Am 07.01.2014 um 15:01 schrieb Vipul Agarwal <vipul@xxxxxxxxxxxxxx>:
> On Tue, Jan 7, 2014 at 12:28 PM, Nikolaos Milas <nmilas@xxxxxx> wrote:
>
>> Hello,
>>
>> On CentOS 6.5 x86_64 I have (/etc/sysconfig/iptables):
>>
>> *filter
>> :INPUT ACCEPT [0:0]
>> :FORWARD ACCEPT [0:0]
>> :OUTPUT ACCEPT [0:0]
>> :RH-Firewall-1-INPUT - [0:0]
>> -A INPUT -j RH-Firewall-1-INPUT
>> -A FORWARD -j RH-Firewall-1-INPUT
>> -A RH-Firewall-1-INPUT -i lo -j ACCEPT
>> -A RH-Firewall-1-INPUT -p icmp --icmp-type any -j ACCEPT
>> -A RH-Firewall-1-INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
>> -A RH-Firewall-1-INPUT -m state --state NEW -s 10.10.10.0/24 -m tcp -p
>> tcp --dport 22 -j ACCEPT
>> -A RH-Firewall-1-INPUT -s 10.10.10.0/24 -m state --state NEW -m tcp -p
>> tcp --dport 80 -j ACCEPT
>> -A RH-Firewall-1-INPUT -j REJECT --reject-with icmp-host-prohibited
>> COMMIT
>>
>> Now, I want to forward all http traffic coming in from 10.250.250.0/24,
>> at local port 8080, to 2 particular IP Addresses (port 80). Is it enough
>> to prepend (to the above) the following:
>>
>> *nat
>> :PREROUTING ACCEPT [0:0]
>> :POSTROUTING ACCEPT [0:0]
>> :OUTPUT ACCEPT [0:0]
>> -A PREROUTING -s 10.250.250.0/24 -p tcp --dport 8080 -j DNAT
>> --to-destination xxx.xxx.xxx.xxx:80
>> -A PREROUTING -s 10.250.250.0/24 -p tcp --dport 8080 -j DNAT
>> --to-destination yyy.yyy.yyy.yyy:80
what is the criteria to distinguish the packets for xxx and yyy?
--
LF
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