xtrsyz

### 1: Drop invalid packets ###
/sbin/iptables -t mangle -A PREROUTING -m conntrack --ctstate INVALID -j DROP

### 2: Drop TCP packets that are new and are not SYN ###
/sbin/iptables -t mangle -A PREROUTING -p tcp ! --syn -m conntrack --ctstate NEW -j DROP

### 3: Drop SYN packets with suspicious MSS value ###
/sbin/iptables -t mangle -A PREROUTING -p tcp -m conntrack --ctstate NEW -m tcpmss ! --mss 536:65535 -j DROP

### 4: Block packets with bogus TCP flags ###

xtrsyz

function getIdentifier(playerId)
	return GetPlayerIdentifiers(playerId)[1]
end

function logChat( playerId, name, message )
	MySQL.Async.execute('INSERT INTO `log_chat` (identifier, name, message) VALUES (@identifier, @name, @message)', {
		['@identifier']	= getIdentifier(playerId),
		['@name']	= name,
		['@message']	= message
	}, function(rowsChanged)

xtrsyz

#sudo apt-get install nginx-extras
upstream dejavu {
	server 128.99.8.144:30120;
}

proxy_cache_path /nginx/cache/dejavu levels=1:2 keys_zone=dejavu:10m max_size=20g inactive=2h;

server {
	listen 443 ssl http2;
	listen [::]:443 ssl http2;