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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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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447 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
106 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
167 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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1answer
410 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 /home/...
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408 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
322 views

Files uploaded using FileZilla with SFTP are missing permissions

I am using chroot in sftp. And it works perfectly, but files uploaded with FileZilla are stored without any permissions (basically 000). ---------- 1 cwsftp sftp 4364328 Jan 19 16:02 hygq8KAZ3seC.128....
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1answer
176 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 ...
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1answer
419 views

Chrooted user can't login with SSH

I created a new user with no shell access like this: useradd -g www -d /www/user01 -p ****** -s /sbin/nologin user01 Then in my sshd_config I add those lines: AllowUsers user01 user02 manager ...
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2answers
178 views

server side cd on sftp client connect

Is there a way with sftp to have it configured server-side to run a cd command when a client connects? I have my users thrown in to chroot, the folder has to be root:root chowned and cannot be ...
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1answer
2k views

Only allow user SSH access to one directory

I have a server running Centos 6.4 and I need to allow a freelancer access to one folder on the server to upload some code and do some testing - I have set their home directory in /etc/passwd to: ...
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1answer
544 views

How to set ulimit in chroot with --userspec

I have script to create a minimal chroot (below), but I can't figure out how to get ulimit to work on the chroot'ed process: #!/bin/bash user=$1 apps="$2" cmd_to_run="$3" shift 3 directory="...
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2answers
204 views

SFTP Chroot Ubuntu 10.10

I'm trying to give an SFTP only access to his home directory to a user. This is the /etc/passwd line for the user: bob:x:1003:1003::/home/bob:/bin/false I edited the /etc/ssh/sshd_config file like ...
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1answer
179 views

Cannot get static file with chroot wordpress

I was trying to configure chroot with php-fpm and mysql. I managed to work it out, however when I try to reach files other than index.php (like css, png etc.) it keeps giving 404. However when I ...
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1answer
520 views

Run chroot's /etc/init.d on system startup?

So I have this dedicated server that is running Debian. I have an intense business need (client's requirement) that I also install Gentoo as a Chroot. I have successfully done so, but now, I am ...
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2answers
642 views

chroot: can't resolve domain names [closed]

i can't resolve domain names in chrooted environment - in the normal shell it works fine. i'm using plesk 11.5 and my chroot environment contains the following: https://gist.github.com/xarem/...
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485 views

force group assignment in chrooted sftp environment

I've got the following setting: There are several users /home/user1, /home/user2, and so on. Additionally there is a user /home/sftp-all. The folder /home/sftp-all/shared is mounted in every other ...
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669 views

Set Users as chrooted for sftp, but allow user to login in SSH

I have setup a ssh server on debian 7, to use sftp connection. I chrooted some user, with this config: Match Group sftpusers ChrootDirectory /sftp/%u ForceCommand internal-sftp But if i ...
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117 views

Need help having a particular setup for vsftp with virtual users with access to a particular folder

as part of some services we are offering to some companies, we have gradually became the hosting providers for them using amazon services. so we host 2 web sites on amazon. the root documents for the ...
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1answer
249 views

Is it worth to use chroot when running web applications?

My setup: In production I'm using one virtual server per one web application shard. Shards are behind load balancer. In backstage we run web application + DB on a single virtual server. The ...
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1answer
2k views

cygwin sftp chroot cannot view contents of bound mountpoint

I'm trying to give user2 access only to his home directory and full permissions on /cygdrive/e. I created a Data/ directory within his $home, added a bind directive in /etc/fstab (see below), and ...
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599 views

Cannot log in via chroot SSH

I not only want to transmit files via sftp, but also want to log in via ssh. Here is what I changed in sshd_config Match Group ssh_jail ChrootDirectory /mnt/chroot I have mounted /mnt/chroot/...
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72 views

updatedb within chroot

I'm running a Debian wheezy under chroot and I notice that updatedb doesn't work ! I think it's because of missing entries inside fstab. Am I wrong ? Any advice to fix this ?
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2answers
1k views

CURL in PHP chroot'ed environment

How can I find out what files or sockets are needed by Curl when running in a chroot'ed PHP environment on Mac OSX? I recently secured my website by chrooting PHP but now every call to Amazon S3 ...
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1answer
1k views

Postfix chroot jail doesn't work

Trying to setup Postfix to run chrooted. Only bit of info on this comes from the man page which simply says to follow the instructions in master.cf. master.cf is self explanatory, just set 'y' in the ...
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1answer
462 views

gcc sandboxing tool - AppArmor / CHROOT jail on Ubuntu 12.04

We have a Node application as the front end to a C++ sandboxing tool, which compiles code using gcc and outputs the result to the browser. e.g. exec("gcc -o /tmp/test /tmp/test.cpp", function ...
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3k views

SFTP, Chroot problems on Redhat

I'm having problems setting up sftp with a ChrootDirectory. I've done an equivalent setup on other distros, but for some reason I cannot get it to work on a Redhat AMI. The changes to my sshd_config ...
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1answer
449 views

Chroot to jail users into a directory [duplicate]

Possible Duplicate: How can I chroot ssh connections? I want to jail a particular user into a directory (so they can sftp and ssh) using chroot on Debian. How can I do this? The man page says ...
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1answer
605 views

adding ChrootDirectory to sshd_config to jail a user prevents the user to login

i've created an user on ubuntu 10.04 and wanted to jail the user by disabling ssh shell and allow sftp. when there is no ChrootDirectory in the sshd_config the user can login just that it can see ...
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1answer
1k views

Extend Jailkit with command [closed]

I am running ISPConfig 3 using Jailkit on my server and need to add mercurial to all existing and new jailkit account. From what I understand, it will only be applied for new users.. how can I add ...
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611 views

Ubuntu SFTP & Chrooting

I've been looking around for a few days now, playing around with configurations and following tutorials on this. I Have two groups: dev and sftp. Users within the dev group are also part of the www-...
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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
1k views

Share multiple directories to ftp users

I have multiple directories spread over the file systems of multiple Ubuntu 10.04 servers. The requirements are to allow a handful of people access a few of these directories over ftp. For example ...
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1answer
375 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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1answer
195 views

How can I setup a one-way scp?

I am trying to setup a remote host to act as a data sink, i.e. some kind of environment on the remote host, A, which allows users to scp data from their local machine to A but not from A to their ...
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1answer
315 views

Multiple chroots in ubuntu for PHP/MySQL hosting

We have a server, Core i7, 24GB RAM we run some of our own applications on. I want to offer some clients PHP/MySQL hosting on that server. Is it feaseable and possible to create a chroot for each ...
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1answer
788 views

OpenSSH, ChrootDirectory, WinSCP. How do I allow wget and tar?

I think my question is really: How do I follow the ChrootDirectory directions here to allow interactive shell? I have a virtual server at Linode running Ubuntu 10.04. I will be hosting a Drupal site ...
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1answer
770 views

How do I properly jail a user in Debian, giving them access to select applications?

After failing to use makejail, I followed a howto for setting up a jail using a script (this one is for Debian etch, but I'm using lenny -- seems to work ok though). However, it gives the user a very ...
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2answers
210 views

On Ubuntu, how to design a monitor to run a process when a file is written to a directory?

I want to run a process when a file is written to a directory on Ubuntu. I understand I can write a monitor to do this. (ie not an event based trigger but a 'monitor'). To implement this - other ...
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1answer
975 views

vsftpd restrict local users to home and group directories

i've got vsftpd install on an ubuntu server 9.10 i can use chroot to restrict users to their own home directories but i also want to give them access to a group shared folder for example, users foo1 ...
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1answer
610 views

Define arbitrary chroot on a per-user basis for VSFTP

I want to set up two FTP users for my server (Ubuntu 8.04): One that logs into /var/www so they can access and administer all the web site files One that is chroot'd to (say) /var/www/images so ...
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1answer
2k views

Chroot with CentOS 5.3 + openssh 4.3p2

OS: CentOS 5.3, with openssh 4.3p2 Trying to set 'chroot' in ssh shell, but openssh version prior to 4.8 doesn't take below settings. yum update openssh open up to version 4.3 which is quite old. ...
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0answers
17 views

FTP server secured by denying write permission to chrooted home directory (virtual users) [on hold]

I have a Pure-Ftpd server configured in a way that users have no write access to their ftp root directory. Instead user can write only to subdirectory created within its home dir (this subdir is ...
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0answers
50 views

Jailkit: cannot su to jailed user

As a part of a bigger setup (docker container with safe environment for running python scripts), I need to configure a jailed user. I have looked at different options and decided to try Jailkit. ...
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1answer
50 views

RHEL/CentOS 7 run named-chroot on systemctl named invocation?

How can I make systemd treat calls to systemctl xx named as calls to systemctl xx named-chroot? Under RHEL/CentOS 6 installing the bind-chroot package would set up a chroot'ed environment for BIND, ...
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1answer
194 views

Chrooting Apache 2.4 on Debian Jessie with mod_security

I have been advised to chroot my apache2 installation to better secure the sensitive content on the rest of the server. I have installed and setup mod_security properly and can see in the logs that it ...
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1answer
72 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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2answers
294 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
35 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 xxx/us/...
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1answer
93 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 ...