[pyOpenSSL] =?iso-8859-1?Q?Re:_[pyOpenSSL]_How_to_detect_if_a_port_has_SSL_running=3F?=

[<mj...@te...>]

My major problem is the timeout. If the server does not have SSL it=0D=0A=
will block forever. I've thought to use the alarm function but this=0D=0A=
script will also run on Windows which does not have support for alarm.=0D=
=0AAnyway I'll try the OpenSSL list.=0D=0A=0D=0AThanks,=0D=0AMarlon=0D=0A=
=0D=0A---------- Cabe=E7alho inicial  -----------=0D=0A=0D=0ADe: pyopenss=
l-l...@li...=0D=0APara: pyo...@li...urce=
forge.net=0D=0AC=F3pia: =0D=0AData: 15 Jan 2003 11:27:27 +0100=0D=0AAssun=
to: Re: [pyOpenSSL] How to detect if a port has SSL running?=0D=0A=0D=0A>=
 tis 2003-01-14 klockan 14.14 skrev Marlon Jabbur:=0D=0A> > Hi list,=0D=0A=
> > I've been using pyOpenSSL for a while and I have a problem that I=0D=0A=
could =0D=0A> > not solve and maybe someone can help me. =0D=0A> > My pro=
blem is how do I detect if a arbitrary port is running or=0D=0Anot SSL?=0D=
=0A> > When I establish a connection with a non-ssl server and I try to s=
end=0D=0A> > some data it hangs forever, I'm  guessing that the problem i=
s that=0D=0Athe =0D=0A> > SSL handshake never completes, but how can I ca=
tch this error in a=0D=0A> > script?=0D=0A> =0D=0A> I think it depends on=
 the SSL version, and I think it is better to ask=0D=0A> this question on=
 the openssl-users mailing list.=0D=0A> =0D=0A> I'm not sure you would *w=
ant* to be able to detect it (other than timing=0D=0A> out) since it invi=
tes solutions on the form "Try SSL and if that fails,=0D=0A> revert to no=
n-encrypted communication" which in turn invites downgrade=0D=0A> attacks=
 from a malicious party. I think. :)=0D=0A> =0D=0A> =0D=0A> /Martin=0D=0A=
> =0D=0A>