Re: [HACKERS] OpenSSL key renegotiation with patched openssl

2009-11-30 Thread Dave Cramer
Tom Lane wrote: Dave Cramer p...@fastcrypt.com writes: Recently openssl has been patched to not renegotiate keys. http://www.links.org/?p=780 After a certain amount of data has gone through a postgresql connection the server will attempt to switch session keys. What is the workaround (if

Re: [HACKERS] OpenSSL key renegotiation with patched openssl

2009-11-30 Thread Dave Cramer
On Fri, Nov 27, 2009 at 4:58 PM, Tom Lane t...@sss.pgh.pa.us wrote: Stefan Kaltenbrunner ste...@kaltenbrunner.cc writes: Tom Lane wrote: The discussion I saw suggested that you need such a patch at both ends. and likely requires a restart of both postgresql and slony afterwards... Actually,

Re: [HACKERS] OpenSSL key renegotiation with patched openssl

2009-11-30 Thread Magnus Hagander
2009/11/27 Tom Lane t...@sss.pgh.pa.us: Stefan Kaltenbrunner ste...@kaltenbrunner.cc writes: Tom Lane wrote: The discussion I saw suggested that you need such a patch at both ends. and likely requires a restart of both postgresql and slony afterwards... Actually, after looking through the

Re: [HACKERS] OpenSSL key renegotiation with patched openssl

2009-11-30 Thread Tom Lane
Magnus Hagander mag...@hagander.net writes: I haven't looked into the details but - is there a point for us to remove the requests for renegotiation completely? The periodic renegotiations are a recommended security measure. Fixing one hole by introducing a different attack vector doesn't seem

Re: [HACKERS] OpenSSL key renegotiation with patched openssl

2009-11-27 Thread Tom Lane
Dave Cramer p...@fastcrypt.com writes: Recently openssl has been patched to not renegotiate keys. http://www.links.org/?p=780 After a certain amount of data has gone through a postgresql connection the server will attempt to switch session keys. What is the workaround (if any ) to avoid this

Re: [HACKERS] OpenSSL key renegotiation with patched openssl

2009-11-27 Thread Dave Cramer
Tom Lane wrote: Dave Cramer p...@fastcrypt.com writes: Recently openssl has been patched to not renegotiate keys. http://www.links.org/?p=780 After a certain amount of data has gone through a postgresql connection the server will attempt to switch session keys. What is the workaround (if

Re: [HACKERS] OpenSSL key renegotiation with patched openssl

2009-11-27 Thread Tom Lane
Dave Cramer davecra...@gmail.com writes: Tom Lane wrote: Install the updated openssl library. Why are you bugging us about an openssl patch? After applying the updated openssl library slony dies, presumably because the server requests a new session key The discussion I saw suggested that

Re: [HACKERS] OpenSSL key renegotiation with patched openssl

2009-11-27 Thread Stefan Kaltenbrunner
Tom Lane wrote: Dave Cramer davecra...@gmail.com writes: Tom Lane wrote: Install the updated openssl library. Why are you bugging us about an openssl patch? After applying the updated openssl library slony dies, presumably because the server requests a new session key The discussion I

Re: [HACKERS] OpenSSL key renegotiation with patched openssl

2009-11-27 Thread Tom Lane
Stefan Kaltenbrunner ste...@kaltenbrunner.cc writes: Tom Lane wrote: The discussion I saw suggested that you need such a patch at both ends. and likely requires a restart of both postgresql and slony afterwards... Actually, after looking through the available info about this: