Вроде все нормально пользователи натятся в интернет ходят, пинги в локалку с сервера идут. А интернет на самом сервере не работает,пинги в инет не идут, сквид неработает...
Что может быть не так? Файл фаервола ниже. Очень прошу помочь...
#!/bin/sh
           iptables --flush
           iptables -t nat --flush
           clear
           ######################################################################
           #####
           #
           # 1. Configuration options.
           #
           #
           # 1.1 Internet Configuration.
           #
           INET_IFACE="ppp0"
           #
           # 1.2 Local Area Network configuration.
           #
           #
           LAN_IP="192.168.0.1"
           LAN_IP_RANGE="192.168.0.0/24"
           LAN_IFACE="eth1"
           #
           # 1.3 VPN Configuration.
           #
           VPN_IP="192.168.1.1"
           VPN_IP_RANGE="192.168.1.0/24"
           VPN_IFACE="ppp+"
           #
           # 1.4 Localhost Configuration.
           #
           LO_IFACE="lo"
           LO_IP="127.0.0.1"
           #
           # 1.5 IPTables Configuration.
           #
           IPTABLES="iptables"
           ######################################################################
           #####
           #
           # 2. Module loading.
           #
           /sbin/depmod -a
           #
           # 2.1 Required modules
           #
           /sbin/modprobe ip_tables
           /sbin/modprobe ip_conntrack
           /sbin/modprobe iptable_filter
           /sbin/modprobe iptable_mangle
           /sbin/modprobe iptable_nat
           /sbin/modprobe ipt_LOG
           /sbin/modprobe ipt_limit
           /sbin/modprobe ipt_state
      
           #
           # 2.2 Non-Required modules
           #
           #/sbin/modprobe ipt_owner
           #/sbin/modprobe ipt_REJECT
           /sbin/modprobe ipt_MASQUERADE
           /sbin/modprobe ip_conntrack_ftp
           /sbin/modprobe ip_conntrack_irc
           /sbin/modprobe ip_nat_ftp
           /sbin/modprobe ip_nat_irc
           ######################################################################
           #####
           #
           # 3. /proc set up.
           #
           #
           # 3.1 Required proc configuration
           #
           echo "1" > /proc/sys/net/ipv4/ip_forward
           #
           # 3.2 Non-Required proc configuration
           #
           #echo "1" > /proc/sys/net/ipv4/conf/all/rp_filter
           #echo "1" > /proc/sys/net/ipv4/conf/all/proxy_arp
           #echo "1" > /proc/sys/net/ipv4/ip_dynaddr
           ######################################################################
           #####
          
           # 4. rules set up.
           #
           ######
           # 4.1 Filter table
           #
           #
           # 4.1.1 Set policies
           #
           $IPTABLES -P INPUT DROP
           $IPTABLES -P OUTPUT DROP
           $IPTABLES -P FORWARD DROP
           #
           # 4.1.2 Create userspecified chains
           #
           $IPTABLES -N bad_tcp_packets
           #
           # Create separate chains for ICMP, TCP and UDP to traverse
           #
           $IPTABLES -N allowed
           $IPTABLES -N tcp_packets
           $IPTABLES -N udp_packets
           $IPTABLES -N icmp_packets
           #
           # 4.1.3 Create content in userspecified chains
           #
           $IPTABLES -A bad_tcp_packets -p tcp --tcp-flags SYN,ACK SYN,ACK -m \
                state --state NEW -j REJECT --reject-with tcp-reset
           $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
           #
           # allowed chain
           #
           $IPTABLES -A allowed -p TCP --syn -j ACCEPT
           $IPTABLES -A allowed -p TCP -m state --state ESTABLISHED,RELATED -j ACCEPT
           $IPTABLES -A allowed -p TCP -j DROP
           #
           # TCP rules
           #
           #$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
           #$IPTABLES -A tcp_packets -p TCP -s 0/0 --dport 80 -j allowed
           #
           # UDP ports
           #
           #$IPTABLES -A udp_packets -p UDP -s 0/0 --destination-port 53 -j ACCEPT
           #
           # ICMP rules
           #
           $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
           #
           # 4.1.4 INPUT chain
           #
           $IPTABLES -A INPUT -p tcp -j bad_tcp_packets
           #
           # Rules for special networks not part of the Internet
           #
           $IPTABLES -A INPUT -p ALL -i $LAN_IFACE -s $LAN_IP_RANGE -j ACCEPT
          # $IPTABLES -A INPUT -p ALL -i $LO_IFACE -s $LO_IP -j ACCEPT
          # $IPTABLES -A INPUT -p ALL -i $LO_IFACE -s $LAN_IP -j ACCEPT
          #$IPTABLES -A INPUT -p ALL -i $VPN_IFACE -s $VPN_IP_RANGE -j ACCEPT
          # $IPTABLES -A INPUT -p ALL -i $LO_IFACE -s $VPN_IP -j ACCEPT
           $IPTABLES -A INPUT -p ALL -i $LO_IFACE -j ACCEPT
       #
           # Special rule for DHCP requests from LAN, which are not caught  properly
           # otherwise.
           #
           $IPTABLES -A INPUT -p UDP -i $LAN_IFACE --dport 67 --sport 68 -j ACCEPT
           #
           # Rules for incoming packets from the internet.
           #
           $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
      
       #
           #SQUID
           #
           $IPTABLES -A INPUT -s 192.168.0.0/24 -p tcp --dport 3128 -j DROP
           $IPTABLES -A INPUT -p tcp --dport 3128 -s 192.168.1.0/24 -j ACCEPT
           #
           # Log weird packets that don't match the above.
           #
           $IPTABLES -A INPUT -m limit --limit 3/minute --limit-burst 3 -j LOG \
               --log-level DEBUG --log-prefix "IPT INPUT packet died: "
           #
           # 4.1.5 FORWARD chain
           #
           $IPTABLES -A FORWARD -p tcp -j bad_tcp_packets
           #
           # Accept the packets we actually want to forward
           #
           $IPTABLES -A FORWARD -m state --state ESTABLISHED,RELATED -j ACCEPT
           #
           # Log weird packets that don't match the above.
           #
           $IPTABLES -A FORWARD -m limit --limit 3/minute --limit-burst 3 -j LOG \
                --log-level DEBUG --log-prefix "IPT FORWARD packet died: "
           #
           # 4.1.6 OUTPUT chain
           #
           $IPTABLES -A OUTPUT -p tcp -j bad_tcp_packets
           #
           # Special OUTPUT rules to decide which IP's to allow.
           #
           $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 -s $INET_IP -j ACCEPT
           $IPTABLES -A OUTPUT -p ALL -s $VPN_IP -j ACCEPT
         $IPTABLES -A OUTPUT -p ALL -o $INET_IFACE ACCEPT
         #
           # Log weird packets that don't match the above.
           #
           $IPTABLES -A OUTPUT -m limit --limit 3/minute --limit-burst 3 -j LOG \
                   --log-level DEBUG --log-prefix "IPT OUTPUT packet died: "
           ######
           # 4.2 nat table
           #
           #
           # 4.2.1 POSTROUTING chain
           #
           #
           # Enable simple IP Forwarding and Network Address Translation
           #
      
     #  if [ $PPPOE_PMTU=="yes" ] ; then
     #  $IPTABLES -t nat -A POSTROUTING -p tcp --tcp-flags SYN,RST SYN \
     #  -j TCPMSS --clamp-mss-to-pmtu
     #  fi
            $IPTABLES -t nat -A POSTROUTING -o $INET_IFACE -j MASQUERADE

    #   $IPTABLES -t nat -A PREROUTING -s 192.168.1.0/24 -p tcp -m tcp --dport 80 -j REDIRECT --to-ports 3128