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Date: Wed, 29 Sep 2004 13:28:37 +0300
From: Slava Dubrovskiy <slava@elan.com.ua>
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Subject: [Comm] Iptables =?koi8-r?b?ySBodHRwcw==?=
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Здравствуйте!

Вот настроил iptables на сервере по Iptables Tutorial. Но никак немогу 
настроить протокол https. Не пускает пользователей. Добавляю вот такую 
строчку.
 $IPTABLES -A FORWARD -p tcp --dport 443 -i $LAN_IFACE -j ACCEPT
Броузер в командной строке пишет соединено с ...... и ничего не 
показывает. Что еще ему надо?

#!/bin/sh
LAN_IFACE="eth0"
LAN_IP="192.168.1.1"
LAN_IP_RANGE="192.168.1.0/24"
LAN_BROADCAST_ADDRESS="192.168.1.255/24"
INET_IFACE="ppp0"
INET_IP="ххх.ххх.ххх.ххх"
INET_IP_RANGE="ххх.ххх.ххх.ххх/24"
INET_BROADCAST_ADDRESS="ххх.ххх.ххх.255/24"
TUNEL_IFACE="eth1"
TUNEL_IP="ууу.ууу.ууу.ууу"
TUNEL_IP2="192.168.10.1"
TUNEL_IP_RANGE="yyy.yyy.yyy.yyy/24"
TUNEL_IP_RANGE2="192.168.10.0/24"
TUNEL_BROADCAST_ADDRESS="yyy.yyy.yyy.255/24"
TUNEL_BROADCAST_ADDRESS2="192.168.10.255/24"
LO_IFACE="lo"
LO_IP="127.0.0.1"
IPTABLES="/sbin/iptables"
$IPTABLES -F
$IPTABLES -F -t nat

# Remove any existing user-defined chains.
$IPTABLES -X
$IPTABLES -P INPUT DROP
$IPTABLES -P OUTPUT DROP
$IPTABLES -P FORWARD DROP

$IPTABLES -N bad_tcp_packets
$IPTABLES -N allowed
$IPTABLES -N tcp_packets
$IPTABLES -N udp_packets
$IPTABLES -N icmp_packets

$IPTABLES -A bad_tcp_packets -p tcp ! --syn -m state --state NEW -j LOG \
 --log-prefix "New not syn:"
$IPTABLES -A bad_tcp_packets -p tcp ! --syn -m state --state NEW -j DROP

$IPTABLES -A allowed -p TCP --syn -j ACCEPT
$IPTABLES -A allowed -p TCP -m state --state ESTABLISHED,RELATED -j ACCEPT
$IPTABLES -A allowed -p TCP -j DROP

$IPTABLES -A tcp_packets -p TCP -s 0/0 --dport 20 -j allowed
$IPTABLES -A tcp_packets -p TCP -s 0/0 --dport 21 -j allowed
$IPTABLES -A tcp_packets -p TCP -s 0/0 --dport 22 -j allowed
$IPTABLES -A tcp_packets -p TCP -s 0/0 --dport 25 -j allowed

$IPTABLES -A udp_packets -p UDP -s 0/0 --source-port 53 -j ACCEPT
$IPTABLES -A udp_packets -p UDP -s 0/0 --source-port 123 -j ACCEPT
$IPTABLES -A udp_packets -p UDP -i $INET_IFACE --destination-port 
135:139 -j DROP
$IPTABLES -A udp_packets -p UDP -i $INET_IFACE -d 255.255.255.255 
--destination-port 67:68 -j DROP

$IPTABLES -A icmp_packets -p ICMP -s 0/0 --icmp-type 8 -j ACCEPT
$IPTABLES -A icmp_packets -p ICMP -s 0/0 --icmp-type 11 -j ACCEPT

$IPTABLES -A INPUT -p tcp -j bad_tcp_packets
$IPTABLES -A INPUT -p ALL -i $LAN_IFACE -s $LAN_IP_RANGE -j ACCEPT
$IPTABLES -A INPUT -p ALL -i $LO_IFACE -j ACCEPT
$IPTABLES -A INPUT -p ALL -i $LAN_IFACE -d $LAN_BROADCAST_ADDRESS -j ACCEPT

# pptp
$IPTABLES -A INPUT -p 47  -i $TUNEL_IFACE -j ACCEPT
$IPTABLES -A INPUT -p tcp -i $TUNEL_IFACE --sport 1723 -j ACCEPT

$IPTABLES -A INPUT -p ALL -i $INET_IFACE -m state --state 
ESTABLISHED,RELATED -j ACCEPT
$IPTABLES -A INPUT -p TCP -i $INET_IFACE -j tcp_packets
$IPTABLES -A INPUT -p UDP -i $INET_IFACE -j udp_packets
$IPTABLES -A INPUT -p ICMP -i $INET_IFACE -j icmp_packets
$IPTABLES -A INPUT -m limit --limit 3/minute --limit-burst 3 -j LOG \
 --log-level DEBUG --log-prefix "IPT INPUT packet died: "

 $IPTABLES -A FORWARD -p tcp -j bad_tcp_packets
 $IPTABLES -A FORWARD -m state --state ESTABLISHED,RELATED -j ACCEPT
 $IPTABLES -A FORWARD -m limit --limit 3/minute --limit-burst 3 -j LOG \
 --log-level DEBUG --log-prefix "IPT FORWARD packet died: "

 $IPTABLES -A OUTPUT -p tcp -j bad_tcp_packets
 $IPTABLES -A OUTPUT -p ALL -s $LO_IP -j ACCEPT
 $IPTABLES -A OUTPUT -p ALL -s $LAN_IP -j ACCEPT
 $IPTABLES -A OUTPUT -p ALL -o $INET_IFACE -j ACCEPT

# pptp
 $IPTABLES -A OUTPUT -p tcp -o $TUNEL_IFACE --dport 1723 -j ACCEPT
 $IPTABLES -A OUTPUT -p 47 -o $TUNEL_IFACE -j ACCEPT

 $IPTABLES -A OUTPUT -m limit --limit 3/minute --limit-burst 3 -j LOG \
 --log-level DEBUG --log-prefix "IPT OUTPUT packet died: "

 $IPTABLES -t nat -A POSTROUTING -o $INET_IFACE -j SNAT --to-source $INET_IP

 $IPTABLES -t nat -A PREROUTING -s $LAN_IP_RANGE -d ! $LAN_IP -p tcp 
--dport 80 -j REDIRECT --to-port 3128
$IPTABLES -t nat -A PREROUTING -s $LAN_IP_RANGE -p tcp --dport 8080 -j 
REDIRECT --to-port 3128
 $IPTABLES -t nat -A PREROUTING -s $LAN_IP_RANGE -p tcp --dport 8081 -j 
REDIRECT --to-port 3128
 $IPTABLES -t nat -A PREROUTING -s $LAN_IP_RANGE -p tcp --dport 1080 -j 
REDIRECT --to-port 3128
 $IPTABLES -t nat -A PREROUTING -s $LAN_IP_RANGE -p tcp --dport 3128 -j 
REDIRECT --to-port 3128

С уважением,
Дубровский Вячеслав.