A number of well-known websites such as CNN have encountered error 503 errors recently, according to foreign media reports. Foreign media said, according to users, affected by the social news site, including Reddit, The New York Times, CNN, BuzzFeed and other well-known sites, their network management system has a big problem.
▲CNN and many other well-known sites encounter error 503 errors
The user reflects the word "error 503: Maximum service thread reached" is displayed on the screen (error 503:maximum threads for service reached).
Fastly, the company that provides cloud services for these sites, says the situation is a "global event"and that several teams in the company are repairing and investigating.
There is analysis that the incident could be caused by a DDoS (distributed denial of service) attack . Error 503 errors occur because of overloaded server traffic, which prevents new requests from being processed.
In addition, the new ransomware virus is sweeping the world, infiltration into many large multinational enterprises. The affected companies include WPP, Russian oil company, Maersk, US pharmaceutical company Merck, Russia's second largest steelmaker Evraz (Evraz), and DLA Piper, among others. Ukraine has been hit by a large area, Ukrenergo state-owned power-supply companies and several of the country's banks have been affected.
Prior to that, the Wannacry virus raged around the world during a weekend in May, when more than 200,000 Windows system computers in more than 100 countries were recruited, affecting organizations around the world, including French automakers, Russian banks and Spanish telecoms operators, sparking worldwide attention. Internet users in the computer's important information is virus encryption, hackers said only to pay the ransom to recover.
Jiangsu Three AI Network Technology Co., Ltd.
CNN and many other websites encounter error 503