Hello,
I'm using f2b on numerous server without an issue, they are most of them on
ubuntu 16.04 with f2b version 0.9.3.
I've recently installed a ubuntu 18.04 on a raspberry pi, which comes with
f2b 0.10.2. I"ve configured f2b as usual with some filters for ssh mainly.
f2b start with no error, if I look in log (with loglevel debug) I don't see
any error and there is mention to iptables action.
When I do iptables -L I can only see my custom (and basic) rules:
Chain INPUT (policy ACCEPT)
target prot opt source destination
ACCEPT all -- anywhere anywhere
ACCEPT all -- anywhere anywhere ctstate
RELATED,ESTABLISHED
ACCEPT tcp -- anywhere anywhere tcp dpt:ssh
DROP all -- anywhere anywhere
Chain FORWARD (policy ACCEPT)
target prot opt source destination
Chain OUTPUT (policy ACCEPT)
target prot opt source destination
and in nat table:
Chain PREROUTING (policy ACCEPT)
target prot opt source destination
Chain INPUT (policy ACCEPT)
target prot opt source destination
Chain OUTPUT (policy ACCEPT)
target prot opt source destination
Chain POSTROUTING (policy ACCEPT)
target prot opt source destination
MASQUERADE all -- 10.8.0.0/24 anywhere
but no rules from f2b, if I do fail2ban-client status I get:
Status
|- Number of jail: 7
`- Jail list: f2b-loop2, f2b-loop3, f2b-loop4, f2b-loop5, sshd,
sshd-ddos, sshd-rsa
Thank you
Chris
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