Re: [squid-users] Reverse proxy: http to https and certificate authentication

Il giorno lun, 02/02/2009 alle 11.14 +0100, Mailing List SVR ha scritto:
> Il giorno dom, 01/02/2009 alle 10.49 +0100, Mailing List SVR ha scritto:
> > Il giorno dom, 01/02/2009 alle 22.10 +1300, Amos Jeffries ha scritto:
> > > Mailing List SVR wrote:
> > > > Il giorno dom, 01/02/2009 alle 21.56 +1300, Amos Jeffries ha scritto:
> > > >> Mailing List SVR wrote:
> > > >>> Il giorno dom, 01/02/2009 alle 20.28 +1300, Amos Jeffries ha scritto:
> > > >>>> Mailing List SVR wrote:
> > > >>>>> Hi all,
> > > >>>>>
> > > >>>>> I have a soap client using python ZSI, the other end is oracle soa
> > > >>>>> 10.1.3.1.0 all works fine since some months. The last week oracle soa
> > > >>>>> was configured to accept client certificate authentication over https.
> > > >>>>> If I try to use the standard python httplib.HTTPSConnection library it
> > > >>>>> fails with the infamous "bad record mac" error and so also ZSI that use
> > > >>>>> httplib. Other java tools such as soapui works just fine with oracle
> > > >>>>> soa.
> > > >>>>>
> > > >>>>> Can squid do the hard work for me in the following configuration?
> > > >>>>>
> > > >>>>> ZSI soap client -> squid proxy over http -> oracle soa https
> > > >>>>>
> > > >>>>> however squid could be authenticate to oracle soa loading the cert file
> > > >>>>> and the cert key from a local file.
> > > >>>>>
> > > >>>>> So I would like to send my soap request to squid over http and squid
> > > >>>>> could connect to oracle soa over https presenting its own client
> > > >>>>> certificate (not send from my application but load from local file).
> > > >>>>>
> > > >>>>> Is this configuration possible?
> > > >>>>>
> > > >>>>> thanks
> > > >>>>> Nicola
> > > >>>>>
> > > >>>>>
> > > >>>> Yes Squid can certainly act as a HTTP->HTTPS proxy for you.
> > > >>>> Just configure a normal cache_peer pointing at oracle to using SSL,
> > > >>>> http://www.squid-cache.org/Doc/config/cache_peer/
> > > >>>> and configure ZSI to connect to the Squid HTTP port without SSL.
> > > >>> thanks but squid need to present a client certificate to authenticate
> > > >>> against oracle, cache peer seems lack directive to specify certificate,
> > > >>>
> > > >> Look again:
> > > >> ssl
> > > >> sslcert=/path/to/ssl/certificate
> > > >> sslkey=/path/to/ssl/key
> > > >> sslversion=1|2|3|4
> > > >> sslcipher=...
> > > >> ssloptions=...
> > > >>
> > > >>
> > > >
> > > > You are right but I'm ot a squid expert so I need some more directions
> > > > please.
> > > >
> > > > I added this line to squid.conf
> > > >
> > > > cache_peer <oraclesoahostname> parent 443 0 no-query no-digest
> > > > no-netdb-exchange proxy-only default ssl
> > > > sslcert=/etc/squid/cert/clients1.crt sslkey=/etc/squid/cert/clients1.key
> > > > sslversion=1
> > > >
> > > > <oraclesoahostanme> is in my hosts file,
> > > >
> > > > now how squid redirect the request to <oraclesoahostname> and how I can
> > > > connect to squid? On standard 3128 port (for example wget
> > > > http://<squidip>:squidport/<what here?>>) or I have to use it as http
> > > > proxy (export HTTP_PROXY=...)?
> > > >
> > > > thanks for your patience,
> > > >
> > > > Nicola
> > > >
> > >
> > > Depends on whether Squid is listening on.
> > > Normal http_port 3128 is connected to normally as any other proxy with
> > > HTTP to port 3128.
> > >
> > > If the certificate is working, squid will startup and mention that its
> > > read and checked the cert. And requests go out to the peer.
> >
> > Ok thanks seems to work just fine using my test server (apache with
> > client auth certificate), here are the relevant config options:
> >
> > http_port 3128 accel defaultsite=<test apache site>
> >
> > cache_peer <test apache site> parent 443 0 no-query no-digest
> > no-netdb-exchange ssl sslcert=/etc/squid/cert/clients1.crt
> > sslkey=/etc/squid/cert/clients1.key sslversion=1 originserver
> > sslflags=DONT_VERIFY_PEER proxy-only default
> >
> > I'm able to use soap ui towards <squid ip>:3128 and works fine,
> >
> > however zsi works in my test environment too, oracle soa is a different
> > beast (curl, wget python httplib all fails with oracle soa and works
> > with both apache and iis https with client certificate), tommorrow I'll
> > try with squid in front of it ...
> >
> > thanks again
> > Nicola
>
> With oracle soa I have the following error:
>
> fwdNegotiateSSL: Error negotiating SSL connection on FD 15:
> error:140943FC:SSL routines:SSL3_READ_BYTES:sslv3 alert bad record mac
> (1/0/0)

Solved, I have to force squid to use ssl version 2 only and now works
fine,

thanks
Nicola

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> > >
> > > Amos
> >
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Received on Tue Feb 03 2009 - 11:21:21 MST