Bind And Linux RedHat 6.2

Amir sorvih1 at isdn.net.il
Mon Jul 24 11:38:51 UTC 2000


One question comes to mind : if you have rh6.2 , which installs bind 8.2.2
by default ,how can you
have bind 8.2.1 ? did you actually DOWNgrade into one of the most buggiest
versions of bind ?
8.2.1 is very buggy , and probably turns to zombie because of denial of
service attacks..
the selinger.c bug can do that , and the NXT record bug can crack your
system wide open..
upgrade to 8.2.2 if you know what's good for you..
Amir







-----Original Message-----
From: news at news.switch.ch [mailto:news at news.switch.ch]On Behalf Of Asaf
Klibansky
Sent: Sunday, July 23, 2000 10:50 AM
To: comp-protocols-dns-bind at moderators.isc.org
Subject: Bind And Linux RedHat 6.2


Hi Everyone.

i am running a major DNS server and i experienced some problems in the past
few weeks.

it seem the service turns to zombie leaving the port (53) open but the
server does not resolve any queries.
have anyone ever experiencd a problem like this:

is there s solution to it?

Here is my information:

Linux RedHat 6.2 - Kernel 2.2.12-20
Bind-8.2.1

My /var/log/messages looks like this:

Jul 23 10:43:22 prddns01 named[943]: starting.  named 8.2.1 Fri Sep 24
14:52:24 EDT 1999 root at porky.devel.red
Jul 23 10:43:22 prddns01 named[943]: hint zone "" (IN) loaded (serial 0)
Jul 23 10:43:22 prddns01 named[943]: Zone "ynet.co.il" (file
/etc/ynet.co.il.hosts): No default TTL set using S
Jul 23 10:43:22 prddns01 named: Zone "ynet.co.il" (file
/etc/ynet.co.il.hosts): No default TTL set using SOA mi
Jul 23 10:43:22 prddns01 named[943]: /etc/ynet.co.il.hosts: WARNING SOA
expire value is less than 7 days (43200
Jul 23 10:43:22 prddns01 named[943]: master zone "ynet.co.il" (IN) loaded
(serial 2000043037)
Jul 23 10:43:22 prddns01 named[943]: Zone "80.115.192.in-addr.arpa" (file
/etc/192.115.80.rev): No default TTL
Jul 23 10:43:22 prddns01 named[943]: /etc/192.115.80.rev: WARNING SOA expire
value is less than 7 days (432000)
Jul 23 10:43:22 prddns01 named[943]: master zone "80.115.192.in-addr.arpa"
(IN) loaded (serial 950353508)
Jul 23 10:43:22 prddns01 named[943]: Zone "9.22.10.in-addr.arpa" (file
/etc/10.22.9.rev): No default TTL set us
Jul 23 10:43:22 prddns01 named[943]: /etc/10.22.9.rev: WARNING SOA expire
value is less than 7 days (432000)
Jul 23 10:43:22 prddns01 named[943]: master zone "9.22.10.in-addr.arpa" (IN)
loaded (serial 950353528)
Jul 23 10:43:22 prddns01 named: /etc/ynet.co.il.hosts: WARNING SOA expire
value is less than 7 days (432000)
Jul 23 10:43:22 prddns01 named: master zone "ynet.co.il" (IN) loaded (serial
2000043037)
Jul 23 10:43:22 prddns01 named: Zone "80.115.192.in-addr.arpa" (file
/etc/192.115.80.rev): No default TTL set u
Jul 23 10:43:22 prddns01 named: /etc/192.115.80.rev: WARNING SOA expire
value is less than 7 days (432000)
Jul 23 10:43:22 prddns01 named: master zone "80.115.192.in-addr.arpa" (IN)
loaded (serial 950353508)
Jul 23 10:43:22 prddns01 named: Zone "9.22.10.in-addr.arpa" (file
/etc/10.22.9.rev): No default TTL set using S
Jul 23 10:43:22 prddns01 named: /etc/10.22.9.rev: WARNING SOA expire value
is less than 7 days (432000)
Jul 23 10:43:22 prddns01 named: master zone "9.22.10.in-addr.arpa" (IN)
loaded (serial 950353528)
Jul 23 10:43:22 prddns01 named: Zone "y-net.co.il" (file
/etc/y-net.co.il.hosts): No default TTL set using SOA
Jul 23 10:43:22 prddns01 named[943]: Zone "y-net.co.il" (file
/etc/y-net.co.il.hosts): No default TTL set using
Jul 23 10:43:22 prddns01 named: /etc/y-net.co.il.hosts: WARNING SOA expire
value is less than 7 days (432000)
Jul 23 10:43:22 prddns01 named[943]: /etc/y-net.co.il.hosts: WARNING SOA
expire value is less than 7 days (4320
Jul 23 10:43:22 prddns01 named: master zone "y-net.co.il" (IN) loaded
(serial 950355031)
Jul 23 10:43:22 prddns01 named[943]: master zone "y-net.co.il" (IN) loaded
(serial 950355031)
Jul 23 10:43:22 prddns01 named: listening on [127.0.0.1].53 (lo)
Jul 23 10:43:22 prddns01 named[943]: listening on [127.0.0.1].53 (lo)
Jul 23 10:43:22 prddns01 named: listening on [192.115.80.31].53 (eth0)
Jul 23 10:43:22 prddns01 named[943]: listening on [192.115.80.31].53 (eth0)
Jul 23 10:43:22 prddns01 named: listening on [10.22.9.31].53 (eth1)
Jul 23 10:43:22 prddns01 named[943]: listening on [10.22.9.31].53 (eth1)
Jul 23 10:43:22 prddns01 named: Forwarding source address is [0.0.0.0].1037
Jul 23 10:43:22 prddns01 named[943]: Forwarding source address is
[0.0.0.0].1037
Jul 23 10:43:23 prddns01 named: named startup succeeded
Jul 23 10:43:23 prddns01 named[944]: Ready to answer queries.
Jul 23 10:43:40 prddns01 named[944]: Sent NOTIFY for "ynet.co.il IN SOA"
(ynet.co.il); 1 NS, 1 A
Jul 23 10:43:40 prddns01 named[944]: Received NOTIFY answer for "ynet.co.il
IN SOA"











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