Uncomplicated Firewall is a firewall configuration tool for Linux. It acts as a frontend to iptables. Originally designed for Ubuntu, it is available on many Linux distributions.

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UFW logs blocked request on open port, what am I missing?

Nov 29 15:17:15 hostname kernel: [397768.554884] [UFW BLOCK] IN=eth0 OUT= MAC=[mac] SRC=[ip] DST=[ip] LEN=52 TOS=0x00 PREC=0x00 TTL=52 ID=17050 PROTO=TCP SPT=56152 DPT=80 WINDOW=65535 RES=0x00 ...
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How To Set iptables log rules for PSAD with UFW?

For PSAD to work, I need to add the following iptables rules and enable packet logging : iptables -A INPUT -j LOG iptables -A FORWARD -j LOG ip6tables -A INPUT -j LOG ip6tables -A FORWARD -j LOG I ...
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646 views

UFW/IPTables: how to securely allow authenticated git access with github

This is how I setup my iptables with UFW: sudo ufw default deny incoming (deny all incoming) sudo ufw default deny outgoing (deny all outgoing) sudo ufw allow out 53 (accept outgoing DNS traffic, ...
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1answer
765 views

UFW/IPTables: after setting default outgoing deny, and port 80 outgoing allow, curl still doesn't work

With UFW, I disabled all outgoing and ingoing traffic by default. However, I do allow port 80 in and out: sudo ufw default deny incoming (deny all incoming) sudo ufw default deny outgoing (deny all ...