ISPs May be blocking Bitcoin
It seems that some Bitcoin users have been reporting issues when attempting to connect or receive connections to their bitcoin clients across port 8333. Assuming that Bitcoin clients connect to other bitcoin nodes on TCP port 8333 by default, some of these users have strong suspicions that some ISP providers might have been intentionally blocking communications through and by this specific port. The problem is said to appear when the ISP has complete control over the hardware from the user's house to their router to the Internet. Many well-known providers will deliberately close a number....
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By default, Bitcoin clients connect to other bitcoin nodes on TCP port 8333. If a user wants their Bitcoin client to connect to other nodes, they will need to allow outgoing TCP connections on port 8333, and also will need to have the ability to accept connections on that same port. Some Bitcoin users have reported issues attempting to connect or receive connections to their bitcoin clients across port 8333. After spending an entire day effortlessly trying to get a bitcoin client working from a home computer, one AT&T Uverse customer called customer support. After hours of phone calls and....
AT&T has confirmed it is not intentionally blocking customers from using their bitcoin ports, contrary to some allegations in recent days. DSLReports.com, a website that reviews ISPs and conducts Internet speed connection tests, reported yesterday that AT&T confirmed that the company does not block the bitcoin port 8333 or attempt to block bitcoin nodes for its customers. Any customer experiencing a problem should contact AT&T customer care, the company stated. The situation would not be worth mentioning except for the fact that the topic has generated discussion on various websites,....
Overall, the Bitcoin community seems happy about this development, even though it is not exactly news. An exciting development has taken place in the world of Bitcoin and cryptocurrency. ViaBTC and Roger Ver have seemingly indicated they are not interested in blocking SegWit. This news came as quite a surprise, as the majority of Bitcoiners seemed to think otherwise. This does not mean SegWit will suddenly get activated on the network overnight either, though. To put this “news” into perspective, neither ViaBTC nor Roger Ver has any interest in blocking SegWit. In fact, they made that....
Researchers from ETH Zurich and the Hebrew University have found how “internet routing attacks” and “malicious Internet Service Providers (ISPs)” can attack the Bitcoin network. In their research paper entitled “Hijacking Bitcoin: Routing Attacks on Cryptocurrencies”, they describe the attacks as well as countermeasures against them. The paper will be....
Hackers have managed to reroute raw internet traffic from numerous internet service providers (ISPs) in an attempt to steal bitcoins. Dell SecureWorks says it has identified a total of 19 ISPs affected. Data used by Amazon, DigitalOcean and OVH was compromised in the attack. Each incident lasted just 30 seconds, but the hacker managed to carry out the attack 22 times over the course of four months. The ultimate goal was to seize control of bitcoin miners, organised in mining pools. Stealing up to $9,000 a day. The attacks appear to have been successful. Dell SecureWorks reports that up to....