19 lines
529 B
Plaintext
19 lines
529 B
Plaintext
[options]
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UseSyslog
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# Uncomment to specify interface:
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# Interface = eth0
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# Knock sequence: 7000 → 8000 → 9000 to OPEN SSH
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[openSSH]
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sequence = 7000,8000,9000
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seq_timeout = 10
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command = /sbin/iptables -I INPUT -s %IP% -p tcp --dport 22 -j ACCEPT
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tcpflags = syn
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# Knock sequence: 9000 → 8000 → 7000 to CLOSE SSH again
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[closeSSH]
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sequence = 9000,8000,7000
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seq_timeout = 10
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command = /sbin/iptables -D INPUT -s %IP% -p tcp --dport 22 -j ACCEPT
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tcpflags = syn
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