Gentoo Archives: gentoo-user

From: Gevisz <gevisz@×××××.com>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] [OT] Strange behaviour of google certificates.
Date: Thu, 02 Apr 2015 08:59:08
Message-Id: 551d04d3.6a93700a.614c.4814@mx.google.com
In Reply to: Re: [gentoo-user] [OT] Strange behaviour of google certificates. by Walter Dnes
1 On Thu, 2 Apr 2015 03:52:40 -0400 "Walter Dnes" <waltdnes@××××××××.org> wrote:
2
3 > On Wed, Apr 01, 2015 at 08:19:45PM +0300, Gevisz wrote
4 >
5 > > So, I am using Claws Mail that downloads e-mails from several
6 > > google mail accounts (all are mine :) and about once or twice
7 > > in a month get into the situation when Claws asks me to verify
8 > > and change the google certificates, first in one direction and
9 > > soon after that (usually during the next downloading of my e-mails)
10 > > - in another.
11 > >
12 > > The situation is illustrated by the 2 message screenshots that are
13 > > attached to this e-mail.
14 > >
15 > > The strange thing for me is that, first, the Claws asks me to verify
16 > > and accept a newer certificate complaing that the old one is in some
17 > > aspect "bad", and soon after that it complains about a newer
18 > > certificate and asks me to verify and and accept the older one.
19 > >
20 > > I suspect that it is google that makes something wrong here.
21 > >
22 > > What do you think?
23 >
24 > The same question came up on the local linux user group here in
25 > Toronto. Apparently "pop.gnail.com" is actually 2 servers...
26 >
27 > [d531][waltdnes][~] nslookup pop.gmail.com
28 > Server: 206.248.154.170
29 > Address: 206.248.154.170#53
30 >
31 > Non-authoritative answer:
32 > pop.gmail.com canonical name = gmail-pop.l.google.com.
33 > Name: gmail-pop.l.google.com
34 > Address: 173.194.192.108
35 > Name: gmail-pop.l.google.com
36 > Address: 173.194.192.109
37 >
38 > The 2 servers probably have different certificates, which is why you
39 > get this behaviour. I suggest going into "apk mode" and putting an
40 > entry into your hosts file <G>, like...
41 >
42 > 173.194.192.108 pop.gmail.com
43 >
44 > This will force your system to always use the same server, and avoid
45 > the re-validation every time you hit the other server from the one you
46 > used the previous time.
47
48 Thank you for your advice. Added that line to my /etc/hosts file.
49 After that Claws asked to verify the google certificate once again,
50 but I hope that that was the last time this month and that that madness
51 with google certificates finally ends. (Because in the last 2 days this
52 situation repeated at least 20 or more times.)

Replies

Subject Author
Re: [gentoo-user] [OT] Strange behaviour of google certificates. bitlord <bitlord0xff@×××××.com>