>-------- Оригинално писмо -------- >От: centos-devel-request at centos.org >Относно: CentOS-devel Digest, Vol 79, Issue 7 >До: centos-devel at centos.org >Изпратено на: Сряда, 2011, Септември 14 19:00:04 EEST >Send CentOS-devel mailing list submissions to > centos-devel at centos.org > >To subscribe or unsubscribe via the World Wide Web, visit > http://lists.centos.org/mailman/listinfo/centos-devel >or, via email, send a message with subject or body 'help' to > centos-devel-request at centos.org > >You can reach the person managing the list at > centos-devel-owner at centos.org > >When replying, please edit your Subject line so it is more specific >than "Re: Contents of CentOS-devel digest..." > > >Today's Topics: > > 1. URGENT: Website and fora at risk due to automated spammer > account creation (Phil Schaffner) > > >---------------------------------------------------------------------- > >Message: 1 >Date: Wed, 14 Sep 2011 11:44:54 -0400 >From: Phil Schaffner >Subject: [CentOS-devel] URGENT: Website and fora at risk due to > automated spammer account creation >To: "The CentOS developers mailing list." >Message-ID: >Content-Type: text/plain; charset="ISO-8859-1"; format=flowed > >http://bugs.centos.org/view.php?id=5105 > >Forum moderators have been battling spammers creating bogus accounts by >the thousands using automated "bots". The only way moderators currently >have to attack the problem is by a laborious process of searching for >such accounts and selecting them for deletion. This has been working, >although at the cost of considerable time to perform the operations; >however, such accounts are currently being created at a rate of >thousands per day making deletion of 50 at a time via the web interface >a practical impossibility. > >Our approach has been to delete all "Inactive" accounts more than 7 days >old (these are being created at a rate of about 1 per minute) and >"Active" accounts with no posts and either no logins, or with no logins >in the last 30 days. The latter are the rapidly growing problem, and >more than 40,000 accounts with zero posts created between 7 and 30 days >ago currently exist. Account creation at this rate will likely bring >the site down if the situation is not dealt with soon. > >Proposed approach: > >1. Implement some automated way of deleting accounts as described above. >2. Implement captcha or some other mechanism in the account creation >process to foil the bots. > >Phil > > >------------------------------ > >_______________________________________________ >CentOS-devel mailing list >CentOS-devel at centos.org >http://lists.centos.org/mailman/listinfo/centos-devel > > >End of CentOS-devel Digest, Vol 79, Issue 7 >******************************************* > There is also another way of lowering the number of accounts. It is called zbblock http://www.spambotsecurity.com/zbblock.php It has the ability to block sertain IPs based on behaviour. Good news is that it almost does not require product support. It should be used with caution too.. ----------------------------------------------------------------- 100 лв БОНУС. Най-високи коефициенти. Tempobet.com http://bg.tempobet.com/affiliates/3208311