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Peter Eisentraut a228e44ce4 Update comment 
The "callback" that this comment was referring to was removed by commit
c0a15e07cd, so update to match the current
code.
 		2018-01-18 19:36:34 -05:00
..
Makefile Support SCRAM-SHA-256 authentication (RFC 5802 and 7677). 2017-03-07 14:25:40 +02:00
README.SSL Remove useless whitespace at end of lines 2010-11-23 22:34:55 +02:00
auth-scram.c Implement channel binding tls-server-end-point for SCRAM 2018-01-04 15:29:50 -05:00
auth.c Refactor channel binding code to fetch cbind_data only when necessary 2018-01-04 13:55:12 -05:00
be-fsstubs.c Update copyright for 2018 2018-01-02 23:30:12 -05:00
be-secure-openssl.c Update comment 2018-01-18 19:36:34 -05:00
be-secure.c Update copyright for 2018 2018-01-02 23:30:12 -05:00
crypt.c Update copyright for 2018 2018-01-02 23:30:12 -05:00
hba.c Allow ldaps when using ldap authentication 2018-01-03 10:11:26 -05:00
ifaddr.c Update copyright for 2018 2018-01-02 23:30:12 -05:00
pg_hba.conf.sample Rename "scram" to "scram-sha-256" in pg_hba.conf and password_encryption. 2017-04-18 14:50:50 +03:00
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 Update copyright for 2018 2018-01-02 23:30:12 -05:00
pqformat.c Update copyright for 2018 2018-01-02 23:30:12 -05:00
pqmq.c Update copyright for 2018 2018-01-02 23:30:12 -05:00
pqsignal.c Update copyright for 2018 2018-01-02 23:30:12 -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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