[Shorewall-users] Combatting DDoS attack

2009-08-29 Thread Michael Mansour
Hi, I've been working the past 8 hrs combatting DDoS attacks on websites and dedicated servers I host for clients. They're hitting one specific IP address, but coming from thousands of external IP addresses. I use: shorewall-4.0.10-3.noarch How can I tackle this? I've blocked many subnets in

Re: [Shorewall-users] Combatting DDoS attack

2009-08-29 Thread Christ Schlacta
I'm aware of, but have never tried a technique called tarpitting that is supposed to be very useful in your situation. On Aug 29, 2009, at 1:18, Michael Mansour wrote: > Hi, > > I've been working the past 8 hrs combatting DDoS attacks on websites > and dedicated servers I host for clients. >

Re: [Shorewall-users] Combatting DDoS attack

2009-08-29 Thread Vieri Di Paola
--- On Sat, 8/29/09, Christ Schlacta wrote: > I'm aware of, but have never tried a > technique called tarpitting that  > is supposed to be very useful in your situation. I think that the TARPIT target has made it into the latest kernels/iptables but I haven't checked. I don't know if shorewal

Re: [Shorewall-users] Combatting DDoS attack

2009-08-29 Thread Tom Eastep
Vieri Di Paola wrote: > --- On Sat, 8/29/09, Christ Schlacta wrote: > >> I'm aware of, but have never tried a >> technique called tarpitting that >> is supposed to be very useful in your situation. > > I think that the TARPIT target has made it into the latest kernels/iptables > but I haven't

Re: [Shorewall-users] Combatting DDoS attack

2009-08-29 Thread Jerry Vonau
On Sat, 2009-08-29 at 01:18 -0700, Michael Mansour wrote: > Hi, > > I've been working the past 8 hrs combatting DDoS attacks on websites and > dedicated servers I host for clients. > > They're hitting one specific IP address, but coming from thousands of > external IP addresses. > > I use: >

Re: [Shorewall-users] Combatting DDoS attack

2009-08-29 Thread Tom Eastep
Christ Schlacta wrote: > I'm aware of, but have never tried a technique called tarpitting that > is supposed to be very useful in your situation. tarpitting a DDOS attack against a legitimate website takes the site offline. The TARPIT target is available in xtables-addons and it is easy to cons

[Shorewall-users] ipv6

2009-08-29 Thread Vieri Di Paola
Hello, I'm reading this guide on ipv6 (really just getting my "feet wet"): http://www.shorewall.net/6to4.htm In the section "Configuring IPv6 using my script" I can read that the IPv6 interfaces are: INTERFACES="eth2 eth4" and that correlates fine with the first diagram/figure. However, further

Re: [Shorewall-users] Combatting DDoS attack

2009-08-29 Thread Laurent Caron
Le 29 août 2009 à 10:18, Michael Mansour a écrit : > Hi, > > I've been working the past 8 hrs combatting DDoS attacks on websites > and dedicated servers I host for clients. > > They're hitting one specific IP address, but coming from thousands > of external IP addresses. > > I use: > >

Re: [Shorewall-users] Combatting DDoS attack

2009-08-29 Thread Christ Schlacta
I found the article I was reading before about a tarpitting solution that doesn't simply take the website offline. http://www.secureworks.com/research/threats/ddos/ Tom Eastep wrote: > Christ Schlacta wrote: >> I'm aware of, but have never tried a technique called tarpitting that >> is suppose

[Shorewall-users] sad story:(

2009-08-29 Thread Christ Schlacta
I just lost all my shorewall6 configs and half my shorewall configs because I forgot to add them to the NoUpgrade list before I upgraded. I'm nearly in tears trying to fix it, and as always IRC support is useless in finding a solution to prevent it from happening again.. ---

Re: [Shorewall-users] sad story:(

2009-08-29 Thread Tom Eastep
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Christ Schlacta wrote: > I just lost all my shorewall6 configs and half my shorewall configs > because I forgot to add them to the NoUpgrade list before I upgraded. > > I'm nearly in tears trying to fix it, and as always IRC support is > useless in

Re: [Shorewall-users] sad story:(

2009-08-29 Thread Simon Hobson
Christ Schlacta wrote: >I just lost all my shorewall6 configs and half my shorewall configs >because I forgot to add them to the NoUpgrade list before I upgraded. > >I'm nearly in tears trying to fix it, and as always IRC support is >useless in finding a solution to prevent it from happening again.

Re: [Shorewall-users] sad story:(

2009-08-29 Thread Christ Schlacta
archlinux. and usually upgrading /etc by default is a good thing since most configs don't get changed by users and are essential to be up to date.. some packages have a backup section in their packages that specify files that may be modified by the users. shorewall isn't one of them. I had

Re: [Shorewall-users] sad story:(

2009-08-29 Thread Tom Eastep
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Christ Schlacta wrote: > archlinux. and usually upgrading /etc by default is a good thing since > most configs don't get changed by users and are essential to be up to > date.. I think the notion of replacing a config file on an upgrade is complete

Re: [Shorewall-users] sad story:(

2009-08-29 Thread Christ Schlacta
I'm familiar with backup procedures and systems, and have been pushing my wife (this is my home system) to let me buy or build one for quite some time, unfortunately it's simply not in the budget, whereas any downtime up to about three days is. that's how long it owuld take me to reestablish i

Re: [Shorewall-users] ipv6

2009-08-29 Thread Tom Eastep
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Vieri Di Paola wrote: > Hello, > > I'm reading this guide on ipv6 (really just getting my "feet wet"): > http://www.shorewall.net/6to4.htm > > In the section "Configuring IPv6 using my script" I can read that the IPv6 > interfaces are: > INTERFACES=

Re: [Shorewall-users] sad story:(

2009-08-29 Thread Terry Gilsenan
From: Christ Schlacta [aarc...@gmail.com] Sent: Sunday, 30 August 2009 5:48 AM To: Shorewall Users Subject: Re: [Shorewall-users] sad story:( I'm familiar with backup procedures and systems, and have been pushing my wife (this is my home system) to let me b