If you're running Ubuntu then you should have firewalld which is an interface for iptables. It automatically comes with a Samba service that you can allow. Personally, I use a rich rule to allow Samba from only one specific IP address that I want allowed in like this: firewall-cmd --zone=public --add-rich-rule='rule family=ipv4 source address
Jun 24, 2017 UFW - Community Help Wiki - Ubuntu Mar 31, 2017 How To Install nftables In Ubuntu | Liquid Web
Dec 07, 2019
there is a way to log packets in IPTables. first you need to create new chain to logging packets. iptables -N LOGGING then you need to append which packets you are gonna log using following commands. iptables -A INPUT -j LOGGING iptables -A OUTPUT -j LOGGING now you can log the packets to the syslogs using this. iptables -A LOGGING -m limit --limit 2/min -j LOG --log-prefix "IPTables-Dropped: " - … Linux iptables LOG everything - Jesin's Blog Apr 28, 2011
How to Log Linux IPTables Firewall Dropped Packets to a
The first line means send all messages that start with “iptables: ” to /var/log/iptables.log. The second line means discard the messages that were matched in the previous line. The second line is of course optional, but it saves the trouble of explicitly filtering out firewall logs from subsequent syslog rules. Quick Minimal Firewall on Ubuntu With Iptables Quick Minimal Firewall on Ubuntu With Iptables. Let's create a minimal set of iptables rules and a two-liner script that can restore the rules on restart.. To stay minimal, we are going to use iptables directly, instead of the Uncomplicated Firewall (ufw) tool that comes bundled with Ubuntu. How to start/stop iptables on Ubuntu? - Server Fault I don't know about "Ubuntu", but in Linux generally, "iptables" isn't a service - it's a command to manipulate the netfilter kernel firewall. You can "disable" (or stop) the firewall by setting the default policies on all standard chains to "ACCEPT", and flushing the rules. linux - iptables logging not working? - Server Fault