Anonymous FTP->/dosc/...

Anonymous FTP->/dosc/...

Post by Johannes Stil » Thu, 31 Aug 1995 04:00:00






>> Anonymous ftp does a chroot(2) to ~ftp to limit the possible damage to
>> your file system. Obviously sym-links can not bypass this... however
>> there are two easy solutions:

>> 1. Put the stuff in anon-ftp area and use symlinks everytwhere else.
>> 2. NFS mount the stuff read-only from localhost somewhere within the
>>    anon-ftp area.

>> Looking at your situation I suggest option 2 (besides if you do it
>> properly it is more secure as a bonus). For a server get the user
>> space nfsd and mountd from sunsite (system/Networking/... I
>> think). You already have the port mapper, etc.

>Can you "spell out" how I would do this option 2? Basically I need to
>know exactly what I'm supposed to do to get a directory called /ftp/music
>that is -> to /dosc/music
>I want EVERYONE (anonymous users) to be able to access it, not just the
>people who have accounts on my system.

Make an empty directory /ftp/music.

Put this line into /etc/exports:

/dosc/music     localhost

Make sure that rpc.mountd and rpc.nfsd are started when your machine is
booted (with Slackware, uncomment them in /etc/rc.d/rc.inet2).

Put this line into /etc/fstab:

localhost:/dosc/music   /ftp/music      nfs     defaults        1 1

With a standard installation like Slackware, that should be all.
Otherwise check that the first "mount -a" call has the option "-t nonfs"
and that you later (e.g. rc.inet2) do a "mount -a -t nfs".

        Johannes

 
 
 

1. Anonymous FTP->/dosc/...

Can you "spell out" how I would do this option 2? Basically I need to
know exactly what I'm supposed to do to get a directory called /ftp/music
that is -> to /dosc/music
I want EVERYONE (anonymous users) to be able to access it, not just the
people who have accounts on my system.

Daevid.
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