@ drcux:
ja, die Shell schluckt die Eingabe ohne Widerworte.
[root@ArchServer log]# iptables -D INPUT -p tcp --dport ssh -j f2b-default
[root@ArchServer log]# iptables -L
Chain INPUT (policy ACCEPT)
target prot opt source destination
f2b-default tcp -- anywhere anywhere
Chain FORWARD (policy ACCEPT)
target prot opt source destination
Chain OUTPUT (policy ACCEPT)
target prot opt source destination
Chain f2b-default (1 references)
target prot opt source destination
RETURN all -- anywhere anywhere
RETURN all -- anywhere anywhere
Auszug aus dem fail2ban log:
2015-02-09 17:17:04,104 fail2ban.server [9516]: INFO Changed logging target to /var/log/fail2ban.log for Fail2ban v0.9.1
2015-02-09 17:17:04,108 fail2ban.database [9516]: INFO Connected to fail2ban persistent database '/var/lib/fail2ban/fail2ban.sqlite3'
2015-02-09 17:17:04,116 fail2ban.jail [9516]: INFO Creating new jail 'sshd'
2015-02-09 17:17:04,179 fail2ban.jail [9516]: INFO Jail 'sshd' uses pyinotify
2015-02-09 17:17:04,249 fail2ban.filter [9516]: INFO Set jail log file encoding to ANSI_X3.4-1968
2015-02-09 17:17:04,255 fail2ban.jail [9516]: INFO Initiated 'pyinotify' backend
2015-02-09 17:17:04,260 fail2ban.filter [9516]: INFO Set findtime = 50
2015-02-09 17:17:04,262 fail2ban.filter [9516]: INFO Set maxRetry = 2
2015-02-09 17:17:04,263 fail2ban.filter [9516]: INFO Set jail log file encoding to ANSI_X3.4-1968
2015-02-09 17:17:04,263 fail2ban.actions [9516]: INFO Set banTime = 6000
2015-02-09 17:17:04,267 fail2ban.filter [9516]: INFO Added logfile = /var/log/auth.log
2015-02-09 17:17:04,273 fail2ban.filter [9516]: INFO Set maxlines = 10
2015-02-09 17:17:04,522 fail2ban.server [9516]: INFO Jail sshd is not a JournalFilter instance
2015-02-09 17:17:04,531 fail2ban.jail [9516]: INFO Creating new jail 'wordpress'
2015-02-09 17:17:04,531 fail2ban.jail [9516]: INFO Jail 'wordpress' uses pyinotify
2015-02-09 17:17:04,538 fail2ban.filter [9516]: INFO Set jail log file encoding to ANSI_X3.4-1968
2015-02-09 17:17:04,546 fail2ban.jail [9516]: INFO Initiated 'pyinotify' backend
2015-02-09 17:17:04,552 fail2ban.filter [9516]: INFO Set findtime = 50
2015-02-09 17:17:04,553 fail2ban.filter [9516]: INFO Set maxRetry = 2
2015-02-09 17:17:04,554 fail2ban.filter [9516]: INFO Set jail log file encoding to ANSI_X3.4-1968
2015-02-09 17:17:04,555 fail2ban.actions [9516]: INFO Set banTime = 6000
2015-02-09 17:17:04,622 fail2ban.jail [9516]: INFO Jail 'sshd' started
Nachtrag am 10.02.2015:
Nach einem Reboot funktioniert das Plötzlich wieder.
Allerdings gibt es da noch einpaar Nebenwirkungen...
Werde das heute noch mal beobachten und dann mich melden.