[Modules] mod_gnutls/SNI breaks under load

Nikos Mavrogiannopoulos n.mavrogiannopoulos at gmail.com
Fri Sep 19 06:25:14 EDT 2008

Most probably this is a problem of the client you use. mod_gnutls has
the same behaviour being on reload or not. If you believe this is a
problem of mod_gnutls please use tcpdump (or wireshark) and verify
that this is indeed a mod_gnutls issue.


On Fri, Sep 19, 2008 at 12:32 PM, Adam Hasselbalch Hansen <ahh at one.com> wrote:
> Hi.
> I have server configured with three virtual hosts, each with its own
> certificate (using SNI).
> Simply pressing 'reload' in a browser multiple times fast (or holding it
> down), breaks this, and the server reverts to serving the default
> certificate (in this case, the one defined in the first vhost).
> Apache says:
> GnuTLS: Handshake Failed (-9) 'A TLS packet with unexpected length was
> received.'
> What gives?
> All other settings (cache, etc.) are default.
> --
> Adam Hasselbalch Hansen
> UNIX Systems Developer, CPH
> e: ahh at one.com, w: www.one.com
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