Troubleshoot intermittent 525 errors
If you’re only seeing errors intermittently, review the server error logs to determine the cause:
Apache must be configured to log mod_ssl errors.
nginx includes these errors in its standard error log, but it may be necessary to increase the log level.
Sorry, here is question
We get 525 SSL Handhake error sporadically
There is no errors in nginx logs regarding this, even with increased logging level.
Please check this problem from your side and provide us logs if possible.
You can have a read of this to try and help:
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Here is log
2018/12/16 14:51:54 [debug] 25892#25892: posix_memalign: 00007F001BD2DA40:512 @16
2018/12/16 14:51:54 [debug] 25892#25892: *256 accept: 172.68.246.108:42612 fd:29
2018/12/16 14:51:54 [debug] 25892#25892: *256 event timer add: 29: 60000:21073118
2018/12/16 14:51:54 [debug] 25892#25892: *256 reusable connection: 1
2018/12/16 14:51:54 [debug] 25892#25892: *256 epoll add event: fd:29 op:1 ev:80002001
2018/12/16 14:51:54 [debug] 25892#25892: *256 http check ssl handshake
2018/12/16 14:51:54 [debug] 25892#25892: *256 http recv(): 1
2018/12/16 14:51:54 [debug] 25892#25892: *256 https ssl handshake: 0x16
2018/12/16 14:51:54 [debug] 25892#25892: *256 tcp_nodelay
2018/12/16 14:51:54 [debug] 25892#25892: *256 ssl get session: F32BD8B1:32
2018/12/16 14:51:54 [debug] 25892#25892: *256 SSL server name: “magicmag.net”
2018/12/16 14:51:54 [debug] 25892#25892: *256 SSL_do_handshake: -1
2018/12/16 14:51:54 [debug] 25892#25892: *256 SSL_get_error: 2
2018/12/16 14:51:54 [debug] 25892#25892: *256 reusable connection: 0
2018/12/16 14:51:54 [debug] 25892#25892: *254 SSL handshake handler: 0
2018/12/16 14:51:54 [debug] 25892#25892: *254 SSL_do_handshake: 1
2018/12/16 14:51:54 [debug] 25892#25892: *254 SSL: TLSv1.2, cipher: “ECDHE-RSA-AES128-GCM-SHA256 TLSv1.2 Kx=ECDH Au=RSA Enc=AESGCM(128) Mac=AEAD”
2018/12/16 14:51:54 [debug] 25892#25892: *254 reusable connection: 1
2018/12/16 14:51:54 [debug] 25892#25892: *254 http wait request handler
2018/12/16 14:51:54 [debug] 25892#25892: *254 malloc: 00007F001BBBEF50:2048
2018/12/16 14:51:54 [debug] 25892#25892: *254 SSL_read: -1
2018/12/16 14:51:54 [debug] 25892#25892: *254 SSL_get_error: 2
2018/12/16 14:51:54 [debug] 25892#25892: *254 free: 00007F001BBBEF50
2018/12/16 14:51:54 [debug] 25893#25893: *255 SSL handshake handler: 0
2018/12/16 14:51:54 [debug] 25893#25893: *255 SSL_do_handshake: 1
2018/12/16 14:51:54 [debug] 25893#25893: *255 SSL: TLSv1.2, cipher: “ECDHE-RSA-AES128-GCM-SHA256 TLSv1.2 Kx=ECDH Au=RSA Enc=AESGCM(128) Mac=AEAD”
2018/12/16 14:51:54 [debug] 25893#25893: *255 reusable connection: 1
2018/12/16 14:51:54 [debug] 25893#25893: *255 http wait request handler
2018/12/16 14:51:54 [debug] 25893#25893: *255 malloc: 00007F001BD78360:2048
2018/12/16 14:51:54 [debug] 25893#25893: *255 SSL_read: -1
2018/12/16 14:51:54 [debug] 25893#25893: *255 SSL_get_error: 2
2018/12/16 14:51:54 [debug] 25893#25893: *255 free: 00007F001BD78360
2018/12/16 14:51:54 [debug] 25892#25892: *256 SSL handshake handler: 0
2018/12/16 14:51:54 [debug] 25892#25892: *256 SSL_do_handshake: 1
2018/12/16 14:51:54 [debug] 25892#25892: *256 SSL: TLSv1.2, cipher: “ECDHE-RSA-AES128-GCM-SHA256 TLSv1.2 Kx=ECDH Au=RSA Enc=AESGCM(128) Mac=AEAD”
2018/12/16 14:51:54 [debug] 25892#25892: *256 reusable connection: 1
2018/12/16 14:51:54 [debug] 25892#25892: *256 http wait request handler
2018/12/16 14:51:54 [debug] 25892#25892: *256 malloc: 00007F001BBBEF50:2048
2018/12/16 14:51:54 [debug] 25892#25892: *256 SSL_read: -1
2018/12/16 14:51:54 [debug] 25892#25892: *256 SSL_get_error: 2
2018/12/16 14:51:54 [debug] 25892#25892: *256 free: 00007F001BBBEF50
2018/12/16 14:51:55 [debug] 25892#25892: *254 http wait request handler
2018/12/16 14:51:55 [debug] 25892#25892: *254 malloc: 00007F001BBBEF50:2048
2018/12/16 14:51:55 [debug] 25892#25892: *254 SSL_read: 1184
2018/12/16 14:51:55 [debug] 25892#25892: *254 SSL_read: -1
2018/12/16 14:51:55 [debug] 25892#25892: *254 SSL_get_error: 2
2018/12/16 14:51:55 [debug] 25892#25892: *254 reusable connection: 0
2018/12/16 14:51:55 [debug] 25892#25892: *254 posix_memalign: 00007F001BD4CC10:4096 @16
2018/12/16 14:51:55 [debug] 25892#25892: *254 http process request line
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