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# List of Applications/Security (简体中文)

From ArchWiki

## Security

- iptables - A powerful firewall built into the linux kernel that is part of the netfilter project
- arpwatch - arpwatch and arpsnmp network monitoring tools ftp://ftp.ee.lbl.gov/
- DenyHosts - a script to help thwart ssh server attacks http://denyhosts.sourceforge.net/
- fail2ban - bans IP that makes too many password failures http://www.fail2ban.org/
- Sshguard - Same as DenyHosts and fail2ban, only lighter, simpler and written in plain C http://www.sshguard.net/
- etherape - A graphical network monitor for various OSI layers and protocols http://etherape.sourceforge.net/
- iptraf - An IP network monitor http://iptraf.seul.org/
- logwatch - Logwatch is a customizable log analysis system http://www.logwatch.org/
- nessus - Vulnerability scanner http://www.nessus.org
- nmap - A command line network exploration tool and security/port scanner http://nmap.org
- ntop - A network traffic probe based on libcap http://ntop.org
- portbunny - Extremly fast CLI portscanner http://www.recurity-labs.com/portbunny/index.shtml
- snort - A lightweight network intrusion detection system http://www.snort.org
- AIDE - A file and directory integrity checker http://aide.sourceforge.net/
- swatch - The active log file monitoring tool http://swatch.sourceforge.net/
- tcpdump - A tool for network monitoring and data acquisition http://www.tcpdump.org
- vnstat - console-based network traffic monitor that keeps a log of network traffic http://humdi.net/vnstat/
- wireshark - A free network protocol analyzer for Unix/Linux and Windows http://www.wireshark.org/

### Backup programs

See the main article: Backup Programs#Backup software
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