Re: [asterisk-users] Someone has hacked into our system

2010-11-25 Thread Daniel Tryba
On Tue, Nov 23, 2010 at 06:51:37PM -0500, John Novack wrote: You should also have, in general: alwaysauthreject=yes This seems pretty effective in stopping some hacking These are simple fixes. I found it very effective to make sure the handled sip domains don't contain the ipadress(es) of

Re: [asterisk-users] Someone has hacked into our system

2010-11-25 Thread Adrian Marsh
Hi Gary, I went through this process a few times over the past few years. Theres a few short guides for securing Asterisk, but much of it depends on your design. If it's a traditional POTs-type PBX then locking down IPs using firewalls is a great thing, however if you make use of inbound-SIP

Re: [asterisk-users] Someone has hacked into our system

2010-11-25 Thread Singer X.J. Wang
One thing we did to secure remote users is to use SNOM370s and OpenVPN.. -- Singer XJ Wang, Senior System and Database Administrator The Pythian Group - love your data http://www.pythian.com Desk: (613) 565-8696 x298 Cell: (613) 266-3763 On Thu, Nov 25, 2010 at 12:33, Adrian Marsh

Re: [asterisk-users] Someone has hacked into our system

2010-11-24 Thread Gary Kuznitz
On 23 Nov 2010 at 16:54, Joseph (Joseph syscon...@gmail.com) commented about Re: [asterisk-users] Someone has hacked into our : On 11/23/10 14:18, Gary Kuznitz wrote: Thank you for the reply... Comments below... On 22 Nov 2010 at 17:23, Tilghman (Tilghman Lesher asterisk-

Re: [asterisk-users] Someone has hacked into our system

2010-11-24 Thread Gary Kuznitz
Thank you for the reply. On 23 Nov 2010 at 18:51, John (John Novack jnov...@stromberg-carlson.org) commented about Re: [asterisk-users] Someone has hacked into our : Gary Kuznitz wrote: Thank you for the reply... Comments below... On 22 Nov 2010 at 17:23, Tilghman (Tilghman

Re: [asterisk-users] Someone has hacked into our system

2010-11-24 Thread Joseph
On 11/24/10 10:39, Gary Kuznitz wrote: Look for allowguest default is yes I change it to allowguest=no In addition you might want to restrict some countries in your dial-plan, here is my list: This would be great. Can I put this anyplace in extensions.conf? Or does it need to go after

Re: [asterisk-users] Someone has hacked into our system

2010-11-23 Thread Gary Kuznitz
Thank you for the reply... Comments below... On 22 Nov 2010 at 17:23, Tilghman (Tilghman Lesher asterisk- us...@lists.digium.com) commented about Re: [asterisk-users] Someone has hacked into our : On Monday 22 November 2010 17:10:31 Gary Kuznitz wrote: I have the log now. I'd like to know

Re: [asterisk-users] Someone has hacked into our system

2010-11-23 Thread John Novack
Gary Kuznitz wrote: Thank you for the reply... Comments below... On 22 Nov 2010 at 17:23, Tilghman (Tilghman Lesherasterisk- us...@lists.digium.com) commented about Re: [asterisk-users] Someone has hacked into our : On Monday 22 November 2010 17:10:31 Gary Kuznitz wrote: I

Re: [asterisk-users] Someone has hacked into our system

2010-11-23 Thread Joseph
On 11/23/10 14:18, Gary Kuznitz wrote: Thank you for the reply... Comments below... On 22 Nov 2010 at 17:23, Tilghman (Tilghman Lesher asterisk- us...@lists.digium.com) commented about Re: [asterisk-users] Someone has hacked into our : On Monday 22 November 2010 17:10:31 Gary Kuznitz wrote:

Re: [asterisk-users] Someone has hacked into our system

2010-11-22 Thread Danny Nicholas
_ From: asterisk-users-boun...@lists.digium.com [mailto:asterisk-users-boun...@lists.digium.com] On Behalf Of Gary Kuznitz Sent: Monday, November 22, 2010 10:23 AM To: Asterisk Users Mailing List - Non-Commercial Discussion Subject: [asterisk-users] Someone has hacked into our system

Re: [asterisk-users] Someone has hacked into our system

2010-11-22 Thread Magosányi Árpád
Blocking udp 5060 in the packet filter in unwanted directions should keep asterisk from setting up SIP connections. The real remedy is to figure out how the hacker got in and close the backdoor. I think a lot of us would be interested in what was the vulnerability. And if it turns out that it

Re: [asterisk-users] Someone has hacked into our system

2010-11-22 Thread Gary Kuznitz
Nicholas Subject: Re: [asterisk-users] Someone has hacked into our system Thank you for the quick response. Comments below... I am not familiar with navigating Asterisk. Would you please help me understand how to see the CDR? Thank you, Gary Kuznitz By default, Asterisk keeps the CDR as a flat-file

Re: [asterisk-users] Someone has hacked into our system

2010-11-22 Thread Kevin Keane
Use IPTables to lock down your machine to only accept incoming connections from your local network and from the particular IPs that you are expecting connections from (such as your SIP trunk, maybe). That is of course assuming that these calls are made by SIP. Don't forget to also change all

Re: [asterisk-users] Someone has hacked into our system

2010-11-22 Thread jon pounder
On 11/22/2010 06:44 PM, Kevin Keane wrote: Use IPTables to lock down your machine to only accept incoming connections from your local network and from the particular IPs that you are expecting connections from (such as your SIP trunk, maybe). That is of course assuming that these calls are