Forum: Ruby on Rails Hidden links on ROR Wiki

Announcement (2017-05-07): is now read-only since I unfortunately do not have the time to support and maintain the forum any more. Please see and for other Rails- und Ruby-related community platforms.
softwareengineer 99 (Guest)
on 2006-03-03 07:14
(Received via mailing list)
Hello list members,

  Today I noticed on
that there were a ton of spam links in the source code that I couldn't
see on the page itself. Upon careful examination I found the links to
be hidden:

  I am posting the content here for reference and to show patterns of

  <u style="display:none;">
  "buy phentermine":
  "phentermine online":
  "cheap phentermine":
  "order phentermine":
  "buy phentermine online":
  "phentermine prescription":
  "phentermine pharmacy":
  "phentermine diet pill":
  "phentermine adipex":
  "order phentermine online":
  "phentermine pill":
  "phentermine side effects":
  "phentermine diet":
  "xenical hgh phentermine quit smoking
  "phentermine cod":
  "discount phentermine":
  "phentermine 37.5":
  "cheapest phentermine":
  "phentermine information":
  "purchase phentermine":
  "bactrim phentermine":
  "phentermine online pharmacy":
  "celexa phentermine":
  "westword fioricet phentermine":
  "fioricet phentermine shipping":
  "phentermine and glucophage":
  "phentermine hcl":
  "buy the cheapest phentermine with personal
  "buy phentermine online with pay
  "buy phentermine from united
  "buy phentermine topamax":
  "pay pal buy phentermine":
  "am buy looking overseas
  "buy phentermine adipex":

  This is really bad from search engine optimization post on view and
can  lead to penalization of ethical sites that are linked from the

  How can we watch for this spam?
  May be a filter is needed that checks for the existence of
  Or may be all links need to be converted to rel="nofollow" which will
then not benefit any link on that page.
  May be we need to make the wiki posts for registered users only.

  Now I also suspect that such hidden links may exist throughout the


Rails Blog:
MySQL Blog:
Linux / Security Blog:
This topic is locked and can not be replied to.