By default that is true. But many malicious programs communicate over
non-standard ports where a firewall could have blocked. Firewalls can block
incoming and outgoing communications. Personally, I combine my physical
firewall with Snort IDS, which will alert you about most malicious activity.
- [Trisquel-users] Re : Close ports wi... magicbanana
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- Re: [Trisquel-users] Close ports without UFW maccaches
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