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IDN2(1)                                                                IDN2(1)

NAME

idn2 - Libidn2 Internationalized Domain Names conversion tool

SYNOPSIS

idn2 [OPTION]... [STRINGS]...

DESCRIPTION

idn2 tool converts DNS domains from UTF-8 to ASCII compatible encoding (ACE) form, as used in the DNS protocol. The encoding format is the Internationalized Domain Name (IDNA2008/TR46) format. All input strings are expected to be encoded in the locale charset. To process a string that starts with -, for example -foo, use -- to signal the end of parameters, as in idn2 --quiet -- -foo. Mandatory arguments to long options are mandatory for short options too. -h, --help Prints help and exits. -V, --version Prints version and exits. -d, --decode Decode an ACE name according to IDNA2008. -l, --lookup Encode to ACE according to IDNA2008 (the default). -r, --register Registers a label. -T, --tr46t Enable TR#46 transitional processing. -N, --tr46nt Enable TR#46 non-transitional processing (default). --no-tr46 Disable TR#46 processing. --usestd3asciirules Enable STD3 ASCII rules. --debug Prints debugging information. --quiet Silent operation. Author Written by Simon Josefsson. Reporting bugs Report bugs to the gitlab issue tracker of the project https://gitlab.com/libidn/libidn2/issues. May 2019 IDN2(1)

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