Blue Frog Reborn

First there was Blue Frog, a community antispam effort that stopped operating last week after Blue Security, the company that started the project, came under a withering denial-of-service attack.

Out of the ashes comes Black Frog, part of a project that is apparently willing to become a flag bearer in the fight against spam. The project, dubbed Okopipi, is developing the Black Frog antispam software as an open-source project, according to the group's wiki.

"This project aims to become a distributed replacement of antispam software Blue Frog," the Okopipi wiki states. The project merges two separate efforts--Okopipi and Black Frog--that arose after the demise of Blue Frog.

Blue Security waged a sort of do-it-yourself spamming campaign against the spammers. It said that more than 500,000 customers downloaded its Blue Frog software, which automatically sent replies back to mass e-mails. If all of these customers' systems responded, the spammers' systems would be overwhelmed.

But the Web sites of Blue Security and some of the company's partners were knocked out last month by a massive distributed denial-of-service attack. In such an attack, scores of computers try to continuously log onto Web sites, in an effort to overtax the servers.

News source: Source - Okopipi Wiki
News source: Source - Cnet

Link: Forum Discussion
Link: Signup to help out
Link: Signup for release announcementsOkopipi's battle plan is to avoid depending on a centralized server, creating a target too big to be taken out by a single DOS attack.

"It will be based on a P2P network (the frognet)," according to a posting on the wiki. "On failure to connect, it could still opt out given e-mail addresses."

Participants will send reports of spam e-mails to Okopipi, which will use "handlers," which include dedicated servers, to analyze it. To avoid suffering the same fate as Blue Security, Okopipi's staff will not disclose information about its servers.

"Only the Okopipi administrators will know their locations," the group said on its wiki. This should make a DOS attack "very difficult," it said.

The Okopipi wiki said that the Black Frog software will set participants' systems to automatically click the "opt-out" or "unsubscribe" links contained within spam--sending a response to the mailers. The software is still being developed.

Richi Jennings, an analyst at security research company Ferris, said that Okopipi should be careful if it decides to fight fire with fire.

"The project should also take care not to cross the line from legitimate spam complaints to attacking spammers using DDoS-like techniques," Jennings wrote on a posting to Ferris' Web site.

Okopipi is the successor to Blue Security's Blue Frog project. This project aims to become a distributed replacement of anti-spam software Blue Frog, which does not depend on a centralized server. It will be based on a P2P network (the "frognet"). On failure to connect it could still opt out given e-mail addresses. The project is currently in the design phase.

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