iptables, chromecast, netflix, tunlr

[odiovidio]

Alright. I've set up Tunlr according to the wiki for use with Netflix. All of my devices are now able to get US Netflix with one exception: Chromecast.

I found this suggestion on the XDA forums for a possible workaround.

So I tried to copy it for my configuration and used the following:

iptables -t nat -A PREROUTING -d 8.8.8.8 -s 192.168.5.25 -j DNAT --to-destination 192.168.5.1
iptables -t nat -A PREROUTING -d 8.8.4.4 -s 192.168.5.25 -j DNAT --to-destination 192.168.5.1

192.168.5.25 is the chromecast and 192.168.5.1 is my router.

This doesn't seem to work properly. Also, I can't tell if the iptable rules are actually being enforced since doing an

iptables -L -t nat

doesn't show them.

How can i tell if my iptables rules are actually being used? And should this work for the chromecast?

 

[RMerlin]

Alright. I've set up Tunlr according to the wiki for use with Netflix. All of my devices are now able to get US Netflix with one exception: Chromecast.

I found this suggestion on the XDA forums for a possible workaround.

So I tried to copy it for my configuration and used the following:

iptables -t nat -A PREROUTING -d 8.8.8.8 -s 192.168.5.25 -j DNAT --to-destination 192.168.5.1
iptables -t nat -A PREROUTING -d 8.8.4.4 -s 192.168.5.25 -j DNAT --to-destination 192.168.5.1

192.168.5.25 is the chromecast and 192.168.5.1 is my router.

This doesn't seem to work properly. Also, I can't tell if the iptable rules are actually being enforced since doing an

iptables -L -t nat

doesn't show them.

How can i tell if my iptables rules are actually being used? And should this work for the chromecast?

If you add the "-v" flag, you will see how many packets are matched against each rules.

iptables -t nat -L -v

 

[jakey]

Can someone help me please, just got myself a chromecast so need to do as described above.

I use these rules manually entered from telnet and works fine

iptables -t nat -A PREROUTING -d 8.8.8.8 -j DNAT --to-destination 176.67.84.19
iptables -t nat -A PREROUTING -d 8.8.4.4 -j DNAT --to-destination 178.79.166.52

How can I make these rules survive a reboot of the RT-N66. I've tried adding them to /jffs/scripts/nat-start but doesn't seem to work.

How should I do it ?

 

[RMerlin]

Can someone help me please, just got myself a chromecast so need to do as described above.

I use these rules manually entered from telnet and works fine

iptables -t nat -A PREROUTING -d 8.8.8.8 -j DNAT --to-destination 176.67.84.19
iptables -t nat -A PREROUTING -d 8.8.4.4 -j DNAT --to-destination 178.79.166.52

How can I make these rules survive a reboot of the RT-N66. I've tried adding them to /jffs/scripts/nat-start but doesn't seem to work.

How should I do it ?

Don't forget to put a shebang at the start of your script:

#!/bin/sh

And also to make it executable:

chmod a+rx /jffs/scripts/nat-start

Then, test it manually:

/jffs/scripts/nat-start
iptables -t nat -L -v

 

[jakey]

RMerlin thanks for reply, I re-made the script and it seems to be ok now