Re: Reporting brute force ssh login attempts

2006-11-18 Thread John L Fjellstad
Douglas Tutty <[EMAIL PROTECTED]> writes: > Is there a way to configure the firewall to only allow or deny connection > attempts from certain ip addresses? I set my firewall to only allow one connection pr minute pr ip address. So, if you fail the connection, the firewall will drop all connection

Re: Reporting brute force ssh login attempts

2006-11-16 Thread Douglas Tutty
On Wed, Nov 15, 2006 at 06:51:02PM +, Shri Shrikumar wrote: > Hi All, > > I have a few servers on which there is a regular penetration attempts > using brute force password guessing bots. > > There is little risk to the server but am getting more and more annoyed > by this and as far as I c

RE: Reporting brute force ssh login attempts

2006-11-16 Thread Debeselis
8 PM > To: debian-user@lists.debian.org > Subject: Re: Reporting brute force ssh login attempts > > On Wednesday 15 November 2006 18:51, Shri Shrikumar wrote: > > Hi All, > > > > I have a few servers on which there is a regular penetration attempts > > using brut

RE: Reporting brute force ssh login attempts

2006-11-16 Thread Debeselis
8 PM > To: debian-user@lists.debian.org > Subject: Re: Reporting brute force ssh login attempts > > On Wednesday 15 November 2006 18:51, Shri Shrikumar wrote: > > Hi All, > > > > I have a few servers on which there is a regular penetration attempts > > using brut

Re: Reporting brute force ssh login attempts

2006-11-15 Thread Roberto C. Sanchez
On Wed, Nov 15, 2006 at 09:04:08PM -0600, Nate Bargmann wrote: > > Is using only version 2 public key authentication not possible? I'm > just learning ssh, so maybe I'm misled thinking that is less vulnerable > to a brute force attack. > Whether or not just using ssh2 with public keys is possib

Re: Reporting brute force ssh login attempts

2006-11-15 Thread Nate Bargmann
* Shri Shrikumar <[EMAIL PROTECTED]> [2006 Nov 15 12:57 -0600]: > Is there a another option? Alternatively, is there a way of > automatically reporting offending ip's? Is using only version 2 public key authentication not possible? I'm just learning ssh, so maybe I'm misled thinking that is les

Re: Reporting brute force ssh login attempts

2006-11-15 Thread Peter Colton
On Wednesday 15 November 2006 21:00, Shri Shrikumar wrote: > Hi Peter, > > Peter Colton wrote: > > A handy tool I use to cut down on ssh brute force attacks is fail2ban : > > You can install it from backports.org. > > Add the backport url to your sources.list > > http://www.backports.org/dokuwiki

Re: Reporting brute force ssh login attempts

2006-11-15 Thread Raquel
On Wed, 15 Nov 2006 21:00:10 + Shri Shrikumar <[EMAIL PROTECTED]> wrote: > Hi Peter, > > Peter Colton wrote: > > A handy tool I use to cut down on ssh brute force attacks is > > fail2ban : You can install it from backports.org. > > Add the backport url to your sources.list > > http://www.

Re: Reporting brute force ssh login attempts

2006-11-15 Thread Jochen Schulz
Shri Shrikumar: > > 1. Report each ip address that does this. However, a lot of them seems > to be from asia with no proper abuse@ address to contact. Additionally, > this can be very time consuming. I do not think you achieve much by doing this. Doing this automatically, as you suggested below

Re: Reporting brute force ssh login attempts

2006-11-15 Thread Shri Shrikumar
Hi Peter, Peter Colton wrote: A handy tool I use to cut down on ssh brute force attacks is fail2ban : You can install it from backports.org. Add the backport url to your sources.list http://www.backports.org/dokuwiki/doku.php?id=instructions Then after you have installed fail2ban comment out

Re: Reporting brute force ssh login attempts

2006-11-15 Thread Peter Colton
On Wednesday 15 November 2006 18:51, Shri Shrikumar wrote: > Hi All, > > I have a few servers on which there is a regular penetration attempts > using brute force password guessing bots. > > There is little risk to the server but am getting more and more annoyed > by this and as far as I can see am

Re: Reporting brute force ssh login attempts

2006-11-15 Thread Raquel
On Wed, 15 Nov 2006 18:51:02 + Shri Shrikumar <[EMAIL PROTECTED]> wrote: > Hi All, > > I have a few servers on which there is a regular penetration > attempts using brute force password guessing bots. > > There is little risk to the server but am getting more and more > annoyed by this and

Re: Reporting brute force ssh login attempts

2006-11-15 Thread Sergio Cuéllar Valdés
On 11/15/06, Shri Shrikumar <[EMAIL PROTECTED]> wrote: Hi All, I have a few servers on which there is a regular penetration attempts using brute force password guessing bots. There is little risk to the server but am getting more and more annoyed by this and as far as I can see am left with two

Reporting brute force ssh login attempts

2006-11-15 Thread Shri Shrikumar
Hi All, I have a few servers on which there is a regular penetration attempts using brute force password guessing bots. There is little risk to the server but am getting more and more annoyed by this and as far as I can see am left with two options. 1. Report each ip address that does this.