David,

You could use openvpn to secure the connection.  MAC address 
restrictions are pretty weak and easy to spoof.

Darrick

David Kerr wrote:
> I would like to permit a softphone on my laptop to connect to my 
> astlinux box from anywhere in the world. This would mean keeping port 
> 5060 open, which is a potential security risk?  Is there a way to 
> restrict access by mac address? so that my softphone on *my* laptop can 
> connect, but no one else's can (even if they know the extension/password.
> 
> Thanks.
> David
> 
> On Mon, Nov 10, 2008 at 2:40 PM, Daniel Aeberli <[EMAIL PROTECTED]> 
> wrote:
> 
>     Hi Darrick,
> 
>     You right, I had miss-configured my Firewall: I open the voip ports when
>     I initially was try to my Asterisk trunk working. As I now know, the
>     trunk goes through a tunnel so I closed them just after my last post and
>     everything still works (no duh).
> 
>     I still need to dig into my config (Firewall and Asterisk), I'm sure I
>     have other doors wide open why I tried to get things working.
> 
>     Many thanks for the reply though.
> 
>     Daniel
> 
> 
> 
>     Darrick Hartman a écrit :
>      > Daniel,
>      >
>      > Not necessarily.  It sounds like you have the firewall misconfigured.
>      > What ports are you opening?  You should really only have your ssh
>     port
>      > and vpn port open.  All others should be closed.  How are these
>     people
>      > getting in?
>      >
>      > Darrick
>      >
>      > Daniel Aeberli wrote:
>      >
>      >> Sorry, just realised this is more an Astersik general question
>     than a
>      >> ASTLinux one ... of to search other forums...
>      >>
>      >> Daniel Aeberli a écrit :
>      >>
>      >>> Well after the brute force attack ssh login attempts, last
>     month, I have
>      >>> an undesirable outsider that successfully made calls from my
>     ASTlinux
>      >>> box. I locked out the brute force, by disabling WAN requests,
>     turning of
>      >>> WAN ping response and turning off ssh access,  but obviously my
>     box is
>      >>> not secure.
>      >>>
>      >>> I'm not savvy enough to know how to secure by AstLinux box from
>     outside
>      >>> callers (hackers). I only use AstLinux to call my parents
>     AstLinux box
>      >>> via a VPN trunk over our ADSL lines. All my local calls go via
>     ISDN line
>      >>> (since I have to have it for the ADSL link and local call are
>     free).
>      >>>
>      >>> Could someone tell me how to lock outside calls (internet /
>     ADSL) from
>      >>> using my ISDN lines?
>      >>>
>      >>> Thanks
>      >>>
>      >>> Daniel
>      >>>
>      >>>
>     -------------------------------------------------------------------------
>      >>> 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=/
>     <http://moblin-contest.org/redirect.php?banner_id=100&url=/>
>      >>> _______________________________________________
>      >>> Astlinux-users mailing list
>      >>> Astlinux-users@lists.sourceforge.net
>     <mailto: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] <mailto:[EMAIL PROTECTED]>.
>      >>>
>      >>>
>      >>
>     -------------------------------------------------------------------------
>      >> 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=/
>     <http://moblin-contest.org/redirect.php?banner_id=100&url=/>
>      >> _______________________________________________
>      >> Astlinux-users mailing list
>      >> Astlinux-users@lists.sourceforge.net
>     <mailto: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] <mailto:[EMAIL PROTECTED]>.
>      >>
>      >
>      >
>      >
>     -------------------------------------------------------------------------
>      > 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=/
>     <http://moblin-contest.org/redirect.php?banner_id=100&url=/>
>      > _______________________________________________
>      > Astlinux-users mailing list
>      > Astlinux-users@lists.sourceforge.net
>     <mailto: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] <mailto:[EMAIL PROTECTED]>.
>      >
> 
> 
>     -------------------------------------------------------------------------
>     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=/
>     <http://moblin-contest.org/redirect.php?banner_id=100&url=/>
>     _______________________________________________
>     Astlinux-users mailing list
>     Astlinux-users@lists.sourceforge.net
>     <mailto: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] <mailto:[EMAIL PROTECTED]>.
> 
> 
> 
> ------------------------------------------------------------------------
> 
> -------------------------------------------------------------------------
> 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]


-------------------------------------------------------------------------
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]

Reply via email to