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enable /dev/net/tun and iptable_nat [message #36517] Sun, 28 June 2009 23:38 Go to previous message
tesna is currently offline  tesna
Messages: 2
Registered: June 2009
Junior Member
Hi everyone,

I'm currently have three unmanaged VPS on three different providers and two of then already had /dev/net/tun and iptable_nat enabled on my vps.

I asked all of them to enable these two on my vps and only two of them managed to do it. The other one tried to enable it but in the end the technical support just said they are unmanaged VPS provider and I should look on this forum on how to enable both of them on my VPS. I use /dev/net/tun and iptable_nat to use OpenVPN on my VPS and OpenVPN has been setup sucessfully on two other VPS.

Here is the log file of openvpn:
Mon Jun 29 02:22:42 2009 us=575678 Note: Cannot open TUN/TAP dev /dev/net/tun: Permission denied (errno=13)
Mon Jun 29 02:22:42 2009 us=575691 Note: Attempting fallback to kernel 2.2 TUN/TAP interface
Mon Jun 29 02:22:42 2009 us=576485 Cannot allocate TUN/TAP dev dynamically
Mon Jun 29 02:22:42 2009 us=576498 Exiting

and here's why I need to enable iptable_nat
[root@juno openvpn]# iptables -t nat -s 10.8.0.0/24 -A POSTROUTING -j SNAT --to XX.XX.XX.XX (IP ADDRESS REMOVED)
iptables v1.3.5: can't initialize iptables table `nat': Table does not exist (do you need to insmod?)
Perhaps iptables or your kernel needs to be upgraded.


The question, is it possible to do it from my end? if so, how? or I need to them do do it? if so please explain how to do it and I will forward this message to their technical support.



Any help will be much appreciated Smile

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