05.19.09

Gemini version available ♊︎

DDOS and Migration (Updated)

Posted in Boycott Novell, Site News at 7:33 pm by Dr. Roy Schestowitz

Summary: Boycott Novell had been under DDOS attacks for almost 4 days. We were struggling to just stay online while hosts investigated where the attacks came from. We moved between hosts (to semi-dedicated) and the same pattern of attack persisted until yesterday.

WE have kept silent about it in order not to encourage the attacker/s, but it’s true. We have been under heavy DDOS attacks since Thursday night. What has happened since then? Well, a lot. Our previous host is no more as far as we are concerned. After struggling with the botnet for like 10 hours (filtering to no avail) our Web site got isolated. It did not serve any pages for almost 2 days. A reader of Boycott Novell was kind enough to lend us room on his server (more or less dedicated), on which he fought the botnets for over a day. The attackers kept changing tactics. Some other readers offered filtering advice and we are grateful to all of them. Ultimately, the attacks halted yesterday afternoon.

“Ultimately, the attacks halted yesterday afternoon.”The migration from the old server was not simple because the site was disabled abruptly following the early attacks. But now we have ensured that all data has been migrated. The only ‘good’ thing which came out of this attack is that, as oiaohm put it, the ordeal sort of made us more robust to future attacks.

Now that we have a new host in place, we also have more features. Data on the site (comments, posts, etc.) was not lost in the migration, just heaps of time and effort affecting several people. We have moved to a bigger, more robust environment that will hopefully facilitate the needs of the Web site as it continues to grow (we served about 200GB of data last month). We apologise for the downtime, which is unprecedented.

The plan is to carry on exposing Comes exhibits next month and also organise the Wiki. There is enough for years of work.

Again: we would like to thank all those who helped during the downtime and especially our generous reader ( Copilotco) who offered to host the Web site, taking us away from shared hosting in the process. Dedicated servers on normal Web hosts are just far too expensive for us to afford and I swear that I never made a single dime from this Web site. The ads merely covered the hosting fees which Shane has been paying since 2006.

One last clarification for lunatics who are now suggesting that we DDOSed ourselves, where to even begin refuting such nonsense (coupled with personal abuse)?

The attacks came from many addresses, for example 88.198.60.8 which is “tor-proxy.va6.de”. Multiple such IPs hit us constantly and relentlessly (all tor exit nodes at first). At one stage it seemed like the front page alone received 3 page requests per second. But the IPs were also doing a HEAD on the Web site as many times as possible, bringing the server down to its knees (both the old server and new server, the former running Red Hat and the latter CentOS).

Update: Here is a report from the administrator.

I took over hosting of boycottnovell.com for Roy in the middle of the DDOS attack. I am looking at the squid log for boycottnovell.com during the DDOS. I have squid caching/proxying/url-rewriting for apache for various reasons.

The attack initially (or at least, at the time the DNS was re-pointed to my server) consisted of lots of HEAD requests. Then I wrote up a script to tail the log finding anyone doing lots of HEAD requests and putting the offending IP into the iptables packet filter while I cooked up a more permanent solution. Eventually they figured this out and switched to a full on GET of the root of the site and then I think they started getting random pages from the site as fast as they could although I’m not sure about that.

The interesting part starts around timestamp 1242543590.804 which is apparently when most of the world’s DNS cut over to me including that of the machines in whatever bot net was employed in the attack.

If we run this command on the logfile with the logfile being /tmp/bn.log:


grep " HEAD http://boycottnovell.com/ " /tmp/bn.log | awk
'{print $3}' | sort | uniq -c |sort -n | tail -10

we get:

   2716 81.175.61.4
   2960 212.24.147.228
   3056 204.209.56.56
   5637 87.236.199.73
   6645 145.100.100.190
   7261 212.42.236.140
   8487 88.198.14.120
   9640 62.141.58.13
  11008 87.118.104.203
  11269 88.198.60.8

and if we do:


grep " GET http://boycottnovell.com/ " /tmp/bn.log |
awk '{print $3}' | sort | uniq -c |sort -n|tail -10

we get:


   5801 94.136.16.242
   5854 85.25.152.185
   5865 212.24.147.228
   6367 66.35.1.170
   6682 205.209.142.210
   6977 87.118.104.203
   8102 83.140.125.188
   8300 85.25.145.98
   8441 212.42.236.140
  20065 66.230.230.230

So one IP did a get of the root of the site 20k times before I really effectively got everything blocked off and another did a HEAD around 11k times. You can get a feel for how the attack progressed using:


egrep ' GET http://boycottnovell.com/ | HEAD
http://boycottnovell.com/ ' /tmp/bn.log | less

Assuming that everyone who did a GET or a HEAD more than 100 times (a conservative estimate) is involved in the attack:


egrep ' GET http://boycottnovell.com/ | HEAD http://boycottnovell.com/ '
/tmp/bn.log | awk '{print $3}' | sort | uniq -c| sort -n > /tmp/attackers

and then counting only the lines with greater than 100 hits we can see that there were 281 unique IP addresses involved in the attack.

However, it looks like they switched to targeting various different parts of the site later on or maybe just random pages because if we look at all of the accesses to the site which made more than 100 requests we get 863 IPs involved the top 19 being the following:


   6193 62.141.53.224
   7153 85.25.151.22
   7764 145.100.100.190
   8524 66.35.1.170
   8757 94.136.16.242
   9256 85.25.152.185
  10369 83.140.125.188
  10464 212.24.147.228
  10874 205.209.142.210
  10935 87.236.199.73
  11441 88.198.14.120
  12094 62.141.58.13
  12208 88.198.60.8
  12994 66.249.70.134
  13940 85.25.145.98
  19119 212.42.236.140
  19867 87.118.104.203
  26480 216.105.40.113
  29854 66.230.230.230

So 66.230.230.230 made 29k requests to the site in total.

Putting some iptables rules in place (which I document here):

http://www.kernel-panic.org/pipermail/kplug-list/2009-May/108075.html

nicely cut the problem down to size and now the effect of the DOS is unnoticeable.

11M of gzipped log are used for this sample.

Share in other sites/networks: These icons link to social bookmarking sites where readers can share and discover new web pages.
  • Reddit
  • email

Decor ᶃ Gemini Space

Below is a Web proxy. We recommend getting a Gemini client/browser.

Black/white/grey bullet button This post is also available in Gemini over at this address (requires a Gemini client/browser to open).

Decor ✐ Cross-references

Black/white/grey bullet button Pages that cross-reference this one, if any exist, are listed below or will be listed below over time.

Decor ▢ Respond and Discuss

Black/white/grey bullet button If you liked this post, consider subscribing to the RSS feed or join us now at the IRC channels.

4 Comments

  1. Test said,

    May 20, 2009 at 7:09 am

    Gravatar

    site is super zippy fast now !

    great work team !

  2. aeshna23 said,

    May 20, 2009 at 8:48 pm

    Gravatar

    It’s sad that some people are so afraid of the ideas on this website that they resort to such tactics.

    I do have one suggestion, if this happens in the future. Don’t put long, technical explanations in the main post. You could put a link to a page with the long, technical explanation. The long, technical explanation dilutes the moral indignation about our opponents tactics. I know that what I’m saying is a rhetorical change, but rhetoric really matters here.

  3. Shane Coyle said,

    May 21, 2009 at 7:53 pm

    Gravatar

    Actually, according to Google, I am still receiving hits and clicks from BN for Adsense. I guess when you copied over the site you left in the publisher id for my account.

    Roy Schestowitz Reply:

    Shane,

    Yes, I am still speaking to Tracy to figure out how we shall work this out. I moved all three domains to his DNS namehost and we will probably use the adverts to pay him for all he has done to save us, not to mention hosting. Last night we moved to account to a VM (to limit the damage of future attacks).

DecorWhat Else is New


  1. Links 25/1/2022: GPL Settlement With Patrick McHardy, Godot 4.0 Alpha 1, and DXVK 1.9.4 Released

    Links for the day



  2. Proprietary Software is Pollution

    "My daughter asked me about why are we throwing away some bits of technology," Dr. Andy Farnell says. "This is my attempt to put into words for "ordinary" people what I tried to explain to a 6 year old."



  3. Microsoft GitHub Exposé — Part XV — Cover-Up and Defamation

    Defamation of one’s victims might be another offence to add to the long list of offences committed by Microsoft’s Chief Architect of GitHub Copilot, Balabhadra (Alex) Graveley; attempting to discredit the police report is a new low and can get Mr. Graveley even deeper in trouble (Microsoft protecting him only makes matters worse)



  4. [Meme] Alexander Ramsay and Team UPC Inciting Politicians to Break the Law and Violate Constitutions, Based on Misinformation, Fake News, and Deliberate Lies Wrapped up as 'Studies'

    The EPO‘s law-breaking leadership (Benoît Battistelli, António Campinos and their corrupt cronies), helped by liars who don't enjoy diplomatic immunity, are cooperating to undermine courts across the EU, in effect replacing them with EPO puppets who are patent maximalists (Europe’s equivalents of James Rodney Gilstrap and Alan D Albright, a Donald Trump appointee, in the Eastern and Western Districts of Texas, respectively)



  5. Has the Administrative Council Belatedly Realised What Its Job in the European Patent Organisation Really Is?

    The "Mafia" which took over the EPO (the EPO's own workers call it "Mafia") isn't getting its way with a proposal, so it's preventing the states from even voting on it!



  6. [Meme] Team UPC is Celebrating a Pyrrhic Victory

    Pyrrhic victory best describes what's happening at the moment (it’s a lobbying tactic, faking/staging things to help false prophecies be fulfilled, based on hopes and wishes alone), for faking something without bothering to explain the legal basis is going to lead to further escalations and complaints (already impending)



  7. Links 24/1/2022: Scribus 1.5.8 and LXLE Reviewed

    Links for the day



  8. IRC Proceedings: Sunday, January 23, 2022

    IRC logs for Sunday, January 23, 2022



  9. [Meme] Team UPC Congratulating Itself

    The barrage of fake news and misinformation about the UPC deliberately leaves out all the obvious and very important facts; even the EPO‘s António Campinos and Breton (Benoît Battistelli‘s buddy) participated in the lying



  10. Links 24/1/2022: pgBadger 11.7 Released, Catch-up With Patents

    Links for the day



  11. The Demonisation and Stereotyping of Coders Not Working for Big Corporations (or 'The System')

    The war on encrypted communication (or secure communications) carries on despite a lack of evidence that encryption stands in the way of crime investigations (most criminals use none of it)



  12. On the 'Peak Hacker' Series

    Hacker culture, unlike Ludditism, is ultimately a movement for justice, for equality, and for human rights through personal and collective emancipation; Dr. Farnell has done a good job explaining where we stand and his splendid series has come to a close



  13. Links 23/1/2022: First RC of Linux 5.17 and Sway 1.7 Released

    Links for the day



  14. Peak Code — Part III: After Code

    "Surveillance perimeters, smart TVs (Telescreens built to Orwell's original blueprint) watched over our living rooms. Mandatory smart everything kept us 'trustless'. Safe search, safe thoughts. We withdrew. Inside, we went quietly mad."



  15. IRC Proceedings: Saturday, January 22, 2022

    IRC logs for Saturday, January 22, 2022



  16. Links 23/1/2022: MongoDB 5.2, BuddyPress 10.0.0, and GNU Parallel 20220122

    Links for the day



  17. A Parade of Fake News About the UPC Does Not Change the General Consensus or the Simple Facts

    European Patents (EPs) from the EPO are granted in violation of the EPC; Courts are now targeted by António Campinos and the minions he associates with (mostly parasitic litigation firms and monopolists), for they want puppets for “judges” and for invalid patents to be magically rendered “valid” and “enforceable”



  18. Welcome to 2022: Intentional Lies Are 'Benefits' and 'Alternative Facts'

    A crooks-run EPO, together with the patent litigation cabal that we’ve dubbed ‘Team UPC’ (it has nothing to do with science or with innovation), is spreading tons of misinformation; the lies are designed to make the law-breaking seem OK, knowing that Benoît Battistelli and António Campinos are practically above the law, so perjury as well as gross violations of the EPC and constitutions won’t scare them (prosecution as deterrence just isn’t there, which is another inherent problem with the UPC)



  19. From Software Eating the World to the Pentagon Eating All the Software

    “Software is eating the world,” according to Marc Andreessen (co-founder of Netscape), but the Empire Strikes Back (not the movie, the actual empire) by hijacking all code by proxy, via Microsoft, just as it grabbed a lot of the world’s communications via Skype, bypassing the world's many national telecoms; coders need to fight back rather than participate in racist (imperial) shams such as GitHub



  20. Links 22/1/2022: Skrooge 2.27.0 and Ray-Tracing Stuff

    Links for the day



  21. IRC Proceedings: Friday, January 21, 2022

    IRC logs for Friday, January 21, 2022



  22. Peak Code — Part II: Lost Source

    "Debian and Mozilla played along. They were made “Yeoman Freeholders” in return for rewriting their charters to “work closely with the new Ministry in the interests of all stakeholders” – or some-such vacuous spout… because no one remembers… after that it started."



  23. Links 22/1/2022: Ubuntu MATE 21.10 for GPD Pocket 3, MINISFORUM Preloads GNU/Linux

    Links for the day



  24. Computer Users Should be Operators, But Instead They're Being Operated by Vendors and Governments

    Computers have been turned into hostile black boxes (unlike Blackbox) that distrust the person who purchased them; moreover, from a legislative point of view, encryption (i.e. computer security) is perceived and treated by governments like a threat instead of something imperative — a necessity for society’s empowerment (privacy is about control and people in positions of unjust power want total and complete control)



  25. Peak Code — Part I: Before the Wars

    Article/series by Dr. Andy Farnell: "in the period between 1960 and 2060 people had mistaken what they called "The Internet" for a communications system, when it had in fact been an Ideal and a Battleground all along - the site of the 100 years info-war."



  26. Links 21/1/2022: RISC-V Development Board and Rust 1.58.1

    Links for the day



  27. IRC Proceedings: Thursday, January 20, 2022

    IRC logs for Thursday, January 20, 2022



  28. Gemini Lets You Control the Presentation Layer to Suit Your Own Needs

    In Gemini (or the Web as seen through Gemini clients such as Kristall) the user comes first; it's not sites/capsules that tell the user how pages are presented/rendered, as they decide only on structural/semantic aspects



  29. The Future of Techrights

    Futures are difficult to predict, but our general vision for the years ahead revolves around more community involvement and less (none or decreased) reliance on third parties, especially monopolistic corporations, mostly because they oppress the population via the network and via electronic devices



  30. [Meme] UPC for CJEU

    When you do illegal things and knowingly break the law to get started with a “legal” system you know it’ll end up in tears… or the CJEU


RSS 64x64RSS Feed: subscribe to the RSS feed for regular updates

Home iconSite Wiki: You can improve this site by helping the extension of the site's content

Home iconSite Home: Background about the site and some key features in the front page

Chat iconIRC Channel: Come and chat with us in real time

Recent Posts