Marking as Invalid since the default firewall policy is working as
intended.
** Changed in: ufw (Ubuntu)
Status: New => Invalid
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https://bugs.launchpad.net/bugs/1882484
Title:
Firewall rule in before.rules for dhcp is wrong
Status in ufw package in Ubuntu:
Invalid
Bug description:
The file delivered - /usr/share/ufw/iptables/before.rules
which is then copied to - /etc/ufw/before.rules
Delivered by Package:
# allow dhcp client to work
-A ufw-before-input -p udp --sport 67 --dport 68 -j ACCEPT
The ports for
--sport and --dport are swapped
Should be:
-A ufw-before-input -p udp --sport 68 --dport 67 -j ACCEPT
Package version found in:
0.36-0ubuntu0.1
Note: ISC DHCP uses RAW sockets, which bypasses iptables anyway and doesn't
drop the packets with the incorrect configuration. This has had me stumped for
the last hour.
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