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My kids complained today that Google Classroom isn't working. After a quick investigation, I noticed that Snort on my firewall blocked the relevant Google serv
by osolo 6y ago
My kids complained today that Google Classroom isn't working. After a quick investigation, I noticed that Snort on my firewall blocked the relevant Google server due to incoming TCP port scans. Sigh.
- BCharlie 6y agoYikes! Maybe that's the next thing I will take a look at...
- r1ch 6y agoBe careful with automated rules - unless it's a full TCP handshake, you can't conclusively identify the source of a port scan as the IP may be spoofed. If someone port scanned you and spoofed eg the IPs of your DNS servers, you've self-DoSed yourself.
- driverdan 6y agoCan you share the server IP / hostname?