Hello Stephen, Am 2008-08-01 21:53:38, schrieb Stephen Gran: > [EMAIL PROTECTED]:~$ sudo adduser ass1234567890123456789012345678901234567890 > Adding user `ass1234567890123456789012345678901234567890' ... > Adding new group `ass1234567890123456789012345678901234567890' (1004) ... > groupadd: ass1234567890123456789012345678901234567890 is not a valid group > name > adduser: `/usr/sbin/groupadd -g 1004 > ass1234567890123456789012345678901234567890' returned error code 3. Exiting. > > [EMAIL PROTECTED]:~$ man groupadd | grep Groupnames > Groupnames must begin with a lower case letter or an underscore, and > Groupnames may only be up to 16 characters long. > > I'm reassigning to passwd since that's what's refusing to add the group > (which you might have noticed had you read the output, but oh well).
The GROUPs I am using are
private:x:1000:
business:x:1100:michelle.konzack
development:x:1200:michelle.konzack
server:x:1400:michelle.konzack
debian:x:1600:michelle.konzack
redhat:x:1700:michelle.konzack
cybercenter:x:1800:michelle.konzack
omega:x:1900:michelle.konzack
so noting longer then 16 characters. I have tested it with:
[EMAIL PROTECTED]:~] adduser --home /home/test --shell /bin/bash
--force-badname --uid 3000 --ingroup debian --gecos ",,,,,"
abc123456789012345678901234567890
Adding user `abc123456789012345678901234567890' ...
Adding new user `abc123456789012345678901234567890' (3000) with group `debian'
...
useradd: invalid user name 'abc123456789012345678901234567890'
adduser: `/usr/sbin/useradd -d /home/test -g debian -s /bin/bash -u 3000
abc123456789012345678901234567890' returned error code 3. Exiting.
It seems, "GROUP =< 16" and "USER =< 32". Not realy nice, if you can
imagine, I have an dictionary attack on one of my mail server with now
over 86.000.000 different combinations of alpha-numeric logins in the
last 4 years. (The server is used in the french Governement :-/ )
Thanks, Greetings and nice Day/Evening
Michelle Konzack
Systemadministrator
24V Electronic Engineer
Tamay Dogan Network
Debian GNU/Linux Consultant
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##################### Debian GNU/Linux Consultant #####################
Michelle Konzack Apt. 917 ICQ #328449886
+49/177/9351947 50, rue de Soultz MSN LinuxMichi
+33/6/61925193 67100 Strasbourg/France IRC #Debian (irc.icq.com)
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