3
votes
Does geo blocking whole countries objectively increase security?
Generally speaking, geoblocking like this doesn't really do much to increase your security. Even leaving aside the issues with IPs that can't be easily linked to any one country or IPv6, it's usually ...
1
vote
How safe is it to open a recusive DoH resolver to the internet?
DoH stands for DNS Queries over HTTPS, RFC 8484. The amplification attacks that UDP-based DNS has been vulnerable to are not a problem with the HTTPS transport, as explained in section 9:
9. Security ...
1
vote
Is a MITM attack possible for my apt repo?
Yes, a Man-in-the-Middle (MITM) attack is possible on your APT repository
one of the most common attack again apt are these:
DNS server and target device are within the same network segment DNS
...
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