RethinkDNS has a lockdown mode where it blocks everything you don’t explicitly unblock. Doesn’t help with memory usage but might be useful to not be part of a botnet or ten.
If that’s a dns server, that will help with a lot, but not against everything. Some malware has hardcoded IPs to phone home, so they don’t need to look up any ips.
And half of it is used by Chinese spyware.
RethinkDNS has a lockdown mode where it blocks everything you don’t explicitly unblock. Doesn’t help with memory usage but might be useful to not be part of a botnet or ten.
If that’s a dns server, that will help with a lot, but not against everything. Some malware has hardcoded IPs to phone home, so they don’t need to look up any ips.