We see no evidence that specific core network autonomous systems have blocked Telnet, contrary to previous reports. We specifically see continued non-spoofable Telnet traffic from networks on which GreyNoise saw 100% drop-off. We suspect initial results may have been measurement artifacts or specifi
It’s also handy to see what’s on the other end (assuming it uses a human-readable text format like HTTP)
Yes! I’ll dump a HTTP request through it and see what turns up. Perfect for simple web server demos in class for students.