Blogs › Networking

Spamhaus daily bad IP autoblocker script

curl -s https://www.spamhaus.org/drop/drop.txt >drop.txt cut -d' ' -f 1 drop.txt >drop2.txt mv drop2.txt drop.txt grep -v '^{;}' drop.txt >drop2.txt echo "#!/bin/sh" >script cat drop3.txt | while read line do # $line="$line{var ;*}" echo iptables -A INPUT -s $line -j DROP >>script echo iptables -A OUTPUT -s $line -j DROP >>script done curl -s https://www.spamhaus.org/drop/edrop.txt >drop.txt cut -d' ' -f 1 drop.txt...

Par 2023-04-19 07:49:46 2 940

Networking

Sysctl.conf example security settings

There are probably better ways of doing this, buuuuttt.... kernel.printk = 4 4 1 7 kernel.panic = 10 kernel.sysrq = 0 kernel.shmmax = 4294967296 kernel.shmall = 4194304 kernel.core_uses_pid = 1 kernel.msgmnb = 65536 kernel.msgmax = 65536 vm.swappiness = 20 vm.dirty_ratio = 80 vm.dirty_background_ratio = 5 fs.file-max = 2097152 net.core.netdev_max_backlog = 262144 net.core.rmem_default = 31457280 net.core.rmem_max =...

Par 2022-04-23 19:33:40 0 993

Networking

Example iptables firewall #security

Use at your own risk. There are probably better ways to do this, and I use this (and more)....you may want to open or close more ports depending on what you want to do. ### 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...

Par 2022-04-23 19:12:48 0 975

Networking

Connectivity issues?

internet outage in the NE? The article sounds like finger pointing galore.... https://abcnews.go.com/Technology/wireStory/widespread-internet-outages-hit-northeast-us-75494318 Thank you Simon Parkes

Par 2021-01-26 19:16:17 0 1252

Networking

Press Release 1#

Press Release 1# Everyone is distracted. Now is the time to get back into academia. I’m going to really try and improve my life and push it the extra mile. I have started working out and I’ve been regaining my strength. My medical issues had gotten in the way, the NHS has huge problems. I got setback for a little bit, but I’ve bounced back. I need to focus my will here. I really do. I got all the pieces ready, I just need to get them set. 2020 has been my best year to...

Par 2020-11-29 19:01:44 0 1232

Networking

Let's kick it in gear!

LOONY Inc. It's time to kick in gear Oh hey! It's been a long time! Things have been crazy in my life. But I'm trying really hard to be a success. Navigating the world has been nuts. But I've been moving up. I'm from the streets, self-made. I'm not bragging. I want others to say the same. I've been focusing on my local life and try to lead with the lessons Trump taught me. It's working out!!! I need to go more professional. So I need to get used to writing documents. What I...

Par 2020-11-28 23:42:01 0 1286

Networking

New arrival

What is Xephula?

Par 2020-05-05 21:52:21 1 1414

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Aside from the inability of the emotionally disturbed to understand jokes, there is the over 100...

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