Ubuntu Sverige

So, do I need a firewall, anti-virus, anti-spyware tools?
By default, Ubuntu ships with no open ports on public interfaces. In other words, a "port scan" would show all closed ports, nothing open. As a result, putting up a firewall would provide no more security than not putting one up. Remember that open ports provide services that hackers can connect to, and only if they can connect to these services can they be potentially abused and exploited.

A firewall, however, adds the benefit of peace-of-mind from accidentally installing a server program that opens up a port by default. Also, it satisfies curiousity by logging potential "hits." Linux comes with a very strong, secure, and powerful firewall called iptables, but it is relatively difficult to use from a new user's standpoint. As a result, there are many graphical tools that give you a simple user interface for configuring iptables, such as Firestarter for GNOME or Guarddog for KDE. There are many more in the repository, too. Remember—these all use iptables in the background, so find your favorite interface—they all offer the same great protection. [These last two paragraphs contributed by jdong from the Ubuntu Forums. Thanks, jdong!]

Don't be dumb. That's right. You can have your firewall all set up and encryption, etc., but if you're dumb, the battle is lost. A lot of security breaches come through social engineering. Don't give your password away. Don't click on links in emails. Don't open attachments from people you don't know. Don't be dumb.

pun skrev:Jo det här med brandväggar o Linux....

Brandväggen är inbyggd via något som heter iptables, allting är i en klient satt som
varken öppet eller stängt.

Så länge man inte då installerar tjänster som behöver portar så behövs inte några inställningar.

Firestarter är då ett GUI mot iptables.

Aysia som gör ett jättejobb hos U-F har skrivit en lysande säkerhetsmanual för Ubuntu

http://www.psychocats.net/ubuntu/security

So, do I need a firewall, anti-virus, anti-spyware tools?
By default, Ubuntu ships with no open ports on public interfaces. In other words, a "port scan" would show all closed ports, nothing open. As a result, putting up a firewall would provide no more security than not putting one up. Remember that open ports provide services that hackers can connect to, and only if they can connect to these services can they be potentially abused and exploited.

A firewall, however, adds the benefit of peace-of-mind from accidentally installing a server program that opens up a port by default. Also, it satisfies curiousity by logging potential "hits." Linux comes with a very strong, secure, and powerful firewall called iptables, but it is relatively difficult to use from a new user's standpoint. As a result, there are many graphical tools that give you a simple user interface for configuring iptables, such as Firestarter for GNOME or Guarddog for KDE. There are many more in the repository, too. Remember—these all use iptables in the background, so find your favorite interface—they all offer the same great protection. [These last two paragraphs contributed by jdong from the Ubuntu Forums. Thanks, jdong!]

Så det finns fördelar att man har Firestarter om man installerar och inte riktigt har koll på vad plus
att man får loggning.

Sen finns det massvis med råd i manualen

Rakt på sak

Don't be dumb. That's right. You can have your firewall all set up and encryption, etc., but if you're dumb, the battle is lost. A lot of security breaches come through social engineering. Don't give your password away. Don't click on links in emails. Don't open attachments from people you don't know. Don't be dumb.

Samt sudo !!! Kör aldrig som root annat än när det behvövs !

maths57 skrev:Kolla också här
http://ubuntu-se.org/wiki/Guider/Sakerhet
http://ubuntu-se.org/phpBB3/viewtopic.php?f=17&t=23646

Edit: Flyttar tråden till Nätverk/Säkerhet/Server