Package: arno-iptables-firewall
Version: 2.0.0.a-2
Severity: important
Tags: upstream
After updating from arno-iptables-firewall 1.9.2.k-4 zeroconf (MDNS) does work
any more. Investigations brought up this set of rules
Chain EXT_MULTICAST_CHAIN (2 references)
pkts bytes target prot opt in out source
destination
0 0 LOG tcp -- * * 0.0.0.0/0
0.0.0.0/0 tcp dpts:0:1023 limit: avg 6/min burst 2 LOG flags 0 level
6 prefix `AIF:PRIV TCP multicast: '
0 0 LOG udp -- * * 0.0.0.0/0
0.0.0.0/0 udp dpts:0:1023 limit: avg 6/min burst 2 LOG flags 0 level
6 prefix `AIF:PRIV UDP multicast: '
0 0 LOG tcp -- * * 0.0.0.0/0
0.0.0.0/0 tcp dpts:1024:65535 limit: avg 6/min burst 2 LOG flags 0
level 6 prefix `AIF:UNPRIV TCP multicast: '
0 0 LOG udp -- * * 0.0.0.0/0
0.0.0.0/0 udp dpt:1024 limit: avg 6/min burst 2 LOG flags 0 level 6
prefix `AIF:UNPRIV UDP multicast: '
0 0 LOG icmp -- * * 0.0.0.0/0
0.0.0.0/0 icmp type 8 limit: avg 3/min burst 1 LOG flags 0 level 6
prefix `AIF:ICMP-multicast-request: '
0 0 LOG icmp -- * * 0.0.0.0/0
0.0.0.0/0 icmp !type 8 limit: avg 12/hour burst 1 LOG flags 0 level 6
prefix `AIF:ICMP-multicast-other: '
0 0 DROP all -- * * 0.0.0.0/0
0.0.0.0/0
which obviously blocks all multicast packets. The configuration files doesn't
offer a way to let in zeroconf traffic (MDNS, UDP Port 5353) again.
With the stable version of the packet it was sufficient to open UDP Port 5353
via debconf.cfg.
Zeroconf is installed and enabled by default on a freshly installed system. So
the firewall should not block it without a remedy to reenable it.
-- System Information:
Debian Release: wheezy/sid
APT prefers testing
APT policy: (500, 'testing')
Architecture: amd64 (x86_64)
Kernel: Linux 2.6.39-2-amd64 (SMP w/2 CPU cores)
Locale: LANG=de_DE.utf8, LC_CTYPE=de_DE.utf8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Versions of packages arno-iptables-firewall depends on:
ii debconf [debconf-2.0] 1.5.39 Debian configuration management sy
ii gawk 1:3.1.7.dfsg-5 GNU awk, a pattern scanning and pr
ii iproute 20110315-1 networking and traffic control too
ii iptables 1.4.10-1 administration tools for packet fi
Versions of packages arno-iptables-firewall recommends:
ii dnsutils 1:9.7.3.dfsg-1+b1 Clients provided with BIND
ii lynx 2.8.8dev.8-1 Text-mode WWW Browser (transitiona
arno-iptables-firewall suggests no packages.
-- debconf information:
arno-iptables-firewall/config-int-nat-net:
arno-iptables-firewall/dynamic-ip: true
arno-iptables-firewall/config-int-net:
arno-iptables-firewall/icmp-echo: false
* arno-iptables-firewall/services-udp: 631 5353
arno-iptables-firewall/title:
* arno-iptables-firewall/config-ext-if: eth0 wlan0
* arno-iptables-firewall/services-tcp:
* arno-iptables-firewall/restart: true
* arno-iptables-firewall/config-int-if:
arno-iptables-firewall/nat: false
* arno-iptables-firewall/debconf-wanted: true
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