Category Archives: Computing

Posts about computing and computing related matters

All Change!!

Posted on March 17, 2024 by Steve

Finally took the big leap and moved the site off WordPress and onto Classic Press. There are several reasons for this with the primary ones being WordPress’s bloated code base and its jetpack plugin trying to basically make everyone else’s … Continue reading →

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More Botnet stats

Posted on August 5, 2017 by Steve

So I upgraded Fail2ban and so had to restart it. As it stores it’s bans in a database it can restore them at start up. And what a depressingly long list it is for the botnet: 2017-08-05 14:58:20,149[dovecot-disconnect] Ban 1.163.34.115 … Continue reading →

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Botnet still chugging along

Posted on June 13, 2017 by Steve

Its still going: Jun 12 18:41:25 Debussy dovecot: imap-login: Disconnected (auth failed, 1 attempts in 9 secs): user=<colin@some.domain.here>, method=PLAIN, rip=36.7.79.21, Jun 12 18:42:01 Debussy dovecot: imap-login: Disconnected (auth failed, 1 attempts in 8 secs): user=<colin>, method=PLAIN, rip=113.240.237.10, Jun 12 19:11:58 … Continue reading →

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Bot Net slowing down

Posted on May 13, 2017 by Steve

As a follow on to my post about the slow cycle bot net  it now looks like its slowing down (i.e. Fail2ban has blocked most of the compromised machines).

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A very large but sneakily slow bot-net?

Posted on May 8, 2017 by Steve

Anyone who runs a server is used to it to being attacked by compromised machines which target their SSH services, their web services and their email services. The attack on the email services takes two forms : either trying to … Continue reading →

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Fail2Ban working hard

Posted on May 7, 2017 by Steve

Graph courtesy of Monitorix:

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Bad IPs

Posted on May 7, 2017 by Steve

Its the list of usual suspects – China featuring high in the list of machines trying to break into servers (no surprises there) and OVH : 89.248.174.27 60.173.16.74 161.0.153.110 123.214.172.84 218.27.147.130 120.203.25.58 41.110.189.60 62.99.78.120 155.4.33.255 223.241.247.6 218.5.3.45 46.181.62.158 221.3.236.94 114.251.196.28 … Continue reading →

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More shit from the internet

Posted on May 6, 2017 by Steve

I tightened up the fail2ban rules after looking at my mail logs. The result is impressive but at the same time depressing … so many machines trying to break into my server. Several from GoDaddy…. I guess they’re starting to … Continue reading →

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Moving to HTTPS

Posted on September 9, 2016 by Steve

Well I’ve moved the blogs over to https… it was a bit of a pain and I was really starting to bash my head against the wall with Lets Encrypt’s utilities. But then I stopped trying to be clever and … Continue reading →

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Another stupid set of spam emails

Posted on May 24, 2016 by Steve

Yet more stupid spam arrived in my inbox today. Lets just take two examples from the small tsunami that arrived. What spammers forget is that sending TWO emails from different people to the SAME address with similar messages in it … Continue reading →

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