That's because the server is configured to listen for plain HTTP on port 443.
~> openssl s_client -connect lists.qt-project.org:443 -debug CONNECTED(00000003) write to 0x562cafaa0440 [0x562cafb17500] (176 bytes => 176 (0xB0)) 0000 - 16 03 01 00 ab 01 00 00-a7 03 03 65 86 93 65 d8 ...........e..e. 0010 - 03 29 a2 73 1b 7c 22 dc-fa 9a 82 50 60 0e b5 ef .).s.|"....P`... 0020 - db 1e fb 14 df db c9 10-40 b1 e4 00 00 38 c0 2c ........@....8., 0030 - c0 30 00 9f cc a9 cc a8-cc aa c0 2b c0 2f 00 9e .0.........+./.. 0040 - c0 24 c0 28 00 6b c0 23-c0 27 00 67 c0 0a c0 14 .$.(.k.#.'.g.... 0050 - 00 39 c0 09 c0 13 00 33-00 9d 00 9c 00 3d 00 3c .9.....3.....=.< 0060 - 00 35 00 2f 00 ff 01 00-00 46 00 0b 00 04 03 00 .5./.....F...... 0070 - 01 02 00 0a 00 0a 00 08-00 1d 00 17 00 19 00 18 ................ 0080 - 00 23 00 00 00 16 00 00-00 17 00 00 00 0d 00 20 .#............. 0090 - 00 1e 06 01 06 02 06 03-05 01 05 02 05 03 04 01 ................ 00a0 - 04 02 04 03 03 01 03 02-03 03 02 01 02 02 02 03 ................ read from 0x562cafaa0440 [0x562cafb0e263] (5 bytes => 5 (0x5)) 0000 - 3c 21 44 4f 43 <!DOC <!DOCTYPE HTML PUBLIC ... _______________________________________________ Interest mailing list Interest@qt-project.org http://lists.qt-project.org/mailman/listinfo/interest
