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* Tunnel munin-update traffic through IPSec.Guilhem Moulin2016-05-2217
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* Tunnel internal NTP traffic through IPSec.Guilhem Moulin2016-05-223
| | | | | | | 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 Moulin2016-05-2221
| | | | | | | | | | | | | | | 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 Moulin2016-05-1823
| | | | | | locally. And use this to fetch all X.509 leaf certificates.
* Renew imap.fripost.org:993 and smtp.fripost.org:587 X.509 certificates.Guilhem Moulin2016-05-184
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* dovecot imapc: wibbleGuilhem Moulin2016-05-172
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* roundube: Pin X.509 certificate for sieve.fripost.org:4190.Guilhem Moulin2016-05-172
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* bacula: Set heartbeat options.Guilhem Moulin2016-05-126
| | | | and also TCP keepalive options in the stunnel config.
* bacula-sd: wibbleGuilhem Moulin2016-05-121
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* bacula-dir: Fix Reschedule Interval from 17 months to 17 mins.Guilhem Moulin2016-05-121
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* MySQL: set flush InnoDB flush method to 'O_DIRECT'Guilhem Moulin2016-05-121
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* Add hardening options to our systemd unit files.Guilhem Moulin2016-05-126
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* Use systemd unit files for stunnel4.Guilhem Moulin2016-05-1226
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* Roundcube's CSP: remove 'upgrade-insecure-requests' and ↵Guilhem Moulin2016-04-081
| | | | 'block-all-mixed-content'.
* Roundcube's CSP: allow loading images from data: URIs and arbitrary URLs.Guilhem Moulin2016-04-071
| | | | Per user request: https://wiki.fripost.org/tracker/CSP_too_strict/
* nginx: update ssl_ciphers to follow Mozilla's TLS server recommendation.Guilhem Moulin2016-04-021
| | | | https://mozilla.github.io/server-side-tls/ssl-config-generator/?server=nginx-1.6.2&openssl=1.0.1k&hsts=yes&profile=intermediate
* Set frame-ancestors from 'none' to 'self' in roundcube's CSP.Guilhem Moulin2016-04-021
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* wibbleGuilhem Moulin2016-04-023
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* Set a HPKP on the webmail, website/wiki/git and list manager.Guilhem Moulin2016-04-019
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* Set a CSP on the webmail, website/wiki and list manager.Guilhem Moulin2016-04-015
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* sysctl: don't set IPv6 privacy extensions globaly.Guilhem Moulin2016-04-011
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* sysctl: set net.ipv6.conf.all.accept_ra = 0.Guilhem Moulin2016-03-301
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* Set HTTP security headers.Guilhem Moulin2016-03-309
| | | | See https://securityheaders.io .
* gencerts.sh: typoGuilhem Moulin2016-03-281
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* gencerts.sh: improve formatting.Guilhem Moulin2016-03-281
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* Replace LE's X1 intermediate CA with X3 since the latter has better support ↵Guilhem Moulin2016-03-282
| | | | for XP.
* Reissue certs on civett and elefant since LE's X3 intermediate CA has better ↵Guilhem Moulin2016-03-275
| | | | support for XP.
* munin-master CGI: add application-level ACLs to keep non-local users at bay.Guilhem Moulin2016-03-211
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* Remove SMTP message size limit on non public MTAs.Guilhem Moulin2016-03-213
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* More logcheck-database tweaks.Guilhem Moulin2016-03-131
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* Let's Encrypt: Only reload (as opposed to restart) postfix/nginx after ↵Guilhem Moulin2016-03-054
| | | | renewing the cert
* Amavis: use the LMTP protocol in the policy banks.Guilhem Moulin2016-03-031
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* Let's EncryptGuilhem Moulin2016-03-0221
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* cgit: Create cache directory /var/cache/cgitGuilhem Moulin2016-03-021
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* Ansible: Using bare variables is deprecated, and will be removed in a future ↵Guilhem Moulin2016-03-024
| | | | release.
* More logcheck-database tweaks.Guilhem Moulin2016-02-171
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* s/ansible_ssh_/ansible_/Guilhem Moulin2016-02-122
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* Upgrade playbooks to Ansible 2.0.Guilhem Moulin2016-02-1225
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* Update all Fripost links from http:// to https://.Guilhem Moulin2015-12-283
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* Only install letsencrypt-tiny to the relevant hosts.Guilhem Moulin2015-12-283
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* Fix Let's Encrypt CAfile.Guilhem Moulin2015-12-281
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* Copy and install Let's Encrypt ACME client.Guilhem Moulin2015-12-202
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* Improve gencert.shGuilhem Moulin2015-12-201
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* Use the Let's Encrypt CA for our public certs.Guilhem Moulin2015-12-2030
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* nginx: Move include.d/* to snippets/.Guilhem Moulin2015-12-2012
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