Jails improve on the concept of the traditional chroot environment in several ways. In a traditional chroot environment, processes are only limited in the part of the file system they can access.

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System Security (PHP and others)

I have a few important documents that I keep owned by www-data (apache's user) in my /var/www/ folder. They have to be www-data because PHP will write to them at times. I also have users who access ...
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2answers
89 views

Crossplatform “jail” for an application

We currently have a variety of systems (Linux, Solarix, *BSD, HP-UX ...) on which we are not allowed to install anything into / (but I have root access. That's strange, I know). But we'd like to run ...
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1answer
508 views

What are the security implications of using allow.sysvipc in a FreeBSD jail

The man page for jail says that allow.sysvipc enables "System V primitives [to] share a single namespace across the host and jail environments..." thus "... processes within a jail would be able to ...
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1answer
681 views

Is it possible to run dhcpd3 as non-root user in a chroot jail?

I would like to run dhcpd3 from a chroot jail on Debian Lenny. At the moment, I can run it as root from my jail. Now I want to do this as non-root user (as "-u blah -t /path/to/jail" Bind option). ...
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1answer
157 views

ports in freebsd jail fetching but not updating

I've created a jail to host my webserver/blog, but when attempting to build any port, I consistently get the message "portsnap: Directory is not writable: /usr/ports". Attached is a screen capture ...
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1answer
138 views

FreeBSD jail and patch-levels

I am a newbie server manager and trying jails. It's too hard to configure it. So I decided to use ezjail utility. It seems working, but I got an issue. When I installed my FreeBSD box, it was ...
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1answer
96 views

Centos6.4: User home directory for sftp

Currently setting up a Centos6.4 box and are wanting to jail sftp users upon login. I've been following the notes here http://www.thisisnotsupported.com/sftp-chrootjail-on-centos6. But I have one ...
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1answer
1k views

FreeNAS/FreeBSD: How to access status of ZFS volume from jail?

I am trying to set up NRPE to enable remote Nagios monitoring of a new FreeNAS 0.91 system. I mostly have this working. I can connect and inquire about basic information like number of processes, ...
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1answer
285 views

How to configure jailed apache to be accessible on the network

I have jailed apache on freebsd on a private network with ip address 192.168.100.174, I have another apache server running on the host but it is configured to listen on its other IP addresses but ...
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1answer
233 views

how limit php script to access parent host directory

I've a debian linux server with apache2.2 & php5 installed. I've created many virtual hosts on my apache server, each virtual host has a separate root directory & php is enabled for all of ...
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1answer
84 views

Server Security: FTP and System Users

I'd be happy to get an advice about handling system users and ftp users on a Linux server (Ubuntu). Just want to do it right way. I have a sysUser.sysGroup and created virtual ftpUser.ftpGroup for ...
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1k views

SSH_ORIGINAL_COMMAND variable not getting set

I am working with two servers, both of which run FreeBSD 8.4-RELEASE-p1 and OpenSSH_6.1p1. Both servers' ssh_config files, located in /etc/ssh, are identical. Both servers are configured to allow ...
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0answers
214 views

Jail PHP to OpenBasedir or Document Root Debian

I have a VServer running with Debian Squeeze Debian Squeeze / Apache2 / FastCGI / MySQL / Froxlor. The administration of Customers, Domains and FTP Accounts are performed using Froxlor. Following ...
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0answers
67 views

Simplest & Easy Way To Jail Users

I Need Simplest & Easy Way To Jail Users in there home directories I am looking tools like " jailkit & MySecureShell " Or simple configuration to jailing users (with full help or some good ...
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0answers
680 views

SSH server in a FreeNAS jail is not accessible from the local network

I Have a FreeNAS (not sure which version - the one that uses FreeBSD 9.2) setup with a jail that I use for running various tasks. The jail has SSH service enabled in rc.conf, and I can also see the ...
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0answers
62 views

FreeBSD jail loses network connectivity after some time

I have a Jail on a FreeBSD 9.2 installation on my office network, which I use to run some cron jobs that upload and download stuff from external servers. The cron jobs are configured on the main ...
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284 views

Accessing public ip from within freebsd jail with ipf and ipnat

I'm using FreeBSD 9.3 (same issue with 9.2 and 10.0 in test VMs). I have jails running on lo1 10.0.0.x addresses. I use ipf with this config in /etc/ipf.rules: pass in quick on em0 all pass out quick ...
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248 views

FreeBSD Ezjail flavour script fails to execute

I'm having some trouble configuring jails on FreeBSD (10.0-RELEASE) with Ezjail (3.4.1). The flavour RC script does not seem to execute on first jail startup. The script is located in ...
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0answers
135 views

FreeBSD jail (ez-jail) “connect: Operation not permitted” ONLY for endpoints routable from a particular interface when jail is bound to a `bridge`

Edit I answered my original question: basically, binding the jail to a bridge interface was the problem. Now my question is, why is this the case? Is there a way to get it to work with a bridge ...