On 3/24/2016 11:43 AM, Dirk Fassbender wrote: > Am 24.03.2016 um 15:12 schrieb Unknown Sender: >> I noticed this bug for the first time today on a computer that has the >> computer name "-" (dash). >> >> During ssh-host-config: >> *** Query: Do you want to use a different name? (yes/no) no >> /usr/bin/getent: invalid option -- '+' >> Try `getent --help' or `getent --usage' for more information. >> *** Query: Create new privileged user account '-\cyg_server' (Cygwin >> name: 'cyg_server')? (yes/no) yes >> >> I suspect this has to do with the computer name because getent & >> ssh-host-config have never failed this way for me before. Moreover >> getent seems to be able to query the computer name, and the error >> message makes me think that it may be connected. >> >> I included the 2nd query just to show that it continued the process >> after the error occurred. I'm not sure if this error is going to cause >> problems down the line. >> >> Will I be encountering tons of problems with a computer name of "-"? >> It seems to only be a problem right here & right now. >> > Hello, > > the computer name "-" (dash) is illegal in the internet.
Uh, that isn't true. > So many network utilities will have problems with this name. > This might be true but doesn't invalidate the use of the hyphen. > See > https://en.wikipedia.org/wiki/Hostname > for a start about host name definitions. > >From this reference: "The Internet standards (Requests for Comments) for protocols mandate that component hostname labels may contain only the ASCII letters 'a' through 'z' (in a case-insensitive manner), the digits '0' through '9', and the hyphen ('-'). The original specification of hostnames in RFC 952, mandated that labels could not start with a digit or with a hyphen, and must not end with a hyphen." Note that hyphen (a.k.a. dash) is permitted. -- cyg Simple -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
