diff options
| author | Guilhem Moulin <guilhem@fripost.org> | 2022-12-14 12:01:33 +0100 |
|---|---|---|
| committer | Guilhem Moulin <guilhem@fripost.org> | 2022-12-18 13:29:34 +0100 |
| commit | 7ea3baad594b889f6f7f4e7e4ccc4dc7c0099bc6 (patch) | |
| tree | 211a5c2004e22bc858c00560bbd37e1137b07816 /roles/common/templates/etc | |
| parent | c854664b9043e9a04fe0115fb115643543eddf6f (diff) | |
Improve Debian 11's fail2ban rules.
Diffstat (limited to 'roles/common/templates/etc')
| -rw-r--r-- | roles/common/templates/etc/fail2ban/jail.local.j2 | 4 | ||||
| -rwxr-xr-x | roles/common/templates/etc/nftables.conf.j2 | 6 |
2 files changed, 6 insertions, 4 deletions
diff --git a/roles/common/templates/etc/fail2ban/jail.local.j2 b/roles/common/templates/etc/fail2ban/jail.local.j2 index b01709a..3cd19cc 100644 --- a/roles/common/templates/etc/fail2ban/jail.local.j2 +++ b/roles/common/templates/etc/fail2ban/jail.local.j2 @@ -13,7 +13,9 @@ destemail = admin@fripost.org ignoreip = 127.0.0.0/8, ::1, {{ ipsec_subnet }} banaction = nftables-allports -logpath = /var/log/fail2ban/fail2ban.log + +# must match nftables.conf's blackholes timeouts +bantime = 10m # # JAILS diff --git a/roles/common/templates/etc/nftables.conf.j2 b/roles/common/templates/etc/nftables.conf.j2 index 66b1f9d..805d1a8 100755 --- a/roles/common/templates/etc/nftables.conf.j2 +++ b/roles/common/templates/etc/nftables.conf.j2 @@ -145,7 +145,7 @@ table inet raw { } table inet filter { - # blackholes + # blackholes (timeout must match /etc/fail2ban/jail.local) set fail2ban { type ipv4_addr; timeout 10m; } set fail2ban6 { type ipv6_addr; timeout 10m; } @@ -186,8 +186,8 @@ table inet filter { ip6 version 6 udp sport 547 udp dport 546 ct state related,established accept {% endif %} - meta l4proto tcp ip saddr @fail2ban counter drop - meta l4proto tcp ip6 saddr @fail2ban6 counter drop + ip saddr @fail2ban counter drop + ip6 saddr @fail2ban6 counter drop tcp dport $in-tcp-ports ct state related,established accept tcp dport $in-tcp-ports ct state new counter accept |