Ola,

Alguem sabe pq apresenta esta mensagem
Jan 13 10:56:42 MailServer kernel: host 10.0.0.4/if3 ignores redirects for
10.0.0.9 to 10.0.0.9.

Utilizo o seguinte

/sbin/depmod -a
/sbin/modprobe ip_tables
/sbin/modprobe ip_conntrack
/sbin/modprobe ip_conntrack_ftp
/sbin/modprobe iptable_nat
/sbin/modprobe iptable_filter
/sbin/modprobe ip_nat_ftp
/sbin/modprobe ipt_REJECT

echo 1 > /proc/sys/net/ipv4/ip_forward
echo "1024 65535" > /proc/sys/net/ipv4/ip_local_port_range
echo 1 > /proc/sys/net/ipv4/icmp_echoreply_rate
echo 1 > /proc/sys/net/ipv4/icmp_echo_ignore_all
echo 1 > /proc/sys/net/ipv4/icmp_echo_ignore_broadcasts
echo 1 > /proc/sys/net/ipv4/icmp_ignore_bogus_error_responses
echo 0 > /proc/sys/net/ipv4/tcp_sack
echo 1 > /proc/sys/net/ipv4/tcp_syncookies
echo 30 > /proc/sys/net/ipv4/tcp_fin_timeout
echo 0 > /proc/sys/net/ipv4/tcp_window_scaling
echo 2400 > /proc/sys/net/ipv4/tcp_keepalive_time
echo 2 > /proc/sys/net/ipv4/conf/all/rp_filter
echo 0 > /proc/sys/net/ipv4/conf/all/accept_source_route
echo 0 > /proc/sys/net/ipv4/tcp_timestamps
echo 1 > /proc/sys/net/ipv4/conf/all/log_martians
echo 0 > /proc/sys/net/ipv4/conf/all/accept_redirects

# Apaga Tudo
iptables -F
iptables -t nat -F

iptables -P INPUT DROP
iptables -P OUTPUT ACCEPT
iptables -P FORWARD DROP

# Inicia Regras
iptables -A FORWARD -p icmp --icmp-type echo-request -j DROP
iptables -A FORWARD -p icmp --icmp-type echo-request -m limit --limit 1/s -j
ACCEPT
iptables -A FORWARD -p tcp --syn -m limit --limit 1/s -j ACCEPT
iptables -A FORWARD -p tcp --tcp-flags SYN,ACK,FIN,RST RST -m limit --limit
1/s -j ACCEPT


iptables -t nat -A PREROUTING -i eth0 -j DNAT --to 10.0.0.9
iptables -t nat -A PREROUTING -i eth1 -j DNAT --to 10.0.0.9

iptables -A INPUT -s $Redelocal -i eth0 -j ACCEPT

iptables -A FORWARD -m state --state ESTABLISHED,RELATED -j ACCEPT
iptables -A FORWARD -s $Redelocal -j ACCEPT
iptables -A FORWARD -p tcp --dport 21 -j ACCEPT #Porta de FTP
iptables -A FORWARD -p tcp --dport 25 -j ACCEPT #Porta de SMTP
iptables -A FORWARD -p tcp --dport 80 -j ACCEPT #Porta de http
iptables -A FORWARD -p tcp --dport 110 -j ACCEPT #Porta POP3
iptables -A FORWARD -p tcp --dport 1080 -j ACCEPT #PortaICQ/Messenger
iptables -A FORWARD -p udp --dport 1080 -j ACCEPT
iptables -A FORWARD -p tcp --dport 3128 -j ACCEPT #WWWProxy
iptables -A FORWARD -p udp --dport 3128 -j ACCEPT

iptables -A FORWARD -p tcp --sport 21 -j ACCEPT #Porta de FTP
iptables -A FORWARD -p tcp --sport 25 -j ACCEPT #Porta de SMTP
iptables -A FORWARD -p tcp --sport 80 -j ACCEPT #Porta de http
iptables -A FORWARD -p tcp --sport 110 -j ACCEPT #Porta POP3
iptables -A FORWARD -p tcp --sport 1080 -j ACCEPT #PortaICQ/Messenger
iptables -A FORWARD -p udp --sport 1080 -j ACCEPT
iptables -A FORWARD -p tcp --sport 3128 -j ACCEPT #WWWProxy
iptables -A FORWARD -p udp --sport 3128 -j ACCEPT


iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
iptables -A INPUT -s 127.0.0.1/24 -j ACCEPT
iptables -A INPUT -p tcp --dport 21 -j ACCEPT
iptables -A INPUT -p udp --dport 21 -j ACCEPT
iptables -A INPUT -p tcp --dport 25 -j ACCEPT
iptables -A INPUT -p udp --dport 25 -j ACCEPT
iptables -A INPUT -p tcp --dport 80 -j ACCEPT
iptables -A INPUT -p udp --dport 80 -j ACCEPT
iptables -A INPUT -p tcp --dport 110 -j ACCEPT
iptables -A INPUT -p udp --dport 110 -j ACCEPT
iptables -A INPUT -p tcp --dport 1080 -j ACCEPT
iptables -A INPUT -p udp --dport 1080 -j ACCEPT
iptables -A INPUT -p tcp --dport 3128 -j ACCEPT
iptables -A INPUT -p udp --dport 3128 -j ACCEPT


iptables -A INPUT -i eth0 -p tcp --dport 21 -j LOG --log-prefix "FIREWALL -
ftp: "
iptables -A INPUT -i eth0 -p tcp --dport 25 -j LOG --log-prefix "FIREWALL -
smtp: "
iptables -A INPUT -i eth0 -p udp --dport 53 -j LOG --log-prefix "FIREWALL -
dns: "
iptables -A INPUT -i eth0 -p tcp --dport 80 -j LOG --log-prefix "FIREWALL -
http: "
iptables -A INPUT -i eth0 -p tcp --dport 110 -j LOG --log-prefix "FIREWALL -
pop3: "

Certos de sua habitual acolhida, firmamos gratos
Atenciosamente,
Rog�rio A. Tortosa
Consultor TI
Pr�-Data System�s Softwares & Servi�os Ltda.
Phone / Fax: +55 11 4227-1200
ICQ n�: 170670672
E-mail:[EMAIL PROTECTED]
http://www.prodatasystems.com.br


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