A Brief Introduction to the list of Linux security tools

It's okay to tell you about Linux system security tools. Someone should want to know about Linux system security and so on. If you are not interested in this, you can skip this step.
◆ Sxid: Check
◆ Suid, sgid: And files without a master
◆ Skey: one-time password Tool
◆ Logrotate: log loop Tool
◆ Logcheck: log management tool
◆ Swatch: log management tool, which is more real-time than logcheck
◆ Ssh (openssh): provides secure connection authentication.
◆ Openssl: provides encrypted data transmission and authentication.
◆ Portsentry: an anti-scan tool that monitors udp and tcp ports.
◆ Tripwire: Provides system integrity check
◆ Gnupg: encrypts a single file and creates a digital signature.
◆ Hostsentry: used for Host Intrusion Detection to log connections
◆ Ipchains: the package filtering firewall that comes with the Linux release
◆ CFS and TCFS: the password file system and transparent Password File System encrypt all files in the directory, based on NFS
◆ Anti-sniff: Anti-sniffing tool to check whether there is a sniffer in the Network
◆ Freeswan: VPN tool in linux
◆ Syslog-ng: a log file system that replaces syslog
◆ Scandns: a dns check and Tracing Tool
◆ Whisker: Cgi Scanner
◆ Snoopy: The Command executed by tracing the execve system call records
◆ Linux kernel patch: kernel security patch to prevent Buffer Overflow.
◆ Krnsniff: A kernel-based Listening Module
◆ Iptable: used to replace the ipchains package filtering Firewall
◆ Imsafe: detects buffer overflow and other problems by tracking system calls.
◆ Iplog: logs of incoming and outgoing packets
◆ Solaris designer: kernel patch to prevent Buffer Overflow.
◆ Stackguard: patch gcc to prevent Buffer Overflow
◆ DTK Honey: port flood defense
◆ Antiroute: blocks and records route-based tracing.

We hope that the list of Linux security tools will be helpful to you.

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