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Special Forums UNIX and Linux Applications Virtualization and Cloud Computing No Brave Bot Hunters in CEP Land? Post 302269597 by Linux Bot on Thursday 18th of December 2008 05:50:02 AM
Old 12-18-2008
No Brave Bot Hunters in CEP Land?

Tim Bass
12-18-2008 03:43 AM
In August of this year, we issued the challenge,* The Bot Hunter: An Event Processing Challenge (Bot or Not). Not surprisingly, none of the “self-described CEP vendors” with grand claims of CEP greatness, responded.* Real-time detection of threats and opportunities, the core premise of CEP, is very different than algo trading, order routing and process orchestration. Solving real problems is quite different than marketing.

One would think that vendors would take advantage of a real CEP challenge to “show their stuff” versus the releasing marketing fluffy awards. * Folks believe in solutions tested by independent experts, not self-proclaimed proclaimations of greatness.* Every major company has a web site, so it is quite useful to create a CEP solution that can accurately detect automated bots in real-time (with low false positives and false negatives) and then block the bots with high confidence.

One problem is that it is non-trivial to write a set of rules that examine all the real-time web log entries and determine, with high confidence, which transactions are from bots and which are from humans.* This useful application is a bit “complex” and hence, a great CEP application.** Unfortunately,* CEP vendors, claiming “quick, low coding application development” can’t silence their critics!

Readers might recall from The Attack of the Spiders from the Clouds my musings on how cloud computing services can easily be used as a platform for massive denial-of-service attacks.* This is a real-time threat, ripe for a CEP solutions, but we cannot find a single CEP vendor that can meet the challenge.



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Mojo::URL(3pm)						User Contributed Perl Documentation					    Mojo::URL(3pm)

NAME
Mojo::URL - Uniform Resource Locator SYNOPSIS
use Mojo::URL; # Parse my $url = Mojo::URL->new('http://sri:foobar@kraih.com:3000/foo/bar?foo=bar#23'); say $url->scheme; say $url->userinfo; say $url->host; say $url->port; say $url->path; say $url->query; say $url->fragment; # Build my $url = Mojo::URL->new; $url->scheme('http'); $url->userinfo('sri:foobar'); $url->host('kraih.com'); $url->port(3000); $url->path('/foo/bar'); $url->path('baz'); $url->query->param(foo => 'bar'); $url->fragment(23); say $url; DESCRIPTION
Mojo::URL implements a subset of RFC 3986 and RFC 3987 for Uniform Resource Locators with support for IDNA and IRIs. ATTRIBUTES
Mojo::URL implements the following attributes. "authority" my $authority = $url->authority; $url = $url->authority('root:pass%3Bw0rd@localhost:8080'); Authority part of this URL. "base" my $base = $url->base; $url = $url->base(Mojo::URL->new); Base of this URL. "fragment" my $fragment = $url->fragment; $url = $url->fragment('foo'); Fragment part of this URL. "host" my $host = $url->host; $url = $url->host('127.0.0.1'); Host part of this URL. "port" my $port = $url->port; $url = $url->port(8080); Port part of this URL. "scheme" my $scheme = $url->scheme; $url = $url->scheme('http'); Scheme part of this URL. "userinfo" my $userinfo = $url->userinfo; $url = $url->userinfo('root:pass%3Bw0rd'); Userinfo part of this URL. METHODS
Mojo::URL inherits all methods from Mojo::Base and implements the following new ones. "new" my $url = Mojo::URL->new; my $url = Mojo::URL->new('http://127.0.0.1:3000/foo?f=b&baz=2#foo'); Construct a new Mojo::URL object. "clone" my $url2 = $url->clone; Clone this URL. "ihost" my $ihost = $url->ihost; $url = $url->ihost('xn--bcher-kva.ch'); Host part of this URL in punycode format. # "xn--da5b0n.net" Mojo::URL->new('http://X.net')->ihost; "is_abs" my $success = $url->is_abs; Check if URL is absolute. "parse" $url = $url->parse('http://127.0.0.1:3000/foo/bar?fo=o&baz=23#foo'); Parse URL. "path" my $path = $url->path; $url = $url->path('/foo/bar'); $url = $url->path('foo/bar'); $url = $url->path(Mojo::Path->new); Path part of this URL, relative paths will be appended to the existing path, defaults to a Mojo::Path object. # "http://mojolicio.us/DOM/HTML" Mojo::URL->new('http://mojolicio.us/perldoc/Mojo')->path('/DOM/HTML'); # "http://mojolicio.us/perldoc/DOM/HTML" Mojo::URL->new('http://mojolicio.us/perldoc/Mojo')->path('DOM/HTML'); # "http://mojolicio.us/perldoc/Mojo/DOM/HTML" Mojo::URL->new('http://mojolicio.us/perldoc/Mojo/')->path('DOM/HTML'); "query" my $query = $url->query; $url = $url->query(replace => 'with'); $url = $url->query([merge => 'with']); $url = $url->query({append => 'to'}); $url = $url->query(Mojo::Parameters->new); Query part of this URL, defaults to a Mojo::Parameters object. # "2" Mojo::URL->new('http://mojolicio.us?a=1&b=2')->query->param('b'); # "http://mojolicio.us?a=2&c=3" Mojo::URL->new('http://mojolicio.us?a=1&b=2')->query(a => 2, c => 3); # "http://mojolicio.us?a=2&b=2&c=3" Mojo::URL->new('http://mojolicio.us?a=1&b=2')->query([a => 2, c => 3]); # "http://mojolicio.us?b=2" Mojo::URL->new('http://mojolicio.us?a=1&b=2')->query([a => undef]); # "http://mojolicio.us?a=1&b=2&a=2&c=3" Mojo::URL->new('http://mojolicio.us?a=1&b=2')->query({a => 2, c => 3}); "to_abs" my $abs = $url->to_abs; my $abs = $url->to_abs(Mojo::URL->new('http://kraih.com/foo')); Clone relative URL and turn it into an absolute one. "to_rel" my $rel = $url->to_rel; my $rel = $url->to_rel(Mojo::URL->new('http://kraih.com/foo')); Clone absolute URL and turn it into a relative one. "to_string" my $string = $url->to_string; Turn URL into a string. SEE ALSO
Mojolicious, Mojolicious::Guides, <http://mojolicio.us>. perl v5.14.2 2012-09-05 Mojo::URL(3pm)
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