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initial commit
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1 |
-X |
| 2 |
-F |
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| 3 |
-P INPUT DROP |
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-P FORWARD DROP |
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-P OUTPUT DROP |
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# on autorise les boucles locales |
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-A INPUT -i lo -j ACCEPT |
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-A INPUT ! -i lo -d 127.0.0.0/8 -j REJECT |
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-A INPUT -i eth0 -m state --state ESTABLISHED,RELATED -j ACCEPT |
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# DNS |
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-A OUTPUT -p udp --dport domain -j ACCEPT |
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# https |
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-A INPUT -i eth0 -p tcp -m multiport --dports http,https -j ACCEPT |
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-A OUTPUT -p tcp -m multiport --sports http,https -j ACCEPT |
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-A OUTPUT -p tcp --dport https -j ACCEPT |
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#-A INPUT -i eth0 -m state --state NEW,ESTABLISHED -p tcp --dport https -j ACCEPT |
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#-A OUTPUT -m state --state ESTABLISHED -p tcp --sport https -j ACCEPT |
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## http pour maj |
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-A OUTPUT -m owner --uid-owner root -p tcp --dport http -j ACCEPT |
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-A OUTPUT -m owner --uid-owner www-data -p tcp --dport http -j ACCEPT |
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-A OUTPUT -m owner --uid-owner sms -p tcp --dport http -j ACCEPT |
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-A OUTPUT -m owner --uid-owner action -p tcp --dport http -j ACCEPT |
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#OUTPUT denied: IN= OUT=lo SRC=127.0.0.1 DST=127.0.0.1 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=1913 DF PROTO=TCP SPT=49487 DPT=8080 WINDOW=43690 RES=0x00 SYN URGP=0 |
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-A OUTPUT -p tcp --destination 127.0.0.1 --dport http-alt -j ACCEPT |
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#OUTPUT denied: IN= OUT=lo SRC=127.0.0.1 DST=127.0.0.1 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=0 DF PROTO=TCP SPT=8080 DP |
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-A OUTPUT -p tcp --destination 127.0.0.1 --sport http-alt -j ACCEPT |
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# SSH uniquement depuis 192.168.1.51 |
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-A INPUT -i eth0 -m state --state NEW,ESTABLISHED -p tcp --dport ssh --source 192.168.1.51 -j ACCEPT |
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-A OUTPUT -m state --state ESTABLISHED -p tcp --sport ssh --destination 192.168.1.51 -j ACCEPT |
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# envoi de courrier pour les membres du groupe mail (sélection par la conf de ssmtp) |
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-A OUTPUT -m state --state NEW,ESTABLISHED -p tcp --dport ssmtp -j ACCEPT |
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-A INPUT -i eth0 -m state --state ESTABLISHED -p tcp --dport ssmtp -j ACCEPT |
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# NTP |
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-A OUTPUT -m state --state NEW,ESTABLISHED -p udp --sport ntp -j ACCEPT |
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# SaMBa |
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-A OUTPUT -p tcp --destination 192.168.1.51,192.168.1.254 -m multiport --dports microsoft-ds,netbios-ssn -j ACCEPT |
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# XMPP |
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-A INPUT -p tcp --source 192.168.1.52,192.168.1.55 --dport xmpp-client -j ACCEPT |
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-A OUTPUT -p tcp --destination 192.168.1.52,192.168.1.55 --sport xmpp-client -j ACCEPT |
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-A INPUT -p tcp --source 192.168.1.52 --sport xmpp-client -j ACCEPT |
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-A OUTPUT -p tcp --destination 192.168.1.52 --dport xmpp-client -j ACCEPT |
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# log iptables denied calls (access via 'dmesg' command) |
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#-A INPUT -p tcp -j LOG --log-prefix "INPUT denied: " --log-level 7 |
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#-A OUTPUT -p tcp -j LOG --log-prefix "OUTPUT denied: " --log-level 7 |
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#-A INPUT -i eth0 -m limit --limit 5/min -j LOG --log-prefix "INPUT denied: " --log-level 7 |
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#-A OUTPUT -m limit --limit 5/min -j LOG --log-prefix "OUTPUT denied: " --log-level 7 |
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# tout le reste dehors |
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-A INPUT -j DROP |
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-A FORWARD -j DROP |
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-A OUTPUT -j DROP |
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