[Wien] need a reply from Pro.Blaha about the w2web installing

[Torsten Andersen]

Dear Mr. Wang,

since you can choose which port you want to use the wien2k with, you set 
your firewall to accept connections for this port. For example, with 
iptables, you can also specify which computers have access through this 
port, so it should be quite bullet-proof.

Otherwise, configure one machine with two network interfaces and let the 
rest of the machines (including the server) hang as a private network on 
one interface, and use the other interface to connect to the world. 
Again, put a firewall in between. This way, you make sure that only one 
machine is known to the world, thereby lowering the risk of attacks.

Best regards,
Torsten Andersen.

Yushan Wang wrote:
> Dear Pro.Blaha,
> I will install the wien2k into my new cluster, and I prefer using the
> w2web to perform my future calculation.but I worry about the possible
> security problem caused by the w2web for my cluster. my questions are:
> what is the probability of the security problem caused by using the w2web,
> and how to provent such problem from happening , and if the security
> problem occures, how to solve it.
> thank you in advance
> yushan
> 
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-- 
Dr. Torsten Andersen        TA-web: http://deep.at/myspace/
AG Hübner, Department of Physics, Kaiserslautern University
http://cmt.physik.uni-kl.de    http://www.physik.uni-kl.de/