Re: 7.3.1 stamped

Поиск
Список
Период
Сортировка
От Bruce Momjian
Тема Re: 7.3.1 stamped
Дата
Msg-id 200212182030.gBIKUan11180@candle.pha.pa.us
обсуждение исходный текст
Ответ на Re: 7.3.1 stamped  ("scott.marlowe" <scott.marlowe@ihs.com>)
Список pgsql-hackers
> > Wow, which part of "A TLS/SSL connection established with these methods
> > will understand the SSLv2, SSLv3, and TLSv1 protocol" are you finiding
> > particularly confusing?  As nate explained to you, and the man page
> > section I commited states, TLSv1_method *only* supports TLS connections
> > ... SSLv23_method supports SSLv2, v3 and TLSv1 ...
> > 
> > As for 'break into the server" ... ummm ... isn't that what pg_hba.conf is
> > for?  I don't know about servers you run, but I don't let just anyone
> > connect to my server, and, in fact, close down the databases themsleves to
> > specific users ... if you don't trust the client, why are you giving him
> > accss to your data, regardless of the protocol being used to encrypt the
> > sessino??
> 
> But, insecure SSL allows for "man in the middle" type of attacks.  I.e. 
> someone can sniff your secure (?) connection and get the password out of 
> it, then spoof your IP and get in.  The REASON for including TLS/SSL was 
> to give people the ability to connect in a secure method so that IF 
> someone is trying to listen in, they can't grab your name/password or 
> your data.  
> 
> Allowing SSL connects means that that could happen.  Disallowing them 
> inconveniences the user.  My suggestion would be to implement another GUC 
> that by default turns off the insecure connections, and has to be 
> uncommented and changed by the dba to allow the server to serve the 
> insecure SSL method.  Best of both worlds.

At this point, all the SSL2 problems are conjecture on my part, which I
don't understand.  I hesitate to do anything until someone really
knowledgeable can comment.  Re-enabling SSL2 as part of 7.3.1 makes
sense until we can get a definative answer on the risks involved.

--  Bruce Momjian                        |  http://candle.pha.pa.us pgman@candle.pha.pa.us               |  (610)
359-1001+  If your life is a hard drive,     |  13 Roberts Road +  Christ can be your backup.        |  Newtown Square,
Pennsylvania19073
 


В списке pgsql-hackers по дате отправления:

Предыдущее
От: Bruce Momjian
Дата:
Сообщение: Re: v7.3.1 tar ready ... please check it ...
Следующее
От: "scott.marlowe"
Дата:
Сообщение: Re: 7.3.1 stamped