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Special Forums Windows & DOS: Issues & Discussions Home Questions Tags Users Unanswered Windows 2016 DNS server returns SERVFAIL for non-existing doma Post 303043616 by vbe on Sunday 2nd of February 2020 06:59:21 AM
Old 02-02-2020
Hi,
Here you nail pin the problem of big structures, the lack of communication between the different responsibilities:
We Unix people never get clear answers from security team or network team, it is you that have to show the others the issue, and its cause before they take into account, mainly because in the case of DNS and proxies e.g they see no problems with Window servers when you are trying something on your lan that is not working as expected it becomes a nightmare having to test things that are not in your hands like the network it goes with trying a similar config on 2 other servers, if it works there, try to figure out what can be the culprit... In other words you have to suggest ( because never a good idea to blame the others for not doing their work seriously...) by showing the case that works and the one that doesnt that it may be a misconfiguration of a port in a switch as you have already changed the cabling with new and not more success... or are you filtered? etc...
I suggest you look with the Windows server team to see if they also have the same issue, and work together to try to explain at the Network team the issue
 
Test Your Knowledge in Computers #561
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GDB is a command line debugger.
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GENTEST(1)							    Test Suite								GENTEST(1)

NAME
gentest - Run random generic SMB operations against two SMB servers and show the differences in behavior SYNOPSIS
gentest {//server1/share1} {//server2/share2} {-U user%pass} {-U user%pass} [-s seed] [-o numops] [-a] [-A] [-i FILE] [-O] [-S FILE] [-L] [-F] [-C] [-X] DESCRIPTION
gentest is a utility for detecting differences in behaviour between SMB servers. It will run a random set of generic operations against //server1/share1 and then the same random set against //server2/share2 and display the differences in the responses it gets. This utility is used by the Samba team to find differences in behaviour between Samba and Windows servers. OPTIONS
-U user%pass Specify the user and password to use when logging on on the shares. This parameter is mandatory and has to be specified twice. -s seed Seed the random number generator with the specified value. -o numops Set the number of operations to perform. -a Print the operations that are performed. -A Backtrack to find minimal number of operations required to make the response to a certain call differ. -i FILE Specify a file containing the names of fields that have to be ignored (such as time fields). See below for a description of the file format. -O Enable oplocks. -S FILE Set preset seeds file. The default is gentest_seeds.dat. -L Use preset seeds -F Fast reconnect (just close files) -C Continuous analysis mode -X Analyse even when the test succeeded. VERSION
This man page is correct for version 4.0 of the Samba suite. SEE ALSO
Samba AUTHOR
This utility is part of the Samba[1] suite, which is developed by the global Samba Team[2]. gentest was written by Andrew Tridgell. This manpage was written by Jelmer Vernooij. NOTES
1. Samba http://www.samba.org/ 2. Samba Team http://www.samba.org/samba/team/ Samba 4.0 06/17/2014 GENTEST(1)

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