]: s_connect: connected 127.0.0.1:10000

Jul 21 13:00:03 postgresql stunnel[559]: LOG5[18]: Service [webmin] connected remote server from 127.0.0.1:40100

Jul 21 13:00:03 postgresql stunnel[559]: LOG5[19]: Service [webmin] accepted connection from 192.168.1.158:4202

Jul 21 13:00:03 postgresql stunnel[559]: LOG5[19]: s_connect: connected 127.0.0.1:10000

Jul 21 13:00:03 postgresql stunnel[559]: LOG5[19]: Service [webmin] connected remote server from 127.0.0.1:40112

Jul 21 13:00:04 postgresql stunnel[559]: LOG3[19]: transfer: s_poll_wait: TIMEOUTclose exceeded: closing

Jul 21 13:00:04 postgresql stunnel[559]: LOG5[19]: Connection closed: 654 byte(s) sent to TLS, 807 byte(s) sent to socket

Jul 21 13:00:04 postgresql stunnel[559]: LOG5[20]: Service [webmin] accepted connection from 192.168.1.158:4203

Jul 21 13:00:04 postgresql stunnel[559]: LOG5[20]: s_connect: connected 127.0.0.1:10000

Jul 21 13:00:04 postgresql stunnel[559]: LOG5[20]: Service [webmin] connected remote server from 127.0.0.1:40118

Jul 21 13:00:04 postgresql stunnel[559]: LOG5[21]: Service [webmin] accepted connection from 192.168.1.158:4204

Jul 21 13:00:04 postgresql stunnel[559]: LOG5[21]: s_connect: connected 127.0.0.1:10000

Jul 21 13:00:04 postgresql stunnel[559]: LOG5[21]: Service [webmin] connected remote server from 127.0.0.1:40128

Jul 21 13:00:05 postgresql stunnel[559]: LOG3[21]: transfer: s_poll_wait: TIMEOUTclose exceeded: closing

Jul 21 13:00:05 postgresql stunnel[559]: LOG5[21]: Connection closed: 8535 byte(s) sent to TLS, 812 byte(s) sent to socket

Jul 21 13:00:05 postgresql stunnel[559]: LOG5[22]: Service [webmin] accepted connection from 192.168.1.158:4205

Jul 21 13:00:05 postgresql stunnel[559]: LOG5[22]: s_connect: connected 127.0.0.1:10000

Jul 21 13:00:05 postgresql stunnel[559]: LOG5[22]: Service [webmin] connected remote server from 127.0.0.1:40144

Jul 21 13:00:05 postgresql stunnel[559]: LOG5[23]: Service [webmin] accepted connection from 192.168.1.158:4206

Jul 21 13:00:05 postgresql stunnel[559]: LOG5[23]: s_connect: connected 127.0.0.1:10000

Jul 21 13:00:05 postgresql stunnel[559]: LOG5[23]: Service [webmin] connected remote server from 127.0.0.1:40160

Jul 21 13:00:06 postgresql stunnel[559]: LOG3[23]: transfer: s_poll_wait: TIMEOUTclose exceeded: closing

Jul 21 13:00:06 postgresql stunnel[559]: LOG5[23]: Connection closed: 658 byte(s) sent to TLS, 807 byte(s) sent to socket

Jul 21 13:00:07 postgresql stunnel[559]: LOG5[24]: Service [webmin] accepted connection from 192.168.1.158:4207

Jul 21 13:00:07 postgresql stunnel[559]: LOG5[24]: s_connect: connected 127.0.0.1:10000

Jul 21 13:00:07 postgresql stunnel[559]: LOG5[24]: Service [webmin] connected remote server from 127.0.0.1:55118

Jul 21 13:00:07 postgresql stunnel[559]: LOG5[25]: Service [webmin] accepted connection from 192.168.1.158:4208

Jul 21 13:00:07 postgresql stunnel[559]: LOG5[25]: s_connect: connected 127.0.0.1:10000

Jul 21 13:00:07 postgresql stunnel[559]: LOG5[25]: Service [webmin] connected remote server from 127.0.0.1:55122

Jul 21 13:00:09 postgresql stunnel[559]: LOG3[25]: transfer: s_poll_wait: TIMEOUTclose exceeded: closing

Jul 21 13:00:09 postgresql stunnel[559]: LOG5[25]: Connection closed: 658 byte(s) sent to TLS, 807 byte(s) sent to socket

Jul 21 13:00:10 postgresql stunnel[559]: LOG5[26]: Service [webmin] accepted connection from 192.168.1.158:4209

Jul 21 13:00:10 postgresql stunnel[559]: LOG5[26]: s_connect: connected 127.0.0.1:10000

Jul 21 13:00:10 postgresql stunnel[559]: LOG5[26]: Service [webmin] connected remote server from 127.0.0.1:55138

Jul 21 13:00:10 postgresql stunnel[559]: LOG5[27]: Service [webmin] accepted connection from 192.168.1.158:4210

Jul 21 13:00:10 postgresql stunnel[559]: LOG5[27]: s_connect: connected 127.0.0.1:10000

Jul 21 13:00:10 postgresql stunnel[559]: LOG5[27]: Service [webmin] connected remote server from 127.0.0.1:55154

Jul 21 13:00:11 postgresql stunnel[559]: LOG3[27]: transfer: s_poll_wait: TIMEOUTclose exceeded: closing

Jul 21 13:00:11 postgresql stunnel[559]: LOG5[27]: Connection closed: 654 byte(s) sent to TLS, 807 byte(s) sent to socket

Jul 21 13:00:12 postgresql stunnel[559]: LOG5[28]: Service [webmin] accepted connection from 192.168.1.158:4211

Jul 21 13:00:12 postgresql stunnel[559]: LOG5[28]: s_connect: connected 127.0.0.1:10000

Jul 21 13:00:12 postgresql stunnel[559]: LOG5[28]: Service [webmin] connected remote server from 127.0.0.1:55166

Jul 21 13:00:12 postgresql stunnel[559]: LOG5[29]: Service [webmin] accepted connection from 192.168.1.158:4212

Jul 21 13:00:12 postgresql stunnel[559]: LOG5[29]: s_connect: connected 127.0.0.1:10000

Jul 21 13:00:12 postgresql stunnel[559]: LOG5[29]: Service [webmin] connected remote server from 127.0.0.1:55178

Jul 21 13:00:13 postgresql stunnel[559]: LOG3[29]: transfer: s_poll_wait: TIMEOUTclose exceeded: closing

Jul 21 13:00:13 postgresql stunnel[559]: LOG5[29]: Connection closed: 654 byte(s) sent to TLS, 807 byte(s) sent to socket

Jul 21 13:00:14 postgresql stunnel[559]: LOG5[30]: Service [webmin] accepted connection from 192.168.1.158:4213

Jul 21 13:00:14 postgresql stunnel[559]: LOG5[30]: s_connect: connected 127.0.0.1:10000

Jul 21 13:00:14 postgresql stunnel[559]: LOG5[30]: Service [webmin] connected remote server from 127.0.0.1:55190

Jul 21 13:00:14 postgresql stunnel[559]: LOG5[31]: Service [webmin] accepted connection from 192.168.1.158:4214

Jul 21 13:00:14 postgresql stunnel[559]: LOG5[31]: s_connect: connected 127.0.0.1:10000

Jul 21 13:00:14 postgresql stunnel[559]: LOG5[31]: Service [webmin] connected remote server from 127.0.0.1:55202

Jul 21 13:00:16 postgresql stunnel[559]: LOG3[31]: transfer: s_poll_wait: TIMEOUTclose exceeded: closing

Jul 21 13:00:16 postgresql stunnel[559]: LOG5[31]: Connection closed: 652 byte(s) sent to TLS, 807 byte(s) sent to socket

Jul 21 13:00:17 postgresql stunnel[559]: LOG5[32]: Service [webmin] accepted connection from 192.168.1.158:4215

Jul 21 13:00:17 postgresql stunnel[559]: LOG5[32]: s_connect: connected 127.0.0.1:10000

Jul 21 13:00:17 postgresql stunnel[559]: LOG5[32]: Service [webmin] connected remote server from 127.0.0.1:38814

Jul 21 13:00:17 postgresql stunnel[559]: LOG5[33]: Service [webmin] accepted connection from 192.168.1.158:4216

Jul 21 13:00:17 postgresql stunnel[559]: LOG5[33]: s_connect: connected 127.0.0.1:10000

Jul 21 13:00:17 postgresql stunnel[559]: LOG5[33]: Service [webmin] connected remote server from 127.0.0.1:38830

Jul 21 13:00:18 postgresql stunnel[559]: LOG3[33]: transfer: s_poll_wait: TIMEOUTclose exceeded: closing

Jul 21 13:00:18 postgresql stunnel[559]: LOG5[33]: Connection closed: 654 byte(s) sent to TLS, 807 byte(s) sent to socket

Jul 21 13:00:19 postgresql stunnel[559]: LOG5[34]: Service [webmin] accepted connection from 192.168.1.158:4217

Jul 21 13:00:19 postgresql stunnel[559]: LOG5[34]: s_connect: connected 127.0.0.1:10000

Jul 21 13:00:19 postgresql stunnel[559]: LOG5[34]: Service [webmin] connected remote server from 127.0.0.1:38842

Jul 21 13:00:19 postgresql stunnel[559]: LOG5[35]: Service [webmin] accepted connection from 192.168.1.158:4218

Jul 21 13:00:19 postgresql stunnel[559]: LOG5[35]: s_connect: connected 127.0.0.1:10000

Jul 21 13:00:19 postgresql stunnel[559]: LOG5[35]: Service [webmin] connected remote server from 127.0.0.1:38856

Jul 21 13:00:20 postgresql stunnel[559]: LOG3[35]: transfer: s_poll_wait: TIMEOUTclose exceeded: closing

Jul 21 13:00:20 postgresql stunnel[559]: LOG5[35]: Connection closed: 654 byte(s) sent to TLS, 807 byte(s) sent to socket

Jul 21 13:00:22 postgresql stunnel[559]: LOG5[36]: Service [webmin] accepted connection from 192.168.1.158:4219

Jul 21 13:00:22 postgresql stunnel[559]: LOG5[36]: s_connect: connected 127.0.0.1:10000

Jul 21 13:00:22 postgresql stunnel[559]: LOG5[36]: Service [webmin] connected remote server from 127.0.0.1:38864

Jul 21 13:00:22 postgresql stunnel[559]: LOG5[37]: Service [webmin] accepted connection from 192.168.1.158:4220

Jul 21 13:00:22 postgresql stunnel[559]: LOG5[37]: s_connect: connected 127.0.0.1:10000

Jul 21 13:00:22 postgresql stunnel[559]: LOG5[37]: Service [webmin] connected remote server from 127.0.0.1:38876

Jul 21 13:00:23 postgresql stunnel[559]: LOG3[37]: transfer: s_poll_wait: TIMEOUTclose exceeded: closing

Jul 21 13:00:23 postgresql stunnel[559]: LOG5[37]: Connection closed: 658 byte(s) sent to TLS, 807 byte(s) sent to socket

Jul 21 13:00:24 postgresql stunnel[559]: LOG5[38]: Service [webmin] accepted connection from 192.168.1.158:4221

Jul 21 13:00:24 postgresql stunnel[559]: LOG5[38]: s_connect: connected 127.0.0.1:10000

Jul 21 13:00:24 postgresql stunnel[559]: LOG5[38]: Service [webmin] connected remote server from 127.0.0.1:38880

Jul 21 13:00:24 postgresql stunnel[559]: LOG5[39]: Service [webmin] accepted connection from 192.168.1.158:4222

Jul 21 13:00:24 postgresql stunnel[559]: LOG5[39]: s_connect: connected 127.0.0.1:10000

Jul 21 13:00:24 postgresql stunnel[559]: LOG5[39]: Service [webmin] connected remote server from 127.0.0.1:38890

Jul 21 13:00:25 postgresql stunnel[559]: LOG3[39]: transfer: s_poll_wait: TIMEOUTclose exceeded: closing

Jul 21 13:00:25 postgresql stunnel[559]: LOG5[39]: Connection closed: 651 byte(s) sent to TLS, 807 byte(s) sent to socket

Jul 21 13:00:26 postgresql stunnel[559]: LOG5[40]: Service [webmin] accepted connection from 192.168.1.158:4223

Jul 21 13:00:26 postgresql stunnel[559]: LOG5[40]: s_connect: connected 127.0.0.1:10000

Jul 21 13:00:26 postgresql stunnel[559]: LOG5[40]: Service [webmin] connected remote server from 127.0.0.1:38088

Jul 21 13:00:26 postgresql stunnel[559]: LOG5[41]: Service [webmin] accepted connection from 192.168.1.158:4224

Jul 21 13:00:26 postgresql stunnel[559]: LOG5[41]: s_connect: connected 127.0.0.1:10000

Jul 21 13:00:26 postgresql stunnel[559]: LOG5[41]: Service [webmin] connected remote server from 127.0.0.1:38090

Jul 21 13:00:27 postgresql stunnel[559]: LOG3[41]: transfer: s_poll_wait: TIMEOUTclose exceeded: closing

Jul 21 13:00:27 postgresql stunnel[559]: LOG5[41]: Connection closed: 655 byte(s) sent to TLS, 807 byte(s) sent to socket

Jul 21 13:00:29 postgresql stunnel[559]: LOG5[42]: Service [webmin] accepted connection from 192.168.1.158:4225

Jul 21 13:00:29 postgresql stunnel[559]: LOG5[42]: s_connect: connected 127.0.0.1:10000

Jul 21 13:00:29 postgresql stunnel[559]: LOG5[42]: Service [webmin] connected remote server from 127.0.0.1:38092

Jul 21 13:00:29 postgresql stunnel[559]: LOG5[43]: Service [webmin] accepted connection from 192.168.1.158:4226

Jul 21 13:00:29 postgresql stunnel[559]: LOG5[43]: s_connect: connected 127.0.0.1:10000

Jul 21 13:00:29 postgresql stunnel[559]: LOG5[43]: Service [webmin] connected remote server from 127.0.0.1:38102

Jul 21 13:00:30 postgresql stunnel[559]: LOG3[43]: transfer: s_poll_wait: TIMEOUTclose exceeded: closing

Jul 21 13:00:30 postgresql stunnel[559]: LOG5[43]: Connection closed: 657 byte(s) sent to TLS, 807 byte(s) sent to socket

Jul 21 13:00:31 postgresql stunnel[559]: LOG5[44]: Service [webmin] accepted connection from 192.168.1.158:4229

Jul 21 13:00:31 postgresql stunnel[559]: LOG5[44]: s_connect: connected 127.0.0.1:10000

Jul 21 13:00:31 postgresql stunnel[559]: LOG5[44]: Service [webmin] connected remote server from 127.0.0.1:38118

Jul 21 13:00:31 postgresql stunnel[559]: LOG5[45]: Service [webmin] accepted connection from 192.168.1.158:4230

Jul 21 13:00:31 postgresql stunnel[559]: LOG5[45]: s_connect: connected 127.0.0.1:10000

Jul 21 13:00:31 postgresql stunnel[559]: LOG5[45]: Service [webmin] connected remote server from 127.0.0.1:38124

Jul 21 13:00:32 postgresql stunnel[559]: LOG3[45]: transfer: s_poll_wait: TIMEOUTclose exceeded: closing

Jul 21 13:00:32 postgresql stunnel[559]: LOG5[45]: Connection closed: 658 byte(s) sent to TLS, 807 byte(s) sent to socket

Jul 21 13:00:33 postgresql stunnel[559]: LOG5[46]: Service [webmin] accepted connection from 192.168.1.158:4231

Jul 21 13:00:33 postgresql stunnel[559]: LOG5[46]: s_connect: connected 127.0.0.1:10000

Jul 21 13:00:33 postgresql stunnel[559]: LOG5[46]: Service [webmin] connected remote server from 127.0.0.1:38128

Jul 21 13:00:33 postgresql stunnel[559]: LOG5[47]: Service [webmin] accepted connection from 192.168.1.158:4232

Jul 21 13:00:33 postgresql stunnel[559]: LOG5[47]: s_connect: connected 127.0.0.1:10000

Jul 21 13:00:33 postgresql stunnel[559]: LOG5[47]: Service [webmin] connected remote server from 127.0.0.1:38140

Jul 21 13:00:35 postgresql stunnel[559]: LOG3[47]: transfer: s_poll_wait: TIMEOUTclose exceeded: closing

Jul 21 13:00:35 postgresql stunnel[559]: LOG5[47]: Connection closed: 654 byte(s) sent to TLS, 807 byte(s) sent to socket

Jul 21 13:00:36 postgresql stunnel[559]: LOG5[48]: Service [webmin] accepted connection from 192.168.1.158:4233

Jul 21 13:00:36 postgresql stunnel[559]: LOG5[48]: s_connect: connected 127.0.0.1:10000

Jul 21 13:00:36 postgresql stunnel[559]: LOG5[48]: Service [webmin] connected remote server from 127.0.0.1:38142

Jul 21 13:00:36 postgresql stunnel[559]: LOG5[49]: Service [webmin] accepted connection from 192.168.1.158:4234

Jul 21 13:00:36 postgresql stunnel[559]: LOG5[49]: s_connect: connected 127.0.0.1:10000

Jul 21 13:00:36 postgresql stunnel[559]: LOG5[49]: Service [webmin] connected remote server from 127.0.0.1:38148

Jul 21 13:00:37 postgresql stunnel[559]: LOG3[49]: transfer: s_poll_wait: TIMEOUTclose exceeded: closing

Jul 21 13:00:37 postgresql stunnel[559]: LOG5[49]: Connection closed: 658 byte(s) sent to TLS, 807 byte(s) sent to socket

Jul 21 13:00:38 postgresql stunnel[559]: LOG5[50]: Service [webmin] accepted connection from 192.168.1.158:4235

Jul 21 13:00:38 postgresql stunnel[559]: LOG5[50]: s_connect: connected 127.0.0.1:10000

Jul 21 13:00:38 postgresql stunnel[559]: LOG5[50]: Service [webmin] connected remote server from 127.0.0.1:46518

Jul 21 13:00:38 postgresql stunnel[559]: LOG5[51]: Service [webmin] accepted connection from 192.168.1.158:4236

Jul 21 13:00:38 postgresql stunnel[559]: LOG5[51]: s_connect: connected 127.0.0.1:10000

Jul 21 13:00:38 postgresql stunnel[559]: LOG5[51]: Service [webmin] connected remote server from 127.0.0.1:46522

Jul 21 13:00:38 postgresql stunnel[559]: LOG3[51]: transfer: s_poll_wait: TIMEOUTclose exceeded: closing

Jul 21 13:00:38 postgresql stunnel[559]: LOG5[51]: Connection closed: 0 byte(s) sent to TLS, 0 byte(s) sent to socket

Jul 21 13:00:41 postgresql stunnel[559]: LOG5[52]: Service [webmin] accepted connection from 192.168.1.158:4237

Jul 21 13:00:41 postgresql stunnel[559]: LOG5[52]: s_connect: connected 127.0.0.1:10000

Jul 21 13:00:41 postgresql stunnel[559]: LOG5[52]: Service [webmin] connected remote server from 127.0.0.1:46538

Jul 21 13:00:41 postgresql stunnel[559]: LOG3[52]: transfer: s_poll_wait: TIMEOUTclose exceeded: closing

Jul 21 13:00:41 postgresql stunnel[559]: LOG5[52]: Connection closed: 0 byte(s) sent to TLS, 0 byte(s) sent to socket

Jul 21 13:00:41 postgresql stunnel[559]: LOG5[53]: Service [webmin] accepted connection from 192.168.1.158:4238

Jul 21 13:00:42 postgresql stunnel[559]: LOG5[53]: s_connect: connected 127.0.0.1:10000

Jul 21 13:00:42 postgresql stunnel[559]: LOG5[53]: Service [webmin] connected remote server from 127.0.0.1:46548

Jul 21 13:00:42 postgresql stunnel[559]: LOG3[53]: transfer: s_poll_wait: TIMEOUTclose exceeded: closing

Jul 21 13:00:42 postgresql stunnel[559]: LOG5[53]: Connection closed: 0 byte(s) sent to TLS, 0 byte(s) sent to socket

Jul 21 13:00:45 postgresql stunnel[559]: LOG5[54]: Service [webmin] accepted connection from 192.168.1.158:4239

Jul 21 13:00:45 postgresql stunnel[559]: LOG5[54]: s_connect: connected 127.0.0.1:10000

Jul 21 13:00:45 postgresql stunnel[559]: LOG5[54]: Service [webmin] connected remote server from 127.0.0.1:46558

Jul 21 13:00:45 postgresql stunnel[559]: LOG3[54]: transfer: s_poll_wait: TIMEOUTclose exceeded: closing

Jul 21 13:00:45 postgresql stunnel[559]: LOG5[54]: Connection closed: 0 byte(s) sent to TLS, 0 byte(s) sent to socket

Jul 21 13:00:45 postgresql stunnel[559]: LOG5[55]: Service [webmin] accepted connection from 192.168.1.158:4240

Jul 21 13:00:45 postgresql stunnel[559]: LOG5[55]: s_connect: connected 127.0.0.1:10000

Jul 21 13:00:45 postgresql stunnel[559]: LOG5[55]: Service [webmin] connected remote server from 127.0.0.1:46566

Jul 21 13:00:45 postgresql stunnel[559]: LOG3[55]: transfer: s_poll_wait: TIMEOUTclose exceeded: closing

Jul 21 13:00:45 postgresql stunnel[559]: LOG5[55]: Connection closed: 0 byte(s) sent to TLS, 0 byte(s) sent to socket

Jul 21 13:00:48 postgresql stunnel[559]: LOG5[56]: Service [webmin] accepted connection from 192.168.1.158:4241

Jul 21 13:00:48 postgresql stunnel[559]: LOG5[56]: s_connect: connected 127.0.0.1:10000

Jul 21 13:00:48 postgresql stunnel[559]: LOG5[56]: Service [webmin] connected remote server from 127.0.0.1:60772

Jul 21 13:00:48 postgresql stunnel[559]: LOG3[56]: transfer: s_poll_wait: TIMEOUTclose exceeded: closing

Jul 21 13:00:48 postgresql stunnel[559]: LOG5[56]: Connection closed: 0 byte(s) sent to TLS, 0 byte(s) sent to socket

Jul 21 13:00:48 postgresql stunnel[559]: LOG5[57]: Service [webmin] accepted connection from 192.168.1.158:4242

Jul 21 13:00:48 postgresql stunnel[559]: LOG5[57]: s_connect: connected 127.0.0.1:10000

Jul 21 13:00:48 postgresql stunnel[559]: LOG5[57]: Service [webmin] connected remote server from 127.0.0.1:60776

Jul 21 13:00:48 postgresql stunnel[559]: LOG3[57]: transfer: s_poll_wait: TIMEOUTclose exceeded: closing

Jul 21 13:00:48 postgresql stunnel[559]: LOG5[57]: Connection closed: 0 byte(s) sent to TLS, 0 byte(s) sent to socket

Jul 21 13:00:48 postgresql stunnel[559]: LOG5[58]: Service [webmin] accepted connection from 192.168.1.158:4243

Jul 21 13:00:48 postgresql stunnel[559]: LOG5[58]: s_connect: connected 127.0.0.1:10000

Jul 21 13:00:48 postgresql stunnel[559]: LOG5[58]: Service [webmin] connected remote server from 127.0.0.1:60786

Jul 21 13:00:48 postgresql stunnel[559]: LOG3[58]: transfer: s_poll_wait: TIMEOUTclose exceeded: closing

Jul 21 13:00:48 postgresql stunnel[559]: LOG5[58]: Connection closed: 0 byte(s) sent to TLS, 0 byte(s) sent to socket

Jul 21 13:00:48 postgresql stunnel[559]: LOG5[59]: Service [webmin] accepted connection from 192.168.1.158:4244

Jul 21 13:00:48 postgresql stunnel[559]: LOG5[59]: s_connect: connected 127.0.0.1:10000

Jul 21 13:00:48 postgresql stunnel[559]: LOG5[59]: Service [webmin] connected remote server from 127.0.0.1:60788

Jul 21 13:00:48 postgresql stunnel[559]: LOG3[59]: transfer: s_poll_wait: TIMEOUTclose exceeded: closing

Jul 21 13:00:48 postgresql stunnel[559]: LOG5[59]: Connection closed: 0 byte(s) sent to TLS, 0 byte(s) sent to socket

Jul 21 13:00:48 postgresql stunnel[559]: LOG5[60]: Service [webmin] accepted connection from 192.168.1.158:4245

Jul 21 13:00:48 postgresql stunnel[559]: LOG5[60]: s_connect: connected 127.0.0.1:10000

Jul 21 13:00:48 postgresql stunnel[559]: LOG5[60]: Service [webmin] connected remote server from 127.0.0.1:60798

Jul 21 13:00:48 postgresql stunnel[559]: LOG3[60]: transfer: s_poll_wait: TIMEOUTclose exceeded: closing

Jul 21 13:00:48 postgresql stunnel[559]: LOG5[60]: Connection closed: 0 byte(s) sent to TLS, 0 byte(s) sent to socket

Jul 21 13:00:48 postgresql stunnel[559]: LOG5[61]: Service [webmin] accepted connection from 192.168.1.158:4246

Jul 21 13:00:48 postgresql stunnel[559]: LOG5[61]: s_connect: connected 127.0.0.1:10000

Jul 21 13:00:48 postgresql stunnel[559]: LOG5[61]: Service [webmin] connected remote server from 127.0.0.1:60814

Jul 21 13:00:48 postgresql stunnel[559]: LOG3[61]: transfer: s_poll_wait: TIMEOUTclose exceeded: closing

Jul 21 13:00:48 postgresql stunnel[559]: LOG5[61]: Connection closed: 0 byte(s) sent to TLS, 0 byte(s) sent to socket

Jul 21 13:00:51 postgresql stunnel[559]: LOG5[62]: Service [webmin] accepted connection from 192.168.1.158:4247

Jul 21 13:00:51 postgresql stunnel[559]: LOG5[62]: s_connect: connected 127.0.0.1:10000

Jul 21 13:00:51 postgresql stunnel[559]: LOG5[62]: Service [webmin] connected remote server from 127.0.0.1:60818

Jul 21 13:00:51 postgresql stunnel[559]: LOG3[62]: transfer: s_poll_wait: TIMEOUTclose exceeded: closing

Jul 21 13:00:51 postgresql stunnel[559]: LOG5[62]: Connection closed: 0 byte(s) sent to TLS, 0 byte(s) sent to socket

Jul 21 13:00:51 postgresql stunnel[559]: LOG5[63]: Service [webmin] accepted connection from 192.168.1.158:4248

Jul 21 13:00:51 postgresql stunnel[559]: LOG5[63]: s_connect: connected 127.0.0.1:10000

Jul 21 13:00:51 postgresql stunnel[559]: LOG5[63]: Service [webmin] connected remote server from 127.0.0.1:60834

Jul 21 13:00:51 postgresql stunnel[559]: LOG3[63]: transfer: s_poll_wait: TIMEOUTclose exceeded: closing

Jul 21 13:00:51 postgresql stunnel[559]: LOG5[63]: Connection closed: 0 byte(s) sent to TLS, 0 byte(s) sent to socket

Jul 21 13:00:54 postgresql stunnel[559]: LOG5[64]: Service [webmin] accepted connection from 192.168.1.158:4251

Jul 21 13:00:54 postgresql stunnel[559]: LOG5[64]: s_connect: connected 127.0.0.1:10000

Jul 21 13:00:54 postgresql stunnel[559]: LOG5[64]: Service [webmin] connected remote server from 127.0.0.1:60840

Jul 21 13:00:54 postgresql stunnel[559]: LOG3[64]: transfer: s_poll_wait: TIMEOUTclose exceeded: closing

Jul 21 13:00:54 postgresql stunnel[559]: LOG5[64]: Connection closed: 0 byte(s) sent to TLS, 0 byte(s) sent to socket

Jul 21 13:00:54 postgresql stunnel[559]: LOG5[65]: Service [webmin] accepted connection from 192.168.1.158:4252

Jul 21 13:00:54 postgresql stunnel[559]: LOG5[65]: s_connect: connected 127.0.0.1:10000

Jul 21 13:00:54 postgresql stunnel[559]: LOG5[65]: Service [webmin] connected remote server from 127.0.0.1:60846

Jul 21 13:00:54 postgresql stunnel[559]: LOG3[65]: transfer: s_poll_wait: TIMEOUTclose exceeded: closing

Jul 21 13:00:54 postgresql stunnel[559]: LOG5[65]: Connection closed: 0 byte(s) sent to TLS, 0 byte(s) sent to socket

Eric's picture

I figured it out. It was my ESET NOD32 Antivirus

Setup > Internet Protection settings > WEB AND EMAIL >
under
PROTOCOL FILTERING – If I add an exclusion to the IP address of the Postgres server all is good.
or
SSL/TLS – If I disable SSL/TLS protocol filtering all is good

I would be curious to know why it would kill Webmin to the point that I have to restart webmin. If you might have answer. If not, no worries.

Thank you for your time.

Jeremy Davis's picture

Glad to hear that you worked it out. Also apologies on such s slow response.

As to why your AV would kill Webmin, TBH, I'm not 100% sure. I suspect that whatever it's doing to the traffic is nothing that Webmin is expecting and doesn't know how to deal with that situation.

If you're really keen to work out what is going on, you'll need to capture the traffic (with something like Wireshark) and try to decode what it means. TBH, that's above my pay grade, so I won't be much assistance.

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