On Thu, Jun 03, 2004 at 02:24:06PM +0100, Gervase wrote:
> On Wed, 2004-06-02 at 15:49, Ron Snyder wrote:
>
> > if you do a 'dig database.clamav.net' or a 'host database.clamav.net', do
> > you get useful answers?
>
> No. Both merely say:
> "truncated, retrying in TCP mode,
> timed out -no servers could be reached".
>
> I am baffled, especially by the fact that the problem first occurred
> for no apparent reason while happily using Clamav 0.70.
Don't give up! Have you tried something along the lines of:
host google.co.uk
You should see something like:
google.co.uk A 216.239.59.104
google.co.uk A 216.239.39.104
google.co.uk A 216.239.57.104
If you don't, then I guess you have a problem interacting with your
name server. If it does work, then you could try:
traceroute google.co.uk
We go through a proxy here which is firewalled, so my traceroute is as
follows - but it shows the route up to and including the firewall so
you know its getting at least that far.
traceroute: Warning: google.co.uk has multiple addresses; using 216.239.39.104
traceroute to google.co.uk (216.239.39.104), 30 hops max, 38 byte packets
1 labgw-o (10.100.200.1) 0.540 ms 0.221 ms 0.110 ms
2 httpproxy-l (10.100.130.2) 0.321 ms 0.246 ms 0.200 ms
3 httpproxy-l (10.100.130.2) 0.348 ms 0.403 ms 0.316 ms
A similar exercise with database.clamav.net resulted in:
traceroute: Warning: database.clamav.net has multiple addresses; using
212.31.160.239
traceroute to db.europe.clamav.net (212.31.160.239), 30 hops max, 38 byte packets
1 labgw-o (10.100.200.1) 1.023 ms 0.513 ms 0.394 ms
2 httpproxy-l (10.100.130.2) 0.361 ms 0.440 ms 0.383 ms
3 httpproxy-l (10.100.130.2) 0.509 ms 0.465 ms 0.394 ms
What happens is you try:
host db.europe.clamav.net
I get:
db.europe.clamav.net A 193.19.98.136
db.europe.clamav.net A 193.52.101.131
db.europe.clamav.net A 193.138.115.108
db.europe.clamav.net A 193.225.86.3
db.europe.clamav.net A 195.13.43.28
db.europe.clamav.net A 195.70.36.141
db.europe.clamav.net A 195.92.99.99
db.europe.clamav.net A 212.14.28.36
db.europe.clamav.net A 212.31.160.239
db.europe.clamav.net A 212.162.12.159
db.europe.clamav.net A 213.184.16.3
db.europe.clamav.net A 213.203.254.4
db.europe.clamav.net A 62.210.153.201
db.europe.clamav.net A 80.69.67.3
db.europe.clamav.net A 147.229.3.16
db.europe.clamav.net A 152.66.249.132
db.europe.clamav.net A 193.1.219.100
What happens if you try:
host 193.19.98.136
I get:
Name: morden.dbplc.com
Address: 193.19.98.136
I think it would be worth persevering and if you have to specify a few
specific IP addresses for freshclam until you get your problem
resolved then it's not so terrible. If host works with google.co.uk
and it doesn't work with database.clamav.net then somewhere surely
there must be a firewall blocking TCP DNS requests?
Jo.
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