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[opensuse] Freshclam dns problem
  • From: "Wilfred van Velzen" <wvvelzen@xxxxxxxxx>
  • Date: Fri, 2 Mar 2007 11:53:06 +0100
  • Message-id: <ab7d85360703020253g3de4b051g581f39f887b0f443@xxxxxxxxxxxxxx>
Hi,

I'm having a dns problem with freshclam. Whenever it tries to check
for updates, it reports the following in it's log file:

WARNING: Can't query current.cvd.clamav.net
WARNING: Invalid DNS reply. Falling back to HTTP mode.

(The fall back to http works, so the problem is minimal, but I would
like to fix the dns problem)

So:

# host -t txt current.cvd.clamav.net
current.cvd.clamav.net has no TXT record

This is in line with the freshclam problem, but:

# host -a current.cvd.clamav.net
Trying "current.cvd.clamav.net"
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 64641
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;current.cvd.clamav.net.                IN      ANY

;; ANSWER SECTION:
current.cvd.clamav.net. 895     IN      TXT     "0.90:42:2690:1172752141:1"

Received 78 bytes from 192.168.0.99#53 in 21 ms

Hmm, there is the TXT record anyway, and right away:

# host -t txt current.cvd.clamav.net
current.cvd.clamav.net descriptive text "0.90:42:2690:1172752141:1"

This works for a while but after some time the previous response reappears:

# host -t txt current.cvd.clamav.net
current.cvd.clamav.net has no TXT record

So freshclam keeps giving the Warnings...

This is on an OpenSuse 10.2 server, which communicates with a
firewall/dns-server (also OpenSuse 10.2). The firewall/dns-server
machine doesn't have the same symptoms, there the 'host -t txt
current...' command gets the correct response every time. However a
Suse 9.0 server on the same network has the same problem!?

What could be the problem? And how do I fix it?

--

Bye, Wilfred.
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