Tak już wcześniej próbowałem zdaje się, poza tym jak widać poniżej on zakłada wówczas, że chodzi o lan.
Nadal widać odpowiedzi z DNS na Chromecast. To jakiś beznadziejny przypadek.
/etc/init.d/firewall restart
Section @redirect[10] (Chromecast DNS redirect UDP) does not specify a destination, assuming 'lan'
Section @redirect[11] (Chromecast DNS redirect TCP) does not specify a destination, assuming 'lan'
tcpdump -i br-lan host 192.168.1.203 and port 53
tcpdump: verbose output suppressed, use -v[v]... for full protocol decode
listening on br-lan, link-type EN10MB (Ethernet), snapshot length 262144 bytes
20:08:41.872511 IP Chromecast-Ultra.lan.58197 > dns.google.53: 30510+ A? time.google.com. (33)
20:08:41.874120 IP Chromecast-Ultra.lan.58197 > dns.google.53: 31534+ AAAA? time.google.com. (33)
20:08:41.938233 IP dns.google.53 > Chromecast-Ultra.lan.58197: 30510 4/0/0 A 216.239.35.4, A 216.239.35.12, A 216.239.35.0, A 216.239.35.8 (97)
20:08:41.985392 IP dns.google.53 > Chromecast-Ultra.lan.58197: 31534 4/0/0 AAAA 2001:4860:4806:8::, AAAA 2001:4860:4806::, AAAA 2001:4860:4806:4::, AAAA 2001:4860:4806:c:: (145)
20:08:42.673726 IP Chromecast-Ultra.lan.45572 > dns.google.53: 22955+ A? tools.google.com. (34)
20:08:42.754742 IP dns.google.53 > Chromecast-Ultra.lan.45572: 22955 2/0/0 CNAME tools.l.google.com., A 142.250.180.78 (72)
20:08:42.788127 IP Chromecast-Ultra.lan.58286 > dns.google.53: 13743+ A? clients1.google.com. (37)
20:08:42.915593 IP dns.google.53 > Chromecast-Ultra.lan.58286: 13743 7/0/0 CNAME clients.l.google.com., A 142.250.109.139, A 142.250.109.102, A 142.250.109.100, A 142.250.109.113, A 142.250.109.101, A 142.250.109.138 (157)