Re: I'm having thousands of queries a domain isc.org and this increases my cpu percentage to 100%. That may be happening and how I can control this? is an attack? attachment of the log I made an updat

2013-04-16 Thread Kebba Foon
On Tue, 2013-04-16 at 05:27 -0400, Barry Margolin wrote: In article mailman.130.1366101804.20661.bind-us...@lists.isc.org, Matus UHLAR - fantomas uh...@fantomas.sk wrote: they apparently expect your nameserver to provide resursive DNS service for your company while it may not be intended

Re: I'm having thousands of queries a domain isc.org and this increases my cpu percentage to 100%. That may be happening and how I can control this? is an attack? attachment of the log I made an updat

2013-04-16 Thread Kebba Foon
On Tue, 2013-04-16 at 13:00 +0100, Phil Mayers wrote: On 16/04/13 12:41, Kebba Foon wrote: my server is not an open recursive server its only open to my clients and these are not even from my country. You're right, it's probably a spoofed-source DNS amplification attack. If your DNS

limiting number of recursion/queries per IP address

2010-10-26 Thread Kebba Foon
Dear List, Is is possible to limit the number of recursion/queries per IP address. there is some kind of virus thats bombarding my dns servers with a lot of queries, i realize that when ever the total number of recursion clients reach 1000 dns resolution stop working. i have increase the

RE: limiting number of recursion/queries per IP address

2010-10-26 Thread Kebba Foon
- From: bind-users-bounces+tsnyder=rim@lists.isc.org [mailto:bind-users-bounces+tsnyder=rim@lists.isc.org] On Behalf Of Kebba Foon Sent: Tuesday, October 26, 2010 2:27 PM To: bind-users@lists.isc.org Subject: limiting number of recursion/queries per IP address Dear List

Re: DNS issue

2010-08-30 Thread Kebba Foon
On Sun, 2010-08-29 at 10:22 +0100, Agarwal Vivek-RNGB36 wrote: Hi All I am using ISC-BIND 9.3.4 as a DNS Server. Im facing an issue that Im getting lot of Queries as like Root: type NS, class IN. This is leading to high CPU Utilization of my system. Can anyone help me that how can I solve

Re: recursing stop at about 1000 clients

2010-07-19 Thread Kebba Foon
Thanks for the tips, i once saw this errors on my log file, too many files open but i fix that with setting ulimit -n 1824. i will try to donwload the bind-9.7.1-P2. On Sun, 2010-07-18 at 08:20 +1000, Noel Butler wrote: On Fri, 2010-07-16 at 08:41 +, Kebba Foon wrote: am running

Re: recursing stop at about 1000 clients

2010-07-15 Thread Kebba Foon
i did i set my recursive-clients to 1 but it does not help. On Thu, 2010-07-15 at 20:21 +1000, Noel Butler wrote: UDP ___ bind-users mailing list bind-users@lists.isc.org https://lists.isc.org/mailman/listinfo/bind-users

recursing stop at about 1000 clients

2010-07-14 Thread Kebba Foon
Hi List i have been having issues with my dns server for a while now, my server suddently stops answering to queries. i notice that this happen when every my recursive clients is more that a thousand, as per the result of rndc status. any help about this will highly be welcome Thanks Kebba

Re: Bind DNS server not resloving

2010-07-08 Thread Kebba Foon
20:43, Kebba Foon wrote: Subject: Bind DNS server not resloving From: Kebba Foon kebba.f...@qcell.gm To: bind-us...@isc.org In-Reply-To: 1278507529.20977.20.ca...@hoth.netnod.se References: 1278501226.20977.7.ca...@hoth.netnod.se 20100707124157.190...@gmx.net 1278507529.20977.20

Bind DNS server not resloving

2010-07-07 Thread Kebba Foon
Hi I have been experience DNS resolutions problems these past few days, if i run nslookup i get this error: ;; connection timed out; no servers could be reached with dig +trace i get: ; DiG 9.6-ESV-R1 @my ns server ip espn.com +trace ; (1 server found) ;; global options: +cmd ;; connection

error: isc_socket_create: fcntl/reserved: Too many open files

2010-06-07 Thread kebba . foon
Hi list, i keep having this error repeatedly on my bind 9.5.1-P3 and it crash my server am using debian lenny 5.0 and there is not upgrade for bind on thier repository. any help thanks 07-Jun-2010 17:04:08.058 general: error: isc_socket_create: fcntl/reserved: Too many open files 07-Jun-2010

bind security: warning

2010-06-04 Thread kebba . foon
Dear list am using BIND 9.5.1-P3 recently am been have lots of issues with my cache server. at one point it was not resolving any queries. please help, this is the log that keeps showing up on my server, 04-Jun-2010 19:20:47.200 security: warning: client 41.223.214.27#8222: RFC 1918 response from