You are right. My kernel was not updated. Sorry about that and happy new year. How can I close this bug?
*Patrik* WWW <https://patrikx3.com> | GitHub <https://github.com/patrikx3/> | NPM <https://www.npmjs.com/~patrikx3> | Corifeus <https://corifeus.com> | +36 20 342 8046 On Sun, Dec 30, 2018 at 7:33 PM Jamie Strandboge <[email protected]> wrote: > reassign 915627 iptables > tags 915627 +confirmed > thanks > > Your kernel is too old. Ie, I cannot reproduce this with the current 4.19 > kernel: > > $ lsb_release -a > No LSB modules are available. > Distributor ID: Debian > Description: Debian GNU/Linux buster/sid > Release: unstable > Codename: sid > > $ cat /proc/version > Linux version 4.19.0-1-amd64 ([email protected]) (gcc > version 8.2.0 (Debian 8.2.0-13)) #1 SMP Debian 4.19.12-1 (2018-12-22) > > $ sudo iptables --version > iptables v1.8.2 (nf_tables) > > $ sudo apt-get install ufw > ... > The following NEW packages will be installed: > ufw > 0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded. > Need to get 164 kB of archives. > After this operation, 852 kB of additional disk space will be used. > Get:1 http://ftp.us.debian.org/debian sid/main amd64 ufw all 0.36-1 [164 > kB] > ... > > $ sudo /usr/share/ufw/check-requirements > Has python: pass (binary: python2.7, version: 2.7.15+, py2) > Has iptables: pass > Has ip6tables: pass > > Has /proc/net/dev: pass > Has /proc/net/if_inet6: pass > > This script will now attempt to create various rules using the iptables > and ip6tables commands. This may result in module autoloading (eg, for > IPv6). > Proceed with checks (Y/n)? y > == IPv4 == > ... > == IPv6 == > Creating 'ufw-check-requirements6'... done > ... > icmpv6 (destination-unreachable): pass > icmpv6 (packet-too-big): pass > icmpv6 (time-exceeded): pass > icmpv6 (parameter-problem): pass > icmpv6 (echo-request): pass > icmpv6 with hl (neighbor-solicitation): pass > icmpv6 with hl (neighbor-advertisement): pass > icmpv6 with hl (router-solicitation): pass > icmpv6 with hl (router-advertisement): pass > ipv6 rt: pass > > All tests passed > > > All ufw is doing in check-requirements is: > # ip6tables -N ufw-check-requirements6 > # ip6tables -I ufw-check-requirements6 -j RETURN > # ip6tables -A ufw-check-requirements6 -p icmpv6 --icmpv6-type > destination-unreachable -j ACCEPT > > Which all succeed here. However, your kernel is 4.15.0-2, which > corresponds to: > > http://snapshot.debian.org/package/linux/4.15.11-1/ > > This kernel is more than 9 months old and I recommend you upgrade it for > security fixes alone. For testing this bug, I installed it and rebooted: > > $ cat /proc/version > Linux version 4.15.0-2-amd64 ([email protected]) (gcc > version 7.3.0 (Debian 7.3.0-12)) #1 SMP Debian 4.15.11-1 (2018-03-20) > > and indeed, the tests fail like you see. Reduced test case: > > $ sudo ip6tables -N ufw-check-requirements6 > $ sudo ip6tables -I ufw-check-requirements6 -j RETURN > $ sudo ip6tables -A ufw-check-requirements6 -p icmpv6 --icmpv6-type > destination-unreachable -j ACCEPT > ip6tables v1.8.2 (nf_tables): unknown option "--icmpv6-type" > Try `ip6tables -h' or 'ip6tables --help' for more information. > > If I use Arturo's test case, ip6tables-nft fails on this kernel as well: > > $ sudo ip6tables-nft -A FORWARD -i eth0 -p icmpv6 -m icmpv6 --icmpv6-type > no-route > ip6tables v1.8.2 (nf_tables): Couldn't load match `icmp6':No such file or > directory > > Try `ip6tables -h' or 'ip6tables --help' for more information. > $ sudo ip6tables-legacy -A FORWARD -i eth0 -p icmpv6 -m icmpv6 > --icmpv6-type no-route > $ > > This is not a bug in ufw. Please upgrade your kernel and this will start to > work. > > This may be considered a bug in iptables, so reassigning to there for now. > Seems either iptables 1.8 has kernel version requirements that need to be > expressed in iptables' Debian packaging or iptables nft needs to be > updated to > work with older kernels. > > -- > Jamie Strandboge | http://www.canonical.com >

