j’ai tenté de remettre le pare-feu à neuf. ça donne ça :
[code]Lothlorien:/home/xavier# iptables-save
Generated by iptables-save v1.4.4 on Sun Oct 4 12:42:37 2009
*raw
:PREROUTING ACCEPT [247717:211018663]
:OUTPUT ACCEPT [233516:113467123]
COMMIT
Completed on Sun Oct 4 12:42:37 2009
Generated by iptables-save v1.4.4 on Sun Oct 4 12:42:37 2009
*mangle
:PREROUTING ACCEPT [236060:201532234]
:INPUT ACCEPT [236060:201532234]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [223000:109172101]
:POSTROUTING ACCEPT [222998:109172021]
COMMIT
Completed on Sun Oct 4 12:42:37 2009
Generated by iptables-save v1.4.4 on Sun Oct 4 12:42:37 2009
*nat
:PREROUTING ACCEPT [2481:307044]
:POSTROUTING ACCEPT [1002:92527]
:OUTPUT ACCEPT [1002:92527]
COMMIT
Completed on Sun Oct 4 12:42:37 2009
Generated by iptables-save v1.4.4 on Sun Oct 4 12:42:37 2009
*filter
:INPUT DROP [9:8380]
:FORWARD DROP [0:0]
:OUTPUT DROP [0:0]
:INBOUND - [0:0]
:LOG_FILTER - [0:0]
:LSI - [0:0]
:LSO - [0:0]
:OUTBOUND - [0:0]
-A INPUT -s 192.168.1.1/32 -p tcp -m tcp ! --tcp-flags FIN,SYN,RST,ACK SYN -j ACCEPT
-A INPUT -s 192.168.1.1/32 -p udp -j ACCEPT
-A INPUT -s 192.168.1.1/32 -p tcp -m tcp ! --tcp-flags FIN,SYN,RST,ACK SYN -j ACCEPT
-A INPUT -s 192.168.1.1/32 -p udp -j ACCEPT
-A INPUT -i lo -j ACCEPT
-A INPUT -p icmp -m limit --limit 10/sec -j ACCEPT
-A INPUT -d 255.255.255.255/32 -i wlan0 -j DROP
-A INPUT -d 192.168.1.255/32 -j DROP
-A INPUT -s 224.0.0.0/8 -j DROP
-A INPUT -d 224.0.0.0/8 -j DROP
-A INPUT -s 255.255.255.255/32 -j DROP
-A INPUT -d 0.0.0.0/32 -j DROP
-A INPUT -m state --state INVALID -j DROP
-A INPUT -f -m limit --limit 10/min -j LSI
-A INPUT -i wlan0 -j INBOUND
-A INPUT -j LOG_FILTER
-A INPUT -j LOG --log-prefix “Unknown Input” --log-level 6
-A FORWARD -p icmp -m limit --limit 10/sec -j ACCEPT
-A FORWARD -j LOG_FILTER
-A FORWARD -j LOG --log-prefix “Unknown Forward” --log-level 6
-A OUTPUT -s 192.168.1.4/32 -d 192.168.1.1/32 -p tcp -m tcp --dport 53 -j ACCEPT
-A OUTPUT -s 192.168.1.4/32 -d 192.168.1.1/32 -p udp -m udp --dport 53 -j ACCEPT
-A OUTPUT -s 192.168.1.4/32 -d 192.168.1.1/32 -p tcp -m tcp --dport 53 -j ACCEPT
-A OUTPUT -s 192.168.1.4/32 -d 192.168.1.1/32 -p udp -m udp --dport 53 -j ACCEPT
-A OUTPUT -o lo -j ACCEPT
-A OUTPUT -s 224.0.0.0/8 -j DROP
-A OUTPUT -d 224.0.0.0/8 -j DROP
-A OUTPUT -s 255.255.255.255/32 -j DROP
-A OUTPUT -d 0.0.0.0/32 -j DROP
-A OUTPUT -m state --state INVALID -j DROP
-A OUTPUT -o wlan0 -j OUTBOUND
-A OUTPUT -j LOG_FILTER
-A OUTPUT -j LOG --log-prefix “Unknown Output” --log-level 6
-A INBOUND -p tcp -m state --state RELATED,ESTABLISHED -j ACCEPT
-A INBOUND -p udp -m state --state RELATED,ESTABLISHED -j ACCEPT
-A INBOUND -p tcp -m tcp --dport 55550 -j ACCEPT
-A INBOUND -p udp -m udp --dport 55550 -j ACCEPT
-A INBOUND -p tcp -m tcp --dport 55551 -j ACCEPT
-A INBOUND -p udp -m udp --dport 55551 -j ACCEPT
-A INBOUND -p tcp -m tcp --dport 20:21 -j ACCEPT
-A INBOUND -p udp -m udp --dport 20:21 -j ACCEPT
-A INBOUND -j LSI
-A LSI -j LOG_FILTER
-A LSI -p tcp -m tcp --tcp-flags FIN,SYN,RST,ACK SYN -m limit --limit 1/sec -j LOG --log-prefix "Inbound " --log-level 6
-A LSI -p tcp -m tcp --tcp-flags FIN,SYN,RST,ACK SYN -j DROP
-A LSI -p tcp -m tcp --tcp-flags FIN,SYN,RST,ACK RST -m limit --limit 1/sec -j LOG --log-prefix "Inbound " --log-level 6
-A LSI -p tcp -m tcp --tcp-flags FIN,SYN,RST,ACK RST -j DROP
-A LSI -p icmp -m icmp --icmp-type 8 -m limit --limit 1/sec -j LOG --log-prefix "Inbound " --log-level 6
-A LSI -p icmp -m icmp --icmp-type 8 -j DROP
-A LSI -m limit --limit 5/sec -j LOG --log-prefix "Inbound " --log-level 6
-A LSI -j DROP
-A LSO -j LOG_FILTER
-A LSO -m limit --limit 5/sec -j LOG --log-prefix "Outbound " --log-level 6
-A LSO -j REJECT --reject-with icmp-port-unreachable
-A OUTBOUND -p icmp -j ACCEPT
-A OUTBOUND -p tcp -m state --state RELATED,ESTABLISHED -j ACCEPT
-A OUTBOUND -p udp -m state --state RELATED,ESTABLISHED -j ACCEPT
-A OUTBOUND -j ACCEPT
COMMIT
Completed on Sun Oct 4 12:42:37 2009[/code]
C’est mieux ou pas? Sinon, comment puis-je le remettre vierge? Quel outils me conseillez-vous pour le gérer?