Tue, Feb 17, 2015 8:20 pm
Kaspersky Small Office Security 3 Proxy server is not found
On a system running Small Office Security 3 from
Lab International Ltd.
, I was notified that
the antivirus database was not up-to-date. When I had the software attempt
to update the virus definitions, I saw the message "Update Center: Task
failed. Proxy server is not found."
When I viewed the details, the "Detailed report" showed "
Update Center: failure (65)"
I then realized I had recently configured Internet Explorer on the system
to use a SOCKS proxy server - see
Configuring IE 10 to use an SSH SOCKS Proxy Server - so Kaspersky Small
Office Security 3 must automatically use the system proxy settings,
since I had not altered the configuration of the Kaspersky software,
but be unable to communicate with sites if the system proxy setting is
configured to use a SOCKS proxy rather than an HTTP proxy. I encountered
the same issue with Firefox when it was configured to use the system
I configured Internet Explorer not to use a proxy server and then clicked
on the update button within Kaspersky Small Office Security 3. It was then
able to update its databases.
Tue, Feb 17, 2015 5:43 pm
Changing the Forwarders in the DNS Manager for Windows Server 2012
If a Windows Server 2012 system is functioning as a DNS server and you need
to change the DNS servers it is using as
, i.e., the ones to which it is forwarding DNS requests for
external DNS names it can't resolve locally, take the following steps:
Use Ctrl-Esc to get to the Start window where you can click on
Double-click on DNS.
In the right pane of the DNS Manager window, double-click on
Click on the Edit button to edit the list of forwarders. You can
then add, delete, or modify IP adresses for forwarders.
Click on OK once you have made the needed changes, then click on
OK again. You can then close the DNS Manager window.
A DNS server that is configured to use a forwarder functions as follows:
When the DNS server receives a query, it will attempt to resolve the query by
using the zones that it hosts and by using its cache.
If it can't resolve the query using local data, the DNS server forwards the
query to a DNS server that is designated as a forwarder.
If no forwarders are available, the DNS server will attempt to use its root
hints to resolve the query.
When a DNS server forwards a query to a forwarder, it sends a recursive
query to a DNS server designated as a forwarder rather than an iterative
query that a DNS server sends to another DNS server during standard name
resolution (name resolution that does not involve a forwarder).
If you would like further information on forwarders and conditional
Tue, Feb 17, 2015 11:46 am
Reverting to a prior revision in Google Sheets
I sorted a spreadsheet created in
column containing a date in order to revert to my original ordering of the
data after sorting on a column containing numbers. The spreadsheet had
a header row and another row at the bottom of the column where I summed
values in the column I had first sorted on. I was hoping merely to undo
the result of the numerical sort and get back to the sorting by date,
but I found that the sort on the date column put the header row at the
bottom of the worksheet along with the monthly sort by numeric value,
i.e., it sorted on those rows as well. I could have avoided including
those in the sort by selecting just the rows I wanted sorted by clicking
on the first row I wanted sorted and then the last one while holding
down the shift key, but I hadn't done that.
I couldn't find any way to unsort the data, i.e., to turn off the sorting
to revert to my original ordering, but Google Sheets does provide
the capability to revert to a prior version of a document. To do so,
click on "File" at the top of the workbook then select "See revision
history", which you can also get to by Ctrl+Alt+Shift+G. You will then
see a "Revision history" list with the times of prior revisions. You can
select one of those to restore a prior version of the workbook. When you
click on the entry for a prior revision, a link will appear beneath it
to "Restore this revision". You will also be shown the workbook as it
looked for the prior revision, so you can decide whether that is the
revision you wish to restore before actually restoring it.
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