Re: [HACKERS] OpenSSL key renegotiation with patched openssl

2009-11-30 Thread Tom Lane
Magnus Hagander 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 to me to be an imp

Re: [HACKERS] OpenSSL key renegotiation with patched openssl

2009-11-30 Thread Magnus Hagander
2009/11/27 Tom Lane : > Stefan Kaltenbrunner 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: > htt

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 wrote: > Stefan Kaltenbrunner 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 avai

Re: [HACKERS] OpenSSL key renegotiation with patched openssl

2009-11-30 Thread Dave Cramer
Tom Lane wrote: > Dave Cramer 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 )

Re: [HACKERS] OpenSSL key renegotiation with patched openssl

2009-11-27 Thread Tom Lane
Stefan Kaltenbrunner 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: https://svn.resiprocate.org/rep/ietf

Re: [HACKERS] OpenSSL key renegotiation with patched openssl

2009-11-27 Thread Stefan Kaltenbrunner
Tom Lane wrote: Dave Cramer 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 you

Re: [HACKERS] OpenSSL key renegotiation with patched openssl

2009-11-27 Thread Tom Lane
Dave Cramer 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 you need such a

Re: [HACKERS] OpenSSL key renegotiation with patched openssl

2009-11-27 Thread Dave Cramer
Tom Lane wrote: > Dave Cramer 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 )

Re: [HACKERS] OpenSSL key renegotiation with patched openssl

2009-11-27 Thread Tom Lane
Dave Cramer 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 in postgresql

[HACKERS] OpenSSL key renegotiation with patched openssl

2009-11-27 Thread Dave Cramer
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 in postgresql ? Dave -- Sent via pgsql