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55 lines
No EOL
2.1 KiB
Markdown
55 lines
No EOL
2.1 KiB
Markdown
#Fail2ban
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##Débloquer une IP
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Tout d'abord on affiche le listing de toute les régles iptables avec la commande :
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```bash
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root@beudi:~# iptables -L --line-numbers
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Chain INPUT (policy ACCEPT)
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num target prot opt source destination
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1 fail2ban-yunohost tcp -- anywhere anywhere multiport dports http,https
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2 fail2ban-nginx tcp -- anywhere anywhere multiport dports http,https
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3 fail2ban-dovecot tcp -- anywhere anywhere multiport dports smtp,ssmtp,imap2,imap3,imaps,pop3,pop3s
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4 fail2ban-sasl tcp -- anywhere anywhere multiport dports smtp,ssmtp,imap2,imap3,imaps,pop3,pop3s
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5 fail2ban-ssh tcp -- anywhere anywhere multiport dports ssh
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Chain FORWARD (policy ACCEPT)
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num target prot opt source destination
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Chain OUTPUT (policy ACCEPT)
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num target prot opt source destination
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Chain fail2ban-dovecot (1 references)
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num target prot opt source destination
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1 RETURN all -- anywhere anywhere
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Chain fail2ban-nginx (1 references)
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num target prot opt source destination
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1 RETURN all -- anywhere anywhere
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Chain fail2ban-sasl (1 references)
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num target prot opt source destination
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1 RETURN all -- anywhere anywhere
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Chain fail2ban-ssh (1 references)
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num target prot opt source destination
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1 RETURN all -- anywhere anywhere
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Chain fail2ban-yunohost (1 references)
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num target prot opt source destination
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1 DROP all -- 80.215.197.201 anywhere
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2 RETURN all -- anywhere anywhere
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```
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Il nous indique que l'ip 80.215.197.201 est banni dans la règle fail2ban-yunohost.
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Pour débloquer cette IP il faut faire la commande
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iptables -D nom_de_la_regle numéro_de_l'entré
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exemple :
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```bash
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iptables -D fail2ban-yunohost 1
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``` |