[erlang-questions] Priviliged ports and effective UID

Michael Radford <>
Thu Dec 18 21:57:19 CET 2008


In Linux, it's also extremely easy to forward, say, port 80 to port 8080
using iptables.  Then no setuid programs are needed at all.

Mike

Claes Wikstrom writes:
> Decker, Nils wrote:
> > Hello,
> > 
> > I am using a small tool named authbind [1] in my project without any problems.
> > It is a LD_PRELOAD wrapper and a setuid root binary. The right to open specific ports
> > can be controlled in /etc/.
> 
> Brilliant. There also an equivalent program call privbind that does
> the same thing.
> 
> This is precisely what is needed for, for example Yaws on Linux system
> Perfect.
> 
> 
> /klacke
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