Error response from daemon: error unmarshalling content: unexpected end of JSON input


It happened the other day that one user reported that he was unable to pull a docker image from an internal registry. So I tried from my laptop, it looked fine at the first beginning. There were a few downloading processed going on, but it threw the error unknown blob at the end. So I tried … Continue reading Error response from daemon: error unmarshalling content: unexpected end of JSON input

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Openssl error: SSL routines:SSL23_GET_SERVER_HELLO:unknown protocol


If you see similar errors as below when using openssl to test a https site, it is most likely caused by the SNI that is configured in the reverse proxy or server, like Nginx. openssl s_client -connect bla.bla.com:443 CONNECTED(00000003) 51089:error:140770FC:SSL routines:SSL23_GET_SERVER_HELLO:unknown protocol:/BuildRoot/Library/Caches/com.apple.xbs/Sources/OpenSSL098/OpenSSL098-59.60.1/src/ssl/s23_clnt.c:618: To make it work, you need to specify the hostname in the command, … Continue reading Openssl error: SSL routines:SSL23_GET_SERVER_HELLO:unknown protocol