FreeBSD13.2_en FreeBSD13.2 : FTP Server , Samba Fileserver
1. FTP Server(Vsftpd)1.1 advance preparation①Private Key Cre...
2023
FreeBSD13.2_en 
FreeBSD13.2_en FreeBSD13.2 : Initial setup (Vim , SSH , firewall, NTP server)
1. Vim InstallInstall Vim, which you are familiar with as an editor, as follows2. SSH Connection Security Measures2.1 SSH port changed, root user login disabled3. Firewall SettingsFreeBSD has the following firewalls・pf・ipfw・ipfIn this case, we will use ipfw to configure the firewall。4. NTP Server Settings4.1 Rewrite the referenced NTP server in /etc/ntp.conf. Add an appropriate server in Japan.
FreeBSD13.2_en FreeBSD13.2 : Initial setting (Update binaries, Packages and Ports Collection)
Initial setting (Update binaries, Packages and Ports Collection)After installing FreeBSD, we will start building the server, but it is difficult to work on the console screen, so we will change the SSH connection settings for now in order to operate the server from Windows using TeraTerm or other software.Enter the following command on the FreeBSD console screen# vi /etc/ssh/sshd_configLine 61.#PasswordAuthentication no → PasswordAuthentication yes Make the changes and reflect the settings with the following command# service sshd restartNow you can connect via SSH from TeraTerm on Windows (see the default settings for other operating systems for settings in TeraTerm).
FreeBSD14_en FreeBSD14 : Postfix ClamAV + Amavis + SpamassAssin
Install ClamAV on FreeBSD 14 and link it with Amavis against Postfix.ClamAV is anti-virus software.We will proceed on the assumption that you have already implemented Postfix.Before proceeding, update the Ports Collection.1. ClamAV1.1 Install# cd /usr/ports/security/clamav# make install cleanEach option is installed by default for nowclamav version check
FreeBSD14_en FreeBSD14 : Mail Server(Postfix,Dovecot) , SSL/TLS
1. Obtaining a certificate for the mail serverObtain a certificate for the mail server to convert the mail server to SSL/TLS.Use the certbot that was used when the web server was converted to SSL.Stop the web server and execute the following command
FreeBSD14_en FreeBSD14 : WEB Server(Apache2) , MySQL8
1. Apache21.1 Install# cd /usr/ports/www/apache24# make configThere are many options, but we will proceed wit1. Apache21.1 Install# cd /usr/ports/www/apache24# make configThere are many options, but we will proceed wit
FreeBSD14_en FreeBSD14 : FTP Server , Samba Fileserver
1. FTP Server(Vsftpd)1.1 advance preparation①Private Key Creation# cd /etc/ssl# openssl genrsa -des3 -out server.key 2048Generating RSA private key, 2048 bit long modulus (2 primes).........................................................................................................................................+++++.................................................+++++e is 65537 (0x010001)Enter pass phrase for server.key:Verifying - Enter pass phrase for server.key:Enter PEM pass phrase:Verifying - Enter PEM pass phrase:
FreeBSD14_en FreeBSD14 : Initial setup (Vim , SSH , firewall, NTP server)
1. Vim InstallInstall Vim, which you are familiar with as an editor, as follows# pkg install -y vimEdit the ".shrc" to make Vim available as the standard editor, and log in again to reflect the change.FreeBSD14 has sh as default shell.You can check the current SHELL with the following command
FreeBSD14_en FreeBSD14.0 : OS INSTALL
FreeBSDFreeBSD is UNIX-like open source OS software. In particular, its performance as a network operating system exceeds that of Linux-based systems, and it maintains stable performance even under high loads.FreeBSD is designed to be robust and sturdy with an emphasis on practicality, making it suitable for operating FTP, WWW, and e-mail servers for major companies and services.In this project, we will install FreeBSD 14.0, released on Nov 14, 2023, and build the server.FeaturesHigh-speed, high-performance multi-platform capable of withstanding high workloadsAdopted by many major companiesNetwork security measures can be applied by restricting accessCapable of operating small to large serversMore than 33,000 dedicated software applications from commercial to personal use
OracleLinux9.2-en OracleLinux9.2 : System Backup and Restore
1.Website data backup1-1.Backup under /var/www/html①Create backup script file2.MySQL database backup①Create backup script file# cd /var/www/system# vi db_my_backup.sh3.Restore backup files under html① Store HTML backup files in "/ (root)" directory# cd /var/www/backup/html_bak# cp html_back_20220610.tar.gz / ←Specify the backup file with the latest date4.Restore Mysql backup file①Save the database backup file to any directory and（In the example, the directory is "/var/www/backup/db_bak".）Extracting data# cd /var/www/backup/db_bak
OracleLinux9.2-en OracleLinux9.2 : Tripwire , Chkrootkit , Logwatch , Disk Usage Check Script
Tripwire1.Download and installation# cd /usr/local/src# wget https://rpmfind.net/linux/epel/9/Everything/x86_64/Packages/t/tripwire-2.4.3.7-13.el9.x86_64.rpm# rpm -Uvh tripwire-2.4.3.7-13.el9.x86_64.rpmChkrootkit①Download and install chkrootkit# cd /usr/local/src# wget https://launchpad.net/chkrootkit/main/0.55/+download/chkrootkit-0.55.tar.gz# tar xvf chkrootkit-0.55.tar.gzLogwatch①Install# dnf install logwatchIntroduce disk usage check script1. Script Creation# cd /var/www/system# vi disk_capacity_check.sh
OracleLinux9.2-en OracleLinux9.2 : Suricata , SNORT Install
SuricataSURICATA IDS/IPS is an open source IDS that monitors communications on the network and detects suspicious traffic.The basic mechanism is signature-based, so it can detect predefined unauthorized communications. Suricata is also characterized by its ability to provide protection as well as detection.1.advance preparation①Activate the EPEL RepositorySNORTSnort is an open source network intrusion detection system that can perform real-time traffic analysis and packet logging on IP networks.It can perform "protocol analysis," "content search," and "matching" and can be used to detect a variety of attacks such as buffer overflows, stealth port scans, CGI attacks, SMB probes, OS fingerprinting attempts, semantic URL attacks, and server message block probes. detection.
OracleLinux9.2-en OracleLinux9.2 : SSL Certificate Acquisition( Let's Encrypt ) , WEB/Mail server SSL
1.SSL Certificate Acquisition ( Let's Encrypt )Install the latest open ssl# dnf install openssl-devel1.1 advance preparation1.Package management system Snappy installationSince the SSL certificate issuing tool "certbot" of Let's Encrypt is recommended to be installed using "snap" after 2021, install Snapd first.(Can also be installed the traditional way with dnf or yum)2. Converting Apache to httpsInstall the following# dnf -y install mod_ssl3. SSL/TLS (Let's Encrypt) settings on the mail server3.1 Obtaining a certificate for the mail serverObtain a certificate for the mail server, but it cannot be obtained in the same way as above, so the following with the "--standalone" option fails.
OracleLinux9.2-en OracleLinux9.2 : Clamav(anti-virus) , Mail Server
Clamav(anti-virus)1.Clam AntiVirus install# dnf -y install clamav clamd clamav-updateMail Server Installation1. Postfix1.1 InstallInstall Postfix and build an SMTP serverMail server : Postfix + Clamav + Amavisd+SpamAssassin1.Real-time scanning of e-mails①Install Amavisd and Clamav Server
OracleLinux9.2-en OracleLinux9.2 : WEB Server (Apache)
1.Apache2 installation and virtual host configuration1.1 Apache2①httpd install# dnf -y install httpd1.3 Virtual Host SettingsAssign and configure the domain name [oracle.korodes.com] to the document root [/var/www/html/oracle.korodes.com] directory for virtual host operation# vi /etc/httpd/conf.d/vhost.conf2. Confirmation of CGI Script Usage①Confirmation of CGI availability3. PHP installation and configuration1.PHP install①Install
