similar to: Secure shared web hosting using MAC Framework

Hello, I'm wondering about closing some information leaks in FreeBSD jails from the "outside world". Not that critical (depends on the application), but a simple user, with restricted devfs in the jail (devfsrules_jail for example from /etc/defaults/devfs.rules) can figure out the following: - network interfaces related data, via ifconfig, which contains everything, but the

Hi There, I've been having an issue trying to figure out a way to policy route outbound packets from a multihomed machine through the proper interface using IPFW to no avail. I've tried several different incantations of IPFW fwd/forward statements, and none of them seem to do the trick. Basically, I have a host that has multiple Internet connections. This host is running FreeBSD 4.9

Hi security@ list, In my self written, large ipfw rule set, I had something that passed http to allow me to browse most but not all remote sites. For years I assumed the few sites I had difficulty with were cases pppoed MTU != 1500, from not having installed tcpmssd on my 4.*-RELEASE, but then running 6.1-RELEASE I realised that wasn't the problem. http://www.web.de Still failed, &

Hi ! First of all, I am sorry if this is not the list for that, but I've been learning (a little bit...) a way to implement a freeBSD firewall. So far I came up with a set of rules I would like to show you for commenting. I am sure there're a lot of errors and/or stupid rules (I am not sure the rules order is good for what I need) and I would be really pleased if one could have a look

Hello, I have configured jail for users with sshd ftpd and auth. I started this jail on IP 127.0.0.10(there is an alias on lo0 interface), there was not any bigger problem to start it. But i have a problem with internet in this jail. I can log in to this jail through ssh or ftpd but i can't connect to the internet. I try to set up some kind of nat but it doesn't work. Can anybody help me

This message was sent to bugtraq today: While playing around with FreeBSD 5.4 and jailing I discovered that it was possible to put an ethernet interface into promiscious mode from within the jailed environment, allowing a packetsniffer to gather data not meant for the jailed box. This also affects FreeBSD 5.3 (tested) but not FreeBSD 4.x This can be reproduced on boxes where BPF support is

Hi all, Is it mandatory to add device mem to jails to enable network via the gateway? Left ezjail with FreeBSD-6.3 (and a hardware replacement of my server) and am now starting again with FreeBSD-7.1. Early this week, I upgraded from 7.0 to 7.1 (not having 'used' jails on 7.0). After creating the jail with `ezjail-admin update -i` I created a 'ports build' jail `ezjail-admin

Hello BSDers, I'm running Apache in a chroot jail with suPHP. It needs an /etc/ passwd in the chroot so that suPHP can setuid to the owner of the PHP script, but there's nothing that requires the passwords to be valid. Does anyone have a script strips passwords out of master.passwd, sets all shells to nologin, etc and writes it to the chroot etc dir? I've looked around but

Hi, i've set the outside ip for the jail..It works.. When i try to ssh to jail'ed system from the main system (in which is created jail) the connection is successful, but when i try to connect to jailed system from anywhere else i get this message: ssh: connect to host IP_NUMBER port 22: Operation timed out What can be wrong here? How to solve this problem?

Hi there, Is there some way to configure ipfw to do traffic normalizing ("scrubbing", as in ipf for OpenBSD)? Is there any tool to do it for FreeBSD firewalling? I've heard that ipf was ported on current, anything else? TIA, /Dorin. __________________________________ Do you Yahoo!? Yahoo! Mail SpamGuard - Read only the mail you want. http://antispam.yahoo.com/tools

> I recently did something like this. I have a webserver in a jail that > needs to talk to a database, and the webserver is the only thing that > should talk to the databse. > My solution was to use 2 jails: one for the webserver, and another for the > database. > Jail 1: > * runs webserver > * binds to real interface with real, routable IP > Jail 2: > *

Hi, IP traffic from one jail to another jail, arrives on destination jail on lo0 having the destination jails IP as source IP. Why not the source jail's IP address? How can I filter traffic from one jail to another, using ipfw of ipf? Cheers, -- Anders.

Hi peeps, After compiling ipfw into the new 6.2 kernel, and typing "ipfw list", all I get is: "65535 deny ip from any to any" From reading the docs, this might indicate that this is the default rule. (I am certainly protected this way--but can't be very productive ;^) ) By the way, when I run "man ipfw" I get nothing. Using this instead:

Dear W.D. Do you understand that by adding the rules into kernel space numbered from zero to sixty five thousand five hundred thirty four you may alter the behavior of the rule number sixty five thousand five hundred thirty five can you please define and list the goals you are trying to achieve by altering default rule in the terms you can both explain and understand. ----- Original Message

I'm setting up a server where I plan to use Jails to improve security I also have installed and am configuring ipfilter. Here are my questions: Because I'm using Jails, I will have to have multiple ip aliases on the network interface. I will use ipfilter to specify what can go to each of the addresses. (e.g., allow only incoming to port 80 on the jail running apache). Another

Sorry for the newbee setup questions, but... Should PHP be already setup with apache on the centos server install?? It's just that I can't get PHP working at all. It's 100% me, I just don't have enough experience. There is already a PHP.ini file, if I add any php modules in apache conf and run httpd -S is says it's already running a php module. I am using vhosts. I did

Hi. We just opened a gaming center and have chosen to run a FreeBsd box for our firewall. IPFW is configured at it's very basic running natd through rl0 and allowing any to any connections from the lan to the outer world. Natd controls access to the lan. We have a 6.0 mb/s ADSL net connection for all the gaming clients to use, however if a gamer starts downloading a file, that file

I am trying to limit outgoing SMTP traffic to about 14 Mbps and these are the IPFW rules I am using. ${fwcmd} add pipe 1 tcp from 192.168.0.0/24 to any 25 out via dc0 ${fwcmd} pipe 1 config bw 14Mbit/s I've tried multiple tweaks to the pipe rule and I seem to be missing something. I only get about half the bandwidth I specify. Is this normal behavior? Is there something wrong

The man page gives this example, however, when I attempt to use it, it seems to block the whole set? Could someone tell me what's going wrong here please. Thanks heaps.. This works, ${fwcmd} add deny log all from any to 203.1.96.1 in via ${oif} This blocks the whole IP block, not just the list? ${fwcmd} add deny log all from any to 203.1.96.0/24{2,6-25,27-154,156-19

Hi, I have a new CentOS sever install. I've also installed suPHP to replicate a live server. When I upload file via FTP the permissions seem OK, however the directories copied are not writable?? Any ideas? I have tried chmod 777 and that's not working either. Could is be a suPHP issue? I have 'suPHP_UserGroup GROUP USER' setup in my virtual directory and the user is also in the