successed
https://gist.github.com/0neday/f97c83fcb0fd0043fa0b4055b6c45a46
EchoLife_WAP /mnt/jffs2/app/stunnel # ./stunnel -help Initializing inetd mode configuration stunnel 5.58 on arm-unknown-linux-gnu platform Compiled/running with OpenSSL 1.1.1i 8 Dec 2020 Threading:PTHREAD Sockets:POLL,IPv4 TLS:ENGINE,OCSP,PSK,SNI
EchoLife_WAP /mnt/jffs2/app/stunnel # uname -a Linux EchoLife_WAP 3.10.53-HULK2 #1 SMP Fri Apr 13 19:54:43 CST 2018 armv7l GNU/Linux