How do I open up firewall while keeping it safe?

Posted by d3vid on Ask Ubuntu See other posts from Ask Ubuntu or by d3vid
Published on 2011-03-03T12:48:52Z Indexed on 2011/03/03 15:33 UTC
Read the original article Hit count: 448

Since I've installed Firestarter I have encountered connectivity issues that are all resolved by disabling the firewall. I'd prefer to have the firewall running and allow all the traffic I normally use:

  1. Wired network + wireless network, whichever I'm connected to, or both (1)
  2. OpenVPN
  3. VirtualBox internal network
  4. Samba (for accessing shared Windows folders and sharing folders to Windows) (2)
  5. BitTorrent
  6. And everything else I use that I can't think of :)

All the above works without a firewall. I thought Linux was super secure (I update regularly). Do I really need it?

(1) I used the Firestarter wizard and selected wlan0 as my primary connection, now whenever I plug in a network cable, I lose all connectivity. Should I just redo the wizard for eth0, or will I then lose wlan0?

(2) If it makes a difference I'm sharing a directory that I share between local users using bindfs. See my answer to Good and easy way to share files on local machine

© Ask Ubuntu or respective owner

Related posts about virtualbox

Related posts about samba

  • Unable to connect to Samba printer

    as seen on Ask Ubuntu - Search for 'Ask Ubuntu'
    I have a headless Ubuntu 12.04 server for files and printers. It shares files via Samba just fine. However, the HP PSC-750xi connected to the server via USB is not accessible from my Ubuntu 12.04 laptop. I can browse for it in the Printing control panel, but any attempt to authenticate my ID to the… >>> More

  • Samba folder is gone

    as seen on Ask Ubuntu - Search for 'Ask Ubuntu'
    I seem to have some issues sharing folders from my Ubuntu 12.04 machine to a Win7 machine. After playing around with the settings, I decided to revert to Samba's original setting by reinstalling it: sudo apt-get purge samba sudo rm -rf /etc/samba/ /etc/default/samba sudo apt-get install samba just… >>> More

  • Samba on OS X 10.6.4

    as seen on Server Fault - Search for 'Server Fault'
    I just updated from 10.6.3 to 10.6.4, and now my Samba shares won't mount and won't allow access into the directories. In the logs, I've started to get the following errors, any idea what might have gone wrong? 2010/06/25 15:54:27, 0, pid=13848] /SourceCache/samba/samba-235.4/samba/source/passdb/secrets… >>> More

  • OpenLDAP and Samba, can't log onto Samba share from Windows

    as seen on Server Fault - Search for 'Server Fault'
    The former jackass IT-guy that I'm taking over for had a Samba share setup on a Fedora server that uses our OpenLDAP server to authenticate users who want to log in from Windows. We recently added a new employee and I jumped through the LDAP hoops to add them to the system. However, I can't seem… >>> More

  • Windows 7 Samba issue

    as seen on Server Fault - Search for 'Server Fault'
    We have a strange samba issue affecting only one user. Our samba setup is as follow : Red Hat Enterprise Linux Server release 5.4 (Tikanga) - Samba Server Samba version 3.0.33-3.14.el5 - Samba version Domain Controller WIN2008R2 Standard -… >>> More