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Subject: Re: SSL Handshake : timing and timeout
From: Oleg Kalnichevski <olegk@apache.org>
To: HttpClient User Discussion <httpclient-users@hc.apache.org>
Date: Sat, 12 Nov 2016 16:26:21 +0100
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archived-at: Sat, 12 Nov 2016 15:26:27 -0000

On Fri, 2016-11-11 at 11:01 +0100, Stefan Magnus Landrø wrote:
> True. The way SSL sockets are created is complex stuff. They are layered
> and I believe the handshake is async - maybe Oleg could clarify?
> 

There is nothing special or unusual about SSL/TLS handshakes. They
involve multiple IP packet exchanges over a TCP connection. Standard
socket settings fully apply.

Oleg

> Anyways - We ran into an issue a few years ago with an SSL handshake taking
> for ever (a switch was dropping packets of a certain size ... ), and
> tracked our hanging threads down to blocking because the SoTimeout was set
> to 0 by default. Changing this prevented threads from hanging for ever.
> 
> Ref javadoc:
> 
> Determines the default socket timeout value for non-blocking I/O operations.
> 
> 2016-11-11 10:01 GMT+01:00 Philippe Mouawad <philippe.mouawad@gmail.com>:
> 
> > Thanks but I see not property related to Ssl Handshake timeout.
> >
> > Regards
> >
> > On Friday, November 11, 2016, Stefan Magnus Landrø <
> > stefan.landro@gmail.com>
> > wrote:
> >
> > > https://hc.apache.org/httpcomponents-client-ga/
> > > httpclient/apidocs/org/apache/http/impl/client/HttpClientBuilder.html#
> > > setDefaultSocketConfig(org.apache.http.config.SocketConfig)
> > >
> > > 2016-11-11 9:34 GMT+01:00 Philippe Mouawad <philippe.mouawad@gmail.com
> > > <javascript:;>>:
> > >
> > > > Thank you Stefan
> > > > Could you point me to some doc ?
> > > >
> >


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