A chroot on Unix operating systems is an operation that changes the apparent root directory for the current running process and its children.

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Setting up a chroot sftp on debian server

I'm trying to allow a user "user" to access my server by either sftp or ssh. I want to jail them into a directory with chroot. I read the instructions here however it does not work. I did the ...
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+100

Changing password of a sftp chrootDirectory stops it from logging in

So I have a chrootdir setup in sshd_config to a folder, and the user myuser, it's been working fine for months, then today I wanted to change myuser's password, so I did this with passwd, then ...
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1answer
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VSFTPD - Change User Home Directory

I need to update a ftp user's home directory. Could I run the userdel command then re-add the user without losing the directory the user was attached to? Or is there another way to change the user's ...
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2answers
25 views

SSH failing for jailed account

I tried to setup a chroot jail for a user account I specifically setup for ssh. I set it up and it seemed to work fine yesterday but today it is not working. It doesn't seem to be an SSH issue since ...
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3answers
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vsftpd: refusing to run with writable root inside chroot

I want to setup a anonymous only ftp server (able to upload files). Here is my config file: listen=YES anonymous_enable=YES anon_root=/var/www/ftp local_enable=YES write_enable=YESr. ...
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1answer
14 views

How to identify that BIND is running under chroot

I am trying to run BIND under chroot on Ubuntu and CentOS. Installing it on CentOS is pretty straight forward with just installing the packages - bind and bind-chroot, while Ubuntu is a little more ...
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1answer
1k views

Unable to setup git with jailed user

I have performed below steps to setup jailed user here username is test3 mkdir -p /home/test3/{dev,etc,lib,usr,bin} mkdir -p /home/test3/usr/bin chown root.test3 /home/test3 mknod -m 666 ...
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2answers
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Is it advisable to run Apache in a chroot jail?

I have been advised by a sysadmin guy I know, to run Apache in a chroot jail, for increased security. I have the following questions: Is this advisable (i.e. are there any 'gotcha's that I need to ...
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1answer
5k views

vsftp error: 500 OOPS: child died

I installed vsftp, and then setup the config file as following: anonymous_enable=NO local_enable=YES write_enable=YES local_umask=022 chroot_local_user=NO chroot_list_enable=YES ...
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2answers
1k views

Chroot doesn't work in PHP5-FPM + nginx

I have added two line in: "/etc/php5/fpm/php-fpm.conf". There are: chroot = /home/user/www/public_html chdir = / In the server section of my: /etc/nginx/sites-available/default: root ...
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1answer
30 views

Create a Web User

I am running Apache 2.4.8 on Arch Linux, but that doesn't matter really. I would like to create a user who is devoted to web management. I have created a user, a group, and added the user to the ...
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1answer
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500 OOPS: vsftpd: refusing to run with writable root inside chroot() Login failed on debian

I install vsftpd for running FTP server on debian 7.3. I checked vsftpd version was 2.3.5 and i configure it like so: listen=YES local_enable=YES write_enable=YES chroot_local_user=YES ...
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3answers
2k views

Problem with symbolic links in FTP client

I've recently run into some problems while trying to setup a FTP server a certain way. I have a client who has a LOT of data put into one folder. The client then has various directories by which the ...
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1answer
370 views

How to create virtual users in vsftpd?

I am running vsftpd on my Debian squeeze server. I configured it to chroot local users into their /home/ directory. Now, the problem is that users' web pages are outside of their /home/ directories ...
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3answers
4k views

Proftpd: How to set default root to a users home directory without jailing the user?

I've installed proftpd on my debian box but I'm having having some trouble with the configuration. In my proftpd.conf I've added; DefaultRoot ~ !ftp_special This works fine in that all users ...
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1answer
75 views

SFTP chroot to /var/www stopped working

04 and setup sftp chroot to /var/www for our 2 developers. I followed the guide available online (referenced a few other as well) http://www.krizna.com/ubuntu/setup-ftp-server-on-ubuntu-14-04-vsftpd/ ...
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1answer
53 views

SecChrootDir Jailing apache 2.2.X on Centos 6.7

I was trying to do apache jailing on centos 6.7 with modsec. I already built everything even the jail directory and remodeled the config files. httpd(apache) says it started nicely, however its dead. ...
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1answer
163 views

Should Postfix run chrooted if it already is in it a FreeBSD jail?

I'm running Postfix together with Dovecot and a few milters in a FreeBSD jail. Is there a significant security gain when I run SMTP and SMTPD daemons chrooted as well?
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4answers
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Is there a windows equivalent to chroot?

On a *nix system I can use a chroot to isolate two processes from each other and from the rest of the system. Is there any similar security system under windows? Or is there any way to prevent two ...
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3answers
1k views

Defining hard links in puppet

Is there a way to define hardlinks inside puppet manifest? It seems file type can only define symbolic links, but I need it to be hard links in order to make some of my chrooted applications to work. ...
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0answers
242 views

Why is update-grub unable to find my root device?

I created a new root partition and I am trying run update-grub inside a chroot. I bindmount the following for i in /dev /dev/pts /proc /sys /run; do sudo mount -B $i /mnt$i; done And then: ...
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1answer
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vsftp: why is allow_writeable_chroot=YES a bad idea?

There are several thousand blog posts about vsftp and allow_writeable_chroot=YES The common error message: Fixing 500 OOPS: vsftpd: refusing to run with writable root inside chroot () I solved ...
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1answer
16 views

Chroot Jailing groups via sshd_config for FTP results in connection aborted for all members in that group

I am attempting to chroot jail using the /etc/ssh/sshd_config file. My FTP server is vsfptd, and while I know how to chroot jail using vsftpd's config, I want to try it using sshd_config. However, ...
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1answer
43 views

What are the correct Linux permissions inside chroot jail with userspec

I am trying to setup a chroot jail, then I did: which binary ldd /bin/binary Then I did: cp /lib64/{libs} $jail/lib64 cp /usr/lib64/{libs} $jail/usr/lib64 PS: During this setup, I discovered ...
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2answers
108 views

permission denied on authorized_keys

I am attempting to set up SFTP for chrooted users, and use SSH public key authentication. In this example I'll be working with the dummy user "globocorp" who's a member of "sftpusers". This user is ...
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0answers
30 views

Run Crontab command in jailed enviroment

I had created a user account in my server. And I created a jailed enviroments for that user. One thing i need is how to run crontab command in jailed enviroments. I tried add bash crontab to ...
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1answer
50 views

To chroot or not to chroot (using alternatives)

For a VPS with some small websites, some users need SFTP-access. I want jail them in their own /home/-directory. This directory contains the data for the website. This is all new for me, so i need ...
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1answer
1k views

Jailkit not locking down SFTP, working for SSH

I installed jailkit on my CentOS 5.8 server, and configured it according to the online guides that I found. These are the commands that were executed as root: mkdir /var/jail jk_init -j /var/jail ...
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1answer
131 views

How to add user with SFTP access to '/var/www/html/adir' folder on Amazon EC2?

This question is very much related to this question. The answer there is useful, but unfortunately incomplete. How to add user with SFTP/ FTP access to '/var/www/html/website_abc' folder on ...
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1answer
65 views

internal-sftp -u 002 is ignored for copied files

I configured OpenSSH like this Subsystem sftp internal-sftp Match Group sftp ForceCommand internal-sftp -u 002 AuthorizedKeysFile /home/sftp/ssh/%u ChrootDirectory %h ...
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1answer
228 views

VSFTPD allows root access despite being listed in ftpusers file

I've installed VSFTPD on a LEMP stack on Ubuntu 14.04. The only significant changes made to vsftpd.conf are: anonymous_enable=no local_enable=yes write_enable=yes chroot_local_user=yes ...
0
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1answer
66 views

named-sdb (bind) can't resolve mysql hostname in chroot

When running bind in chroot, the mysql dlz driver cannot resolve the hostname of the mysql server (rds). Using amazon ami (centos based) in VPC. Aug 25 10:22:27 paper named-sdb[6812]: Loading 'Mysql ...
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1answer
241 views

schroot only works as root

I recently changed my OS from openSUSE to CentOS. A part of that transition was migrating my chroot jails and schroot configuration. That transition does however not seem to be "plug and play". I used ...
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1answer
164 views

How to lock a user into a directory (not SSH)

I have regular users who are not SSH'd into a machine but are accessing the machine directly. How can I lock them into their home directory or any directory? At the moment they can successfully run rm ...
0
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1answer
130 views

VSFTPD Cant perform anon uploads. 500 OOPS

I can't get my vsftpd config to allow anon root uploads. $ vsftpd -v $ vsftpd: version 3.0.2 $ cat /etc/vsftpd.conf # Example config file /etc/vsftpd.conf # # The default compiled in settings are ...
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2answers
25k views

bad ownership or modes for chroot directory component

I created the user MY_USER. Set his home dir to /var/www/RESTRICTED_DIR, which is the path he should be restricted to. Then I edited sshd_config and set: Match user MY_USER ChrootDirectory ...
2
votes
3answers
5k views

ubuntu bind9 AppArmor read permission denied (chroot jail)

I am trying to run bind9 with chroot jail. I followed the steps mentioned at : http://www.howtoforge.com/debian_bind9_master_slave_system I am getting the following errors in my syslog: Jul 27 ...
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0answers
23 views

Setting up a secure SFTP drop folder for serving web pages

I've set up a chrooted sftp folder following the instructions here: http://www.thegeekstuff.com/2012/03/chroot-sftp-setup/ It works fine, my only problem is it appears there is a glaring ...
0
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1answer
82 views

sftp server chroot initial directory

I have configured an sftp server with chroot and it works fine, the only thing that is bothering me is the initial landing directory, since the sftp user does not have write permissions in the landing ...
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1answer
123 views

What is the best method of installing programs into a chroot / jail?

On a Debian based system... I have created a minimal chroot/jail using a script similar to the one at https://github.com/pmenhart/make_chroot_jail/blob/master/make_chroot_jail.sh with the goal of ...
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2answers
1k views

Setup secure shared hosting (Apache, PHP, MySQL)

So I'm setting up a shared hosting with Apache, PHP, MySQL and the biggest question mark is how to do with PHP, since there is a million options out there how to configure it securely. The plan is: ...
0
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1answer
32 views

Restrict SFTP folder with PHP permisions

I want an user to have access to /var/www/domain.com/public_html so I followed this tutorials, but with my modifications so I can have my users upload directly to their domains: ...
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5answers
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Ubuntu - can non-root user run process in chroot jail?

Is it possible for a non-root user to run a chroot process on Ubuntu?
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1answer
1k views

A proper way to create a chrooted SSH on CentOS 7 [closed]

There are a lot of tutorials of how to create a chrooted SFTP, but I would like to use SSH, because it is much faster to simply wget, unzip, mysql and mysqldump than tossing around the FTP and ...
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1answer
35 views

vsftpd chroot configuration

I'm having problems setting up correctly VSFTPD with chroot on a Ubuntu 14.04 (LTS) server. No matter what I try, I keep being allowed to freely navigate the server. Here is my /etc/vsftpd.conf file ...
0
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1answer
244 views

SSH - ChrootDirectory not working

I am trying to chroot a "test" user (group sftp) to /home/test. I've added the following lines at the end of my sshd_config: Subsystem sftp internal-sftp Match User test ChrootDirectory ...
2
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1answer
262 views

Set Initial Remote Working Directory in SFTP

I am running Amazon Linux AMI (Red Hat derivative), and am creating a new SFTP server using OpenSSH. I would like for the SFTP user to be restricted to a directory, and to be able to write to the ...
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2answers
428 views

Chroot user to an existing folder witch parent owner isn´t root [closed]

We have moodle installed on our company and due to big SCORM packages + slow conection + proxy, I usually upload them with SFTP with my root user. Now, I want to give users a way to upload files by ...
0
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0answers
205 views

SFTP chroot jail not working

Trying to follow this tutorial but for Arch Linux. /etc/ssh/sshd_config: # override default of no subsystems #Subsystem sftp /usr/lib/ssh/sftp-server Subsystem sftp internal-sftp ...
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0answers
121 views

Bad File Descriptor when trying to use SFTP with chroot

I am on CentOS 6.5 using OpenSSH_5.3p1. I have attempted to set-up a chroot environment. After connecting using SFTP, when I use the 'ls' command, the connection is closed. The following is being ...