ipfw firewall

Hey everyone, I'm struggling I'm new to FreeBSD and trying to get up and running an IPFW firewall on my FreeBSD VPS. I don't want to setup any NAT but only firewall filter rules. My /etc/rc.conf firewall_enable="YES" firewall_quiet="YES" firewall_type="open" firewall_myservices="any"...

Hi! IPFW config file # Block IP ipfw table 1 add 115.0.0.0/8; $cmd 160 deny ip from 'table(1)' to me $cmd 161 deny ip from me to 'table(1)' root@mydomain:/var/logs/nginx# ipfw table 1 list 115.0.0.0/8 0 Why do I get lines like this in the NGINX error and access logs? 2023/12/29 07:58:29...

Hi, I have a FreeBSD 13.1 released installed on a machine and there is NO firewall service running on it, it has two interfaces one with public IP and the other with private IP. I can not ssh into the machine from a public IP apart from the public IP of the same network and I can ssh into the...

Thank you for your help.

I've created an instance on Vultr, both wireguard and ipfw (IPv4 NAT) are enabled successfully and work perfectly. Now I want to use NPTv6 on this server, how can I get a correct sample of NPTv6's configuration? FreeBSD version: 13.2-RELEASE This is my configuration of rc.conf and IPFW...

How to use ipfw to block an ip for a specified time on FreeBSD 12. I am currently using iptables+ipset, which can block an ip for a specified time. ipset create blacklist hash:ip timeout 3600 iptables -A INPUT -p tcp -m set --match-set blacklist src -m multiport --dports 443,80 -j DROP ipset...

I'm fairly new to IPFW but have read the various examples and the manual page carefully. I can't seem to find a way to log a successful connection without logging all subsequent packets. I thought the best way would be using keep-state but that doesn't work the way I intended. With IPFILTER...

Because in between things have changed and I got no answer from the Forum, I like to try a new post. What do I have? -FreeBSD 13.0 -A jail with a running webserver -I'm using the firewall IPFW with NAT settings to connect to the jail from outside the host and from inside to outside. Now this...

I am making some network traffic debug to configure IPFW rules, and i noticed extrange behaviour when i enable firewall_logging option. I start my system and the configuration option is disabled: odyssey # ~> grep firewal /etc/rc.conf firewall_enable="YES" firewall_script="/etc/ipfw.rules"...

Hi All , I need to audit the rules and settings of a FreeBSD firewall against best practice ""my first time", the client has sent me a text file . Is there a software I can use to make this analysis? If not, what is the best process for auditing this FreeBSD firewall? Thank you

I read this Wiki >>> https://docs.freebsd.org/en/books/handbook/firewalls/#firewalls-ipfw Under Linux I was using ufw to configure iptables. I was using the policy deny all in & allow all out. I have presently applied the workstation type by using the command sysrc firewall_type=workstation...

Hi I replace PfSense on my Box and i installed FreeBSD 12.1 acting as gateway. I use IPFW as firewall I have two network cards. igb0 ( wan) with IP 192.168.1.2 -->> connected to my router (192.168.1.1). In my router I DMZ everything is coming to 192.168.1.2 ( wan address of firewall box) igb1...

I'm new to freebsd I want to make these rules Iptables -t Nat -A POSTROUTING -o tun0 -s 192.168.1.0/24 -j MASQUERADE Iptables -A PREROUTING -I tun0 -p 17 --dport 1024:65535 -j DNAT --to 192.168.1.195:1024-65535

After much tribulation, I was able to get my FreeBSD machine operating as a gateway router between my lan and ISP router. I used pf because I found a decent howto online - Building an OpenBSD/pf Firewall. The pain came when I tried typing the rules in - what a friggin' nightmare (insert lots of...

Am trying to Build a Firewall for Unbound DNS resolver since a month and was not successful, solved almost all the configs except the IPFW rules, using FreeBSD 12.1-RELEASE-p5 Below are my rule list NOTE: a.a.a.a , b.b.b.b, c.c.c.c and d.d.d.d are my ipv4 Public IP pools...

Configuring DNS caching server able to get all traffic without the firewall and with firewall only the IPV4 traffic is resolving, having some syntax issue with the config regarding the IPV6 (using FreeBSD 12.1) ipfw -q -f flush cmd="ipfw -q add" pif="em0" # interface name of NIC $cmd 00116...

Hello All, We are having trouble with finding ways to redirect the public IP address to the jail IP address. We have looked into the rc.conf and jail.conf files but are now sure how we should edit any of these files to achieve this. We have previously been unsuccessful in editing pf values...

Hi guys! I run a FreeBSD VPS where it's located a webserver with WHMCS inside. (Apache + Nginx) I would like to do other kind of ad by running a prank on social media where people will get message like "X has been hacked. Click here to download database" or something similar. What I need? A...

Hello, I need to release an application that accesses the amazon. With each ping in the URL of the application hosted in amazon the IP changes from time to time. The local application does not support proxy. I use freebsd / ipfw. Example ping return: app.example.net -> a.a.a.b app.example.net...

Hello, I've a 12.0 STABLE kernel compiled with: options IPFIREWALL options IPFIREWALL_DEFAULT_TO_ACCEPT options IPFIREWALL_VERBOSE options IPDIVERT options DUMMYNET options HZ=1000 and: root@freebsd:~ # cat /boot/loader.conf net.fibs=2 My network configuration: root@freebsd:~ # ifconfig hn0...