Hello,
I am currently adding SSL support to the Npgsql driver (the .NET data
provider for PostgreSQL). I have tested with the Mentalis Secure Library
( http://www.mentalis.org/soft/projects/ssocket/). I am creating the
SecureTcpSocket as an instance that uses Ssl version 3.0. The PostgreSQL
server is configured as described in http://developer.postgresql.org/docs...s/ssl-tcp.html . SSL support
is added in pg_hba.conf, via hostssl
The exception I get when I run a test application to connect the
database is something like that:
Unhandled Exception: Npgsql.NpgsqlException: Error in Open() --->
System.IO.IOException: An I/O exception occurred. --->
Org.Mentalis.Security.SecurityException
: An error occurs while communicating with the remote host. --->
Org.Mentalis.Security.Ssl.Shared.SslException: The server hello message
uses a protocol that was not recognized.
Do you have any idea what can be the reason? Thanks in advance.
Regards,
Angel
Angel T. Todorov
PGP public key ID: 1024D/
<http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x35454B4C> 35454B4C 7 3659
What version of PostgreSQL are you using?
---------------------------------------------------------------------------
Angel Todorov wrote: Hello, I am currently adding SSL support to the Npgsql driver (the .NET data provider for PostgreSQL). I have tested with the Mentalis Secure Library (http://www.mentalis.org/soft/projects/ssocket/). I am creating the SecureTcpSocket as an instance that uses Ssl version 3.0. The PostgreSQL server is configured as described in http://developer.postgresql.org/docs...s/ssl-tcp.html . SSL support is added in pg_hba.conf, via hostssl The exception I get when I run a test application to connect the database is something like that:
Unhandled Exception: Npgsql.NpgsqlException: Error in Open() ---> System.IO.IOException: An I/O exception occurred. ---> Org.Mentalis.Security.SecurityException : An error occurs while communicating with the remote host. ---> Org.Mentalis.Security.Ssl.Shared.SslException: The server hello message uses a protocol that was not recognized.
Do you have any idea what can be the reason? Thanks in advance.
Regards,
Angel Angel T. Todorov PGP public key ID: 1024D/ <http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x35454B4C> 35454B4C
--
Bruce Momjian | http://candle.pha.pa.us pg***@candle.pha.pa.us | (610) 359-1001
+ If your life is a hard drive, | 13 Roberts Road
+ Christ can be your backup. | Newtown Square, Pennsylvania 19073
---------------------------(end of broadcast)---------------------------
TIP 1: subscribe and unsubscribe commands go to ma*******@postgresql.org
It is 7.3.3
The Npgsql is 0.5, which supports the 2.0 protocol.
Angel
-----Original Message-----
From: Bruce Momjian [mailto:pg***@candle.pha.pa.us]
Sent: Monday, September 29, 2003 3:03 AM
To: Angel Todorov
Cc: PostgreSQL General
Subject: Re: [GENERAL] PostgreSQL SSL communication with SecureTcpClient
(Ssl v 3.0)
What version of PostgreSQL are you using?
------------------------------------------------------------------------
---
Angel Todorov wrote: Hello, I am currently adding SSL support to the Npgsql driver (the .NET data provider for PostgreSQL). I have tested with the Mentalis Secure
Library (http://www.mentalis.org/soft/projects/ssocket/). I am creating the SecureTcpSocket as an instance that uses Ssl version 3.0. The
PostgreSQL server is configured as described in http://developer.postgresql.org/docs...s/ssl-tcp.html . SSL
support is added in pg_hba.conf, via hostssl The exception I get when I run a test application to connect the database is something like that:
Unhandled Exception: Npgsql.NpgsqlException: Error in Open() ---> System.IO.IOException: An I/O exception occurred. ---> Org.Mentalis.Security.SecurityException : An error occurs while communicating with the remote host. ---> Org.Mentalis.Security.Ssl.Shared.SslException: The server hello
message uses a protocol that was not recognized.
Do you have any idea what can be the reason? Thanks in advance.
Regards,
Angel Angel T. Todorov PGP public key ID: 1024D/ <http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x35454B4C>
35454B4C
--
Bruce Momjian | http://candle.pha.pa.us pg***@candle.pha.pa.us | (610) 359-1001
+ If your life is a hard drive, | 13 Roberts Road
+ Christ can be your backup. | Newtown Square, Pennsylvania
19073
---------------------------(end of broadcast)---------------------------
TIP 9: the planner will ignore your desire to choose an index scan if your
joining column's datatypes do not match
Angel Todorov wrote: It is 7.3.3
We have fixed many SSL items in 7.4. Can you grab a snapshot from our
FTP server and check that?
--------------------------------------------------------------------------- The Npgsql is 0.5, which supports the 2.0 protocol.
Angel
-----Original Message----- From: Bruce Momjian [mailto:pg***@candle.pha.pa.us] Sent: Monday, September 29, 2003 3:03 AM To: Angel Todorov Cc: PostgreSQL General Subject: Re: [GENERAL] PostgreSQL SSL communication with SecureTcpClient (Ssl v 3.0)
What version of PostgreSQL are you using?
------------------------------------------------------------------------ ---
Angel Todorov wrote: Hello, I am currently adding SSL support to the Npgsql driver (the .NET data provider for PostgreSQL). I have tested with the Mentalis Secure Library (http://www.mentalis.org/soft/projects/ssocket/). I am creating the SecureTcpSocket as an instance that uses Ssl version 3.0. The PostgreSQL server is configured as described in http://developer.postgresql.org/docs...s/ssl-tcp.html . SSL support is added in pg_hba.conf, via hostssl The exception I get when I run a test application to connect the database is something like that:
Unhandled Exception: Npgsql.NpgsqlException: Error in Open() ---> System.IO.IOException: An I/O exception occurred. ---> Org.Mentalis.Security.SecurityException : An error occurs while communicating with the remote host. ---> Org.Mentalis.Security.Ssl.Shared.SslException: The server hello message uses a protocol that was not recognized.
Do you have any idea what can be the reason? Thanks in advance.
Regards,
Angel Angel T. Todorov PGP public key ID: 1024D/ <http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x35454B4C> 35454B4C
-- Bruce Momjian | http://candle.pha.pa.us pg***@candle.pha.pa.us | (610) 359-1001 + If your life is a hard drive, | 13 Roberts Road + Christ can be your backup. | Newtown Square, Pennsylvania 19073
--
Bruce Momjian | http://candle.pha.pa.us pg***@candle.pha.pa.us | (610) 359-1001
+ If your life is a hard drive, | 13 Roberts Road
+ Christ can be your backup. | Newtown Square, Pennsylvania 19073
---------------------------(end of broadcast)---------------------------
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subscribe-nomail command to ma*******@postgresql.org so that your
message can get through to the mailing list cleanly
Hello, is it something specific about the startup packet length? I can
try to see if I can fix it if it is from the driver itself. I will try
with 7.4, but it should also operate with postgresql 7.2 and 7.3
Angel
-----Original Message-----
From: pg*****************@postgresql.org
[mailto:pg*****************@postgresql.org] On Behalf Of Bruce Momjian
Sent: Monday, September 29, 2003 4:13 AM
To: Angel Todorov
Cc: 'PostgreSQL General'
Subject: Re: [GENERAL] PostgreSQL SSL communication with SecureTcpClient
(Ssl
Angel Todorov wrote: It is 7.3.3
We have fixed many SSL items in 7.4. Can you grab a snapshot from our
FTP server and check that?
------------------------------------------------------------------------
--- The Npgsql is 0.5, which supports the 2.0 protocol.
Angel
-----Original Message----- From: Bruce Momjian [mailto:pg***@candle.pha.pa.us] Sent: Monday, September 29, 2003 3:03 AM To: Angel Todorov Cc: PostgreSQL General Subject: Re: [GENERAL] PostgreSQL SSL communication with
SecureTcpClient (Ssl v 3.0)
What version of PostgreSQL are you using?
------------------------------------------------------------------------ ---
Angel Todorov wrote: Hello, I am currently adding SSL support to the Npgsql driver (the .NET
data provider for PostgreSQL). I have tested with the Mentalis Secure Library (http://www.mentalis.org/soft/projects/ssocket/). I am creating the SecureTcpSocket as an instance that uses Ssl version 3.0. The PostgreSQL server is configured as described in http://developer.postgresql.org/docs...s/ssl-tcp.html . SSL support is added in pg_hba.conf, via hostssl The exception I get when I run a test application to connect the database is something like that:
Unhandled Exception: Npgsql.NpgsqlException: Error in Open() ---> System.IO.IOException: An I/O exception occurred. ---> Org.Mentalis.Security.SecurityException : An error occurs while communicating with the remote host. ---> Org.Mentalis.Security.Ssl.Shared.SslException: The server hello message uses a protocol that was not recognized.
Do you have any idea what can be the reason? Thanks in advance.
Regards,
Angel Angel T. Todorov PGP public key ID: 1024D/ <http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x35454B4C> 35454B4C
-- Bruce Momjian | http://candle.pha.pa.us pg***@candle.pha.pa.us | (610) 359-1001 + If your life is a hard drive, | 13 Roberts Road + Christ can be your backup. | Newtown Square, Pennsylvania 19073
--
Bruce Momjian | http://candle.pha.pa.us pg***@candle.pha.pa.us | (610) 359-1001
+ If your life is a hard drive, | 13 Roberts Road
+ Christ can be your backup. | Newtown Square, Pennsylvania
19073
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Angel Todorov wrote: Hello, is it something specific about the startup packet length? I can try to see if I can fix it if it is from the driver itself. I will try with 7.4, but it should also operate with postgresql 7.2 and 7.3
Sorry, no idea.
--------------------------------------------------------------------------- Angel
-----Original Message----- From: pg*****************@postgresql.org [mailto:pg*****************@postgresql.org] On Behalf Of Bruce Momjian Sent: Monday, September 29, 2003 4:13 AM To: Angel Todorov Cc: 'PostgreSQL General' Subject: Re: [GENERAL] PostgreSQL SSL communication with SecureTcpClient (Ssl
Angel Todorov wrote: It is 7.3.3
We have fixed many SSL items in 7.4. Can you grab a snapshot from our FTP server and check that?
------------------------------------------------------------------------ ---
The Npgsql is 0.5, which supports the 2.0 protocol.
Angel
-----Original Message----- From: Bruce Momjian [mailto:pg***@candle.pha.pa.us] Sent: Monday, September 29, 2003 3:03 AM To: Angel Todorov Cc: PostgreSQL General Subject: Re: [GENERAL] PostgreSQL SSL communication with
SecureTcpClient (Ssl v 3.0)
What version of PostgreSQL are you using?
------------------------------------------------------------------------ ---
Angel Todorov wrote: Hello, I am currently adding SSL support to the Npgsql driver (the .NET data provider for PostgreSQL). I have tested with the Mentalis Secure Library (http://www.mentalis.org/soft/projects/ssocket/). I am creating the SecureTcpSocket as an instance that uses Ssl version 3.0. The PostgreSQL server is configured as described in http://developer.postgresql.org/docs...s/ssl-tcp.html . SSL support is added in pg_hba.conf, via hostssl The exception I get when I run a test application to connect the database is something like that:
Unhandled Exception: Npgsql.NpgsqlException: Error in Open() ---> System.IO.IOException: An I/O exception occurred. ---> Org.Mentalis.Security.SecurityException : An error occurs while communicating with the remote host. ---> Org.Mentalis.Security.Ssl.Shared.SslException: The server hello message uses a protocol that was not recognized.
Do you have any idea what can be the reason? Thanks in advance.
Regards,
Angel Angel T. Todorov PGP public key ID: 1024D/ <http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x35454B4C> 35454B4C
-- Bruce Momjian | http://candle.pha.pa.us pg***@candle.pha.pa.us | (610) 359-1001 + If your life is a hard drive, | 13 Roberts Road + Christ can be your backup. | Newtown Square, Pennsylvania 19073
-- Bruce Momjian | http://candle.pha.pa.us pg***@candle.pha.pa.us | (610) 359-1001 + If your life is a hard drive, | 13 Roberts Road + Christ can be your backup. | Newtown Square, Pennsylvania 19073
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--
Bruce Momjian | http://candle.pha.pa.us pg***@candle.pha.pa.us | (610) 359-1001
+ If your life is a hard drive, | 13 Roberts Road
+ Christ can be your backup. | Newtown Square, Pennsylvania 19073
---------------------------(end of broadcast)---------------------------
TIP 8: explain analyze is your friend
On Mon, 29 Sep 2003, Angel Todorov wrote: Hello, I am currently adding SSL support to the Npgsql driver (the .NET data provider for PostgreSQL). I have tested with the Mentalis Secure Library (http://www.mentalis.org/soft/projects/ssocket/). I am creating the SecureTcpSocket as an instance that uses Ssl version 3.0. The PostgreSQL server is configured as described in http://developer.postgresql.org/docs...s/ssl-tcp.html . SSL support is added in pg_hba.conf, via hostssl The exception I get when I run a test application to connect the database is something like that:
Unhandled Exception: Npgsql.NpgsqlException: Error in Open() ---> System.IO.IOException: An I/O exception occurred. ---> Org.Mentalis.Security.SecurityException : An error occurs while communicating with the remote host. ---> Org.Mentalis.Security.Ssl.Shared.SslException: The server hello message uses a protocol that was not recognized.
Do you have any idea what can be the reason? Thanks in advance.
You are aware that the connection does not start as a SSL connection, but
begins as a normal one and then switches over.
Kris Jurka
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Kris Jurka <bo***@ejurka.com> writes: On Mon, 29 Sep 2003, Angel Todorov wrote: : An error occurs while communicating with the remote host. ---> Org.Mentalis.Security.Ssl.Shared.SslException: The server hello message uses a protocol that was not recognized.
Do you have any idea what can be the reason? Thanks in advance.
You are aware that the connection does not start as a SSL connection, but begins as a normal one and then switches over.
Specifically, you need to eat the initial "S" or "N" response byte from
the server before firing up the SSL startup handshake.
regards, tom lane
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