[TriLUG] Anybody using DD-WRT?

Chander Ganesan chander.ganesan at gmail.com
Fri Aug 1 08:47:39 EDT 2008


Brian Daniels wrote:
> I put DD-WRT mega Release 7/27/08 on a WRT54GS yesterday to try it out.  I'm 
> pretty impressed with the interface, but I found something disturbing.
>
> I was interested in the setup of their firewall rules, so I ssh'd in and:
>
> root at DD-WRT:~# iptables -L -n
> Chain INPUT (policy ACCEPT)
> target     prot opt source               destination
> ACCEPT     0    --  194.231.229.20       0.0.0.0/0
> ACCEPT     0    --  212.65.2.116         0.0.0.0/0
> ACCEPT     0    --  0.0.0.0/0            0.0.0.0/0           state 
> RELATED,ESTABLISHED
> DROP       udp  --  0.0.0.0/0            0.0.0.0/0           udp dpt:520
>
>
> Um, hello?  Why are there two 'accept all' rules from sites in Germany?
>
> Anyone else have DD-WRT mega installed that they can check?
>   
I run OpenVPN on DD-WRT standard and I can confirm that standard doesn't 
have this issue.  I *hate* the config process for OpenVPN via the GUI, 
since it doesn't easily allow for default TLS authentication, which 
helps to prevent DOS, so I typically don't install the *vpn builds ...  
Much easier to just install openvpn in JFFS and then put a standard 
client config file in there...

chander






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