POLL RESULTS: Do you use a firewall on dedicated Linux / BSD box?

In last months reader poll I asked about Firewall on dedicated UNIX / Linux box.

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Poll Result: Do you use a firewall on dedicated Linux / BSD box?

Do we really need a firewall?

Personally, I install firewall on all boxes to filter out unwanted junk and IPs; even if box is only running public service such as a web server. The overall idea is to limit access and reduce liability on my part if serer got rooted (read as compromised). Remember, bad boys never play by the rules.

🐧 Get the latest tutorials on SysAdmin, Linux/Unix, Open Source & DevOps topics via:
CategoryList of Unix and Linux commands
File Managementcat
FirewallAlpine Awall CentOS 8 OpenSUSE RHEL 8 Ubuntu 16.04 Ubuntu 18.04 Ubuntu 20.04
Network Utilitiesdig host ip nmap
OpenVPNCentOS 7 CentOS 8 Debian 10 Debian 8/9 Ubuntu 18.04 Ubuntu 20.04
Package Managerapk apt
Processes Managementbg chroot cron disown fg jobs killall kill pidof pstree pwdx time
Searchinggrep whereis which
User Informationgroups id lastcomm last lid/libuser-lid logname members users whoami who w
WireGuard VPNCentOS 8 Debian 10 Firewall Ubuntu 20.04

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1 comment… add one
  • Deven Patakar Sep 21, 2008 @ 13:08

    My question is , should we use simple iptables scripts to protect linux servers or should use full fledged linux firewalls (shorewall, ipcop etc). Please suject on it

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