alive6(8) IPv6 alive6(8) (NAME) alive6 - IPv6 (SYNOPSIS) alive6 [-CFHLMPSdlpvV] [-I ip-] [-i ] [-o ] [-e ] [-s ] [-a ] [-u ] [-T ] [-W ] [--- [-]] (OPTIONS) -i . -o . -d IPv6 DNS. -M (). -C -CC . -4 /ipv4 IPv4 . -p (). -e dst,hop : destination () hop-by-hop. -s TCP-SYN . -a TCP-ACK . -u UDP . -h . 2001:db8::1-fff . (AUTHOR) thc-ipv6 van Hauser / THC . : (COPYRIGHT) alive6 3.8 (c) 2020 by van Hauser / THC www.github.com/vanhauser-thc/thc-ipv6 THC 2026-02-07 alive6(8)