On Fri, Jun 22, 2018 at 05:21:08PM -0400, Eric Covener wrote: > After CVE-2016-8743 we only accept hostnames that are valid in DNS, > which notably excludes underscores. But it seems like 7230 does not > require HTTP Host: to use a DNS registry, and excluding '_' should > have broken IDN (punycode) international domain names. > > Meanwhile I have seen several reports of e.g. departmental servers or > proxypreservehost=off-like failures with hostnames w/ underscores. > > Should we be more tolerant here, or offer an option? > > [ ] No > [X] Just underscores, which seems to come up alot?
Yup, we had Fedora users complain about this as well after 2.6.25, +1 for underscores in hostnames allowed by default. Regards, Joe
