21 Mar
2017
21 Mar
'17
10:27
On Tue, Mar 21, 2017 at 10:53 AM, Carlos E. R. robin.listas@telefonica.net wrote:
cer@minas-tirith:~> ping ?????????.?? ping: unknown host ?????????.??
Yes, ping does not parse idn hostnames, this post is about BIND related tools. ping makes no use of them.
To fix ping:
- Port it to use unprivileged ICMP sockets. so the binary is no longer ever running with elevated capabiltiies (cap_net_raw in current products, setuid root in other releases) and the risk of linking another library (in this case idnkit or whatever) is lowered.
- make it understand IDN with such library.
- profit :-)
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