| From: | Oliver Jowett <oliver(at)opencloud(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Magnus Hagander <mha(at)sollentuna(dot)net>, Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>, "T(dot)J(dot)" <tjtoocool(at)phreaker(dot)net>, pgsql-bugs(at)postgresql(dot)org, pgsql-hackers-win32(at)postgresql(dot)org |
| Subject: | Re: [pgsql-hackers-win32] More SSL questions.. |
| Date: | 2005-01-05 22:20:19 |
| Message-ID: | 41DC6823.7080506@opencloud.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-bugs pgsql-hackers-win32 |
Tom Lane wrote:
> BTW, as of CVS tip, if the server has a root.crt file and the client
> does not have any certificate files, the default behavior is that
> connections fail:
>
> $ psql -h localhost regression
> psql: could not open certificate file "/home/tgl/.postgresql/postgresql.crt": No such file or directory
> $
>
> I'm not sure if this is desirable. Should libpq try to fall back to a
> non-SSL-encrypted connection, instead?
Only if the server certificate validates, otherwise an active attacker
could intercept the SSL connection to force libpq to fall back to
non-SSL and then intercept the unencrypted/unauthenticated connection.
Does openssl lets you detect a "server cert OK but no suitable client
cert provided" error easily?
-O
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