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Subject: Re: Unix networking question

Author: Robert Hyatt

Date: 20:18:52 01/04/01

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On January 04, 2001 at 18:02:56, Ed Panek wrote:

>hello,
>  I just installed my Unix box at home to do proxy serving, however I noticed
>something weird...
> I can't connect to another computer in my network at home using ftp. It just
>works with telnet.
>
> I have this line in /etc/inetd.conf
> ftp    stream  tcp    nowait  root    /usr/sbin/tcpd  in.ftpd -l -a
>
> But "unfortunately" there is no in.ftpd in /etc/sbin just in.telnetd,
>in.rlogind and so on ....
>
> How can I "add" in.ftpd there??
> If that's the ftp server - how can I start it ??
> Sorry for these questions but I'm new to networking .....

Sounds like a redhat install, and sounds like you didn't do "everything".  You
can find the right RPM and install from that, or download the ftp tar file from
any linux mirror site and install it yourself...



>
>  Also as a side question... How does unix encrypt users passwords? What's
>"salt" sequence? How does unix use Des algorithm?
> thanks a lot!!!
>
>   Ed


There is no "decryption".  It takes the password, and basically hashes it and
compares it to the already hashed password value stored in the /etc/passwd or
/etc/shadow file.  It is a "one-way" algorithm.

DES can be used when encrypting/decrypting data files...




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