Re: bind unexpectedly quit, how to debug

2017-05-09 Thread G.W. Haywood
Hi there, On Tue, 9 May 2017, Paul Seward wrote: ... I'm not so much asking for a fix as asking how I can find more information. ... grep '\(released\|security\)' bind-9.10.5/CHANGES | head -n 90 -- 73, Ged. ___ Please visit https://lists.isc.org/

Re: bind unexpectedly quit, how to debug

2017-05-09 Thread Tony Finch
Paul Seward wrote: > > I thought I might get that sort of response, I'm not so much asking for a > fix as asking how I can find more information. It'll be one of the 42 CVEs in the table at the top of this page: https://kb.isc.org/article/AA-00913/74/BIND-9-Security-Vulnerability-Matrix.html I t

Re: bind unexpectedly quit, how to debug

2017-05-09 Thread Paul Seward
Hi Jim, I thought I might get that sort of response, I'm not so much asking for a fix as asking how I can find more information. We're in the process of migrating from this version of bind to something more recent - and may well use this incident as a lever to speed up some of the political hurdl

bind unexpectedly quit, how to debug

2017-05-09 Thread Paul Seward
Hi all, We've got some recursive-only servers running bind 9.8.1 on CentOS 6.9 (using 9.8.2rc1-RedHat-9.8.2-0.62.rc1.el6_9.1 from the CentOS repos) They've unexpectedly quit a couple of times in the last month, leaving errors like this in the logs: 09-May-2017 09:12:56.747 dnssec: info: validati

Re: How to debug BIND

2014-12-01 Thread Kaouthar Chetioui
Ok , Thank you 2014-12-01 10:49 GMT+00:00 Tony Finch : > Kaouthar Chetioui wrote: > > > > I don't find any name of source file (like message.c or name.c) or name > of > > function in this log file, so I can't understand excatly the process of > > resolution for dig command. > > The log module gi

Re: How to debug BIND

2014-12-01 Thread Tony Finch
Kaouthar Chetioui wrote: > > I don't find any name of source file (like message.c or name.c) or name of > function in this log file, so I can't understand excatly the process of > resolution for dig command. The log module gives you a rough idea of which part of the system emitted the log message

Re: How to debug BIND

2014-12-01 Thread Kaouthar Chetioui
thank very much for your answer, I have done it, and when I look at log file, I found a lot of information like this: 29-Nov-2014 18:09:58.121 general: debug 60: sockmgr 0xb77d7008: watcher got message -3 for socket 514 29-Nov-2014 18:09:58.121 general: debug 60: sockmgr 0xb77d7008: watcher got m

Re: How to debug BIND

2014-11-30 Thread Tony Finch
Kaouthar Chetioui wrote: > I want to know the exact path that follows bind to resolve a DNS query Try running $ rndc flush $ rndc trace 11 $ dig www.example.ma Then look at named's logs which will give you lots of details about queries, responses, and the parts of BIND involved in the process.

Re: How to debug BIND

2014-11-30 Thread Alex
Try option (+nodnssec): dig www.example.ma +trace +nodnssec On 11/30/2014 04:40 PM, Matus UHLAR - fantomas wrote: > On 30.11.14 11:24, Kaouthar Chetioui wrote: >> I have already use +trace it gives me the following answer, like this: > > no, it doeas not: > >> global options: +cmd > > you clearly

Re: How to debug BIND

2014-11-30 Thread Steven Carr
DIG is used to test/troubleshoot DNS queries. BIND logging is used to troubleshoot the BIND server itself. Which are you trying to debug? Also be mindful that BIND will cache any DNS entries it retrieves for the defined TTLs, so if you dig a second time chances are it's not going to go to the Inte

Re: How to debug BIND

2014-11-30 Thread Matus UHLAR - fantomas
On 30.11.14 11:24, Kaouthar Chetioui wrote: I have already use +trace it gives me the following answer, like this: no, it doeas not: global options: +cmd you clearly did not use +trace here. -- Matus UHLAR - fantomas, uh...@fantomas.sk ; http://www.fantomas.sk/ Warning: I wish NOT to recei

Re: How to debug BIND

2014-11-30 Thread Kaouthar Chetioui
I have already use +trace it gives me the following answer, like this: global options: +cmd . 518400 IN NS E.ROOT-SERVERS.NET. . 518400 IN NS G.ROOT-SERVERS.NET. . 518400 IN NS D.ROOT-SERVERS.NET. . 518400 IN NS H.ROOT-SERVERS.NET. . 518400 IN NS K.ROOT-SERVERS.NET. . 518400 IN NS B.ROOT-SERVERS.NE

Re: How to debug BIND

2014-11-30 Thread Steven Carr
On 30 November 2014 at 11:04, Kaouthar Chetioui wrote: > I want to know the exact path that follows bind to resolve a DNS query Please reply to the list not direct. The option you are looking for is +trace and needs to be invoked on the server/system that will be resolving the query for the clie

Re: How to debug BIND

2014-11-30 Thread Steven Carr
On 30 November 2014 at 01:22, Kaouthar Chetioui wrote: > I want to do full debug for BIND > > I use this command: dig www.example.ma -d What's the problem you are having? What are you expecting to see when you perform a debug? What is the real name you are trying to diagnose? Steve ___

How to debug BIND

2014-11-29 Thread Kaouthar Chetioui
Hi, I want to do full debug for BIND I use this command: dig www.example.ma -d and I have as result: cancel_lookup() check_if_done() list empty clear_query(0xb77c5010) sockcount=0 check_next_lookup(0x9915980) try_clear_lookup(0x9915980) destroy freeing server 0xb77c11b0 belonging to 0x9915980 st

Re: bind-9.7.2-P3 linux how to debug/troubleshoot query failures?

2011-02-03 Thread Barry Margolin
In article , Tory M Blue wrote: > Is there a documented method to troubleshoot, debug why a system > believes that they were unable to get an acceptable results from the > primary DNS server? Capture the DNS packets and see if you're sending to the primary in the first place and what the respo

bind-9.7.2-P3 linux how to debug/troubleshoot query failures?

2011-02-03 Thread Tory M Blue
Hey all, Well I'm reaching out as I'm at a loss. I have a distributed DNS architecture with 2 bind-9.7.2-P3 servers behind an F5 Loadbalancer. I then have another 2 behind another F5 at another location. My app servers are configured with their resolv.conf looking like: (please ignore the domain

Re: how to debug

2009-10-28 Thread Mark Andrews
> alone to do this , so anyone can give some guide how to debug the source > code =A1=A2 how to modify makefile and test result! I'll repeat what I said before "make clean" then "make". You don't need to touch configure or the Makefiles. You just need to do

how to debug

2009-10-28 Thread aihua zhang
HI, I have already analysis where to add new RR,and how to make it works. But i don't contact automake tool before, so reading so large configure and makefiles make me feel so bad. I try to understand ,but it just myself alone to do this , so anyone can give some guide how to debu