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Old 08-16-2002, 04:39 PM   #1
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Registered: Aug 2002
Distribution: redhat
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ident probs

I'm pretty new to linux. i managed to setup my network redhat7.2 /win2k but i'm still having some little problems

When i try to connect to irc (kvirc) or to an ftp with pftp I have problems to login cause it doesn't take my ident although I'm running identd. How do i fix this and how do i define what ident it sends to the server asking? Ident should work both on linux as on windows ofcourse

Old 08-16-2002, 05:11 PM   #2
Registered: Feb 2002
Location: Grenoble
Distribution: Debian
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It's not a good idea to run identd. It shows too much info about you. It's much better to block it on your firewall, but using REJECT, not DENY/DROP. Such configuration will make irc work. Look how is your firewall configured now.
Old 08-16-2002, 05:23 PM   #3
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I'm using REJECT, some ircservers work without ident others don't but I need identd running to connect to some ftp's. I can't login without it
Old 08-16-2002, 06:02 PM   #4
Registered: Feb 2002
Location: Grenoble
Distribution: Debian
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I still think it's not a good idea, there must be another reason why it is not working. Is there an anonymous ftp among those you can't conect to, so I can look into this?
Identd should work correctly after starting it. Look for .noident file in your home directory. Ident configuration file is /etc/identd.conf. You can read about it's options using 'man identd' (compare it with options you have set up).
Old 08-17-2002, 05:21 PM   #5
Registered: Mar 2002
Location: dev/null
Distribution: redhat, mandrake
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hmmm RH doesnt come standard with identd.
pimpd is a good ident daemon.. all u need to do is download it, compile it and copy the file in a certain dir and make a file named auth in /etc/xinetd.d/ saying:
service auth
flags = REUSE
socket_type = stream
protocol = tcp
wait = no
user = nobody
server = /usr/sbin/pimpd

that's about it, pretty easy
Old 08-17-2002, 11:29 PM   #6
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Registered: Jul 2002
Location: New Hampshire, USA
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From the "Security-Quickstart-HOWTO:"


If identd is required, there are some configuration options that can
greatly reduce the information that is revealed:

/usr/sbin/in.identd in.identd -l -e -o -n -N

The -o flag tells identd to not reveal the operating system type it is
run on and to instead always return "OTHER". The -e flag tells identd to always return "UNKNOWN-ERROR" instead of the "NO-USER" or "INVALID-PORT" errors. The -n flag tells identd to always return user numbers instead of
user names, if you wish to keep the user names a secret. The -N flag
makes identd check for the file .noident in the user's home directory for
which the daemon is about to return a user name. It that file exists then
the daemon will give the error "HIDDEN-USER" instead of the normal
"USERID" response.


On my system [Slackware8.0], it is run from /etc/inetd.conf like so:

auth stream tcp wait nobody /usr/sbin/in.identd in.identd -P /dev/null


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