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A common question asked by those new (and not so new) to Linux is what Firewall/anti-virus/anti-spyware is needed.

  1. a Firewall is essential with any networked computer
    • most Linux install and enable an SPI firewall by default
      • if "lsmod" includes "IPTables" in its listing then a firewall is enabled
    • an SPI firewall in a router is also advisable
      • NB - many routers default this to "DISABLED" - be certain to enable it.
    • having both firewalls enabled simultaneously is unlikely to cause problems
  2. anti-virus is completely unnecessary with Linux
    • don't be ripped-off for it
    • ClamAV is a free anti-virus scanner app for Linux
      • scans foreign storage media and email attachments for Windows viruses
  3. anti-spyware in Linux relies on an informed user

The TENS live-SD can be used for occasional additional security. See Interesting_Programs

--Rod (talk) 14:57, 3 October 2016 (AEDT) --