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Stunnel v5.54 (local) halts during tunnel setup with stunnel v4.56 (remote)

FYI.  stunnel-5.55b1-win64-installer.exe does not halt during tunnel setup.

Thanks! <Snip><Snip>[ ] Running on Windows 6.2[ ] No limit detected for the number of clients[.] stunnel 5.55 on x64-pc-mingw32-gnu platform[.] Compiled/running with OpenSSL 1.1.1b  26 Feb 2019[.] Reading configuration from file ...[.] UTF-8 byte order mark detected..[ ] Initializing service [..][ ] Ciphers: ..[ ] TLSv1.3 ...[ ] TLS options: ..[ ] Loading certificate from file: [ ] Certificate loaded from file: [ ] Loading private key from file: [ ] Private key loaded from file: [ ] Private key check succeeded[.] Configuration successful[ ] Binding service [ ] Listening file descriptor created [ ] Setting accept socket options [ ] Service bound to 2019.05.23 20:26:54 LOG6[cron]: Executing cron jobs2019.05.23 20:26:54 LOG6[cron]: Cron jobs completed in 0 seconds2019.05.23 20:27:09 LOG5[0]: Service accepted connection from 2019.05.23 20:27:09 LOG6[0]: s_connect: connecting 2019.05.23 20:27:09 LOG6[0]: CERT: 2019.05.23 20:27:09 LOG6[0]: CERT: 2019.05.23 20:27:09 LOG5[0]: Certificate accepted at 2019.05.23 20:27:09 LOG6[0]: Session id: 2019.05.23 20:27:09 LOG6[0]: TLS connected: new session negotiated2019.05.23 20:27:09 LOG6[0]: TLSv1.2 ciphersuite: 2019.05.23 20:27:16 LOG6[0]: Read socket closed 2019.05.23 20:27:16 LOG6[0]: SSL_shutdown successfully sent close_notify alert2019.05.23 20:27:16 LOG3[0]: transfer: s_poll_wait: TIMEOUTclose exceeded: closing2019.05.23 20:27:16 LOG5[0]: Connection closed: </Snip>

On Friday, May 17, 2019, 9:18:41 a.m. EDT, Brent Kimberley [email protected] wrote:

Hi.Stunnel v5.54 (local) halts during tunnel setup with stunnel v4.56 (remote) whereas stunnel v5.53 (local) successfully establishes tunnels with stunnel v4.56 (remote).  Debug 7 (local) doesn't detect any issues.      Does remote 4.56 need to be upgraded?      Does local 5.54 need to be patched? Best Regards,BK v5.54 x v4.56[local]s_connect: s_poll_wait <someip>:443: waiting 10 secondshalt...[remote]2019.05.17 08:47:34 LOG5[13009:140578290554624]: Service [httpsx] accepted connection from 2019.05.17 08:52:35 LOG6[13009:140578290554624]: init_ssl: s_poll_wait: TIMEOUTbusy exceeded: sending reset 2019.05.17 08:52:35 LOG5[13009:140578290554624]: Connection reset: 0 byte(s) sent to SSL, 0 byte(s) sent to socket v5.53 x v4.56[local] 2019.05.17 08:57:18 LOG7[0]: s_connect: s_poll_wait <someip>:443: waiting 10 seconds2019.05.17 08:57:18 LOG5[0]: s_connect: connected <someip>:443...[remote]2019.05.17 09:11:10 LOG5[13009:140578290333440]: Service [httpsx] accepted connection from 2019.05.17 09:11:10 LOG5[13009:140578290333440]: Certificate accepted: depth=....