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plugin/bind: Discard link-local addresses on binding by interface name (#4531)

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* Discard link-local addresses on binding

Signed-off-by: Mohammad Yosefpor <myusefpur@gmail.com>

* Update plugin/bind: README.md

Signed-off-by: Mohammad Yosefpor <myusefpur@gmail.com>

* Except for IPv6 link-local only

Signed-off-by: Mohammad Yosefpor <myusefpur@gmail.com>
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Mohammad Yosefpor 2021-03-18 13:24:57 +03:30 • committed by GitHub
parent 1b2f0bef6f
commit deb09c8905
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2 changed files with 4 additions and 2 deletions
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4
plugin/bind/setup.go
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@ -37,7 +37,9 @@ func setup(c *caddy.Controller) error {
}
for _, addr := range addrs {
if ipnet, ok := addr.(*net.IPNet); ok {
all = append(all, ipnet.IP.String())
if ipnet.IP.To4() != nil || (!ipnet.IP.IsLinkLocalMulticast() && !ipnet.IP.IsLinkLocalUnicast()) {
all = append(all, ipnet.IP.String())
}
}
}
}