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0a78320057
postgresql/src/backend/libpq
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Bruce Momjian 0a78320057 pgindent run for 9.4 
This includes removing tabs after periods in C comments, which was
applied to back branches, so this change should not effect backpatching.
2014-05-06 12:12:18 -04:00
..
auth.c pgindent run for 9.4 2014-05-06 12:12:18 -04:00
be-fsstubs.c pgindent run for 9.4 2014-05-06 12:12:18 -04:00
be-secure.c pgindent run for 9.4 2014-05-06 12:12:18 -04:00
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 pgindent run for 9.4 2014-05-06 12:12:18 -04:00
ip.c check socket creation errors against PGINVALID_SOCKET 2014-04-16 10:45:48 -04:00
Makefile Remove cvs keywords from all files. 2010-09-20 22:08:53 +02:00
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 pgindent run for 9.4 2014-05-06 12:12:18 -04:00
pqformat.c pgindent run for 9.4 2014-05-06 12:12:18 -04:00
pqsignal.c Update copyright for 2014 2014-01-07 16:05:30 -05:00
README.SSL Remove useless whitespace at end of lines 2010-11-23 22:34:55 +02:00

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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