Thanks Francois , your's advice it was very helpful for me . Thanks again ! Best regards , Crosby. mail to : crosby@sec.sibnet.ro c_crosby@email.com On Wed, 19 Apr 2000, you wrote:

Crosby writes:

...

Exist a program to close all connection for a given port number ? It's possible to make this think ?

You might look for `fuser' and `lsof'. Both are able to list which processes are waiting or using a given TCP port. Once you know the processes, you may look at them with `ps' and kill them with `kill', effectively freeing the port (after some delay, depending on the originator of the connection).

By the way, if you happen to discover at random, with `ps' say, that `sh' is running over a WWW port or a POP port, consider yourself in trouble :-) :-).

I did not check the `man' pages for these (you'll surely do that :-), but I think I remember that `fuser' has an option to directly kill the processes. `lsof' might not have such an option, but overall, it looks more versatile to me. So, if you decide to install and learn only one of these two tools, I would suggest you pay more attention to `lsof', even if a bit of extra work is needed for your precise case.

Presuming I well understood your question, of course :-).

-- François Pinard http://www.iro.umontreal.ca/~pinard

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