PF Firewall related tutorial/FAQ

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

last updated January 14, 2018 in FreeBSD, OpenBSD, PF Firewall, Security

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

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

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

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

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

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

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

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

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

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

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

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

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?

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