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#1  2007-03-22 19:56:10

  jackal - Nowy użytkownik

jackal
Nowy użytkownik
Zarejestrowany: 2007-03-22

apache2 - działa LAN, nie działą - net

mam taki problem. apache2 dziala na lanie, nie dziala z netu. byc moze mam jakis blad w iptables, przyznam sie ze nie znam sie na tym zbytnio, korzystalem z generatora w necie. moje regułki wygadaja tak:

Kod:

SYSCTL="/sbin/sysctl -w" 

IPT="/sbin/iptables"
IPTS="/sbin/iptables-save"
IPTR="/sbin/iptables-restore"

# Internet Interface
INET_IFACE="eth0"

# Local Interface Information
LOCAL_IFACE="eth1"
LOCAL_IP="192.168.0.1"
LOCAL_NET="192.168.0.0/24"
LOCAL_BCAST="192.168.0.255"

# Localhost Interface

LO_IFACE="lo"
LO_IP="127.0.0.1"

# Save and Restore arguments handled here
if [ "$1" = "save" ]
then
    echo -n "Saving firewall to /etc/sysconfig/iptables ... "
    $IPTS > /etc/sysconfig/iptables
    echo "done"
    exit 0
elif [ "$1" = "restore" ]
then
    echo -n "Restoring firewall from /etc/sysconfig/iptables ... "
    $IPTR < /etc/sysconfig/iptables
    echo "done"
    exit 0
fi

echo "Loading kernel modules ..."

/sbin/modprobe ip_tables

# the stateful connection tracking module
/sbin/modprobe ip_conntrack


# The ftp nat module is required for non-PASV ftp support
/sbin/modprobe ip_nat_ftp

# the module for full ftp connection tracking
/sbin/modprobe ip_conntrack_ftp

# the module for full irc connection tracking
/sbin/modprobe ip_conntrack_irc

if [ "$SYSCTL" = "" ]
then
    echo "1" > /proc/sys/net/ipv4/ip_forward
else
    $SYSCTL net.ipv4.ip_forward="1"
fi

if [ "$SYSCTL" = "" ]
then
    echo "1" > /proc/sys/net/ipv4/tcp_syncookies
else
    $SYSCTL net.ipv4.tcp_syncookies="1"
fi

if [ "$SYSCTL" = "" ]
then
    echo "1" > /proc/sys/net/ipv4/conf/all/rp_filter
else
    $SYSCTL net.ipv4.conf.all.rp_filter="1"
fi

if [ "$SYSCTL" = "" ]
then
    echo "1" > /proc/sys/net/ipv4/icmp_echo_ignore_broadcasts
else
    $SYSCTL net.ipv4.icmp_echo_ignore_broadcasts="1"
fi

if [ "$SYSCTL" = "" ]
then
    echo "0" > /proc/sys/net/ipv4/conf/all/accept_source_route
else
    $SYSCTL net.ipv4.conf.all.accept_source_route="0"
fi

if [ "$SYSCTL" = "" ]
then
    echo "1" > /proc/sys/net/ipv4/conf/all/secure_redirects
else
    $SYSCTL net.ipv4.conf.all.secure_redirects="1"
fi

# This option logs packets from impossible addresses.
if [ "$SYSCTL" = "" ]
then
    echo "1" > /proc/sys/net/ipv4/conf/all/log_martians
else
    $SYSCTL net.ipv4.conf.all.log_martians="1"
fi

# Reset Default Policies
$IPT -P INPUT ACCEPT
$IPT -P FORWARD ACCEPT
$IPT -P OUTPUT ACCEPT
$IPT -t nat -P PREROUTING ACCEPT
$IPT -t nat -P POSTROUTING ACCEPT
$IPT -t nat -P OUTPUT ACCEPT
$IPT -t mangle -P PREROUTING ACCEPT
$IPT -t mangle -P OUTPUT ACCEPT

# Flush all rules
$IPT -F
$IPT -t nat -F
$IPT -t mangle -F

# Erase all non-default chains
$IPT -X
$IPT -t nat -X
$IPT -t mangle -X

if [ "$1" = "stop" ]
then
    echo "Firewall completely flushed!  Now running with no firewall."
    exit 0
fi

$IPT -P INPUT DROP
$IPT -P OUTPUT DROP
$IPT -P FORWARD DROP

$IPT -N bad_packets

# Create another chain to filter bad tcp packets

$IPT -N bad_tcp_packets

$IPT -N icmp_packets

# Used for UDP packets inbound from the Internet
$IPT -N udp_inbound

$IPT -N udp_outbound

$IPT -N tcp_inbound

# Used to block outbound services from internal network
# Default to allow all
$IPT -N tcp_outbound

$IPT -A bad_packets -p ALL -i $INET_IFACE -s $LOCAL_NET -j LOG 
    --log-prefix "Illegal source: "

$IPT -A bad_packets -p ALL -i $INET_IFACE -s $LOCAL_NET -j DROP

# Drop INVALID packets immediately
$IPT -A bad_packets -p ALL -m state --state INVALID -j LOG 
    --log-prefix "Invalid packet: "

$IPT -A bad_packets -p ALL -m state --state INVALID -j DROP

# Then check the tcp packets for additional problems
$IPT -A bad_packets -p tcp -j bad_tcp_packets

# All good, so return
$IPT -A bad_packets -p ALL -j RETURN

$IPT -A bad_tcp_packets -p tcp -i $LOCAL_IFACE -j RETURN

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

$IPT -A bad_tcp_packets -p tcp --tcp-flags ALL NONE -j LOG 
    --log-prefix "Stealth scan: "
$IPT -A bad_tcp_packets -p tcp --tcp-flags ALL NONE -j DROP

$IPT -A bad_tcp_packets -p tcp --tcp-flags ALL ALL -j LOG 
    --log-prefix "Stealth scan: "
$IPT -A bad_tcp_packets -p tcp --tcp-flags ALL ALL -j DROP

$IPT -A bad_tcp_packets -p tcp --tcp-flags ALL FIN,URG,PSH -j LOG 
    --log-prefix "Stealth scan: "
$IPT -A bad_tcp_packets -p tcp --tcp-flags ALL FIN,URG,PSH -j DROP

$IPT -A bad_tcp_packets -p tcp --tcp-flags ALL SYN,RST,ACK,FIN,URG -j LOG 
    --log-prefix "Stealth scan: "
$IPT -A bad_tcp_packets -p tcp --tcp-flags ALL SYN,RST,ACK,FIN,URG -j DROP

$IPT -A bad_tcp_packets -p tcp --tcp-flags SYN,RST SYN,RST -j LOG 
    --log-prefix "Stealth scan: "
$IPT -A bad_tcp_packets -p tcp --tcp-flags SYN,RST SYN,RST -j DROP

$IPT -A bad_tcp_packets -p tcp --tcp-flags SYN,FIN SYN,FIN -j LOG 
    --log-prefix "Stealth scan: "
$IPT -A bad_tcp_packets -p tcp --tcp-flags SYN,FIN SYN,FIN -j DROP

# All good, so return
$IPT -A bad_tcp_packets -p tcp -j RETURN

$IPT -A icmp_packets --fragment -p ICMP -j LOG 
    --log-prefix "ICMP Fragment: "
$IPT -A icmp_packets --fragment -p ICMP -j DROP

$IPT -A icmp_packets -p ICMP -s 0/0 --icmp-type 8 -j DROP

# Time Exceeded
$IPT -A icmp_packets -p ICMP -s 0/0 --icmp-type 11 -j ACCEPT

# Not matched, so return so it will be logged
$IPT -A icmp_packets -p ICMP -j RETURN

$IPT -A udp_inbound -p UDP -s 0/0 --destination-port 137 -j DROP
$IPT -A udp_inbound -p UDP -s 0/0 --destination-port 138 -j DROP

$IPT -A udp_inbound -p UDP -s 0/0 --destination-port 113 -j REJECT

$IPT -A udp_inbound -p UDP -s 0/0 --source-port 67 --destination-port 68 
     -j ACCEPT


# Not matched, so return for logging
$IPT -A udp_inbound -p UDP -j RETURN

# No match, so ACCEPT
$IPT -A udp_outbound -p UDP -s 0/0 -j ACCEPT

$IPT -A tcp_inbound -p TCP -s 0/0 --destination-port 113 -j REJECT

# Web Server

# HTTP
$IPT -A tcp_inbound -p TCP -s 0/0 --destination-port 80 -j ACCEPT

# HTTPS (Secure Web Server)
$IPT -A tcp_inbound -p TCP -s 0/0 --destination-port 443 -j ACCEPT

# FTP Server (Control)
$IPT -A tcp_inbound -p TCP -s 0/0 --destination-port 21 -j ACCEPT

# FTP Client (Data Port for non-PASV transfers)
$IPT -A tcp_inbound -p TCP -s 0/0 --source-port 20 -j ACCEPT

# Email Server (SMTP)
$IPT -A tcp_inbound -p TCP -s 0/0 --destination-port 25 -j ACCEPT

# Email Server (POP3)
$IPT -A tcp_inbound -p TCP -s 0/0 --destination-port 110 -j ACCEPT

# Email Server (IMAP4)
$IPT -A tcp_inbound -p TCP -s 0/0 --destination-port 143 -j ACCEPT

# SSL Email Server (POP3)
$IPT -A tcp_inbound -p TCP -s 0/0 --destination-port 995 -j ACCEPT

# SSL Email Server (IMAP4)
$IPT -A tcp_inbound -p TCP -s 0/0 --destination-port 993 -j ACCEPT

# sshd
$IPT -A tcp_inbound -p TCP -s 0/0 --destination-port 22 -j ACCEPT


# Not matched, so return so it will be logged
$IPT -A tcp_inbound -p TCP -j RETURN

# No match, so ACCEPT
$IPT -A tcp_outbound -p TCP -s 0/0 -j ACCEPT

# Allow all on localhost interface
$IPT -A INPUT -p ALL -i $LO_IFACE -j ACCEPT

# Drop bad packets
$IPT -A INPUT -p ALL -j bad_packets

$IPT -A INPUT -p ALL -d 224.0.0.1 -j DROP
# The rule to accept the packets.
# $IPT -A INPUT -p ALL -d 224.0.0.1 -j ACCEPT

# Rules for the private network (accessing gateway system itself)
$IPT -A INPUT -p ALL -i $LOCAL_IFACE -s $LOCAL_NET -j ACCEPT
$IPT -A INPUT -p ALL -i $LOCAL_IFACE -d $LOCAL_BCAST -j ACCEPT

# Allow DHCP client request packets inbound from internal network
$IPT -A INPUT -p UDP -i $LOCAL_IFACE --source-port 68 --destination-port 67 
     -j ACCEPT


# Inbound Internet Packet Rules

# Accept Established Connections
$IPT -A INPUT -p ALL -i $INET_IFACE -m state --state ESTABLISHED,RELATED 
     -j ACCEPT

# Route the rest to the appropriate user chain
$IPT -A INPUT -p TCP -i $INET_IFACE -j tcp_inbound
$IPT -A INPUT -p UDP -i $INET_IFACE -j udp_inbound
$IPT -A INPUT -p ICMP -i $INET_IFACE -j icmp_packets

$IPT -A INPUT -m pkttype --pkt-type broadcast -j DROP

# Log packets that still don't match
$IPT -A INPUT -m limit --limit 3/minute --limit-burst 3 -j LOG 
    --log-prefix "INPUT packet died: "

# Drop bad packets
$IPT -A FORWARD -p ALL -j bad_packets

# Accept TCP packets we want to forward from internal sources
$IPT -A FORWARD -p tcp -i $LOCAL_IFACE -j tcp_outbound

# Accept UDP packets we want to forward from internal sources
$IPT -A FORWARD -p udp -i $LOCAL_IFACE -j udp_outbound

# If not blocked, accept any other packets from the internal interface
$IPT -A FORWARD -p ALL -i $LOCAL_IFACE -j ACCEPT

# Deal with responses from the internet
$IPT -A FORWARD -i $INET_IFACE -m state --state ESTABLISHED,RELATED 
     -j ACCEPT

# Log packets that still don't match
$IPT -A FORWARD -m limit --limit 3/minute --limit-burst 3 -j LOG 
    --log-prefix "FORWARD packet died: "

$IPT -A OUTPUT -m state -p icmp --state INVALID -j DROP

# Localhost
$IPT -A OUTPUT -p ALL -s $LO_IP -j ACCEPT
$IPT -A OUTPUT -p ALL -o $LO_IFACE -j ACCEPT

# To internal network
$IPT -A OUTPUT -p ALL -s $LOCAL_IP -j ACCEPT
$IPT -A OUTPUT -p ALL -o $LOCAL_IFACE -j ACCEPT

# To internet
$IPT -A OUTPUT -p ALL -o $INET_IFACE -j ACCEPT

# Log packets that still don't match
$IPT -A OUTPUT -m limit --limit 3/minute --limit-burst 3 -j LOG 
    --log-prefix "OUTPUT packet died: "

$IPT -t nat -A PREROUTING -p tcp --destination-port 80 
     -j REDIRECT --to-ports 8080

$IPT -t nat -A POSTROUTING -o $INET_IFACE -j MASQUERADE

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#2  2007-03-22 20:16:45

  szewczyk - Stary wyjadacz :P

szewczyk
Stary wyjadacz :P
Zarejestrowany: 2006-12-03

Re: apache2 - działa LAN, nie działą - net

niebede wnikał w twój firewall ,dopisz do niego

Kod:

iptables -A INPUT -p tcp --dport 80 -j ACCEPT

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#3  2007-03-22 20:28:12

  jackal - Nowy użytkownik

jackal
Nowy użytkownik
Zarejestrowany: 2007-03-22

Re: apache2 - działa LAN, nie działą - net

dalej nic.

dodam tylko ze po wylaczeniu firewalla wszystko dziala ok, ale niestety jest mi on potrzebny bo to moj serwer udostepniajacy net na lokala.

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#4  2007-03-23 13:23:45

  Libo - Użytkownik

Libo
Użytkownik
Skąd: Żory
Zarejestrowany: 2004-10-25

Re: apache2 - działa LAN, nie działą - net

czy masz serwer proxy postawiony ?? z tego firewalla wynika ze tak, moze poprostu problem lezy w zlej jego konfiguracji ?? zmien linijke

Kod:

$IPT -t nat -A PREROUTING -p tcp --destination-port 80 -j REDIRECT --to-ports 8080

na

Kod:

$IPT -t nat -A PREROUTING -i $LOCAL_IFACE -p tcp --destination-port 80 -j REDIRECT --to-ports 8080

lub poprostu ja "wyhashuj" a jezeli chesz dopisac linijke

Kod:

iptables -A INPUT -p tcp --dport 80 -j ACCEPT

to zrob to albo na poczatku albo zmien ja na

Kod:

iptables -I INPUT -p tcp --dport 80 -j ACCEPT
Nie ma nie idzie... jest nie umiem.

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#5  2007-03-23 16:24:03

  jackal - Nowy użytkownik

jackal
Nowy użytkownik
Zarejestrowany: 2007-03-22

Re: apache2 - działa LAN, nie działą - net

czy masz serwer proxy postawiony ?? z tego firewalla wynika ze tak, moze poprostu problem lezy w zlej jego konfiguracji ?? zmien linijke

Kod:

$IPT -t nat -A PREROUTING -p tcp --destination-port 80 -j REDIRECT --to-ports 8080

na

Kod:

$IPT -t nat -A PREROUTING -i $LOCAL_IFACE -p tcp --destination-port 80 -j REDIRECT --to-ports 8080

lub poprostu ja "wyhashuj" a jezeli chesz dopisac linijke

Kod:

iptables -A INPUT -p tcp --dport 80 -j ACCEPT

to zrob to albo na poczatku albo zmien ja na

Kod:

iptables -I INPUT -p tcp --dport 80 -j ACCEPT

[/quote]

tak mam proxy ktore powinno działac na LANie

najpierw probowalem zamienic ta linie tak jak podałes ale to nic nie dało. potem zahaszowalem linie i wpisalem

Kod:

iptables -I INPUT -p tcp --dport 80 -j ACCEPT

co spowodowalo ze ruszylo. moglbys pokrotce powiedziec co bylo nie tak. z gory dzieki za pomoc.

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