First time user of Stunnel and I just wanted to check what I'm doing wrong. 

I have two processes running: a TCP Listener that listens on port 13000 and a TCP client that sends it a message. 

I'm running Stunnel on Windows 10 with the following config:

[myapp]
client = yes
accept = 13001
connect = 13000
cert = stunnel.pem
TIMEOUTclose=0

I updated the TCP client to send the message to port 13001 but when I check Wireshark I can still see the contents of the message in plaintext. Shouldn't I no longer be able to see the unencrypted contents of this message?

Here are the relevant logs:

2021.01.27 20:57:26 LOG7[main]: Found 1 ready file descriptor(s)
2021.01.27 20:57:26 LOG7[main]: FD=588 ifds=r-x ofds=r--
2021.01.27 20:57:26 LOG7[main]: FD=596 ifds=r-x ofds=---
2021.01.27 20:57:26 LOG7[main]: Service [myapp] accepted (FD=924) from 127.0.0.1:9322
2021.01.27 20:57:26 LOG7[main]: Creating a new thread
2021.01.27 20:57:26 LOG7[main]: New thread created
2021.01.27 20:57:26 LOG7[2]: Service [myapp] started
2021.01.27 20:57:26 LOG7[2]: Setting local socket options (FD=924)
2021.01.27 20:57:26 LOG7[2]: Option TCP_NODELAY set on local socket
2021.01.27 20:57:26 LOG5[2]: Service [myapp] accepted connection from 127.0.0.1:9322
2021.01.27 20:57:26 LOG6[2]: s_connect: connecting 127.0.0.1:13000
2021.01.27 20:57:26 LOG7[2]: s_connect: s_poll_wait 127.0.0.1:13000: waiting 10 seconds
2021.01.27 20:57:26 LOG7[2]: FD=940 ifds=rwx ofds=---
2021.01.27 20:57:26 LOG5[2]: s_connect: connected 127.0.0.1:13000
2021.01.27 20:57:26 LOG5[2]: Service [myapp] connected remote server from 127.0.0.1:9323
2021.01.27 20:57:26 LOG7[2]: Setting remote socket options (FD=940)
2021.01.27 20:57:26 LOG7[2]: Option TCP_NODELAY set on remote socket
2021.01.27 20:57:26 LOG7[2]: Remote descriptor (FD=940) initialized
2021.01.27 20:57:26 LOG6[2]: SNI: sending servername: localhost
2021.01.27 20:57:26 LOG6[2]: Peer certificate not required
2021.01.27 20:57:26 LOG7[2]: TLS state (connect): before SSL initialization
2021.01.27 20:57:26 LOG7[2]: Initializing application specific data for session authenticated
2021.01.27 20:57:26 LOG7[2]: TLS state (connect): SSLv3/TLS write client hello