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* Postfix MX/MSA instances: don't ask the remote SMTP client for a client ↵Guilhem Moulin2016-07-102
| | | | | | | certificate. See postconf(5). This avoids the “(Client did not present a certificate)” messages in the Received headers.
* Postfix: avoid hardcoding the instance names.Guilhem Moulin2016-07-102
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* Postfix: don't share the master.cf between the instances.Guilhem Moulin2016-07-1012
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* postfix: Don't explicitly set inet_interfaces=all as it's the default.Guilhem Moulin2016-07-105
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* Change the pubkey extension from .pem to .pub.Guilhem Moulin2016-07-107
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* Route SMTP traffic from the webmail through IPsec.Guilhem Moulin2016-07-108
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* More logcheck-database tweaks.Guilhem Moulin2016-07-092
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* Localize the NTP pool hostnames.Guilhem Moulin2016-07-091
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* Localize the debian archive hostnames.Guilhem Moulin2016-07-091
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* ClamAV (FreshClam): use a localized Database Mirror.Guilhem Moulin2016-07-092
| | | | | | As db.local.clamav.net is not always properly localized. Furthermore, our previous Ansiblee script did not ensure ordering of the DatabaseMirror lines.
* IMAP: don't include mailbox under the virtual namespace in LIST responses.Guilhem Moulin2016-07-062
| | | | | | | | | Clients now have to use the NAMESPACE extension [RFC 2342] to discover mailboxes under the “virtual/” namespace. (Plus an extra LIST command, causing an overhead two roundtrips.) Of course the downside is that non namespace-aware clients lose access to the “virtual/{all,flagged,…}” mailboxes, but on second thought it's probably better this way rather than having such clients treat these mailboxes as regular mailboxes.
* dovecot: use the MSA postfix instance for sieve redirection.Guilhem Moulin2016-07-012
| | | | | We don't want to use the default instance since its SIZE limit is tighter than the ones on the MX:es.
* IPSec → IPsecGuilhem Moulin2016-06-295
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* More logcheck-database tweaks.Guilhem Moulin2016-06-293
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* update-firewall.sh: COMMIT empty iptables rule files.Guilhem Moulin2016-06-291
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* Postfix MSA: don't allow unauthenticated clients from $mynetworks.Guilhem Moulin2016-06-291
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* certs/public: fetch each cert's pubkey (SPKI), not the cert itself.Guilhem Moulin2016-06-157
| | | | To avoid new commits upon cert renewal.
* Rename letsencrypt-tiny to lacme.Guilhem Moulin2016-06-157
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* wwsympa systemd service file: Set PrivateTmp=yes.Guilhem Moulin2016-06-071
| | | | The CGI wants to create a temp file during bulk subcription.
* clamav: Don't set obsolete option 'AllowSupplementaryGroups'.Guilhem Moulin2016-06-051
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* Use stunnel to secure the connection from the webmail to ldap.fripost.org.Guilhem Moulin2016-06-055
| | | | | We should use IPSec instead, but doing so would force us to weaken slapd.conf's ‘security’ setting.
* postfix: rotate the sender address for verify probes.Guilhem Moulin2016-06-022
| | | | | In order to avoid ‘double-bounce@’ ending up on spammer mailing lists. See http://www.postfix.org/ADDRESS_VERIFICATION_README.html .
* Remove the IMAP caching proxy.Guilhem Moulin2016-05-2810
| | | | | | | | | Dovecot imapc requires two authentication rounds to the IMAP backend for each connection. It seems suboptimal that Roundcube keeps connecting to the IMAP server for each new connection, but benchmarks shows little advantage in caching the IMAP sessions with imapproxy: http://www.dovecot.org/list/dovecot/2012-February/133544.html
* Roundcube: route IMAP and managesieve traffic through IPSec.Guilhem Moulin2016-05-282
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* Roundcube: add a link to our webpage as support URL.Guilhem Moulin2016-05-241
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* typoGuilhem Moulin2016-05-241
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* IPSec: replace (self-signed) X.509 certs by their raw pubkey for authentication.Guilhem Moulin2016-05-243
| | | | There is no need to bother with X.509 cruft here.
* dovecot: don't listen on the IP dedicated for IPSec when there is a single host.Guilhem Moulin2016-05-231
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* Roundcube: add a warning regarding IMAP hostname change.Guilhem Moulin2016-05-231
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* Dovecot imapc: use the version from jessie-backports.Guilhem Moulin2016-05-237
| | | | | Since many bug have been fixed since 2.2.13, and we really want passthrough search on the caching proxy.
* Dovecot imapc: don't hardcode the master IMAP server's IP.Guilhem Moulin2016-05-233
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* Dovecot imapc: change imapproxy's homedir from /home/imapproxy to ↵Guilhem Moulin2016-05-222
| | | | /var/lib/imapproxy.
* dovecot: also listen on the virtual IP dedicated to IPSec.Guilhem Moulin2016-05-222
| | | | | | (On port 143.) Moreover, add the whole IPSec virtual subnet to ‘login_trusted_networks’ since our IPSec tunnels provide end-to-end encryption and we therefore don't need the extra SSL/TLS protection.
* spamassassin: list our IPSec subnet in trusted_networks.Guilhem Moulin2016-05-223
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* IMAP proxy: copy only the leaf cert, not the whole chain.Guilhem Moulin2016-05-221
| | | | The comment regarding stunnel4 seems to not be relevant any longer.
* wiki.fripost.org CSP: allow inline styles/scripts, and form actions to Paypal.Guilhem Moulin2016-05-221
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* wiki: replace the formatting engine from Markdown.pl to pandocGuilhem Moulin2016-05-223
| | | | | Using https://raw.githubusercontent.com/sciunto-org/ikiwiki-pandoc/master/pandoc.pm at revision 60fd07b46c750e0891e3474f75e26076348b66c5
* genkeypair, gendhparam: use -rand /dev/urandom when generating keys or DH ↵Guilhem Moulin2016-05-222
| | | | parameters.
* Tunnel bacula (dir → {fd,sd} and fd → sd) traffic through IPSec.Guilhem Moulin2016-05-2215
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* Fix munin-cgi-graph systemd service file.Guilhem Moulin2016-05-222
| | | | By allowing to place graphs into /var/lib/munin/cgi-tmp/munin-cgi-graph.
* Tunnel munin-update traffic through IPSec.Guilhem Moulin2016-05-2211
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* Tunnel internal NTP traffic through IPSec.Guilhem Moulin2016-05-222
| | | | | | | More precisely, between our NTP-master (stratum 1) host and the other machines (all stratum 2). Providing authentification and integrity for internal NTP traffic ensures a consistent time within our internal infrastructure.
* Set up IPSec tunnels between each pair of hosts.Guilhem Moulin2016-05-2213
| | | | | | | | | | | | | | | We use a dedicated, non-routable, IPv4 subnet for IPSec. Furthermore the subnet is nullrouted in the absence of xfrm lookup (i.e., when there is no matching IPSec Security Association) to avoid data leaks. Each host is associated with an IP in that subnet (thus only reachble within that subnet, either by the host itself or by its IPSec peers). The peers authenticate each other using RSA public key authentication. Kernel traps are used to ensure that connections are only established when traffic is detected between the peers; after 30m of inactivity (this value needs to be less than the rekeying period) the connection is brought down and a kernel trap is installed.
* postfix: master.cf wibbleGuilhem Moulin2016-05-181
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* postfix: Update to recommended TLS settings.Guilhem Moulin2016-05-187
| | | | | | | | Following Viktor Dukhovni's 2015-08-06 recommendation http://article.gmane.org/gmane.mail.postfix.user/251935 (We're using stronger ciphers and protocols in our own infrastructure.)
* postfix: unset 'smtpd_tls_session_cache_database'.Guilhem Moulin2016-05-185
| | | | | | Following Viktor Dukhovni's 2015-08-06 recommendation for Postfix >= 2.11 http://article.gmane.org/gmane.mail.postfix.user/251935
* Move /etc/ssl/private/dhparams.pem to /etc/ssl/dhparams.pem and make it public.Guilhem Moulin2016-05-188
| | | | | | | | | | Ideally we we should also increase the Diffie-Hellman group size from 2048-bit to 3072-bit, as per ENISA 2014 report. https://www.enisa.europa.eu/publications/algorithms-key-size-and-parameters-report-2014 But we postpone that for now until we are reasonably certain that older client won't be left out.
* postfix: disable weak ciphers for the 'encrypt' TLS security level.Guilhem Moulin2016-05-183
| | | | That is, on the MSA and in our local infrastructure.
* Add an ansible module 'fetch_cmd' to fetch the output of a remote command ↵Guilhem Moulin2016-05-1813
| | | | | | locally. And use this to fetch all X.509 leaf certificates.
* dovecot imapc: wibbleGuilhem Moulin2016-05-172
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