I have 5.30 running on Ubuntu workstation. It has become sluggish and almost non responsive at times. I captured this in the log the other day...no source, no destination address. Maybe got stuck in a loop? Have to restart Ubuntu to clear it up.
stunnel2@stunnel2:~$ /etc/init.d/stunnel4 restart [....] Restarting stunnel4 (via systemctl): stunnel4.serviceFailed to restart stunnel4.service: Access denied See system logs and 'systemctl status stunnel4.service' for details. failed! stunnel2@stunnel2:~$ sudo tail -f -n 100 /var/log/stunnel.log sudo: unable to resolve host stunnel2: Connection timed out [sudo] password for stunnel2: 2019.03.13 04:06:14 LOG5[1149140]: Connection reset: 34440 byte(s) sent to SSL, 4886 byte(s) sent to socket 2019.03.13 04:38:56 LOG5[1142702]: Connection reset: 2362 byte(s) sent to SSL, 1225 byte(s) sent to socket 2019.03.13 05:09:32 LOG5[1137283]: Connection reset: 23006 byte(s) sent to SSL, 3977 byte(s) sent to socket 2019.03.13 05:51:57 LOG5[1109534]: Connection reset: 33953 byte(s) sent to SSL, 16755 byte(s) sent to socket 2019.03.13 05:58:36 LOG5[1139715]: Connection reset: 25039 byte(s) sent to SSL, 3944 byte(s) sent to socket 2019.03.13 06:25:12 LOG5[1137757]: Connection reset: 2863 byte(s) sent to SSL, 1329 byte(s) sent to socket 2019.03.13 06:49:19 LOG5[1137393]: Connection reset: 26536 byte(s) sent to SSL, 14839 byte(s) sent to socket 2019.03.13 06:51:35 LOG5[1137344]: Connection reset: 28968 byte(s) sent to SSL, 12986 byte(s) sent to socket 2019.03.13 07:10:28 LOG5[1137343]: Connection reset: 28655 byte(s) sent to SSL, 7632 byte(s) sent to socket 2019.03.13 07:30:52 LOG5[1136403]: Connection reset: 25466 byte(s) sent to SSL, 6767 byte(s) sent to socket 2019.03.13 07:35:33 LOG5[1141675]: Connection reset: 28637 byte(s) sent to SSL, 15044 byte(s) sent to socket 2019.03.13 07:39:21 LOG5[1121823]: Connection reset: 47442 byte(s) sent to SSL, 67336 byte(s) sent to socket 2019.03.13 07:39:58 LOG5[1148822]: Connection reset: 25003 byte(s) sent to SSL, 9295 byte(s) sent to socket 2019.03.13 07:40:29 LOG5[1127468]: Connection reset: 57030 byte(s) sent to SSL, 73806 byte(s) sent to socket 2019.03.13 07:46:08 LOG5[1107655]: Connection reset: 84608 byte(s) sent to SSL, 125726 byte(s) sent to socket 2019.03.13 07:49:49 LOG5[1140561]: Connection reset: 27344 byte(s) sent to SSL, 11112 byte(s) sent to socket 2019.03.13 07:59:23 LOG5[1106646]: Connection reset: 9970 byte(s) sent to SSL, 5355 byte(s) sent to socket 2019.03.13 08:01:27 LOG5[1143613]: Connection reset: 26733 byte(s) sent to SSL, 8993 byte(s) sent to socket 2019.03.13 08:02:28 LOG5[1141251]: Connection reset: 49897 byte(s) sent to SSL, 62187 byte(s) sent to socket 2019.03.13 08:03:11 LOG5[1139045]: Connection reset: 24669 byte(s) sent to SSL, 4580 byte(s) sent to socket 2019.03.13 08:05:13 LOG5[1137322]: Connection reset: 39408 byte(s) sent to SSL, 33428 byte(s) sent to socket 2019.03.13 08:07:56 LOG5[1151696]: Connection reset: 23577 byte(s) sent to SSL, 5415 byte(s) sent to socket 2019.03.13 08:11:12 LOG5[1136170]: Connection reset: 64684 byte(s) sent to SSL, 36839 byte(s) sent to socket 2019.03.13 08:11:55 LOG5[1141693]: Connection reset: 22826 byte(s) sent to SSL, 5186 byte(s) sent to socket 2019.03.13 08:15:30 LOG5[1140377]: Connection reset: 42452 byte(s) sent to SSL, 39471 byte(s) sent to socket 2019.03.13 08:18:29 LOG5[1154893]: Connection reset: 21190 byte(s) sent to SSL, 3096 byte(s) sent to socket 2019.03.13 08:22:14 LOG5[1153488]: Connection reset: 23506 byte(s) sent to SSL, 5081 byte(s) sent to socket 2019.03.13 08:24:34 LOG5[1153167]: Connection reset: 46285 byte(s) sent to SSL, 8378 byte(s) sent to socket 2019.03.13 08:26:25 LOG5[1145557]: Connection reset: 26015 byte(s) sent to SSL, 6055 byte(s) sent to socket 2019.03.13 08:29:34 LOG5[1030096]: Connection reset: 89657 byte(s) sent to SSL, 120807 byte(s) sent to socket 2019.03.13 08:30:36 LOG5[1081623]: Connection reset: 51409 byte(s) sent to SSL, 50378 byte(s) sent to socket 2019.03.13 08:32:23 LOG5[1149449]: Connection reset: 28329 byte(s) sent to SSL, 12655 byte(s) sent to socket 2019.03.13 08:32:33 LOG5[1106312]: Connection reset: 52138 byte(s) sent to SSL, 58239 byte(s) sent to socket 2019.03.13 08:33:46 LOG5[1137325]: Connection reset: 36900 byte(s) sent to SSL, 29750 byte(s) sent to socket 2019.03.13 08:36:35 LOG5[1145147]: Connection reset: 31740 byte(s) sent to SSL, 21114 byte(s) sent to socket 2019.03.13 08:38:59 LOG5[1133239]: Connection reset: 44816 byte(s) sent to SSL, 18743 byte(s) sent to socket 2019.03.13 08:41:04 LOG5[1148129]: Connection reset: 32191 byte(s) sent to SSL, 20525 byte(s) sent to socket 2019.03.13 08:43:55 LOG5[1150567]: Connection reset: 27989 byte(s) sent to SSL, 12627 byte(s) sent to socket 2019.03.13 08:47:21 LOG5[1146666]: Connection reset: 29242 byte(s) sent to SSL, 13836 byte(s) sent to socket 2019.03.13 08:49:26 LOG5[main]: Terminated 2019.03.13 08:58:32 LOG5[ui]: stunnel 5.30 on x86_64-pc-linux-gnu platform 2019.03.13 08:58:32 LOG5[ui]: Compiled/running with OpenSSL 1.0.2g 1 Mar 2016 2019.03.13 08:58:32 LOG5[ui]: Threading:PTHREAD Sockets:POLL,IPv6,SYSTEMD TLS:ENGINE,FIPS,OCSP,PSK,SNI Auth:LIBWRAP 2019.03.13 08:58:32 LOG5[ui]: Reading configuration from file /etc/stunnel/stunnel.conf 2019.03.13 08:58:32 LOG5[ui]: UTF-8 byte order mark detected 2019.03.13 08:58:32 LOG5[ui]: FIPS mode disabled 2019.03.13 08:58:36 LOG5[ui]: Configuration successful [UMC Color Logo - small]<http://www.universalmoney.com/> Joe Phillips SVP-IT 15301 W. 87th Street Parkway, Suite 215 Lenexa, KS 66219 Corp Office 913.831.2055 Direct via Cell 913.927.5691 www.universalmoney.com
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