postgresql

History

Tom Lane c977b8cffc Fix poorly worded error message. Adam Brightwell, per report from Martín Marqués.		2014-12-17 13:14:53 -05:00
..
Makefile	Support frontend-backend protocol communication using a shm_mq.	2014-10-31 12:02:40 -04:00
README.SSL	Remove useless whitespace at end of lines	2010-11-23 22:34:55 +02:00
auth.c	Fix poorly worded error message.	2014-12-17 13:14:53 -05:00
be-fsstubs.c	Rename lo_create(oid, bytea) to lo_from_bytea().	2014-06-12 15:39:09 -04:00
be-secure-openssl.c	Message improvements	2014-10-12 01:06:35 -04:00
be-secure.c	Break out OpenSSL-specific code to separate files.	2014-08-11 11:54:19 +03:00
crypt.c	Log a detail message for auth failures due to missing or expired password.	2014-01-27 21:04:09 -05:00
hba.c	Keep track of transaction commit timestamps	2014-12-03 11:53:02 -03:00
ip.c	check socket creation errors against PGINVALID_SOCKET	2014-04-16 10:45:48 -04:00
md5.c	pgindent run for 9.4	2014-05-06 12:12:18 -04:00
pg_hba.conf.sample	Remove support for native krb5 authentication	2014-01-19 17:05:01 +01:00
pg_ident.conf.sample	Reformat the comments in pg_hba.conf and pg_ident.conf	2010-01-26 06:58:39 +00:00
pqcomm.c	Don't dump core if pq_comm_reset() is called before pq_init().	2014-12-04 19:49:43 -05:00
pqformat.c	pgindent run for 9.4	2014-05-06 12:12:18 -04:00
pqmq.c	Support frontend-backend protocol communication using a shm_mq.	2014-10-31 12:02:40 -04:00
pqsignal.c	Update copyright for 2014	2014-01-07 16:05:30 -05:00

README.SSL

src/backend/libpq/README.SSL

SSL
===

>From the servers perspective:


  Receives StartupPacket
           |
           |
 (Is SSL_NEGOTIATE_CODE?) -----------  Normal startup
           |                  No
           |
           | Yes
           |
           |
 (Server compiled with USE_SSL?) ------- Send 'N'
           |                       No        |
           |                                 |
           | Yes                         Normal startup
           |
           |
        Send 'S'
           |
           |
      Establish SSL
           |
           |
      Normal startup





>From the clients perspective (v6.6 client _with_ SSL):


      Connect
         |
         |
  Send packet with SSL_NEGOTIATE_CODE
         |
         |
  Receive single char  ------- 'S' -------- Establish SSL
         |                                       |
         | '<else>'                              |
         |                                  Normal startup
         |
         |
   Is it 'E' for error  ------------------- Retry connection
         |                  Yes             without SSL
         | No
         |
   Is it 'N' for normal ------------------- Normal startup
         |                  Yes
         |
   Fail with unknown

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