[stunnel-users] iOS 13.4.1 Blue Iris

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Hi I have been using stunnel or a number of years to create a secure
connect to CCTV recording software.
Today after upgrading to IOS 13.4.1 I can no longer connect
I ran generate self signed certificate, still fails.
Searching I found others with similar problem, some have created a cert
using other providers. I would prefer to generate from stunnel as I have
always done

config
[BlueIris]
accept=1440
connect=8080
cert = stunnel.pem

I am no expert, basically followed a simple setup
 read few comments that it maybe due to IOS no longer supporting certain
version of ssl
Hopefully you can help

Log
2020.05.11 22:59:04 LOG5[main]: stunnel 5.56 on x64-pc-mingw32-gnu platform
2020.05.11 22:59:04 LOG5[main]: Compiled/running with OpenSSL 1.1.1c  28
May 2019
2020.05.11 22:59:04 LOG5[main]: Threading:WIN32 Sockets:SELECT,IPv6
TLS:ENGINE,OCSP,PSK,SNI
2020.05.11 22:59:04 LOG5[main]: Reading configuration from file stunnel.conf
2020.05.11 22:59:04 LOG5[main]: UTF-8 byte order mark detected
2020.05.11 22:59:04 LOG6[main]: Initializing service [BlueIris]
2020.05.11 22:59:04 LOG6[main]: Loading certificate from file: stunnel.pem
2020.05.11 22:59:04 LOG6[main]: Certificate loaded from file: stunnel.pem
2020.05.11 22:59:04 LOG6[main]: Loading private key from file: stunnel.pem
2020.05.11 22:59:04 LOG6[main]: Private key loaded from file: stunnel.pem
2020.05.11 22:59:04 LOG6[main]: DH initialization not needed
2020.05.11 22:59:04 LOG6[main]: Initializing service [gmail-pop3]
2020.05.11 22:59:04 LOG6[main]: Initializing service [gmail-imap]
2020.05.11 22:59:04 LOG6[main]: Initializing service [gmail-smtp]
2020.05.11 22:59:04 LOG6[main]: Initializing service [meinberg-smtp]
2020.05.11 22:59:04 LOG6[main]: Loading certificate from file: stunnel.pem
2020.05.11 22:59:04 LOG6[main]: Certificate loaded from file: stunnel.pem
2020.05.11 22:59:04 LOG6[main]: Loading private key from file: stunnel.pem
2020.05.11 22:59:04 LOG6[main]: Private key loaded from file: stunnel.pem
2020.05.11 22:59:04 LOG4[main]: Service [meinberg-smtp] needs
authentication to prevent MITM attacks
2020.05.11 22:59:04 LOG5[main]: Configuration successful
2020.05.11 22:59:04 LOG6[main]: Service [BlueIris] (FD=564) bound to
0.0.0.0:1440
2020.05.11 22:59:04 LOG6[main]: Service [gmail-pop3] (FD=728) bound to
127.0.0.1:110
2020.05.11 22:59:04 LOG6[main]: Service [gmail-imap] (FD=732) bound to
127.0.0.1:143
2020.05.11 22:59:04 LOG6[main]: Service [gmail-smtp] (FD=736) bound to
0.0.0.0:25
2020.05.11 22:59:04 LOG6[main]: Service [meinberg-smtp] (FD=740) bound to
192.168.0.2:2525
2020.05.11 22:59:04 LOG6[cron]: Executing cron jobs
2020.05.11 22:59:04 LOG6[cron]: Cron jobs completed in 0 seconds
2020.05.11 22:59:55 LOG5[0]: Service [BlueIris] accepted connection from
192.168.0.142:58797
2020.05.11 22:59:55 LOG6[0]: Peer certificate not required
2020.05.11 22:59:55 LOG3[0]: SSL_accept: ssl/record/rec_layer_s3.c:1535:
error:14094417:SSL routines:ssl3_read_bytes:sslv3 alert illegal parameter
2020.05.11 22:59:55 LOG5[0]: Connection reset: 0 byte(s) sent to TLS, 0
byte(s) sent to socket
2020.05.11 22:59:55 LOG5[1]: Service [BlueIris] accepted connection from
192.168.0.142:58798
2020.05.11 22:59:55 LOG6[1]: Peer certificate not required
2020.05.11 22:59:55 LOG3[1]: SSL_accept: ssl/record/rec_layer_s3.c:1535:
error:14094417:SSL routines:ssl3_read_bytes:sslv3 alert illegal parameter
2020.05.11 22:59:55 LOG5[1]: Connection reset: 0 byte(s) sent to TLS, 0
byte(s) sent to socket
2020.05.11 22:59:55 LOG5[2]: Service [BlueIris] accepted connection from
192.168.0.142:58799
2020.05.11 22:59:55 LOG6[2]: Peer certificate not required
2020.05.11 22:59:55 LOG3[2]: SSL_accept: ssl/statem/statem_srvr.c:1746:
error:14209175:SSL
routines:tls_early_post_process_client_hello:inappropriate fallback
2020.05.11 22:59:55 LOG5[2]: Connection reset: 0 byte(s) sent to TLS, 0
byte(s) sent to socket
2020.05.11 22:59:55 LOG5[3]: Service [BlueIris] accepted connection from
192.168.0.142:58800
2020.05.11 22:59:55 LOG6[3]: Peer certificate not required
2020.05.11 22:59:55 LOG3[3]: SSL_accept: ssl/record/rec_layer_s3.c:1535:
error:14094417:SSL routines:ssl3_read_bytes:sslv3 alert illegal parameter
2020.05.11 22:59:55 LOG5[3]: Connection reset: 0 byte(s) sent to TLS, 0
byte(s) sent to socket
2020.05.11 22:59:55 LOG5[4]: Service [BlueIris] accepted connection from
192.168.0.142:58801
2020.05.11 22:59:55 LOG6[4]: Peer certificate not required
2020.05.11 22:59:55 LOG3[4]: SSL_accept: ssl/record/rec_layer_s3.c:1535:
error:14094417:SSL routines:ssl3_read_bytes:sslv3 alert illegal parameter
2020.05.11 22:59:55 LOG5[4]: Connection reset: 0 byte(s) sent to TLS, 0
byte(s) sent to socket
2020.05.11 22:59:55 LOG5[5]: Service [BlueIris] accepted connection from
192.168.0.142:58802
2020.05.11 22:59:55 LOG6[5]: Peer certificate not required
2020.05.11 22:59:55 LOG3[5]: SSL_accept: ssl/statem/statem_srvr.c:1746:
error:14209175:SSL
routines:tls_early_post_process_client_hello:inappropriate fallback
2020.05.11 22:59:55 LOG5[5]: Connection reset: 0 byte(s) sent to TLS, 0
byte(s) sent to socket
2020.05.11 22:59:55 LOG5[6]: Service [BlueIris] accepted connection from
192.168.0.142:58803
2020.05.11 22:59:55 LOG6[6]: Peer certificate not required
2020.05.11 22:59:55 LOG3[6]: SSL_accept: ssl/record/rec_layer_s3.c:1535:
error:14094417:SSL routines:ssl3_read_bytes:sslv3 alert illegal parameter
2020.05.11 22:59:55 LOG5[6]: Connection reset: 0 byte(s) sent to TLS, 0
byte(s) sent to socket
2020.05.11 22:59:55 LOG5[7]: Service [BlueIris] accepted connection from
192.168.0.142:58804
2020.05.11 22:59:55 LOG6[7]: Peer certificate not required
2020.05.11 22:59:55 LOG3[7]: SSL_accept: ssl/record/rec_layer_s3.c:1535:
error:14094417:SSL routines:ssl3_read_bytes:sslv3 alert illegal parameter
2020.05.11 22:59:55 LOG5[7]: Connection reset: 0 byte(s) sent to TLS, 0
byte(s) sent to socket
2020.05.11 22:59:55 LOG5[8]: Service [BlueIris] accepted connection from
192.168.0.142:58805
2020.05.11 22:59:55 LOG6[8]: Peer certificate not required
2020.05.11 22:59:55 LOG3[8]: SSL_accept: ssl/statem/statem_srvr.c:1746:
error:14209175:SSL
routines:tls_early_post_process_client_hello:inappropriate fallback
2020.05.11 22:59:55 LOG5[8]: Connection reset: 0 byte(s) sent to TLS, 0
byte(s) sent to socket
2020.05.11 22:59:55 LOG5[9]: Service [BlueIris] accepted connection from
192.168.0.142:58806
2020.05.11 22:59:55 LOG6[9]: Peer certificate not required
2020.05.11 22:59:55 LOG3[9]: SSL_accept: ssl/record/rec_layer_s3.c:1535:
error:14094417:SSL routines:ssl3_read_bytes:sslv3 alert illegal parameter
2020.05.11 22:59:55 LOG5[9]: Connection reset: 0 byte(s) sent to TLS, 0
byte(s) sent to socket
2020.05.11 22:59:55 LOG5[10]: Service [BlueIris] accepted connection from
192.168.0.142:58807
2020.05.11 22:59:55 LOG6[10]: Peer certificate not required
2020.05.11 22:59:55 LOG3[10]: SSL_accept: ssl/record/rec_layer_s3.c:1535:
error:14094417:SSL routines:ssl3_read_bytes:sslv3 alert illegal parameter
2020.05.11 22:59:55 LOG5[10]: Connection reset: 0 byte(s) sent to TLS, 0
byte(s) sent to socket
2020.05.11 22:59:55 LOG5[11]: Service [BlueIris] accepted connection from
192.168.0.142:58808
2020.05.11 22:59:55 LOG6[11]: Peer certificate not required
2020.05.11 22:59:55 LOG3[11]: SSL_accept: ssl/statem/statem_srvr.c:1746:
error:14209175:SSL
routines:tls_early_post_process_client_hello:inappropriate fallback
2020.05.11 22:59:55 LOG5[11]: Connection reset: 0 byte(s) sent to TLS, 0
byte(s) sent to socket
2020.05.11 22:59:55 LOG5[12]: Service [BlueIris] accepted connection from
192.168.0.142:58809
2020.05.11 22:59:55 LOG6[12]: Peer certificate not required
2020.05.11 22:59:55 LOG3[12]: SSL_accept: ssl/record/rec_layer_s3.c:1535:
error:14094417:SSL routines:ssl3_read_bytes:sslv3 alert illegal parameter
2020.05.11 22:59:55 LOG5[12]: Connection reset: 0 byte(s) sent to TLS, 0
byte(s) sent to socket
2020.05.11 22:59:55 LOG5[13]: Service [BlueIris] accepted connection from
192.168.0.142:58810
2020.05.11 22:59:55 LOG6[13]: Peer certificate not required
2020.05.11 22:59:55 LOG3[13]: SSL_accept: ssl/record/rec_layer_s3.c:1535:
error:14094417:SSL routines:ssl3_read_bytes:sslv3 alert illegal parameter
2020.05.11 22:59:55 LOG5[13]: Connection reset: 0 byte(s) sent to TLS, 0
byte(s) sent to socket
2020.05.11 22:59:55 LOG5[14]: Service [BlueIris] accepted connection from
192.168.0.142:58811
2020.05.11 22:59:55 LOG6[14]: Peer certificate not required
2020.05.11 22:59:55 LOG3[14]: SSL_accept: ssl/statem/statem_srvr.c:1746:
error:14209175:SSL
routines:tls_early_post_process_client_hello:inappropriate fallback
2020.05.11 22:59:55 LOG5[14]: Connection reset: 0 byte(s) sent to TLS, 0
byte(s) sent to socket
2020.05.11 22:59:56 LOG5[15]: Service [BlueIris] accepted connection from
192.168.0.142:58812
2020.05.11 22:59:56 LOG6[15]: Peer certificate not required
2020.05.11 22:59:56 LOG3[15]: SSL_accept: ssl/record/rec_layer_s3.c:1535:
error:14094417:SSL routines:ssl3_read_bytes:sslv3 alert illegal parameter
2020.05.11 22:59:56 LOG5[15]: Connection reset: 0 byte(s) sent to TLS, 0
byte(s) sent to socket
2020.05.11 22:59:56 LOG5[16]: Service [BlueIris] accepted connection from
192.168.0.142:58813
2020.05.11 22:59:56 LOG6[16]: Peer certificate not required
2020.05.11 22:59:56 LOG3[16]: SSL_accept: ssl/record/rec_layer_s3.c:1535:
error:14094417:SSL routines:ssl3_read_bytes:sslv3 alert illegal parameter
2020.05.11 22:59:56 LOG5[16]: Connection reset: 0 byte(s) sent to TLS, 0
byte(s) sent to socket
2020.05.11 22:59:56 LOG5[17]: Service [BlueIris] accepted connection from
192.168.0.142:58814
2020.05.11 22:59:56 LOG6[17]: Peer certificate not required
2020.05.11 22:59:56 LOG3[17]: SSL_accept: ssl/statem/statem_srvr.c:1746:
error:14209175:SSL
routines:tls_early_post_process_client_hello:inappropriate fallback
2020.05.11 22:59:56 LOG5[17]: Connection reset: 0 byte(s) sent to TLS, 0
byte(s) sent to socket
2020.05.11 23:00:04 LOG5[18]: Service [BlueIris] accepted connection from
192.168.0.142:58815
2020.05.11 23:00:04 LOG6[18]: Peer certificate not required
2020.05.11 23:00:04 LOG3[18]: SSL_accept: ssl/record/rec_layer_s3.c:1535:
error:14094417:SSL routines:ssl3_read_bytes:sslv3 alert illegal parameter
2020.05.11 23:00:04 LOG5[18]: Connection reset: 0 byte(s) sent to TLS, 0
byte(s) sent to socket
2020.05.11 23:00:04 LOG5[19]: Service [BlueIris] accepted connection from
192.168.0.142:58816
2020.05.11 23:00:04 LOG6[19]: Peer certificate not required
2020.05.11 23:00:04 LOG3[19]: SSL_accept: ssl/record/rec_layer_s3.c:1535:
error:14094417:SSL routines:ssl3_read_bytes:sslv3 alert illegal parameter
2020.05.11 23:00:04 LOG5[19]: Connection reset: 0 byte(s) sent to TLS, 0
byte(s) sent to socket
2020.05.11 23:00:04 LOG5[20]: Service [BlueIris] accepted connection from
192.168.0.142:58817
2020.05.11 23:00:04 LOG6[20]: Peer certificate not required
2020.05.11 23:00:04 LOG3[20]: SSL_accept: ssl/statem/statem_srvr.c:1746:
error:14209175:SSL
routines:tls_early_post_process_client_hello:inappropriate fallback
2020.05.11 23:00:04 LOG5[20]: Connection reset: 0 byte(s) sent to TLS, 0
byte(s) sent to socket
2020.05.11 23:00:04 LOG5[21]: Service [BlueIris] accepted connection from
192.168.0.142:58818
2020.05.11 23:00:04 LOG6[21]: Peer certificate not required
2020.05.11 23:00:04 LOG3[21]: SSL_accept: ssl/record/rec_layer_s3.c:1535:
error:14094417:SSL routines:ssl3_read_bytes:sslv3 alert illegal parameter
2020.05.11 23:00:04 LOG5[21]: Connection reset: 0 byte(s) sent to TLS, 0
byte(s) sent to socket
2020.05.11 23:00:04 LOG5[22]: Service [BlueIris] accepted connection from
192.168.0.142:58819
2020.05.11 23:00:04 LOG6[22]: Peer certificate not required
2020.05.11 23:00:04 LOG3[22]: SSL_accept: ssl/record/rec_layer_s3.c:1535:
error:14094417:SSL routines:ssl3_read_bytes:sslv3 alert illegal parameter
2020.05.11 23:00:04 LOG5[22]: Connection reset: 0 byte(s) sent to TLS, 0
byte(s) sent to socket
2020.05.11 23:00:04 LOG5[23]: Service [BlueIris] accepted connection from
192.168.0.142:58820
2020.05.11 23:00:04 LOG6[23]: Peer certificate not required
2020.05.11 23:00:04 LOG3[23]: SSL_accept: ssl/statem/statem_srvr.c:1746:
error:14209175:SSL
routines:tls_early_post_process_client_hello:inappropriate fallback
2020.05.11 23:00:04 LOG5[23]: Connection reset: 0 byte(s) sent to TLS, 0
byte(s) sent to socket
2020.05.11 23:00:04 LOG5[24]: Service [BlueIris] accepted connection from
192.168.0.142:58821
2020.05.11 23:00:04 LOG6[24]: Peer certificate not required
2020.05.11 23:00:04 LOG3[24]: SSL_accept: ssl/record/rec_layer_s3.c:1535:
error:14094417:SSL routines:ssl3_read_bytes:sslv3 alert illegal parameter
2020.05.11 23:00:04 LOG5[24]: Connection reset: 0 byte(s) sent to TLS, 0
byte(s) sent to socket
2020.05.11 23:00:04 LOG5[25]: Service [BlueIris] accepted connection from
192.168.0.142:58822
2020.05.11 23:00:04 LOG6[25]: Peer certificate not required
2020.05.11 23:00:04 LOG3[25]: SSL_accept: ssl/record/rec_layer_s3.c:1535:
error:14094417:SSL routines:ssl3_read_bytes:sslv3 alert illegal parameter
2020.05.11 23:00:04 LOG5[25]: Connection reset: 0 byte(s) sent to TLS, 0
byte(s) sent to socket
2020.05.11 23:00:04 LOG5[26]: Service [BlueIris] accepted connection from
192.168.0.142:58823
2020.05.11 23:00:04 LOG6[26]: Peer certificate not required
2020.05.11 23:00:04 LOG3[26]: SSL_accept: ssl/statem/statem_srvr.c:1746:
error:14209175:SSL
routines:tls_early_post_process_client_hello:inappropriate fallback
2020.05.11 23:00:04 LOG5[26]: Connection reset: 0 byte(s) sent to TLS, 0
byte(s) sent to socket
2020.05.11 23:00:04 LOG5[27]: Service [BlueIris] accepted connection from
192.168.0.142:58824
2020.05.11 23:00:04 LOG6[27]: Peer certificate not required
2020.05.11 23:00:04 LOG3[27]: SSL_accept: ssl/record/rec_layer_s3.c:1535:
error:14094417:SSL routines:ssl3_read_bytes:sslv3 alert illegal parameter
2020.05.11 23:00:04 LOG5[27]: Connection reset: 0 byte(s) sent to TLS, 0
byte(s) sent to socket
2020.05.11 23:00:04 LOG5[28]: Service [BlueIris] accepted connection from
192.168.0.142:58825
2020.05.11 23:00:04 LOG6[28]: Peer certificate not required
2020.05.11 23:00:04 LOG3[28]: SSL_accept: ssl/record/rec_layer_s3.c:1535:
error:14094417:SSL routines:ssl3_read_bytes:sslv3 alert illegal parameter
2020.05.11 23:00:04 LOG5[28]: Connection reset: 0 byte(s) sent to TLS, 0
byte(s) sent to socket
2020.05.11 23:00:04 LOG5[29]: Service [BlueIris] accepted connection from
192.168.0.142:58826
2020.05.11 23:00:04 LOG6[29]: Peer certificate not required
2020.05.11 23:00:04 LOG3[29]: SSL_accept: ssl/statem/statem_srvr.c:1746:
error:14209175:SSL
routines:tls_early_post_process_client_hello:inappropriate fallback
2020.05.11 23:00:04 LOG5[29]: Connection reset: 0 byte(s) sent to TLS, 0
byte(s) sent to socket
2020.05.11 23:00:04 LOG5[30]: Service [BlueIris] accepted connection from
192.168.0.142:58827
2020.05.11 23:00:04 LOG6[30]: Peer certificate not required
2020.05.11 23:00:04 LOG3[30]: SSL_accept: ssl/record/rec_layer_s3.c:1535:
error:14094417:SSL routines:ssl3_read_bytes:sslv3 alert illegal parameter
2020.05.11 23:00:04 LOG5[30]: Connection reset: 0 byte(s) sent to TLS, 0
byte(s) sent to socket
2020.05.11 23:00:04 LOG5[31]: Service [BlueIris] accepted connection from
192.168.0.142:58828
2020.05.11 23:00:04 LOG6[31]: Peer certificate not required
2020.05.11 23:00:04 LOG3[31]: SSL_accept: ssl/record/rec_layer_s3.c:1535:
error:14094417:SSL routines:ssl3_read_bytes:sslv3 alert illegal parameter
2020.05.11 23:00:04 LOG5[31]: Connection reset: 0 byte(s) sent to TLS, 0
byte(s) sent to socket
2020.05.11 23:00:04 LOG5[32]: Service [BlueIris] accepted connection from
192.168.0.142:58829
2020.05.11 23:00:04 LOG6[32]: Peer certificate not required
2020.05.11 23:00:04 LOG3[32]: SSL_accept: ssl/statem/statem_srvr.c:1746:
error:14209175:SSL
routines:tls_early_post_process_client_hello:inappropriate fallback
2020.05.11 23:00:04 LOG5[32]: Connection reset: 0 byte(s) sent to TLS, 0
byte(s) sent to socket
2020.05.11 23:00:04 LOG5[33]: Service [BlueIris] accepted connection from
192.168.0.142:58830
2020.05.11 23:00:04 LOG6[33]: Peer certificate not required
2020.05.11 23:00:04 LOG3[33]: SSL_accept: ssl/record/rec_layer_s3.c:1535:
error:14094417:SSL routines:ssl3_read_bytes:sslv3 alert illegal parameter
2020.05.11 23:00:04 LOG5[33]: Connection reset: 0 byte(s) sent to TLS, 0
byte(s) sent to socket
2020.05.11 23:00:04 LOG5[34]: Service [BlueIris] accepted connection from
192.168.0.142:58831
2020.05.11 23:00:04 LOG6[34]: Peer certificate not required
2020.05.11 23:00:04 LOG3[34]: SSL_accept: ssl/record/rec_layer_s3.c:1535:
error:14094417:SSL routines:ssl3_read_bytes:sslv3 alert illegal parameter
2020.05.11 23:00:04 LOG5[34]: Connection reset: 0 byte(s) sent to TLS, 0
byte(s) sent to socket
2020.05.11 23:00:04 LOG5[35]: Service [BlueIris] accepted connection from
192.168.0.142:58832
2020.05.11 23:00:04 LOG6[35]: Peer certificate not required
2020.05.11 23:00:04 LOG3[35]: SSL_accept: ssl/statem/statem_srvr.c:1746:
error:14209175:SSL
routines:tls_early_post_process_client_hello:inappropriate fallback
2020.05.11 23:00:04 LOG5[35]: Connection reset: 0 byte(s) sent to TLS, 0
byte(s) sent to socket
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