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Diffstat (limited to '')
| -rw-r--r-- | system/services/fail2ban/default.nix | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/system/services/fail2ban/default.nix b/system/services/fail2ban/default.nix index 5b5e9e7..5aee097 100644 --- a/system/services/fail2ban/default.nix +++ b/system/services/fail2ban/default.nix @@ -3,6 +3,13 @@ services.fail2ban = { enable = true; maxretry = 2; # ban after 2 failures + daemonConfig = '' + [Definition] + logtarget = SYSLOG + socket = /run/fail2ban/fail2ban.sock + pidfile = /run/fail2ban/fail2ban.pid + dbfile = /srv/fail2ban/fail2ban.sqlite3 + ''; bantime-increment = { enable = true; rndtime = "8m"; @@ -10,5 +17,14 @@ multipliers = "2 4 16 128 256"; maxtime = "72h"; }; + jails = { + dovecot = '' + # block IPs which failed to log-in + # aggressive mode add blocking for aborted connections + enabled = true + filter = dovecot[mode=aggressive] + maxretry = 2 + ''; + }; }; } |