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#1 2020-03-29 16:10:21

1ndeed
Member
Registered: 2018-09-28
Posts: 41

[SOLVED] Configure ROUTE For Docker

I have an apple tv 4k. I'd like it to use a proxy. But there's no way to add a proxy for an apple tv 4k in an apple tv 4k.
I also have a Linux NAS that has two Ethernet ports.
And a Linux server outside my country that runs nothing but sshd.

I don't want to config anything on my router or using apple's Configurator.
I want to connect the apple tv 4k to the second Ethernet port on the NAS. Then create a docker in my NAS that runs sshuttle. So there's no TCP-over-TCP issue. Then let apple tv 4k connect to the internet of the docker that runs sshuttle in the NAS while still have access to the NFS service of the NAS.

I've tried to use the following command, but it didn't work.

sudo iptables -t nat -I POSTROUTING -s 169.254.10.10 -j SNAT --to-source 172.18.0.2

This does give apple tv 4k internet access, but it's the internet of the NAS rather than of the remote Linux server.

sudo iptables -t nat -D POSTROUTING 1
sudo iptables -t nat -I POSTROUTING -s 169.254.10.10 -j SNAT --to-source 192.168.123.123

How should I configure the iptables? What should I do?

Last edited by 1ndeed (2020-04-01 08:09:41)

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#2 2020-03-30 08:11:27

1ndeed
Member
Registered: 2018-09-28
Posts: 41

Re: [SOLVED] Configure ROUTE For Docker

After further learning on the internet, I realized that this is not something that iptables can do alone. It seems that I should configure the route rule on my Linux NAS. But this is still too hard for me to understand. I put the network information below. Please help me with How To Configure Route Rule to Let Apple TV 4k Use The Internet of The Container. Thanks!!

Network Interfaces:

# ifconfig -a
br-3434aecffbad: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
(The Container That Runs Sshuttle)
        inet 172.30.0.1  netmask 255.255.0.0  broadcast 172.30.255.255
        ether 02:42:db:b8:fc:a0  txqueuelen 0  (Ethernet)
        RX packets 2643  bytes 133017 (129.8 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 2683  bytes 171525 (167.5 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

enp3s10: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
(Connected Directly to Apple TV)
        inet 169.254.31.131  netmask 255.255.255.0  broadcast 169.254.31.255
        ether 00:19:e0:0a:eb:d8  txqueuelen 1000  (Ethernet)
        RX packets 6238  bytes 603703 (589.5 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 3199  bytes 1698625 (1.6 MiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

ens33: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
(Connected To The Router In My Home)
        inet 192.168.31.131  netmask 255.255.255.0  broadcast 192.168.31.255
        inet6 fe80::1c25:ce9d:2894:5789  prefixlen 64  scopeid 0x20<link>
        ether 00:01:6c:50:84:39  txqueuelen 1000  (Ethernet)
        RX packets 22693  bytes 3966518 (3.7 MiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 6964  bytes 795564 (776.9 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0
        device interrupt 17  

lo: flags=73<UP,LOOPBACK,RUNNING>  mtu 65536
        inet 127.0.0.1  netmask 255.0.0.0
        loop  txqueuelen 1000  (Local Loopback)
        RX packets 14  bytes 1232 (1.2 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 14  bytes 1232 (1.2 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

Route Rules:

# route
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
default         _gateway        0.0.0.0         UG    101    0        0 ens33
169.254.31.0    0.0.0.0         255.255.255.0   U     0      0        0 enp3s10
172.30.0.0      0.0.0.0         255.255.0.0     U     0      0        0 br-3434aecffbad
192.168.31.0    0.0.0.0         255.255.255.0   U     101    0        0 ens33

Interfaces On the Container:

# ifconfig -a
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 172.30.0.10  netmask 255.255.0.0  broadcast 172.30.255.255
        ether 02:42:ac:1e:00:0a  txqueuelen 0  (Ethernet)
        RX packets 2683  bytes 171525 (167.5 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 2643  bytes 170019 (166.0 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

lo: flags=73<UP,LOOPBACK,RUNNING>  mtu 65536
        inet 127.0.0.1  netmask 255.0.0.0
        loop  txqueuelen 1000  (Local Loopback)
        RX packets 183  bytes 12907 (12.6 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 183  bytes 12907 (12.6 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

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