| Commit message (Collapse) | Author | Age | Files | |
|---|---|---|---|---|
| * | Change group of executables in /usr/local/{bin,sbin} from root to staff. | Guilhem Moulin | 2017-05-14 | 2 |
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| * | Postfix: ensure common aliases are present. | Guilhem Moulin | 2016-09-18 | 2 |
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| * | FreshClam: change ownership of /etc/clamav/freshclam.conf. | Guilhem Moulin | 2016-09-18 | 1 |
| | | | | | | | | | To match the stock version shipped by clamav-freshclam 0.99.2+dfsg-0+deb8u2 ~$ stat -c '%U:%G %a' /etc/clamav/freshclam.conf clamav:adm 444 | |||
| * | Route all internal SMTP traffic through IPsec. | Guilhem Moulin | 2016-07-10 | 1 |
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| * | Postfix: don't share the master.cf between the instances. | Guilhem Moulin | 2016-07-10 | 1 |
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| * | Route SMTP traffic from the webmail through IPsec. | Guilhem Moulin | 2016-07-10 | 1 |
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| * | ClamAV (FreshClam): use a localized Database Mirror. | Guilhem Moulin | 2016-07-09 | 1 |
| | | | | | | | As db.local.clamav.net is not always properly localized. Furthermore, our previous Ansiblee script did not ensure ordering of the DatabaseMirror lines. | |||
| * | IPSec → IPsec | Guilhem Moulin | 2016-06-29 | 1 |
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| * | Use stunnel to secure the connection from the webmail to ldap.fripost.org. | Guilhem Moulin | 2016-06-05 | 1 |
| | | | | | | We should use IPSec instead, but doing so would force us to weaken slapd.conf's ‘security’ setting. | |||
| * | IPSec: replace (self-signed) X.509 certs by their raw pubkey for authentication. | Guilhem Moulin | 2016-05-24 | 1 |
| | | | | | There is no need to bother with X.509 cruft here. | |||
| * | Tunnel bacula (dir → {fd,sd} and fd → sd) traffic through IPSec. | Guilhem Moulin | 2016-05-22 | 1 |
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| * | Tunnel munin-update traffic through IPSec. | Guilhem Moulin | 2016-05-22 | 3 |
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| * | Set up IPSec tunnels between each pair of hosts. | Guilhem Moulin | 2016-05-22 | 3 |
| | | | | | | | | | | | | | | | | 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. | |||
| * | Move /etc/ssl/private/dhparams.pem to /etc/ssl/dhparams.pem and make it public. | Guilhem Moulin | 2016-05-18 | 1 |
| | | | | | | | | | | | 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. | |||
| * | Add an ansible module 'fetch_cmd' to fetch the output of a remote command ↵ | Guilhem Moulin | 2016-05-18 | 3 |
| | | | | | | | locally. And use this to fetch all X.509 leaf certificates. | |||
| * | Use systemd unit files for stunnel4. | Guilhem Moulin | 2016-05-12 | 5 |
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| * | sysctl: don't set IPv6 privacy extensions globaly. | Guilhem Moulin | 2016-04-01 | 1 |
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| * | sysctl: set net.ipv6.conf.all.accept_ra = 0. | Guilhem Moulin | 2016-03-30 | 1 |
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| * | Ansible: Using bare variables is deprecated, and will be removed in a future ↵ | Guilhem Moulin | 2016-03-02 | 2 |
| | | | | | release. | |||
| * | Upgrade playbooks to Ansible 2.0. | Guilhem Moulin | 2016-02-12 | 5 |
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| * | Only install letsencrypt-tiny to the relevant hosts. | Guilhem Moulin | 2015-12-28 | 1 |
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| * | Use the Let's Encrypt CA for our public certs. | Guilhem Moulin | 2015-12-20 | 1 |
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| * | Internal Postfix config: Generate RSA 4096 keys by default. | Guilhem Moulin | 2015-10-28 | 1 |
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| * | Configure FreshClam. | Guilhem Moulin | 2015-09-15 | 1 |
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| * | Change match to "^(Genuine)?Intel.*" for Intel processors. | Guilhem Moulin | 2015-07-12 | 1 |
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| * | Configure munin nodes & master. | Guilhem Moulin | 2015-06-10 | 2 |
| | | | | | | Interhost communications are protected by stunnel4. The graphs are only visible on the master itself, and content is generated by Fast CGI. | |||
| * | Configure Bacula File Daemon / Storage Daemon / Director. | Guilhem Moulin | 2015-06-07 | 2 |
| | | | | | | Using client-side data signing/encryption and wrapping inter-host communication into stunnel. | |||
| * | Install CAcert.org root certificates. | Guilhem Moulin | 2015-06-07 | 1 |
| | | | | | | XXX: this is a workaround the CAcert root CAs not being present in Jessie. In stretch, we would merely install the 'ca-cacert' package. | |||
| * | logjam mitigation. | Guilhem Moulin | 2015-06-07 | 1 |
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| * | wibble | Guilhem Moulin | 2015-06-07 | 1 |
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| * | Don't instal smartd on KVM guests. | Guilhem Moulin | 2015-06-07 | 1 |
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| * | Upgrade the common package list. | Guilhem Moulin | 2015-06-07 | 2 |
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| * | Add a 'root' alias to root@fripost.org. | Guilhem Moulin | 2015-06-07 | 1 |
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| * | Upgrade rkhunter config to Jessie. | Guilhem Moulin | 2015-06-07 | 1 |
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| * | Don't install intel-microcode on Xen guests. | Guilhem Moulin | 2015-06-07 | 1 |
| | | | | | It should be installed on the dom0 instead. | |||
| * | Don't install smartd on Xen guests. | Guilhem Moulin | 2015-06-07 | 2 |
| | | | | | S.M.A.R.T makes little sense for virtual HDDs. | |||
| * | Install auditd. | Guilhem Moulin | 2015-06-07 | 3 |
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| * | wibble | Guilhem Moulin | 2015-06-07 | 1 |
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| * | Fix NTP configuration. | Guilhem Moulin | 2015-06-07 | 1 |
| | | | | | We've yet to get authenticated time, though. | |||
| * | Ensure have a TLS policy for each of our host we want to relay to. | Guilhem Moulin | 2015-06-07 | 1 |
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| * | Postfix needs to be restarted after rekeying. | Guilhem Moulin | 2015-06-07 | 1 |
| | | | | | (It opens the key as root, but then drops the permissions.) | |||
| * | Add a tag 'tls_policy' to facilitate rekeying. | Guilhem Moulin | 2015-06-07 | 1 |
| | | | | | | First generate all certs (-t genkey), then build the TLS policy maps ( -t tls_policy). | |||
| * | Add ability to add custom OrganizationalUnits in genkeypair. | Guilhem Moulin | 2015-06-07 | 1 |
| | | | | | Also, it's now possible to reuse an existing private key (with -f). | |||
| * | Don't install daemontools. | Guilhem Moulin | 2015-06-07 | 1 |
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| * | Reload Postfix upon configuration change, but don't restart it. | Guilhem Moulin | 2015-06-07 | 1 |
| | | | | | | | (Unless a new instance is created, or the master.cf change is modified.) Changing some variables, such as inet_protocols, require a full restart, but most of the time it's overkill. | |||
| * | Don't restart/reload Postifx upon change of a file based database. | Guilhem Moulin | 2015-06-07 | 1 |
| | | | | | | | And don't restart or reload either upon change of pcre: files that are used by smtpd(8), cleanup(8) or local(8), following the suggestion from http://www.postfix.org/DATABASE_README.html#detect . | |||
| * | wibble | Guilhem Moulin | 2015-06-07 | 2 |
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| * | Remove IPSec related files. | Guilhem Moulin | 2015-06-07 | 1 |
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| * | Tel logcheck which logs to monitor. | Guilhem Moulin | 2015-06-07 | 1 |
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| * | Replace IPSec tunnels by app-level ephemeral TLS sessions. | Guilhem Moulin | 2015-06-07 | 3 |
| | | | | | | For some reason giraff doesn't like IPSec. App-level TLS sessions are less efficient, but thanks to ansible it still scales well. | |||
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