Martin Rogers wrote: > >> If you allow calls to your default context to be relayed back out then >> you can be in a position where unregistered entities can use your >> machine to make free calls. I guess this is a "security issue". >> Certainly that can be an issue that one should be careful of when >> setting up a PBX. >> >> But when I hear the the term "security" and I am on a computer the first >> thing that comes to my mind is an attack vector for taking control of >> the machine itself. For example an ill-formed packet or sequence of >> packets that cause the server application to crash in such a way that >> executes part of your packet data left on the stack. >> >> From your response, I am I correct in believing that the issue is in >> allowing guests is in the former (free calls) rather than in the latter >> (taking control of your Asterisk box)? >> >> Thank you for any clarification. >> >> And, by the way, I was and am still a little take aback by seeing that >> everything except a spawned session of mini_httpd runs as root in my >> AstLinux box. I would much prefer that Asterisk run as its own >> unprivileged user. >> >> Tod > > Yes my own concern was one of preventing unwanted use of PSTN lines in > an Asterisk box which was on the internet.
If you have the default 'default' context [default] exten => i,1,Hangup exten => s,1,Hangup exten => t,1,Hangup There isn't much you can do. So I'd say that's pretty safe. Darrick ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ Astlinux-users mailing list Astlinux-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/astlinux-users Donations to support AstLinux are graciously accepted via PayPal to [EMAIL PROTECTED]