IPv6 to IPv4 Gateway - Raspberry Pi Forums

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hello there,

amstruggeling network configuration of raspberry pi gateway, first of brief introduction trying do.

have several computers in private network , want access services on these machines on internet. unfortunately changed isp (to unitymedia, german isp) , have ds-lite-tunnel , ipv6 address. idea use ipv6 address access raspberry pi, forward request coresponding machine, 1 nas , netbook not support ipv6. expose raspberry pi internet, there option forward port range on router, want access pi too.
here lite grphic show whats going on.
image
quiet easy forward http , vnc requests right machine, forwarding ftp caused me headaches. not possible use sftp, end problems :-(, because nas not support feature.

how implemented forwarding?
secure raspberry pi using iptables based firewall, expose ports needed.
use socat forward each port like:

code: select all

socat tcp6-listen:180,fork tcp4:192.168.178.5:80 & socat tcp6-listen:15900,fork tcp4:192.168.178.3:5900 &
ftp want that, dont know how specify it.
first tried 1 ftp server use port 20/21 on pi redirect, failed.

code: select all

socat tcp6-listen:20,fork tcp4:192.168.178.5:20& socat tcp6-listen:21,fork tcp4:192.168.178.5:21&
result in filezilla is:

code: select all

befehl:	type antwort:	200 switching binary mode. befehl:	eprt |2|0:0:0:0:0:0:0:0|51717| antwort:	500 bad eprt protocol. befehl:	epsv antwort:	229 entering extended passive mode (|||44034|). befehl:	list fehler:	die datenverbindung konnte nicht hergestellt werden: econnrefused - connection refused server
if change ports on pi wanted it, same error , yes did force use of active mode in filezilla.

want acces first nas on pi port 120 , 121. second should accessible through 220 , 221.

nice if knows solution problem.

thank :-).

hello,

try following:

create firewall rule accept data packet @ choosen port:
sudo ip6tables -a input -p tcp -d aaaa:bbbb:cccc:dddd::eeee --dport 8181 -j accept

socat ipv6 choosen ipv4
sudo socat tcp6-listen:8181,fork,su=nobody tcp4:aaa.bbb.ccc.ddd:8181

acess via browser ipv6 (beacouse webserver):
http://[aaaa:bbbb:cccc:dddd::eeee]:8181/pda.htm

hope helps!


raspberrypi



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