From: "Половников Денис" <fox@transbank.ru>
To: Dmitry Lebkov <community@altlinux.ru>
Subject: Re[4]: [Comm] IPtables
Date: Thu, 27 Feb 2003 12:36:20 +0300
Message-ID: <85161533406.20030227123620@transbank.ru> (raw)
In-Reply-To: <20030227183551.5c41d454.dima@sakhalin.ru>
Здравствуйте, Dmitry.
Вы писали 27 февраля 2003 г., 11:35:51:
Ман то tcpdump я читал и делал все понему тишина видимо конекта нет...
DL> А FORWARD-правила где? А роутинг на этой машине включен?
DL> Покажи результат:
DL> # cat cat /proc/sys/net/ipv4/ip_forward
Вывод следующий 1
в этом фаиле стоит только 1
DL> # service iptables save
DL> # cat /etc/sysconfig/iptables
# Generated by iptables-save v1.2.1a on Fri Jun 15 14:40:51 2001
*nat
:PREROUTING ACCEPT [23:2866]
:POSTROUTING ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
[0:0] -A POSTROUTING -s 10.0.0.0/8 -o eth0 -j MASQUERADE
[0:0] -A POSTROUTING -s 217.69.198.0/255.255.255.224 -o eth0 -j MASQUERADE
[0:0] -A PREROUTING -p udp -m udp -d 217.69.198.58 --dport 5122 -j DNAT --to-destination 10.0.1.124
[0:0] -A OUTPUT -d 217.69.198.58 -p udp -m udp --dport 5122 -j DNAT --to-destination 10.0.1.124
COMMIT
# Completed on Fri Jun 15 14:40:51 2001
# Generated by iptables-save v1.2.1a on Fri Jun 15 14:40:51 2001
*filter
:INPUT ACCEPT [15:1688]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
# make a chain for deny and log packets
:droplog - [0:0]
-A droplog -j LOG
-A droplog -j DROP
# accept trusted interfaces
[0:0] -A INPUT -i lo -j ACCEPT
[0:0] -A OUTPUT -o lo -j ACCEPT
[4:463] -A INPUT -i eth1 -j ACCEPT
[0:0] -A OUTPUT -o eth1 -j ACCEPT
# allow ICMP
[0:0] -A INPUT -p icmp -j ACCEPT
[0:0] -A OUTPUT -p icmp -j ACCEPT
# allow incoming SSH
[0:0] -A INPUT -i eth0 -p tcp -m tcp --syn --dport 22 -j ACCEPT
# allow incoming FIDO
[0:0] -A INPUT -i eth0 -p tcp -m tcp --syn -d 217.69.198.30 --dport fido -j ACCEPT
# allow incoming NETINV
[0:0] -A INPUT -i eth0 -p tcp -m tcp --syn -d 217.69.198.58 --dport netinv -j ACCEPT
# allow incoming symqs
[0:0] -A INPUT -i eth0 -p tcp -m tcp --syn -d 217.69.198.58 --dport symqs -j ACCEPT
# allow incoming binkp
[0:0] -A INPUT -i eth0 -p tcp -m tcp --syn -d 217.69.198.30 --dport binkp -j ACCEPT
# allow incoming SMTP
#[0:0] -A INPUT -i eth0 -p tcp -m tcp --syn --dport smtp -j ACCEPT
# allow incoming WWW
#[0:0] -A INPUT -i eth0 -p tcp -m tcp --syn --dport www -j ACCEPT
# allow incoming ftp
[0:0] -A INPUT -i eth0 -p tcp -m tcp --syn --dport ftp -j ACCEPT
# allow incoming ftp transfers in active mode
[0:0] -A INPUT -i eth0 -p tcp -m tcp --syn --sport ftp-data -j ACCEPT
# allow squid
#[0:0] -A INPUT -i eth0 -p tcp -m tcp --syn --dport squid -j ACCEPT
# allow zone transfers
#[0:0] -A INPUT -i eth0 -p tcp -m tcp --syn --dport domain -j ACCEPT
# allow outgoing TCP
-A OUTPUT -o eth0 -p tcp -m tcp --syn -j ACCEPT
# allow established and related connections
-A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
-A OUTPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
# allow outgoing DNS
-A INPUT -p udp -m udp --sport domain -j ACCEPT -i eth0
-A OUTPUT -p udp -m udp --dport domain -j ACCEPT -o eth0
# allow incoming reuter
-A INPUT -p udp -m udp -d 217.69.198.30 --dport 55777 -j ACCEPT
-A OUTPUT -p udp -m udp -d 217.69.198.30 --dport 55777 -j ACCEPT
-A INPUT -p udp -m udp -d 217.69.198.58 --dport 5122 -j ACCEPT
-A OUTPUT -p udp -m udp -d 217.69.198.58 --dport 5122 -j ACCEPT
-A INPUT -p udp -m udp -d 217.69.198.30 --dport 55778 -j ACCEPT
-A OUTPUT -p udp -m udp -d 217.69.198.30 --dport 55778 -j ACCEPT
# allow incoming DNS
#-A INPUT -p udp -m udp --dport domain -j ACCEPT -i eth0
#-A OUTPUT -p udp -m udp --sport domain -j ACCEPT -o eth0
# deny the rest of my traffic
-A INPUT -i eth0 -j droplog
-A OUTPUT -o eth0 -j droplog
# allow ICMP forwarding
-A FORWARD -p icmp -j ACCEPT
# allow outgoing pop3
-A FORWARD -p tcp -m tcp --syn --dport pop3 -o eth0 -j ACCEPT
-A FORWARD -p tcp -m tcp --syn --dport pop3s -o eth0 -j ACCEPT
# allow outgoing smtp
-A FORWARD -p tcp -m tcp --syn --dport smtp -o eth0 -j ACCEPT
-A FORWARD -p tcp -m tcp --syn --dport smtps -o eth0 -j ACCEPT
# allow outgoing ftp
-A FORWARD -p tcp -m tcp --syn --dport ftp -o eth0 -j ACCEPT
-A FORWARD -p tcp -m tcp --syn --dport ftp-data -o eth0 -j ACCEPT
# allow outgoing ICQ
-A FORWARD -p tcp -m tcp --syn --dport 5190 -o eth0 -j ACCEPT
# allow outgoing 55
-A FORWARD -p tcp -m tcp --syn --dport 55 -o eth0 -j ACCEPT
# allow special services
#-A FORWARD -p tcp -m tcp --syn -d 10.0.1.5 --dport 60179 -j ACCEPT
#-A FORWARD -p tcp -m tcp --syn -s 10.0.1.5 --dport 24554 -j ACCEPT
#-A FORWARD -p tcp -m tcp --syn -d 10.0.1.5 --dport 24554 -j ACCEPT
-A FORWARD -p tcp -m tcp --syn -s 10.0.1.4 --dport 22 -j ACCEPT
-A FORWARD -p tcp -m tcp --syn -s 10.0.1.6 --dport 7001 -j ACCEPT
-A FORWARD -p tcp -m tcp --syn -s 10.0.1.6 --dport 2900 -j ACCEPT
-A FORWARD -p tcp -m tcp --syn -s 10.0.1.7 --dport 7001 -j ACCEPT
-A FORWARD -p tcp -m tcp --syn -s 10.0.1.7 --dport 7777 -j ACCEPT
-A FORWARD -p tcp -m tcp --syn -s 10.0.1.7 --dport 7090:7110 -j ACCEPT
-A FORWARD -p tcp -m tcp --syn -s 10.0.1.7 --dport 2900 -j ACCEPT
-A FORWARD -p udp -m udp -s 10.0.1.7 --dport 55777 -j ACCEPT
-A FORWARD -p udp -m udp -s 10.0.1.8 --dport 55777 -j ACCEPT
-A FORWARD -p tcp -m tcp --syn -s 10.0.1.8 --dport 7001 -j ACCEPT
-A FORWARD -p tcp -m tcp --syn -s 10.0.1.9 --dport 12801 -j ACCEPT
-A FORWARD -p tcp -m tcp --syn -s 10.0.1.115 --dport 4661 -j ACCEPT
-A FORWARD -p tcp -m tcp --syn -s 10.0.1.115 --dport 4662 -j ACCEPT
-A FORWARD -p tcp -m tcp --syn -s 10.0.1.124 --dport 4661 -j ACCEPT
-A FORWARD -p tcp -m tcp --syn -s 10.0.1.124 --dport 4662 -j ACCEPT
-A FORWARD -p udp -m udp -s 10.0.1.115 --dport 27530 -j ACCEPT
-A FORWARD -p udp -m udp -s 10.0.1.115 --dport 4665 -j ACCEPT
-A FORWARD -p tcp -m tcp --syn -s 10.0.1.115 --dport 22 -j ACCEPT
-A FORWARD -p tcp -m tcp --syn -s 10.0.1.10 --dport 22 -j ACCEPT
-A FORWARD -p tcp -m tcp --syn -s 10.0.1.115 --dport 3306 -j ACCEPT
-A FORWARD -p udp -m udp -s 10.0.1.115 --dport 27005 -j ACCEPT
-A FORWARD -p udp -m udp -s 10.0.1.115 --dport 27010 -j ACCEPT
-A FORWARD -p udp -m udp -s 10.0.1.115 --dport 27011 -j ACCEPT
-A FORWARD -p udp -m udp -s 10.0.1.115 --dport 27012 -j ACCEPT
-A FORWARD -p udp -m udp -s 10.0.1.115 --dport 27015 -j ACCEPT
-A FORWARD -p udp -m udp -s 10.0.1.115 --dport 27025 -j ACCEPT
-A FORWARD -p udp -m udp -s 10.0.1.115 --dport 27017 -j ACCEPT
-A FORWARD -p udp -m udp -s 10.0.1.115 --dport 5122 -j ACCEPT
-A FORWARD -p udp -m udp -s 10.0.1.124 --dport 5122 -j ACCEPT
-A FORWARD -p udp -m udp -s 10.0.1.124 --dport 1716 -j ACCEPT
-A FORWARD -p udp -m udp -s 10.0.1.124 --dport 1717 -j ACCEPT
-A FORWARD -p udp -m udp -s 10.0.1.124 --dport 1718 -j ACCEPT
-A FORWARD -p udp -m udp -s 10.0.1.124 --dport 8777 -j ACCEPT
-A FORWARD -p udp -m udp -s 10.0.1.124 --dport 27900 -j ACCEPT
-A FORWARD -p udp -m udp -s 10.0.1.161 --dport 5122 -j ACCEPT
-A FORWARD -p udp -m udp -s 10.0.1.161 --dport 21000 -j ACCEPT
-A FORWARD -p udp -m udp -s 10.0.1.161 --dport 21001 -j ACCEPT
-A FORWARD -p udp -m udp -s 10.0.1.161 --dport 21002 -j ACCEPT
-A FORWARD -p udp -m udp -s 10.0.1.161 --dport 21003 -j ACCEPT
-A FORWARD -p tcp -m tcp --syn -s 10.0.1.124 --dport 7002 -j ACCEPT
-A FORWARD -p tcp -m tcp --syn -s 10.0.1.124 --dport 6003 -j ACCEPT
-A FORWARD -p tcp -m tcp --syn -s 10.0.1.124 --dport 20045 -j ACCEPT
-A FORWARD -p tcp -m tcp --syn -s 10.0.1.124 --dport 28900 -j ACCEPT
-A FORWARD -p tcp -m tcp --syn -s 10.0.1.115 --dport 7002 -j ACCEPT
-A FORWARD -p tcp -m tcp --syn -s 10.0.1.115 --dport 6003 -j ACCEPT
-A FORWARD -p tcp -m tcp --syn -s 10.0.1.124 --dport 6667 -j ACCEPT
-A FORWARD -p tcp -m tcp --syn -s 10.0.1.124 --dport 6666 -j ACCEPT
-A FORWARD -p tcp -m tcp --syn -s 10.0.1.161 --dport 6667 -j ACCEPT
-A FORWARD -p tcp -m tcp --syn -s 10.0.1.161 --dport 6666 -j ACCEPT
-A FORWARD -p udp -m udp -s 10.0.1.10 --dport 21000 -j ACCEPT
-A FORWARD -p udp -m udp -s 10.0.1.10 --dport 21001 -j ACCEPT
-A FORWARD -p udp -m udp -s 10.0.1.10 --dport 21002 -j ACCEPT
-A FORWARD -p udp -m udp -s 10.0.1.10 --dport 21003 -j ACCEPT
-A FORWARD -p tcp -m tcp --syn -s 10.0.1.10 --dport 80 -j ACCEPT
-A FORWARD -p tcp -m tcp --syn -s 10.0.1.10 --dport 443 -j ACCEPT
-A FORWARD -p tcp -m tcp --syn -s 10.0.1.10 --dport 2847 -j ACCEPT
-A FORWARD -p tcp -m tcp --syn -s 10.0.1.10 --dport 2848 -j ACCEPT
-A FORWARD -p tcp -m tcp --syn -s 10.0.1.10 --dport 7002 -j ACCEPT
-A FORWARD -p tcp -m tcp --syn -s 10.0.1.10 --dport 6003 -j ACCEPT
-A FORWARD -p udp -m udp -s 10.0.1.10 --dport 5122 -j ACCEPT
-A FORWARD -p udp -m udp -s 10.0.1.10 --dport 27005 -j ACCEPT
-A FORWARD -p udp -m udp -s 10.0.1.10 --dport 27010 -j ACCEPT
-A FORWARD -p udp -m udp -s 10.0.1.10 --dport 27011 -j ACCEPT
-A FORWARD -p udp -m udp -s 10.0.1.10 --dport 27012 -j ACCEPT
-A FORWARD -p udp -m udp -s 10.0.1.10 --dport 27015 -j ACCEPT
-A FORWARD -p udp -m udp -s 10.0.1.10 --dport 27025 -j ACCEPT
-A FORWARD -p udp -m udp -s 10.0.1.10 --dport 27017 -j ACCEPT
# allow outgoing DNS
-A FORWARD -p udp -m udp --sport domain -j ACCEPT -i eth0
-A FORWARD -p udp -m udp --dport domain -j ACCEPT -o eth0
# allow established connections
-A FORWARD -m state --state ESTABLISHED,RELATED -j ACCEPT
# deny the rest
-A FORWARD -j droplog
COMMIT
# Completed on Fri Jun 15 14:40:51 2001
С уважением,
Половников Денис
next prev parent reply other threads:[~2003-02-27 9:36 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-02-26 12:31 Половников Денис
2003-02-26 12:46 ` Alexey I. Froloff
2003-02-27 6:12 ` Re[2]: " Половников Денис
2003-02-27 6:55 ` Alexey I. Froloff
2003-02-27 8:10 ` Re[2]: " Половников Денис
2003-02-27 8:24 ` Maxim.Savrilov
2003-02-27 9:02 ` Vitaly Ostanin
2003-02-27 9:04 ` Dmitry Lebkov
2003-02-27 10:50 ` Re[2]: [Comm] [JT] IPtables Maxim.Savrilov
2003-02-27 8:35 ` Re[2]: [Comm] IPtables Dmitry Lebkov
2003-02-27 9:36 ` Половников Денис [this message]
2003-02-27 10:05 ` Re[4]: " Dmitry Lebkov
2003-02-27 11:34 ` Re[6]: " Половников Денис
2003-02-27 12:17 ` Dmitry Lebkov
2003-02-28 6:17 ` Re[8]: " Половников Денис
2003-02-28 12:53 ` Dmitry Lebkov
2003-02-28 13:31 ` Владимир
2003-02-27 10:25 ` Alexey I. Froloff
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