Ubuntu Networking :: FTP Server With Multiple Users With Only Access To Their Own Web Root
Jul 24, 2011
I find FTP server software confusing in Linux. Using ServU for Windows for an example, all I need to do is to create users via the ServU interface and choose a folder I want that user to have access to and their permissions, and viola, they can connect to that directory, and that directory only.
But in the the land of Linux, it apparently can't be managed this easy. I have a web server with multiple domains, and therefore multiple users need access to their own web root. So with that in mind, what FTP server software should I use (there are plenty out there) and how would I go about to create a user per domain, so that they can log in using FTP to manage their site, and only have access to their own web root, and nothing else?
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Oct 9, 2010
I am looking for solution that would allow multiple users distributed over several offices in several countries to access one corporate file depository. The features I am looking for, are as follows:
- There should be the way to establish user groups and then define for each folder access level (read/write) for every user/group. Every users is given his login and password.
- This file depository should be accessed from both Linux and Windows clients
- There should be a way how to sync certain folders/files on one's PC so that it is possible to work off-line and then sync back to the common depository.
Then I plan to launch some regular backup routine on that folder where all the files of depository are kept. I can imagine that the solution could be involving several tools, ie access for Windows users might involve setting up samba server, but I don't know how to establish all the limited access stuff for Win clients via samba.
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Jun 26, 2009
Im trying to config my intranet to be accessible from inside the network (lan) without need of password and ask for a passwd for those who are viewing from Wan ....
Today my intranet can only be accessed from Lan, external access give me an Unauthorized message, I took look around, try #irc and still can get the appropriated help, I hope that someone here could help me on that...
A piece of my config:
Code:
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Aug 11, 2010
I just created a 2nd user on my computer. I've got the hard drive that ubuntu runs on, and then a 2tb drive for media. If the 2tb is mounted on my desktop, it won't show up on his desktop even if I'm logged out. It won't show up on his unless I unmount on mine.
If I'm logged out I'm obviously not using it. So why doesn't it show up? He has all privileges. Is there a way to make this work without having to unmount?
I'm running karmic btw. If you need computer info let me know what to type into the terminal and whatnot and I'll paste it all here!
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Jan 6, 2010
In researching current ldap issue (not being able to do anything but log in) it seems that there are no concepts of privileges, roles, etc. that could be assigned to a user in LDAP.
I've only seen fields that deal with name, organization, etc., not with application-specific access control.
I have to assign certain access privileges to users authenticated via LDAP server based on the privilege level mentoned in the LDAP server. How to attain this.
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Jul 17, 2009
Filter access server through the net only to authenticated users from domain controller (Win2k). Server (Centos)(Firewall with 2 nic), which makes access to the net, with only 196MB RAM (PIII500Mhz), so I do not want a solution based on proxy or what resources it uses large I want a solution with a script that runs at login on windows this check series HDD and to communicate with Linux server that's open accessor another simple solutionNow just use only MAC filtering on
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May 30, 2010
I have wicd 1.6.1 (bzr-r426) and it is working very good with my root user but with all those which have not the root rights wicd asks for superuser password to connect. I want to avoid this pop-up window to be shown, how can I proceed? I first thought about the sid and gid but it seems that there is no improvements using chmod 4755 and 2755 on the different files involved in.
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May 11, 2011
I need to customize linux kernel root file system for embedded linux system. During compile time, for root file system I am able to create different user/group ex: "gnumuzic/Muzic". But I want to give access to group "Muzic" to some folders like /dev/nexig during compile time.
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Dec 14, 2010
Is there any way to grant access to non root users to use some commands like reboot and date and some other commands that root user can work with .I tried chmod on their binaries and added them to root group but nothing happened.
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Dec 22, 2009
setting up multiple (2-3) FTP users on Ubuntu Server 9.04 I currently only have ONE FTP user, but I need to have 2.
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May 18, 2010
I have an issue with users logging into a server. There are multiple (5 or so) database admins that have to log into a windows 2003 server and from there log into a red hat server. Once they are in the rhel box they execute an app (let's say xclock) that gives them an xwindows session on their desktop. Currently only one person can do this at a time, but they have asked me to configure it to allow multiple users to log into the red hat box from the windows server and run an xwindow.
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Mar 15, 2010
I want to add some users to multiple groups. syntax of the file to pass to ldapadd? or would I use lapmodify? Does one add/modify a user record to specify the groups that user is a member of? Or does one add/modify each group record to specify which users are members?
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May 26, 2009
I am trying to configure samba for anyone of the scenarios in the subject. here's what my smb.conf looks like:
Code:
workgroup = RnD
[Samba Share]
comment = Samba share on Ubuntu!
path = /srv/sharedfolder
available = yes
[code]....
The error while trying to connect to the share is:
smbd/service.c:make_connection_snum(1082) Can't become connected user!
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Feb 26, 2010
I know this is listed somewhere but I cannot seem to find it -
How to I add a root users to access the 127.0.0.1:631 interface for CUPS?
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Dec 4, 2010
I have 2 users on my HPmini 210 netbook running Squeeze. I just found out that it does not connect to existing wireless networks when I login as the second user. Is it supposed to happen by default or am I supposed to do something to make that happen? Another problem is that when I tried to create "new connections" again for the second user, the keys won't work. The same keys are working for the first user. The network keys are WEP 64 bit HEX.
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Jun 14, 2010
I have an Openldap server and many 9.10 servers using it to check for possible ssh users. No problems there. Just brought up my first 10.04 server and went through the same procedure to allow ldap users to ssh in, works great. The problem is that ldap users cannot su to root on the 10.04 server. Only locally defined users can su to root, though they cannot su to ldap users. The local root user can su to anyone. Quick overview of how I installed ldap login:
Code:
# apt-get install libnss-ldap
# echo "session required pam_mkhomedir.so skel=/etc/skel/" >> /etc/pam.d/common-session
And added ldap to the end of these lines in /etc/nsswitch.conf:
Code:
passwd: compat ldap
group: compat ldap
shadow: compat ldap
This process has worked without a hitch on 9.10 dozens of times. So my question is, why are ldap and local users now incapable of using su across authentication mechanisms? For reference these are the error messages in /var/log/auth.log when trying to su to root from an ldap user:
Code:
Jun 14 16:17:07 server unix_chkpwd[6560]: check pass; user unknownJun 14 16:17:07 server unix_chkpwd[6560]: password check failed for user (root)
Jun 14 16:17:07 server su[6559]: pam_unix(su:auth): authentication failure; logname=ldapuser uid=2000 euid=2000 tty=/dev/pts/5 ruser=ldapuser rhost= user=root
Jun 14 16:17:09 server su[6559]: pam_authenticate: Authentication failure
Jun 14 16:17:09 server su[6559]: FAILED su for root by ldapuser
And the auth.log for trying to su to an ldap user from a local one:
Code:
Jun 14 17:18:18 server su[8473]: pam_unix(su:auth): authentication failure; logname=localuser uid=1000 euid=1000 tty=/dev/pts/0 ruser=localuser rhost= user=ldapuser
Jun 14 17:18:18 server su[8473]: Successful su for ldapuser by localuserJun 14 17:18:18 server su[8473]: + /dev/pts/0 localuser:ldapuser
Jun 14 17:18:18 server su[8473]: bad group ID `2000' for user `ldapuser': Operation not permitted
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Jun 4, 2010
I recently made the migration from mbox to maildir.I use postfix, spamassassin, dovecot for imap and procmail for delivery.I made the changes for Maildir to postfix main.cf, dovecot's dovecot.conf and procmail's procmailrc.All good, working well.Just noticed though, that mail marked as spam and filtered by procmail to be put in the users ~/Maildir/.spam/new folder are owned by root. Not allowing the users to even see it (600 perms)
So postfix sends all mail to Procmail:
mailbox_command = procmail -a "$EXTENSION"
But not all mail is effected, only mail picked up by this receipe in the /etc/procmailrc:
[code]...
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Dec 29, 2010
I'm in the process of starting a migration from an old postfix server to nice shiney new exim server however there are a few things i'm really not clear on and i'm hoping that some one here could point me in the correct direction. Okay the postfix server at the moment does the follwoing ( i'll try and keep this simple ):
* accepts incoming mail for users on multiple domains and puts the mail in the users mailbox ( external -> internal )
*accepts mail from users on multiple domains to pass on to the outside world ( internal -> external )
Obviously the POP and Imap functions are handled by other daemons.. I'd like to replicate this sort of setup on the new exim box, however the guides i can find only help with configuring the exim system for incoming mails ( external -> internal ) for multiple domains and i cant seem to find a guide that would indicate how to do both ( internal -> external and external -> internal ) on one box. I'm guessing i may have to do some sort of auth to get exim to accept and then handle the internal -> external side of things?
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Mar 16, 2011
How to prevent a user sending a mail to a particular user in an intranet mail server?I tried with /etc/mail/access file but could not.
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Sep 15, 2009
i have created a user like this :
useradd -d /home/testuser -s /bin/bash -c "Test User" testuser
passwd testuser
After this beeing done, i whant to login with this user via ssh using putty. Do i have to set-up something in centos 5.3 to allow user logins via ssh? With root user i can login without problems.
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Jun 6, 2010
i have squid 2.6 server running on rhel5. by default teamviewer access is deny. i want to allow access of teamviewer but not getting.
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Dec 30, 2010
The question is related to one single desktop machine, with 3 users.
1) the superuser (me)
2) My elder son
3) My younger son.
As superuser, I can access the network (internet router) via "Wicd" perfectly well.
Both Client users can't.
Do I have to give them special user priviledges? If yes, which ones?
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Aug 14, 2009
I am trying to set up a network where users can login to a central server which gives access to a partition depending on their role in the company e.g development or HR.my ideal world would be a computer sits on the desk. someone comes along logins they have all their files. they can then login with the same user information else where in the office.
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Sep 15, 2009
Having set up many windows servers with complex permissions on shared folders, I now have to do the same in Linux (and I'm such a noob to Linux) I understand that each file/folder is assigned a user + group, and that the rights can be set for the user, the group and global (aka everybody else) My challenge is this, inside my shared folder there is a folder that should be RW to some users, READ ONLY to others, and not accessible at all to the rest of the users. (lets call the folder MyFolder ) All 3 groups have more than 1 user, so they have to be groups (right?) How would this model work in Linux ? If there is no other way, I guess I can nest the MyFolder in a folder that has permissions to allow all users that may access MyFolder, and block the rest, then on MyFolder, set owner group the RW users, and set global to READ ONLY.
Ps : The server I'm setting up runs Debian Lenny, files will be accessed from windows workstations using samba.
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Mar 4, 2010
I installed Samba on CentOS, create a principal share called "public" . I want to populate this share with subfolders, and to grant access rights to specific folders for specific users. The content of "public" will be visible for all Samba users, but they will have read/write access only to the specified subfolders based on my security policy. I need the best way for doing this kind of stuff...
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Mar 28, 2011
I spent some time programming a useful script which presents the user with a UI of all the samba/W2K8 servers and shares on the domain and they check off the shares and the script maps them. The script can only be run as root because mount doesn't allow users to execute. I was asked to modify the script to allow non-root users similar features. I was able to get this working by running the commands:
Code:
# chmod +s /sbin/mount.cifs
# chmod +s /sbin/umount.cifs
Can someone please explain to me what the 's' option means? The man pages only go as far as to say that it allows for setting suid but I don't really know understand that means or what the implications are by doing this. In a perfect world I would like to create a security group and add users into that group and then grant that group permission to run mount.cifs/umount.cifs rather than making such a drastic global change to a core binary. how I might go about granting members of a group permission to run hand-selected commands like mount.cifs?
Post added at 07:07 PM Previous post was at 04:40 PM Ok, I read up on the /etc/sudoers man page and I think I have a more elegant solution to this problem of user mountable samba shares. I restored my mount.cifs back (chmod -s /sbin/mount.cifs) and I used visudo to grant the access.
Code:
%smbusers ALL=NOPASSWD:NOEXEC:/sbin/mount.cifs,/sbin/umount.cifs
This allows any users in the smbusers group to run mount.cifs/umount.cifs with sudo but without being prompted for a password.
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Apr 1, 2010
I have managed to configure AWstats to work from one server to access the log files for multiple websites on multiple servers and even managed to write a little front end php site to access all the different conf files. I want to know if there is a way of combing two conf files for the same site but are on two different servers in a loadbalanced situation. so my conf files look something like: [URL].. I have to monitor bandwidth for our websites and its gets tedious switching between the various conf files for the same site and totaling it up so I was hoping I could combine the output of both conf files on screen using some funky command in the awstats.pl script
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Jan 18, 2011
How can i see history of all sudo users and all root users in fedora 13 ? history command only shows one users history ?
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Feb 22, 2010
My question is probably very common, but I didn't find an answer.I have several computers, each with different user. Each user has a shared folder in samba. I want all users to access all these shares with a single login/password (not with the login/passw of each particular user)
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Oct 21, 2010
I have an application running inside our lan on server 192.168.0.1:8080. I have configured gateway firewall to direct all traffic on port 80 to port 8080 on 192.168.0.1. So I can access the application from outside lan. Now the problem starts when the application redirects the traffic to another server 192.168.0.2 according to the input of the users. How can I configure the whole system so that I can access the application running on second servers also?
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