Firewall problems on my ubuntu gw


 
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Old 01-04-2012
Firewall problems on my ubuntu gw

Hi,

I make an ubuntu based gateway with dns, dhcp, proxy and a firewall.
The problem is with the firewall, a classroom is connected to gw.eth1 with private ip
17.18.43.XX and gw.eth0 with public ip 134.201.34.XX is connected to internet trought 134.201.3.1 and others server like LDAP on 134.201.34.55 ect...


classroom.private172.18.43.101-143--------172.18.43.100[eth0] GW |dhcp|dns|ntp|proxy|firewall [eth1]134.201.34.55-----{LDAP/SMB}--{Cups}----{134.201.3.1GW}...(INTERNET)

My GW is on ubuntu server 11.04
I use firehol as firewall but LDAP can't connect to classroom trought GW and viceversa.

I'm new to linux and i don't find how i configure firehol, access to dns is needed by LDAP and others servers, classroom need LDAP,DNS,SMB,DHCP,TFTP for PXE,SSH, internet trought proxy.

thanks.



thanks
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fwb_pix(1)							 Firewall Builder							fwb_pix(1)

NAME
fwb_ipt - Policy compiler for Cisco PIX SYNOPSIS
fwb_pix -fdata_file.xml [-V] [-dwdir] [-i] [-v] [-xc] [-xt] object_name DESCRIPTION
fwb_pix is firewall policy compiler component of Firewall Builder (see fwbuilder(1)). Compiler reads objects definitions and firewall description from the data file specified with "-f" option and generates resultant Cisco PIX configuration file. The configuration is writ- ten to the file with the name the same as the name of the firewall object, plus extension ".fw". The data file and the name of the firewall objects must be specified on the command line. Other command line parameters are optional. OPTIONS
-f FILE Specify the name of the data file to be processed. -d wdir Specify working directory. Compiler creates file with PIX configuration in this directory. If this parameter is missing, then PIX configuration will be placed in the current working directory. -v Be verbose: compiler prints diagnostic messages when it works. -V Print version number and quit. -i When this option is present, the last argument on the command line is supposed to be firewall object ID rather than its name -xc When output file name is determined automatically (i.e. flags -o or -O are not present), the file name is composed of the cluster name and member firewall name rather than just member firewall name. This is used mostly for testing when the same member firewall object can be a part of different clusters with different configurations. -xt This flag makes compiler treat all fatal errors as warnings and continue processing rules. Generated configuration script most likely will be incorrect but will include error message as a comment; this flag is used for testing and debugging. URL
Firewall Builder home page is located at the following URL: http://www.fwbuilder.org/ BUGS
Please report bugs using bug tracking system on SourceForge: http://sourceforge.net/tracker/?group_id=5314&atid=105314 SEE ALSO
fwbuilder(1), fwb_ipf(1), fwb_ipt(1) fwb_pf(1) FWB
fwb_pix(1)