Luca,

On Sun, 2 Dec 2007, Luca Gibelli wrote:

> Hello G.W.,
>
> > My freshclam logs say that the mirror in Oxford, England has failed to
> > supply ClamAV database updates since about November 6th.  According to
>
> that's not true.

My impression is that the OP is correct. Unfortunately I haven't kept all
the evidence to back this up (though I guess the freshclam log might
reveal enough)

What I've been seeing is the expected behaviour for a broken mirror,
namely - repeated failures from that IP (80.82.245.8), and eventually
(after several days?) it will get 'blacklisted' by freshclam.  Some time
later we start trying it again, and - guess what?


> wget clamav.public-internet.co.uk/daily.cvd gives me the CVD from
> November 22nd.

Odd, that works for me too. Which is strange, because freshclam here
really isn't happy with the IP (see below) The last time I successfully
downloaded from it (and there have been a *lot* of failures since) was

ClamAV update process started at Mon Nov 19 22:56:00 2007
Querying current.cvd.clamav.net
TTL: 300
Software version from DNS: 0.91.2
main.cvd version from DNS: 44
main.cvd is up to date (version: 44, sigs: 133163, f-level: 20, builder:
sven)
daily.cvd version from DNS: 4848
Retrieving http://db.uk.clamav.net/daily-4847.cdiff
Trying to download http://db.uk.clamav.net/daily-4847.cdiff (IP: 80.82.245.8)
Downloading daily-4847.cdiff [100%]
cdiff_apply: Parsed 8 lines and executed 8 commands
Retrieving http://db.uk.clamav.net/daily-4848.cdiff
Trying to download http://db.uk.clamav.net/daily-4848.cdiff (IP: 80.82.245.8)
Downloading daily-4848.cdiff [100%]
cdiff_apply: Parsed 28 lines and executed 28 commands
Removing backup directory ./clamav-c5c1a27106f480c26a0a6a12b91074a8
daily.inc updated (version: 4848, sigs: 36392, f-level: 21, builder: sven)
Database updated (169555 signatures) from db.uk.clamav.net (IP: 80.82.245.8)



> > the database is about 9.6 days old as I write, but the problem goes
> > back far longer than that.  See for example:
> >
> > http://www.google.com/search?q=80.82.245.8+clamav
>
> you can find similar matches for almost every mirror, because every
> mirror has problems from time to time.
>
> > Is there something someone could do to deal with the unreliability of
> > this mirror?  If it can't be fixed I suggest removing it from the DNS.
>
> I usually give them about 1 week to fix the problem and then temporarily
> remove them from the round robin (that means you should see it disappear
> very soon).
> If the problem is not fixed after 1 month, the mirror is dropped.
>
> I'd like to remark that freshclam is not affected by broken mirrors and
> can always download the latest CVD as long as at least one of the
> mirrors in the RR is working correctly.


This time I definitely have to disagree with you. The following freshclam
log show it trying the same IP six times, then giving up completely. So,
for my money, we have both a broken mirror and a bug (ok, less than
desirable behaviour ;-) ...


> ClamAV update process started at Sun Dec  2 22:56:00 2007
> main.cvd is up to date (version: 44, sigs: 133163, f-level: 20, builder: sven)
> ERROR: getfile: daily-4970.cdiff not found on remote server (IP: 80.82.245.8)
> ERROR: getpatch: Can't download daily-4970.cdiff from db.uk.clamav.net
> ERROR: getfile: daily-4970.cdiff not found on remote server (IP: 80.82.245.8)
> ERROR: getpatch: Can't download daily-4970.cdiff from db.uk.clamav.net
> ERROR: getfile: daily-4970.cdiff not found on remote server (IP: 80.82.245.8)
> ERROR: getpatch: Can't download daily-4970.cdiff from db.uk.clamav.net
> WARNING: Incremental update failed, trying to download daily.cvd
> Downloading daily.cvd [  0%]
[...]
> Downloading daily.cvd [100%]
> WARNING: Mirror 80.82.245.8 is not synchronized.
> Trying again in 5 secs...
> ClamAV update process started at Sun Dec  2 22:56:28 2007
> main.cvd is up to date (version: 44, sigs: 133163, f-level: 20, builder: sven)
> ERROR: getfile: daily-4970.cdiff not found on remote server (IP: 80.82.245.8)
> ERROR: getpatch: Can't download daily-4970.cdiff from db.uk.clamav.net
> ERROR: getfile: daily-4970.cdiff not found on remote server (IP: 80.82.245.8)
> ERROR: getpatch: Can't download daily-4970.cdiff from db.uk.clamav.net
> ERROR: getfile: daily-4970.cdiff not found on remote server (IP: 80.82.245.8)
> ERROR: getpatch: Can't download daily-4970.cdiff from db.uk.clamav.net
> WARNING: Incremental update failed, trying to download daily.cvd
> Downloading daily.cvd [  0%]
[...]
> Downloading daily.cvd [100%]
> WARNING: Mirror 80.82.245.8 is not synchronized.
> Trying again in 5 secs...
> ClamAV update process started at Sun Dec  2 22:56:55 2007
> main.cvd is up to date (version: 44, sigs: 133163, f-level: 20, builder: sven)
> ERROR: getfile: daily-4970.cdiff not found on remote server (IP: 80.82.245.8)
> ERROR: getpatch: Can't download daily-4970.cdiff from db.uk.clamav.net
> ERROR: getfile: daily-4970.cdiff not found on remote server (IP: 80.82.245.8)
> ERROR: getpatch: Can't download daily-4970.cdiff from db.uk.clamav.net
> ERROR: getfile: daily-4970.cdiff not found on remote server (IP: 80.82.245.8)
> ERROR: getpatch: Can't download daily-4970.cdiff from db.uk.clamav.net
> WARNING: Incremental update failed, trying to download daily.cvd
> Downloading daily.cvd [  0%]
[...]
> Downloading daily.cvd [100%]
> WARNING: Mirror 80.82.245.8 is not synchronized.
> Giving up on db.uk.clamav.net...
> ClamAV update process started at Sun Dec  2 22:57:18 2007
> main.cvd is up to date (version: 44, sigs: 133163, f-level: 20, builder: sven)
> ERROR: getfile: daily-4970.cdiff not found on remote server (IP: 80.82.245.8)
> ERROR: getpatch: Can't download daily-4970.cdiff from database.clamav.net
> ERROR: getfile: daily-4970.cdiff not found on remote server (IP: 80.82.245.8)
> ERROR: getpatch: Can't download daily-4970.cdiff from database.clamav.net
> ERROR: getfile: daily-4970.cdiff not found on remote server (IP: 80.82.245.8)
> ERROR: getpatch: Can't download daily-4970.cdiff from database.clamav.net
> WARNING: Incremental update failed, trying to download daily.cvd
> Downloading daily.cvd [  0%]
[...]
> Downloading daily.cvd [100%]
> WARNING: Mirror 80.82.245.8 is not synchronized.
> Trying again in 5 secs...
> ClamAV update process started at Sun Dec  2 22:57:45 2007
> main.cvd is up to date (version: 44, sigs: 133163, f-level: 20, builder: sven)
> ERROR: getfile: daily-4970.cdiff not found on remote server (IP: 80.82.245.8)
> ERROR: getpatch: Can't download daily-4970.cdiff from database.clamav.net
> ERROR: getfile: daily-4970.cdiff not found on remote server (IP: 80.82.245.8)
> ERROR: getpatch: Can't download daily-4970.cdiff from database.clamav.net
> ERROR: getfile: daily-4970.cdiff not found on remote server (IP: 80.82.245.8)
> ERROR: getpatch: Can't download daily-4970.cdiff from database.clamav.net
> WARNING: Incremental update failed, trying to download daily.cvd
> Downloading daily.cvd [  0%]
[...]
> Downloading daily.cvd [100%]
> WARNING: Mirror 80.82.245.8 is not synchronized.
> Trying again in 5 secs...
> ClamAV update process started at Sun Dec  2 22:58:13 2007
> main.cvd is up to date (version: 44, sigs: 133163, f-level: 20, builder: sven)
> ERROR: getfile: daily-4970.cdiff not found on remote server (IP: 80.82.245.8)
> ERROR: getpatch: Can't download daily-4970.cdiff from database.clamav.net
> ERROR: getfile: daily-4970.cdiff not found on remote server (IP: 80.82.245.8)
> ERROR: getpatch: Can't download daily-4970.cdiff from database.clamav.net
> ERROR: getfile: daily-4970.cdiff not found on remote server (IP: 80.82.245.8)
> ERROR: getpatch: Can't download daily-4970.cdiff from database.clamav.net
> WARNING: Incremental update failed, trying to download daily.cvd
> Downloading daily.cvd [  0%]
[...]
> Downloading daily.cvd [100%]
> WARNING: Mirror 80.82.245.8 is not synchronized.
> Giving up on database.clamav.net...
> Update failed. Your network may be down or none of the mirrors listed in
> freshclam.conf is working. Check http://www.clamav.net/support/mirror-problem
> for possible reasons.


And here's an older one from a week or so ago, which shows
it giving up on that IP after five attempts, blacklisting it, and
successfully trying another one.


> ClamAV update process started at Fri Nov 23 23:57:01 2007
> main.cvd is up to date (version: 44, sigs: 133163, f-level: 20, builder: sven)
> ERROR: getfile: daily-4886.cdiff not found on remote server (IP: 80.82.245.8)
> ERROR: getpatch: Can't download daily-4886.cdiff from db.uk.clamav.net
> ERROR: getfile: daily-4886.cdiff not found on remote server (IP: 80.82.245.8)
> ERROR: getpatch: Can't download daily-4886.cdiff from db.uk.clamav.net
> ERROR: getfile: daily-4886.cdiff not found on remote server (IP: 80.82.245.8)
> ERROR: getpatch: Can't download daily-4886.cdiff from db.uk.clamav.net
> WARNING: Incremental update failed, trying to download daily.cvd
> Downloading daily.cvd [  0%]
> [...]
> Downloading daily.cvd [100%]
> WARNING: Mirror 80.82.245.8 is not synchronized.
> Trying again in 5 secs...
> ClamAV update process started at Fri Nov 23 23:57:28 2007
> main.cvd is up to date (version: 44, sigs: 133163, f-level: 20, builder: sven)
> ERROR: getfile: daily-4886.cdiff not found on remote server (IP: 80.82.245.8)
> ERROR: getpatch: Can't download daily-4886.cdiff from db.uk.clamav.net
> ERROR: getfile: daily-4886.cdiff not found on remote server (IP: 80.82.245.8)
> ERROR: getpatch: Can't download daily-4886.cdiff from db.uk.clamav.net
> ERROR: getfile: daily-4886.cdiff not found on remote server (IP: 80.82.245.8)
> ERROR: getpatch: Can't download daily-4886.cdiff from db.uk.clamav.net
> WARNING: Incremental update failed, trying to download daily.cvd
> Downloading daily.cvd [  0%]
> [...]
> Downloading daily.cvd [100%]
> WARNING: Mirror 80.82.245.8 is not synchronized.
> Trying again in 5 secs...
> ClamAV update process started at Fri Nov 23 23:57:56 2007
> main.cvd is up to date (version: 44, sigs: 133163, f-level: 20, builder: sven)
> ERROR: getfile: daily-4886.cdiff not found on remote server (IP: 80.82.245.8)
> ERROR: getpatch: Can't download daily-4886.cdiff from db.uk.clamav.net
> ERROR: getfile: daily-4886.cdiff not found on remote server (IP: 80.82.245.8)
> ERROR: getpatch: Can't download daily-4886.cdiff from db.uk.clamav.net
> ERROR: getfile: daily-4886.cdiff not found on remote server (IP: 80.82.245.8)
> ERROR: getpatch: Can't download daily-4886.cdiff from db.uk.clamav.net
> WARNING: Incremental update failed, trying to download daily.cvd
> Downloading daily.cvd [  0%]
> [...]
> Downloading daily.cvd [100%]
> WARNING: Mirror 80.82.245.8 is not synchronized.
> Giving up on db.uk.clamav.net...
> ClamAV update process started at Fri Nov 23 23:58:18 2007
> main.cvd is up to date (version: 44, sigs: 133163, f-level: 20, builder: sven)
> ERROR: getfile: daily-4886.cdiff not found on remote server (IP: 80.82.245.8)
> ERROR: getpatch: Can't download daily-4886.cdiff from database.clamav.net
> ERROR: getfile: daily-4886.cdiff not found on remote server (IP: 80.82.245.8)
> ERROR: getpatch: Can't download daily-4886.cdiff from database.clamav.net
> ERROR: getfile: daily-4886.cdiff not found on remote server (IP: 80.82.245.8)
> ERROR: getpatch: Can't download daily-4886.cdiff from database.clamav.net
> WARNING: Incremental update failed, trying to download daily.cvd
> Downloading daily.cvd [  0%]
> [...]
> Downloading daily.cvd [100%]
> WARNING: Mirror 80.82.245.8 is not synchronized.
> Trying again in 5 secs...
> ClamAV update process started at Fri Nov 23 23:58:46 2007
> main.cvd is up to date (version: 44, sigs: 133163, f-level: 20, builder: sven)
> ERROR: getfile: daily-4886.cdiff not found on remote server (IP: 80.82.245.8)
> ERROR: getpatch: Can't download daily-4886.cdiff from database.clamav.net
> ERROR: getfile: daily-4886.cdiff not found on remote server (IP: 80.82.245.8)
> ERROR: getpatch: Can't download daily-4886.cdiff from database.clamav.net
> ERROR: getfile: daily-4886.cdiff not found on remote server (IP: 80.82.245.8)
> ERROR: getpatch: Can't download daily-4886.cdiff from database.clamav.net
> WARNING: Incremental update failed, trying to download daily.cvd
> ERROR: getfile: Unknown response from remote server (IP: 80.82.245.8)
> ERROR: Can't download daily.cvd from database.clamav.net
> Trying again in 5 secs...
> ClamAV update process started at Fri Nov 23 23:58:51 2007
> main.cvd is up to date (version: 44, sigs: 133163, f-level: 20, builder: sven)
> Ignoring mirror 80.82.245.8 (due to previous errors)
> Trying host database.clamav.net (163.1.3.8)...
> Downloading daily-4886.cdiff [100%]
> Downloading daily-4886.cdiff [100%]
> Downloading daily-4887.cdiff [100%]
> Downloading daily-4887.cdiff [100%]
> Downloading daily-4888.cdiff [100%]
> Downloading daily-4888.cdiff [100%]
> Downloading daily-4889.cdiff [100%]
> Downloading daily-4889.cdiff [100%]
> Downloading daily-4890.cdiff [100%]
> Downloading daily-4890.cdiff [100%]
> Downloading daily-4891.cdiff [100%]
> Downloading daily-4891.cdiff [100%]
> Downloading daily-4892.cdiff [100%]
> Downloading daily-4892.cdiff [100%]
> Downloading daily-4893.cdiff [100%]
> Downloading daily-4893.cdiff [100%]
> daily.inc updated (version: 4893, sigs: 37101, f-level: 21, builder: ccordes)
> Database updated (170264 signatures) from database.clamav.net (IP: 163.1.3.8)



Regards,
 Richard Hall

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