Created
July 31, 2019 12:37
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Fail2Ban filter and jail for Kerberos (krb5-kdc)
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| [krb5kdc] | |
| enabled = true | |
| filter = krb5kdc | |
| bantime = 86400 | |
| maxretry = 6 | |
| backend = systemd | |
| banaction = iptables-allports | |
| protocol = all |
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| [INCLUDES] | |
| before = common.conf | |
| [Definition] | |
| _daemon = krb5kdc | |
| failregex = AS_REQ \([\w\s{}]+\) <HOST>: (PREAUTH_FAILED|CLIENT_NOT_FOUND): | |
| ignoreregex = | |
| [Init] | |
| # "maxlines" is number of log lines to buffer for multi-line regex searches | |
| maxlines = 10 | |
| journalmatch = _SYSTEMD_UNIT=krb5-kdc.service + _COMM=krb5-kdc |
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