PF Firewall – nixCraft

How To Set Up a Firewall with PF on FreeBSD to Protect a Web Server

August 29, 2017August 29, 2017in FreeBSD, Openbsd, PF Firewall, Security last updated August 29, 2017

I am a new FreeBSD server user and moved from netfilter on Linux. How do I setup a firewall with PF on FreeBSD server to protect a web server with single public IP address and interface?

How to configure Wi-fi+Lan bridged access point in pfSense firewall router

August 17, 2016August 17, 2016in FreeBSD, Networking, PF Firewall, Security last updated August 17, 2016

I have installed wireless mini-PCIe card for my pfSense firewall. How do I configure a bridged LAN wifi access point (AP) network and setup pfSense?

How To Install pfSense Firewall On a Hard Disk Drive With Serial Console Support On the Soekris net5501 Router

August 30, 2015August 30, 2015in FreeBSD, PF Firewall, UNIX last updated August 30, 2015

I‘m looking to install pfSense 2.2.x and I would like to install it on a hard disk drive rather than CF (compact flash). How can I install hard disk install via serial console on the soekris net5501 server?

How To PFSense Configure Network Interface As A Bridge / Network Switch

January 13, 2015May 3, 2017in FreeBSD, PF Firewall, Security, UNIX last updated May 3, 2017

I have Soekris single board communication embedded computers which is optimized for low power and network usage. The server has four Ethernet ports. I’ve installed PFSense firewall on it and configure WAN + LAN ports. How do I setup IPv4 software bridge using PFSense so that the rest of ports act as a network switch?

OpenBSD / FreeBSD / NetBSD: PF Firewall List Rules

December 6, 2012December 6, 2012in FreeBSD, Openbsd, PF Firewall last updated December 6, 2012

I can use iptables -L -n command with Linux operating system to list the current firewall rules. How do I list all the current firewall rules under OpenBSD / FreeBSD / NetBSD operating systems? How can I see all pf firewall rules using command line tool?

MySQL/MariaDB Server: Bind To Multiple IP Address

December 6, 2012March 10, 2017in Debian / Ubuntu, FreeBSD, Iptables, Linux, MySQL, PF Firewall, UNIX last updated March 10, 2017

I have MySQL database system running on FreeBSD. The server has multiple ip address. The mysqld used by many websites hosted on two other CentOS based servers. I would like to bind MySQL sever running on Unix / Linux server to more than one IP address such as 202.54.1.2, 202.54.1.10, and 202.54.1.15. How can I bind mysqld to multiple ips?

Apache IPv6 Configuration: Dual Stacked IPv4 & IPv6 Virtual Hosts

August 28, 2009September 13, 2015in Apache, CentOS, Debian / Ubuntu, Fedora Linux, FreeBSD, Iptables, Linux, Networking, PF Firewall, RedHat and Friends, Security, Suse, Ubuntu Linux, UNIX last updated September 13, 2015

How do I configure Apache IPv6 networking under a UNIX / Linux / BSD operating system? How do I configure httpd IPv6 and IPv4 under a RHEL / CentOS / Fedora / Debian / Ubuntu Linux?