open wifi and linux

[Hodevah]

Hi. I would like to ask a question regarding the security of Linux, open wi-fi, and the use (or not) of firewall programs such as UFW. I use open wi-fi quite a lot during the time I use my laptop. I understand that LInux's file system, be they EXT3 OR 4 or the newer Journal file system are more or less not offended by Windows OS targeted viri, malwares, and the like.

However, in consideration of that, when using open wi-fi hotspots either at the library or coffee shop, does a Linux distro require, or perhaps more correctly placed, a firewall program to protect against intrusion while on that open wi-fi even though I don't use Windows OS?

The way it stands now, I don't use a anti virus. One of the benefits of having to use Linux is that we Linux users are not susceptible to Windows viri or malware. I also don't use a firewall; however, in lieu of my question, this firewall topic is one thing that I would like to have answered.

Thanks so much for all your answers.

[grahammechanical]

placed, a firewall program to protect against intrusion while on that open wi-fi

Not for that specific area of risk. But for common risks associated with connecting to the Internet which will include risks from connecting to someone else's wireless router.

https://help.ubuntu.com/community/UFW

https://wiki.ubuntu.com/BasicSecurity

https://help.ubuntu.com/community/DoINeedAFirewall

You need to realize that Ubuntu's firewall is not enabled by default. You have to enable it.

Regards.

[Hodevah]

thanks so much for your answer. it does clear things up a bit. most especially with the links.