Hi Michael,

thanks for info, could you please do let me know in case of dtls how much
memory is allocated per connection? or any clue how do i calculate this? i
want to define maximum number of concurrent connections could be supported
for any dtls server.

thanks,
manish

On Tue, Dec 27, 2011 at 12:31 AM, Michael Tuexen <
[email protected]> wrote:

> On Dec 26, 2011, at 7:09 PM, Manish Yadav wrote:
>
> > Hi all,
> >
> > i am building dtls server using OpenSSL v0.9.8r. i see following crash
> in openssl code:
> Whenever you are using DTLS: Upgrade to the latest version OpenSSL 1.0.0.
>
> Please report if your problem persists with the latest version of OpenSSL.
> See http://sctp.fh-muenster.de/dtls-patches.html for the patches which
> will be included in the next revision.
>
> Best regards
> Michael
> >
> > (gdb) bt
> > #0  0x485b0297 in kill () from /lib/libc.so.7
> > #1  0x485b01f6 in raise () from /lib/libc.so.7
> > #2  0x485aedca in abort 28) from /lib/libc.so.7
> > #3  0x4852f9d5 in malloc () from /lib/libc.so.7
> > #4  0x4821ce1e in BN_clear_free () from /lib/libcrypto.so.6
> > #5  0x4821d4af in CRYPTO_malloc () from /lib/libcrypto.so.6
> > #6  0x4828f495 in ssl3_setup_buffers () from /usr/lib/libssl.so.6
> > #7  0x4828d5c5 in dtls1_read_bytes () from /usr/lib/libssl.so.6
> > #8  0x4828db82 in ssl3_renegotiate_check () from /usr/lib/libssl.so.6
> > #9  0x48282e28 in SSL_read () from /usr/lib/libssl.so.6
> >
> > could you please let me know what could be reason for this? i am curious
> to understand how much memory ssl library allocates per connection/session,
> so that i could calculate maximum number of connection i could support
> using my server.
> >
> > thanks,
> > manish
>
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