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Similar todos
block ports on server that were a security threat.
fix firewall things on prov servers 
#abcgamers
local firewalls 
#downpayment
fix iptables on personal server
Fix DDoS security hole by adjusting inbound traffic rules in AWS 
#simpleotp
Drop stale ssh port forwarding connections on my dev server to make it work again
Make ship-nix starters firewall only open the ports they actually need #shipnix
Completely lock down server after it was hacked #life2
add more protection against hackers on 
#devopsprojectshq
make a list of security related issues on some sites