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Date:May 2, 2015Posted By:Jonny5Category:Blog, Code, Networking, Security, WebsitesTag:PHP

Scientific Linux 7.1 + ELK + Rivers

Are you interested in Elasticsearch, Logstash, Kibana, and Rivers (JDBC+MySQL)? Then this ELK guide is for you. We are building this with Scientific Linux 7.1 and the latest versions of each available at the moment. I sourced information on how to do this from: https://www.digitalocean.com/community/tutorials/how-to-install-elasticsearch-logstash-and-kibana-4-on-centos-7 http://www.elastic.co/guide/en/elasticsearch/reference/current/setup-repositories.html https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/html/Security_Guide/sec-Using_Firewalls.html https://github.com/jprante/elasticsearch-jdbc Install SL 7.1 Find your local mirror:…

Date:May 1, 2015Posted By:Jonny5Category:Blog, Code, Networking, Security

Port forwarding from one public IP to another public IP

Let’s say you wanted to forward a port to another host that has an external IP (public facing like yours), this is how you would do that: sudo iptables -t nat -A PREROUTING -i eth0 -p tcp –dport $port -j LOG –log-prefix=”PreRouting $port..:” sudo iptables -t nat -A PREROUTING -i eth0 -p tcp –dport $port…

Date:November 17, 2014Posted By:Jonny5Comments:4 CommentsCategory:Blog, Code, Networking, SecurityTag:DNS, HTTPS, ICMP

IPTables Firewall with auto update blocklist v2.7

Re-edit: the IPSet wasn’t working the way it should’ve on further inspection, I’ve fixed that, plus, some of my rules were hastily copied and I’ve fixed that too. Edit: I had the order of this incorrect in the beginning, for that I appologize, it is correct now. If you don’t have your IPSet list setup,…

Date:July 23, 2014Posted By:Jonny5Category:Blog, Code, SecurityTag:DNS, HTTPS, ICMP, Iptables Firewall

IPTABLES Firewall ruleset config file v2.5

This is an update from my IPTABLES config file v2.2 article File: iptablesv25.sh # Jim McKibben # 2014-07-23 # Version 2.5 # Iptables Firewall configuration script # Allows HTTP, HTTPS, SSH, SMTP # SSH Port easy customization # Allows Local Loopback # Allows specific ICMP # Allows DNS Query and Response # Blocks bad source…

Date:July 8, 2013Posted By:Jonny5Category:Blog, Security

Logging and Incident Response

Security is a trick world and unless you want your hosts log files scrolling your SMS buffer on your phone, you have to enable something that allows some degree of automated response. Zabbix is certainly one of the more free and better tools in that element. Here I will log my progress with setting up…

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Category: Security

Scientific Linux 7.1 + ELK + Rivers

Port forwarding from one public IP to another public IP

IPTables Firewall with auto update blocklist v2.7

IPTABLES Firewall ruleset config file v2.5

Logging and Incident Response