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Re: SSl Errors

Maxim Dounin
January 22, 2019 09:00AM
Hello!

On Mon, Jan 21, 2019 at 11:59:25PM +0300, Алексей wrote:

> I use nginx 1.13.6 as server for mutual tls auth with clients certs

Note that 1.13.6 is a mainline version which is not supported
since release of 1.13.7 at 21 Nov 2017. You may want to upgrade
to a more recent version, e.g., latest mainline is 1.15.8.

> During ab test I get errors ssl read failed(5) closing connection

Error 5 is SSL_ERROR_SYSCALL suggests that futher information is
available in errno, and ab does not try to test/log errno. You
may want to use strace / ktrace / truss to find out which error
actually happened.

> In nginx log (debug mode) I get
>
> 2019/01/21 23:50:01 [debug] 26#26: *27497 http check ssl handshake
> 2019/01/21 23:50:01 [debug] 26#26: *27497 http recv(): 1
> 2019/01/21 23:50:01 [debug] 26#26: *27497 https ssl handshake: 0x16
> 2019/01/21 23:50:01 [debug] 26#26: *27497 tcp_nodelay
> 2019/01/21 23:50:01 [debug] 26#26: *27497 SSL server name: "meteotravel.ru"
> 2019/01/21 23:50:01 [debug] 26#26: *27497 SSL_do_handshake: -1
> 2019/01/21 23:50:01 [debug] 26#26: *27497 SSL_get_error: 2
> 2019/01/21 23:50:01 [debug] 26#26: *27497 reusable connection: 0
> 2019/01/21 23:50:02 [debug] 26#26: *27497 SSL handshake handler: 0
> 2019/01/21 23:50:02 [debug] 26#26: *27497 SSL_do_handshake: -1
> 2019/01/21 23:50:02 [debug] 26#26: *27497 SSL_get_error: 5
> 2019/01/21 23:50:02 [info] 26#26: *27497 peer closed connection in SSL handshake while SSL handshaking, client: 10.244.5.0, server: 0.0.0.0:443

From nginx point of view, the connection was closed by the client.
The error as returned by OpenSSL is SSL_ERROR_SYSCALL, and errno
is 0 so it is not logged. This indicate a clean TCP-level
connection close by the other side.

--
Maxim Dounin
http://mdounin.ru/
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Subject Author Posted

SSl Errors

Алексей January 21, 2019 04:00PM

Re: SSl Errors

Maxim Dounin January 22, 2019 09:00AM

Re: SSl Errors

Алексей January 22, 2019 03:00PM



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