AW: [IMail Forum] OT: Bombarded by bad DNS queries

2007-11-16 Thread Martin Schaible
Hi, If you're living in the windows world, i recommend "SimpleDNS Plus". It works perfectly, we never had any problems with it. Mit freundlichen GrĂ¼ssen --- Merlin Consulting | Martin Schaible Bahnhofstrasse 27 |

Re: [IMail Forum] OT: Bombarded by bad DNS queries

2007-11-16 Thread Rod Dorman
On Friday, November 16, 2007, 08:36:46, Joe Wolf wrote: > ... > The only time I've ever tried BIND was many years ago when it wasn't > stable on Windows. I don't know anything about it now. > > All we need is a simple, FAST, DNS resolver for our mail servers. > > Anyone know of something better

Re[2]: [IMail Forum] OT: Bombarded by bad DNS queries

2007-11-16 Thread Sanford Whiteman
> We were running a DNS resolver at 66.90.70.50. This DNS server was > not authoritative for any domains... had none setup... just a > resolver. "Recursor". "Resolver" = the client originating the DNS, e.g. GetHostByName(), lookup. > We deleted MS DNS from 66.90.70.50 so that mach

RE: [IMail Forum] OT: Bombarded by bad DNS queries

2007-11-16 Thread Jeff Hitchcock
SimpleDNS allows recursion for IP address ranges (your subnets) and specific IP addresses (your friend's static IP). It also allows several responses to recursion requests from non-authorized hosts, including responding with a "refused" error message, not responding at all (Len's suggestion and my

RE: [IMail Forum] OT: Bombarded by bad DNS queries

2007-11-16 Thread Len Conrad
We use SimpleDNS (www.simpledns.com) and have had no problems. Easy operation and allows you to turn off recursion .. all or nothing recursion won't work, because recursion has to be: 1) allowed for his IPs 2) denied for not-his-IPs. and has a "do not respond" feature which slows down an

Re: [IMail Forum] 8.22 webmail unresponsive

2007-11-16 Thread Stephen Guluk
On Nov 16, 2007, at 7:49 AM, Don Kuhwarth wrote: Yes, all the patches and hotfixes. I'll try defraging the drive. Thanks! And put some RAM in that box for Christ's sake man... :) Regards, Steve Guluk SGDesign (949) 661-9333 ICQ: 7230769

RE: [IMail Forum] OT: Bombarded by bad DNS queries

2007-11-16 Thread Diarmaid Mac Aonghusa
.. all or nothing recursion won't work, because recursion has to be: 1) allowed for his IPs 2) denied for not-his-IPs. Hi Sorry should have specified that SimpleDNS does allow this - that is how we have it setup. Regards Diarmaid To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.

RE: [IMail Forum] OT: Bombarded by bad DNS queries

2007-11-16 Thread Diarmaid Mac Aonghusa
>> All we need is a simple, FAST, DNS resolver for our mail servers. We use SimpleDNS (www.simpledns.com) and have had no problems. Easy operation and allows you to turn off recursion and has a "do not respond" feature which slows down any attacks Diarmaid To Unsubscribe: http://www.ips

[IMail Forum] OT: Bombarded by bad DNS queries

2007-11-16 Thread Andy Schmidt
>> From: "Joe Wolf" <[EMAIL PROTECTED]> >> Subject: [IMail Forum] OT: Bombarded by bad DNS queries >> Example: We run dns1.abcd.com on 1.1.1.1 and this guy has published = ns2.pornsite.com on our IP Address of 1.1.1.1 << Let's be specific - are you saying the root server for your name space (e.g

Re: [IMail Forum] OT: Bombarded by bad DNS queries

2007-11-16 Thread Mike N.
ROFL! But with this many requests, it may be a simple DDOS. If they were real requests, the requesting client ISP's would cache a negative response for 15 minutes. - Original Message - From: SJ.Stanaitis To: Imail_Forum@list.ipswitch.com Sent: Friday, November 16, 2007 8:15

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2007-11-16 Thread andyb
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RE: [IMail Forum] OT: Bombarded by bad DNS queries

2007-11-16 Thread SJ.Stanaitis
Create zones for the domains in question and point the records to Disney.com. That will turn them off to porn for the rest of their lives. Either that - or if these servers are just for you - disable recursion and only allow recursion for known IP ranges (if you're using BIND). I've never been c

RE: [IMail Forum] OT: Bombarded by bad DNS queries

2007-11-16 Thread Dan Barker
If the machine is "Internal Use Only" caching DNS, why does it even have a public IP? It should not even need one. Dan _ From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Joe Wolf Sent: Thursday, November 15, 2007 9:27 PM To: Imail_Forum@list.ipswitch.com Subject: [IMail Fo