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Why does Squid say: “Illegal character in hostname; underscores are not allowed?

April 26, 2017allowed character hostname illegal Squid underscores

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Why does Squid say: “Illegal character in hostname; underscores are not allowed?

3 Answers

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See the above question. The underscore character is not valid for hostnames. Some DNS resolvers allow the underscore, so yes, the hostname might work fine when you don’t use Squid. To make Squid allow underscores in hostnames, re-run the configure script with this option: % ./configure –enable-underscores …

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See the above question. The underscore character is not valid for hostnames.

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Posted

See the above question. The underscore character is not valid for hostnames. Some DNS resolvers allow the underscore, so yes, the hostname might work fine when you don’t use Squid.