diff --git a/etc/sysctl.conf b/etc/sysctl.conf
index d65ce26..55cf66c 100644
--- a/etc/sysctl.conf
+++ b/etc/sysctl.conf
@@ -1,31 +1,35 @@
 kernel.sysrq = 1
-kernel.printk = 5
+kernel.printk = 3 4 1 3
 vm.swappiness = 10
 vm.overcommit_memory=1
 
-fs.file-max = 51200
+fs.file-max = 1491124
 net.core.rmem_max = 67108864
 net.core.wmem_max = 67108864
 net.core.rmem_default = 65536
 net.core.wmem_default = 65536
-net.core.netdev_max_backlog = 4096
-net.core.somaxconn = 65535
-net.ipv4.tcp_syncookies = 1
+net.ipv4.tcp_max_syn_backlog = 1048576
 net.ipv4.tcp_tw_reuse = 1
+net.ipv4.tcp_max_tw_buckets = 55000
+net.core.netdev_max_backlog = 1048576
+net.core.somaxconn = 1048576
+net.ipv4.tcp_syncookies = 1
+
 net.ipv4.tcp_fin_timeout = 30
 net.ipv4.tcp_keepalive_time = 1200
-net.ipv4.ip_local_port_range = 10000 65000
-net.ipv4.tcp_max_syn_backlog = 4096
-net.ipv4.tcp_max_tw_buckets = 5000
+net.ipv4.ip_local_port_range = 1024 65000
+
 net.ipv4.tcp_fastopen = 3
-net.ipv4.tcp_mem = 25600 51200 102400
-net.ipv4.tcp_rmem = 4096 87380 67108864
-net.ipv4.tcp_wmem = 4096 87380 67108864
+#net.ipv4.tcp_mem = 25600 51200 102400
+#net.ipv4.tcp_rmem = 4096 87380 67108864
+#net.ipv4.tcp_wmem = 4096 87380 67108864
 net.ipv4.tcp_mtu_probing = 1
 net.ipv4.tcp_ecn = 1
 net.ipv4.tcp_ecn_fallback = 1
 net.core.default_qdisc = fq
 net.ipv4.tcp_congestion_control = bbr
+net.ipv4.tcp_retries2 = 8
+
 net.ipv4.ip_forward = 1
 
 net.ipv6.conf.default.autoconf = 0