List of Linux security tools

Article Title: List of Linux security tools. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source.
Sxid
Check the suid, sgid, and files without the master in the system.
　　
Skey
One-time password Tool
　　
Logrotate
Log loop Tool
　　
Logcheck
Log Management Tools
　　
Swatch
Log management tools, more real-time than logcheck
　　
Ssh (openssh)
Secure Connection Authentication
　　
Openssl
Encrypted data transmission and authentication
　　
Portsentry
Anti-scan tool to monitor udp and tcp ports
　　
Tripwire
Provides system integrity check
　　
Gnupg
Encrypt a single file and create a digital signature
　　
Hostsentry
Host-Based Intrusion Detection, logs connections
　　
Ipchains
Package filtering Firewall provided by Linux release
　　
CFS and TCFS
The password file system and the transparent password file system implement encryption of 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
Replacing the syslog Log File System
　　
Scandns
Tools for dns check and tracking
　　
Whisker
Cgi Scanner
　　
Snoopy
Trace execve system call records to execute commands
　　
Linux kernel patch
Kernel security patch to prevent Buffer Overflow
　　
Krnsniff
A kernel-based listener Module
　　
Iptable
Used to replace the ipchains packet 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 AttacK Defense
　　
Antiroute
Block and Record Route-based Tracing