Monthly Archives: November 2013

Comet Ison Outburst takes it to naked eye visibility.

Comet Ison Comes to Life

Comet ISON Comes to Life

Veteran comet observer John Bortle reports that Comet ISON is undergoing a major outburst. It was six times brighter when he observed it this morning (November 14th) than on the previous morning.

Bortle noted a short, faint tail while viewing the comet through 15Γ—70 binoculars. At least one observer has reported seeing the comet without optical aid.

New Bruce Gary Images

Nov14

Animations and Images (C) Bruce Gary. Much more at http://brucegary.net/ISON/

Buddy the 4 week old Jack Russell

A few days ago a neighbour and friend of mine called and asked me if I knew anything about puppies. As he normally calls to ask me sort out his laptop (and he wasn’t asking about Puppy Linux!) I was a bit surprised. However there are two dog breeders in my family (now mainly retired) so I happily offered to help out.

To cut a long story short the pup had lost his mum at three weeks old and was being nurse-fed puppy substitute milk. A few days ago at 4 weeks old the vet advised to try offering him some solid puppy food in addition to the milk. Over the last 48 hours or so he has transformed from a poorly little thing that could barely stand into a running, bouncing, yelping, tail-wagging, chewing machine as his first teeth sprout.

Examined by the vet again yesterday they were delighted by his progress and all going well they won’t see him again for another two weeks when it is vaccination time.

Here he is sizing up a little toy giraffe. A few seconds later he pounced and was on top of the giraffe πŸ™‚

BBC News – Yasser Arafat ‘may have been poisoned with polonium’

Who Dunnit?

The BBC’s Yolande Knell: “People here in Ramallah have shown no surprise at these new findings”

Swiss scientists have confirmed that tests show the late Palestinian leader Yasser Arafat had high levels of radioactive polonium in his body.

However, they could not say whether polonium poisoning had caused his death in 2004.

Their report concluded that Arafat’s remains showed levels of polonium 18 times higher than normal.

Arafat’s widow, Suha, has reaffirmed to the BBC her belief that their report proves he was assassinated.

More at http://www.bbc.co.uk/news/world-middle-east-24851883

Battling the Bots – fail2ban seems to work

One thing that surprised me (well shocked me to be honest) after bringing this little site on line was waking up in the morning to find my server access logs had grown by megabytes over night. Closer inspection showed a small number of highly aggressive bots hitting web, mail and sshd servers. One bot alone tried many thousands of user/pass combinations on the email server, firing off up to fifty incoming threads at a time. Presumably it would have tried more but 50 was the server configuration limit.

So I decided to install fail2ban. By default fail2ban only has one rule enabled checking sshd but comes with predefined failure checking filters for most popular server software (web, email ftp etc) and example templates in the configuration file to enable logging of anything else desired. You can set how many failures per time interval are needed to trigger a ban and how long the ban will last. You can choose to ban the user only from that protocol or from all IP access. fail2ban creates rules in the firewall to implement the block.

Well, since turning on monitoring of attempted web, sshd, ftp and email intrusions I’ve been able to get up the next day without finding the odd 10 thousand attempted break-ins. So, so far, so good (touch wood)Β  and I can recommend fail2ban to anyone running any servers with incoming ports open to the Internet.

fail2ban output log

Output log from an older version of fail2ban from Wikipedia showing fail2ban at work

If you want to be more pro-active there’s a good article “Fail2ban setup for Apache” which shows how to block the bots as soon as they simply scan the site looking for vulnerabilities.

Hopefully that’s me done with the bots for now. Will see how it goes.