Re: Avoiding POODLE vulnerability

2023-11-19 Thread Michael Orlitzky
On Sun, 2023-11-19 at 18:28 -0500, Steve Litt wrote: > > doveconf -d shows that I have no such config key as ssl_protocols, my > ssl_min_protocol is TLSv1.2, and the default ssl_cipher_list is the > following huge string: > > ALL:!kRSA:!SRP:!kDHd:!DSS:!aNULL:!eNULL:!EXPORT:!DES:!3DES:!MD5:!PSK:!R

Re: Avoiding POODLE vulnerability

2023-11-19 Thread Steve Litt
Bernardo Reino said on Sun, 19 Nov 2023 09:04:15 +0100 (CET) >On Sun, 19 Nov 2023, Steve Litt wrote: > >> Michael Orlitzky said on Sat, 18 Nov 2023 17:31:49 -0500 >> >>> On Sat, 2023-11-18 at 16:54 -0500, Steve Litt wrote: I forgot to say: I'm using Dovecot 2.3.21 on an up to date 64

Re: Avoiding POODLE vulnerability

2023-11-19 Thread Michael Orlitzky
On Sun, 2023-11-19 at 15:33 -0500, Steve Litt wrote: > > Thanks Bernardo, > > I use Void Linux, not Debian. Is there a command that tells me the > defaults? > The one I typed :) The doveconf command has a few flags that control what settings are displayed, and "-d" tells it to show the default

Re: Avoiding POODLE vulnerability

2023-11-19 Thread Steve Litt
Bernardo Reino said on Sun, 19 Nov 2023 09:04:15 +0100 (CET) >On Sun, 19 Nov 2023, Steve Litt wrote: > >> Michael Orlitzky said on Sat, 18 Nov 2023 17:31:49 -0500 >> >>> On Sat, 2023-11-18 at 16:54 -0500, Steve Litt wrote: I forgot to say: I'm using Dovecot 2.3.21 on an up to date 64

Re: Avoiding POODLE vulnerability

2023-11-19 Thread Bernardo Reino
On Sun, 19 Nov 2023, Steve Litt wrote: Michael Orlitzky said on Sat, 18 Nov 2023 17:31:49 -0500 On Sat, 2023-11-18 at 16:54 -0500, Steve Litt wrote: I forgot to say: I'm using Dovecot 2.3.21 on an up to date 64 bit x86_64 Void Linux computer using runit for its init system. I populate Doveco

Re: Avoiding POODLE vulnerability

2023-11-18 Thread Steve Litt
Michael Orlitzky said on Sat, 18 Nov 2023 17:31:49 -0500 >On Sat, 2023-11-18 at 16:54 -0500, Steve Litt wrote: >> >> I forgot to say: I'm using Dovecot 2.3.21 on an up to date 64 bit >> x86_64 Void Linux computer using runit for its init system. I >> populate Dovecot's Maildir via fetchmail and p

Re: Avoiding POODLE vulnerability

2023-11-18 Thread Michael Orlitzky
On Sat, 2023-11-18 at 16:54 -0500, Steve Litt wrote: > > I forgot to say: I'm using Dovecot 2.3.21 on an up to date 64 bit > x86_64 Void Linux computer using runit for its init system. I populate > Dovecot's Maildir via fetchmail and procmail. > You probably don't have to do anything. SSLv2 and

Re: Avoiding POODLE vulnerability

2023-11-18 Thread Steve Litt
Steve Litt said on Sat, 18 Nov 2023 16:42:42 -0500 >Hi all, > >Ten years after the fact I learned about POODLE (Padding Oracle On >Downgraded Legacy Encryption) vulnerabilities, which enable a poorly >configured server to force my client to downgrade to vulnerable >encryption. > >My current conf.d

Avoiding POODLE vulnerability

2023-11-18 Thread Steve Litt
Hi all, Ten years after the fact I learned about POODLE (Padding Oracle On Downgraded Legacy Encryption) vulnerabilities, which enable a poorly configured server to force my client to downgrade to vulnerable encryption. My current conf.d/10-ssl.conf contains the following line: ssl_cipher_list =