Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-05-01 Thread --[ UxBoD ]--
- Original Message - Randy- On Wed, Apr 21, 2010 at 5:33 PM, Steve Murphy m...@parsetree.com wrote: Assuming that every such spamming/hacking/attack site is funded on a stolen identity/CC number, it will soon sink into Amazon that they are getting a bad rep, and losing money

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-05-01 Thread Randy R
On Sat, May 1, 2010 at 4:49 PM, --[ UxBoD ]-- ux...@splatnix.net wrote: Slammed again last night by a A-WS server; see if anything comes back from their abuse department! FWIW, I chose another provider for our most recent customer who needed cloud hosting, only because of the EC2 flood

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-21 Thread Randy R
Amazon is pretty clever! Ever seen V on TV? Amazon talks a pretty good game out of one side of their PR mouthpiece, but as a few of you note above, they abuse words like quickly and temper everything with when Amazon determines. This is a PR damage control statement. It means they are hearing

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-21 Thread Gordon Henderson
On Tue, 20 Apr 2010, Frank Bulk wrote: Please take note of their posting: https://aws.amazon.com/security/ which discusses the issue and what they're doing to improve response. And is anyone on the list worthy of being considered a significant SIP provider to be honoured with the

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-21 Thread Fred Posner
On Apr 21, 2010, at 4:50 AM, Gordon Henderson wrote: On Tue, 20 Apr 2010, Frank Bulk wrote: Please take note of their posting: https://aws.amazon.com/security/ which discusses the issue and what they're doing to improve response. And is anyone on the list worthy of being considered

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-21 Thread Randy R
On Wed, Apr 21, 2010 at 2:55 PM, Fred Posner f...@teamforrest.com wrote: On Apr 21, 2010, at 4:50 AM, Gordon Henderson wrote: On Tue, 20 Apr 2010, Frank Bulk wrote: Please take note of their posting:      https://aws.amazon.com/security/ which discusses the issue and what they're doing to

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-21 Thread Stuart Sheldon
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Randy R wrote: On Wed, Apr 21, 2010 at 2:55 PM, Fred Posner f...@teamforrest.com wrote: On Apr 21, 2010, at 4:50 AM, Gordon Henderson wrote: On Tue, 20 Apr 2010, Frank Bulk wrote: Please take note of their posting:

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-21 Thread Steve Murphy
On Wed, Apr 21, 2010 at 9:23 AM, Stuart Sheldon s...@actusa.net wrote: -BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Randy R wrote: On Wed, Apr 21, 2010 at 2:55 PM, Fred Posner f...@teamforrest.com wrote: On Apr 21, 2010, at 4:50 AM, Gordon Henderson wrote: On Tue, 20 Apr 2010,

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-21 Thread Randy R
On Wed, Apr 21, 2010 at 5:33 PM, Steve Murphy m...@parsetree.com wrote: Assuming that every such spamming/hacking/attack site is funded on a stolen identity/CC number, it will soon sink into Amazon that they are getting a bad rep, and losing money on such problems, as all such charges are

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-21 Thread Jeff Brower
Randy- On Wed, Apr 21, 2010 at 5:33 PM, Steve Murphy m...@parsetree.com wrote: Assuming that every such spamming/hacking/attack site is funded on a stolen identity/CC number, it will soon sink into Amazon that they are getting a bad rep, and losing money on such problems, as all such charges

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-20 Thread Frank Bulk
Posner Sent: Tuesday, April 13, 2010 3:41 PM To: Asterisk Users Mailing List - Non-Commercial Discussion Subject: Re: [asterisk-users] Being attacked by an Amazon EC2 ... On Apr 13, 2010, at 4:22 PM, Randy R wrote: On Tue, Apr 13, 2010 at 8:25 PM, Steve Murphy m...@parsetree.com wrote: Hmmm

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-20 Thread Fred Posner
On Apr 20, 2010, at 6:18 PM, Frank Bulk wrote: Please take note of their posting: https://aws.amazon.com/security/ which discusses the issue and what they're doing to improve response. Frank If only they wrote the truth... When we find misuse, we take action quickly and shut it

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-20 Thread Frank Bulk
Message- From: asterisk-users-boun...@lists.digium.com [mailto:asterisk-users-boun...@lists.digium.com] On Behalf Of Fred Posner Sent: Tuesday, April 20, 2010 6:47 PM To: Asterisk Users Mailing List - Non-Commercial Discussion Subject: Re: [asterisk-users] Being attacked by an Amazon EC2

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-20 Thread Chris Owen
On Apr 20, 2010, at 5:18 PM, Frank Bulk wrote: Please take note of their posting: https://aws.amazon.com/security/ which discusses the issue and what they're doing to improve response. This is an incredibly lame post on their part. They go out of their way to point out there was

Re: [asterisk-users] Being attacked by an Amazon EC2

2010-04-13 Thread Randy R
I worked with Project Honeypot guys for a while, they are more than willing to assist, as they already have the backend work done for a clearing house identifying hackers.  The biggest issue we had a year ago was to create the mechanism in asterisk to push valid log messages out to the

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-13 Thread Randy R
On Mon, Apr 12, 2010 at 7:17 PM, Darrick Hartman dhart...@djhsolutions.com wrote: That only addresses EC2 (and assumes that Amazon has any interest in protecting their reputation).  What about attacks that come from other locations?  Granted it's pretty easy to buy time on an EC2 server so

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-13 Thread Alyed
Think we need some solution WITHIN the Asterisk core. Roderick A. suggested something that looks nice using iptables, some others have pointed out using RBL or fail2ban, but the best would be to have some generic solution not dependant on third party programs. I'm not aware of the asterisk.dev

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-13 Thread Tzafrir Cohen
On Tue, Apr 13, 2010 at 08:27:11AM +0200, Randy R wrote: On Mon, Apr 12, 2010 at 7:17 PM, Darrick Hartman dhart...@djhsolutions.com wrote: That only addresses EC2 (and assumes that Amazon has any interest in protecting their reputation).  What about attacks that come from other locations?  

Re: [asterisk-users] Being attacked by an Amazon EC2

2010-04-13 Thread Tzafrir Cohen
On Mon, Apr 12, 2010 at 04:58:42PM -0500, JR Richardson wrote: Perhaps if there was a Asterisk RBL we could all contribute to; for which we could then hook into and drop any connection where a source IP is listed ? -- Thanks, Phil I love the idea of a RBL... count me in for

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-13 Thread --[ UxBoD ]--
- Original Message - Think we need some solution WITHIN the Asterisk core. Roderick A. suggested something that looks nice using iptables, some others have pointed out using RBL or fail2ban, but the best would be to have some generic solution not dependant on third party programs.

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-13 Thread Gordon Henderson
On Tue, 13 Apr 2010, Alyed wrote: Think we need some solution WITHIN the Asterisk core. Roderick A. suggested something that looks nice using iptables, some others have pointed out using RBL or fail2ban, but the best would be to have some generic solution not dependant on third party

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-13 Thread --[ UxBoD ]--
- Original Message - On Tue, 13 Apr 2010, Alyed wrote: Think we need some solution WITHIN the Asterisk core. Roderick A. suggested something that looks nice using iptables, some others have pointed out using RBL or fail2ban, but the best would be to have some generic solution

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-13 Thread Norbert Zawodsky
Am 13.04.2010 10:47, schrieb Gordon Henderson: I'd strongly disagree with this. (And I was the OP of this thread and had my home/office network connection taken down due to it) But then, I'm an old worldy Unix sysadmin and the philosophy of having a program do one thing well is still etched

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-13 Thread Hans Witvliet
On Tue, 2010-04-13 at 09:47 +0100, Gordon Henderson wrote: On Tue, 13 Apr 2010, Alyed wrote: Think we need some solution WITHIN the Asterisk core. Roderick A. suggested something that looks nice using iptables, some others have pointed out using RBL or fail2ban, but the best would be to

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-13 Thread Philipp von Klitzing
Hi! Any aditional security within * is fine, but if someone is simply drowning your bandwith, action must be taken at a lower level. Otherwise you endup re-inventing the wheel for D.o.s. attackes for voip, mail, ssh, ldap, http, rsync, (or any other service you might be running) However, I

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-13 Thread Fred Posner
On Apr 13, 2010, at 8:04 AM, Hans Witvliet wrote: On Tue, 2010-04-13 at 09:47 +0100, Gordon Henderson wrote: On Tue, 13 Apr 2010, Alyed wrote: Think we need some solution WITHIN the Asterisk core. Roderick A. suggested something that looks nice using iptables, some others have pointed out

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-13 Thread bruce bruce
Speaking of all these attacks, are there any good web managed security monitor tools for CentOS out there that can be installed on the system so that it can give us a visual of let's multiple failed attempts against SSH or HTTPd? Something nice that is simple and doesn't eat a lot resources and

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-13 Thread Hans Witvliet
On Tue, 2010-04-13 at 15:49 +0200, Philipp von Klitzing wrote: Hi! Any aditional security within * is fine, but if someone is simply drowning your bandwith, action must be taken at a lower level. Otherwise you endup re-inventing the wheel for D.o.s. attackes for voip, mail, ssh, ldap,

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-13 Thread --[ UxBoD ]--
- Original Message - Speaking of all these attacks, are there any good web managed security monitor tools for CentOS out there that can be installed on the system so that it can give us a visual of let's multiple failed attempts against SSH or HTTPd? Something nice that is simple

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-13 Thread bruce bruce
Cool. I am just looking over splunk. Isn't that enough by it's own? or is OSSEC needed to give it raw data? I think these two will take quite some time to understand. Anything simpler out there as well? Thanks, Bruce On Tue, Apr 13, 2010 at 10:42 AM, --[ UxBoD ]-- ux...@splatnix.net wrote:

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-13 Thread --[ UxBoD ]--
- Original Message - Cool. I am just looking over splunk. Isn't that enough by it's own? or is OSSEC needed to give it raw data? I think these two will take quite some time to understand. Anything simpler out there as well? Thanks, Bruce On Tue, Apr 13, 2010 at 10:42 AM, --[

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-13 Thread Tzafrir Cohen
On Tue, Apr 13, 2010 at 04:32:58PM +0200, Hans Witvliet wrote: On Tue, 2010-04-13 at 15:49 +0200, Philipp von Klitzing wrote: Hi! Any aditional security within * is fine, but if someone is simply drowning your bandwith, action must be taken at a lower level. Otherwise you endup

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-13 Thread Steve Murphy
Hmmm. It would seem that it would be to Amazon's advantage to jump on this problem, because the accounts that are performing this activity are most likely purchased with stolen identities, and sooner or later the charges are going to get reversed. Either the credit card companies are going to

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-13 Thread Randy R
On Tue, Apr 13, 2010 at 8:25 PM, Steve Murphy m...@parsetree.com wrote: Hmmm. It would seem that it would be to Amazon's advantage to jump on this problem, I am pushing for this, please everyone who is suffering from this problem, submit it or write to complain to Amazon and post the message

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-13 Thread Fred Posner
On Apr 13, 2010, at 4:22 PM, Randy R wrote: On Tue, Apr 13, 2010 at 8:25 PM, Steve Murphy m...@parsetree.com wrote: Hmmm. It would seem that it would be to Amazon's advantage to jump on this problem, I am pushing for this, please everyone who is suffering from this problem, submit it or

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-12 Thread Fred Posner
On Apr 12, 2010, at 9:12 AM, --[ UxBoD ]-- wrote: Perhaps if there was a Asterisk RBL we could all contribute to; for which we could then hook into and drop any connection where a source IP is listed ? -- Thanks, Phil I love the idea of a RBL... count me in for contributing.

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-12 Thread --[ UxBoD ]--
- Original Message - Am 11.04.2010 17:05, schrieb Mark Smith: Same this end from 184.73.17.150. Use this little piece of iptables magic to block the whole of Amazon's EC2 ip- range. iptables -F iptables -A INPUT -m iprange --src-range 216.182.224.0-216.182.239.255 -j DROP

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-12 Thread Zeeshan Zakaria
I got the same generic response, asking me to submit the same info which I had already submitted. This clearly show they are not interested in tracing just another hacker on their cloud. Zeeshan A Zakaria -- Sent from my Android phone with K-9 Mail. On 2010-04-12 9:24 AM, Fred Posner

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-12 Thread Zeeshan Zakaria
If RBL or something is practical, I'm in too. But at what level these hackers will be blocked? Unless some big ISPs cooprate, it is not much of use. Zeeshan A Zakaria -- Sent from my Android phone with K-9 Mail. On 2010-04-12 9:24 AM, Fred Posner f...@teamforrest.com wrote: On Apr 12, 2010,

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-12 Thread Chris Owen
On Apr 12, 2010, at 8:17 AM, Fred Posner wrote: On Apr 12, 2010, at 9:12 AM, --[ UxBoD ]-- wrote: Perhaps if there was a Asterisk RBL we could all contribute to; for which we could then hook into and drop any connection where a source IP is listed ? -- Thanks, Phil I love the

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-12 Thread Randy R
On Mon, Apr 12, 2010 at 3:52 PM, Zeeshan Zakaria zisha...@gmail.com wrote: If RBL or something is practical, I'm in too. But at what level these hackers will be blocked? Unless some big ISPs cooprate, it is not much of use. I've been following this with much interest. I don't see RBL (which I

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-12 Thread Danny Nicholas
Mailing List - Non-Commercial Discussion Subject: Re: [asterisk-users] Being attacked by an Amazon EC2 ... On Apr 12, 2010, at 8:17 AM, Fred Posner wrote: On Apr 12, 2010, at 9:12 AM, --[ UxBoD ]-- wrote: Perhaps if there was a Asterisk RBL we could all contribute to; for which we could

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-12 Thread Tom Stordy-Allison
Good article - might solve our problems for now: http://jcs.org/notaweblog/2010/04/11/properly_stopping_a_sip_flood He got the bots to stop by writing a ruby script that responds back to them with a SIP 200 OK. I'm going give it a go when I'm back home... Cheers, Tom --

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-12 Thread Steve Howes
On 12 Apr 2010, at 17:30, Tom Stordy-Allison wrote: Good article - might solve our problems for now: http://jcs.org/notaweblog/2010/04/11/properly_stopping_a_sip_flood He got the bots to stop by writing a ruby script that responds back to them with a SIP 200 OK. I'm going give it a

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-12 Thread Darrick Hartman
On 04/12/2010 08:17 AM, Fred Posner wrote: On Apr 12, 2010, at 9:12 AM, --[ UxBoD ]-- wrote: Perhaps if there was a Asterisk RBL we could all contribute to; for which we could then hook into and drop any connection where a source IP is listed ? -- Thanks, Phil I love the idea of a

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-12 Thread Randy R
On Mon, Apr 12, 2010 at 6:51 PM, Darrick Hartman dhart...@djhsolutions.com wrote: I don't think anyone else brought up the Spamhaus DROP project.  It's a blacklist of IP addresses and address ranges which are known to ONLY be used for malicious purposes. http://www.spamhaus.org/drop/

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-12 Thread Fred Posner
On Apr 12, 2010, at 1:05 PM, Randy R wrote: On Mon, Apr 12, 2010 at 6:51 PM, Darrick Hartman dhart...@djhsolutions.com wrote: I don't think anyone else brought up the Spamhaus DROP project. It's a blacklist of IP addresses and address ranges which are known to ONLY be used for malicious

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-12 Thread Darrick Hartman
On 04/12/2010 12:05 PM, Randy R wrote: On Mon, Apr 12, 2010 at 6:51 PM, Darrick Hartman dhart...@djhsolutions.com wrote: I don't think anyone else brought up the Spamhaus DROP project. It's a blacklist of IP addresses and address ranges which are known to ONLY be used for malicious

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-12 Thread --[ UxBoD ]--
- Original Message - On 04/12/2010 12:05 PM, Randy R wrote: On Mon, Apr 12, 2010 at 6:51 PM, Darrick Hartman dhart...@djhsolutions.com wrote: I don't think anyone else brought up the Spamhaus DROP project. It's a blacklist of IP addresses and address ranges which are known to

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-12 Thread Roderick A. Anderson
Darrick Hartman wrote: On 04/12/2010 12:05 PM, Randy R wrote: On Mon, Apr 12, 2010 at 6:51 PM, Darrick Hartman dhart...@djhsolutions.com wrote: snip / Randy, That only addresses EC2 (and assumes that Amazon has any interest in protecting their reputation). What about attacks that come

Re: [asterisk-users] Being attacked by an Amazon EC2

2010-04-12 Thread JR Richardson
Perhaps if there was a Asterisk RBL we could all contribute to; for which we could then hook into and drop any connection where a source IP is listed ? -- Thanks, Phil I love the idea of a RBL... count me in for contributing. Especially considering the ridiculous response I received from

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-11 Thread David Quinton
On Sat, 10 Apr 2010 22:34:28 +0100 (BST), Gordon Henderson gordon+aster...@drogon.net wrote: Just a heads-up ... my home asterisk server is being flooded by someone from IP 184.73.17.150 which is an Amazon EC2 instance by the looks of it - they're trying to send SIP subscribes to one account -

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-11 Thread Gordon Henderson
On Sun, 11 Apr 2010, David Quinton wrote: On Sat, 10 Apr 2010 22:34:28 +0100 (BST), Gordon Henderson gordon+aster...@drogon.net wrote: Just a heads-up ... my home asterisk server is being flooded by someone from IP 184.73.17.150 which is an Amazon EC2 instance by the looks of it - they're

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-11 Thread David Quinton
On Sun, 11 Apr 2010 08:09:02 +0100 (BST), Gordon Henderson gordon+aster...@drogon.net wrote: Look what they did to my latency, Gordon:- http://f8lure.mouselike.org/archived_graphs/westek.bizorg.co.uk_day10.png Oddly enough my latency wasn't being affected at all - however what I was seeing

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-11 Thread --[ UxBoD ]--
- Original Message - On Sun, 11 Apr 2010, David Quinton wrote: On Sat, 10 Apr 2010 22:34:28 +0100 (BST), Gordon Henderson gordon+aster...@drogon.net wrote: Just a heads-up ... my home asterisk server is being flooded by someone from IP 184.73.17.150 which is an Amazon EC2

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-11 Thread Administrator TOOTAI
Gordon Henderson a écrit : Just a heads-up ... my home asterisk server is being flooded by someone from IP 184.73.17.150 which is an Amazon EC2 instance by the looks of it - they're trying to send SIP subscribes to one account - and they're flooding the requests in - it's averaging some

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-11 Thread Gordon Henderson
On Sun, 11 Apr 2010, --[ UxBoD ]-- wrote: In the end I set up OSSEC (http://www.ossec.net) and wrote a rule that would monitor for failed SIP registrations. If a few occurred within a short space of time the Active Response kicks in and blocks the IP address using IPTables. -- Thanks, Phil

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-11 Thread Zeeshan Zakaria
My experience is that as long as the hackers are getting any kind of response from your server, they'll keep their attack on, in a hope that they'll get into your system sooner or later. After all it is just some computers doing the work for them, no human is phycally getting tired here. This is

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-11 Thread Gordon Henderson
On Sun, 11 Apr 2010, Zeeshan Zakaria wrote: My experience is that as long as the hackers are getting any kind of response from your server, they'll keep their attack on, in a hope that they'll get into your system sooner or later. After all it is just some computers doing the work for them,

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-11 Thread Norbert Zawodsky
Hello to everyone! Same here (Vienna, Austria). I had this attack yesterday 6am (local time) from IP 216.105.128.63 whois 216.105.128.63 returns: OrgName:Globalvision OrgID: ACSIN-3 Address:78 Global Drive Address:Suite 101 City: Greenville StateProv: SC PostalCode:

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-11 Thread Philipp von Klitzing
Hi! My phones (SNOMs) all are on the same LAN within a 192.168.X.X adress range. I wonder if everything would become a little bit more secure if define them with host=192.168.X.X in sip.conf instead of host=dynamic. I tried it as a quick shot but it didn't work as they still try to register.

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-11 Thread Zeeshan Zakaria
I don't k know if there is a tool to sniff passwords, but did you check in /va/log/asterisk/full? Maybe wireshark can be used for this purpose, but it'll be not that straight forward. Interestingly I checked log of my server and found out that I was also under attack yesterday by an Amazon cloud

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-11 Thread Fred Posner
On Apr 11, 2010, at 10:06 AM, Zeeshan Zakaria wrote: I don't k know if there is a tool to sniff passwords, but did you check in /va/log/asterisk/full? Maybe wireshark can be used for this purpose, but it'll be not that straight forward. Interestingly I checked log of my server and found

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-11 Thread Mark Smith
--[ UxBoD ]-- uxbod at splatnix.net writes: - Original Message - On Sun, 11 Apr 2010, David Quinton wrote: On Sat, 10 Apr 2010 22:34:28 +0100 (BST), Gordon Henderson gordon+asterisk at drogon.net wrote: Just a heads-up ... my home asterisk server is being flooded by

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-11 Thread Martin
Its a good idea tos setup Fail2ban, instructions for which are on voip-info.org. It at least blocks such IP addresses, hopefully prompting the attackers to move their attack somewhere else and leave you alone. I personally use Fail2ban, it works but wont keep you from flooding your line. My

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-11 Thread Zeeshan Zakaria
I always report at least. This is still better than not bringing it to their attention. I once worked in the NOC of a big data centre of a major ISP, and we often get calls regarding IPs from our data centers involved in spams and hacks, but unless there were a number of complaints, nobody had

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-11 Thread Norbert Zawodsky
Am 11.04.2010 17:05, schrieb Mark Smith: Same this end from 184.73.17.150. Use this little piece of iptables magic to block the whole of Amazon's EC2 ip- range. iptables -F iptables -A INPUT -m iprange --src-range 216.182.224.0-216.182.239.255 -j DROP iptables -A INPUT -m iprange

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-11 Thread Tom Stordy-Allison
-users-boun...@lists.digium.com [mailto:asterisk-users-boun...@lists.digium.com] On Behalf Of Norbert Zawodsky Sent: 11 April 2010 20:57 To: asterisk-users@lists.digium.com Subject: Re: [asterisk-users] Being attacked by an Amazon EC2 ... Am 11.04.2010 17:05, schrieb Mark Smith: Same this end from

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-11 Thread Mark Smith
Norbert Zawodsky norbert at zawodsky.at writes: Am 11.04.2010 17:05, schrieb Mark Smith: Same this end from 184.73.17.150. Use this little piece of iptables magic to block the whole of Amazon's EC2 ip- range. iptables -F iptables -A INPUT -m iprange --src-range

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-11 Thread Erik L
FWIW, we're seeing similar attacks. The below is what I posted on NANOG earlier, which summarizes Amazon's stellar abuse response. I've also received an off-list e-mail from someone who was getting hit with 6Gbps of traffic from them (and was not able to reach anyone there either). Time to

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-11 Thread Stuart Sheldon
the requests as below. Cheers, Tom -Original Message- From: asterisk-users-boun...@lists.digium.com [mailto:asterisk-users-boun...@lists.digium.com] On Behalf Of Norbert Zawodsky Sent: 11 April 2010 20:57 To: asterisk-users@lists.digium.com Subject: Re: [asterisk-users] Being

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-11 Thread Tom Stordy-Allison
...@lists.digium.com [mailto:asterisk-users-boun...@lists.digium.com] On Behalf Of Stuart Sheldon Sent: 11 April 2010 21:17 To: Asterisk Users Mailing List - Non-Commercial Discussion Subject: Re: [asterisk-users] Being attacked by an Amazon EC2 ... -BEGIN PGP SIGNED MESSAGE- Hash: SHA256 We reported

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-11 Thread Fred Posner
On Apr 11, 2010, at 4:06 PM, Tom Stordy-Allison wrote: Hi, This is exactly what I've just joined this mailing list about. Has anyone has any luck getting Amazon to stop the instances? I'm stuck with around 700Kbps of my 2.5Mbps inbound in use as my firewall blocks the requests as

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-11 Thread Remco Barendse
On Sun, 11 Apr 2010, Mark Smith wrote: Same this end from 184.73.17.150. Use this little piece of iptables magic to block the whole of Amazon's EC2 ip- range. iptables -F iptables -A INPUT -m iprange --src-range 216.182.224.0-216.182.239.255 -j DROP iptables -A INPUT -m iprange

[asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-10 Thread Gordon Henderson
Just a heads-up ... my home asterisk server is being flooded by someone from IP 184.73.17.150 which is an Amazon EC2 instance by the looks of it - they're trying to send SIP subscribes to one account - and they're flooding the requests in - it's averaging some 600Kbits/sec of incoming UDP

Re: [asterisk-users] Being attacked by an Amazon EC2 ...

2010-04-10 Thread Zeeshan Zakaria
Its a good idea tos setup Fail2ban, instructions for which are on voip-info.org. It at least blocks such IP addresses, hopefully prompting the attackers to move their attack somewhere else and leave you alone. Another good idea is to lookup in whois database this IP address and see if you can