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Iptables Problem please help!
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Iptables Problem please help!
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11th Jul, 2013, 05:24 AM
Post: #1
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Iptables Problem please help!
Hello,
I have a problem. I will make a accesspoint with the xbian. I will connect with the iPad over WLAN to the xbian. This is no problem. I habe make the Settings in the Interface. Have Install hastapd And isc-dhcp-Server And config it. I can connect to the xbian over WLAN with the iPad. But now i will become the Internet Connection on the eht0 to the WLAN devices. But wenn i make : iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE It's Not work. Can any Guy help me . Sorry My english is very very bad... |
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15th Jul, 2013, 02:26 PM
Post: #2
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RE: Iptables Problem please help!
(11th Jul, 2013 05:24 AM)Trax Wrote: But wenn i make : iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE even if you MASQuerade or SNAT the one public IP, still the packets are going through "forward" chain so this one needs to be allowed like: iptables -A forward -i wlan0 -o eth0 -j ACCEPT (don't know if I still remember the syntax right). also, ipv4 forwarding needs to be activated on the xbian via /proc - or sysctl command (sysctl -w net.ipv4.ip_forward=1). check /etc/sysctl.conf … it is disabled by default. so three checks to go: 1) forwarding enabled in kernel 2) forwarding enabled for the specific interfaces and chains in iptables 3) proper MASQ, or SNAT, or DNAT set. Please read rules and do a search before you post! . FAQs . How to post log file? . Looking for answers? Please start here |
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