Re: «tsig verify failure» only on some zones

2010-08-18 Thread Mark Andrews
First thing. Ensure that the nameservers are properly ntp synced. This should get rid of mosr timing issues. Secondly, for the failing zone run tcpdump on both ends and compare the TCP payload of the packets. They should be byte for byte identical. If they differ then the NAT box is fiddling w

Re: «tsig verify failure» only on some zones

2010-08-18 Thread Joachim Tingvold
On Wed, Aug 18, 2010, at 00:42:40AM GMT+02:00, Hauke Lampe wrote: What TSIG algorithms do you use and how long are the keys? HMAC-MD5, 128 bit. The keys are 24 chars long. I'll try to test with another algorithm, however I find it quite strange; if it works for some zones, why doesn't it wo

Re: «tsig verify failure» only on some zones

2010-08-17 Thread Hauke Lampe
Joachim Tingvold wrote: > During initial startup of NS3, most zones gets «tsig verify failure»,   > but some zones are successfully transferred. All zones uses the same   > transfer-key. > Could this be an issue with different BIND-versions, or are there   > other matters that could cause

«tsig verify failure» only on some zones

2010-08-17 Thread Joachim Tingvold
Hi, I've been trying to wrap my head around this for a while now, so I thought I'd ask around here. For a while, I've had two nameservers, one master (let's call this NS1), one slave (let's call this NS2) -- which has been working flawlessly. They've both run BIND 9.6-ESV-R1 on Debian Len